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(ToolS) 3377 1530 w
12 /Times-Bold f
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(Plan 9 from) 2410 1830 w
(Bell) 3047 1830 w
(Labs) 3278 1830 w
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(ABSTRACT) 2643 2510 w
10 /Times-Roman f
(The) 1330 2770 w
(Advanced) 1518 2770 w
(Namespace) 1955 2770 w
(ToolS) 2447 2770 w
(are) 2725 2770 w
(a) 2879 2770 w
(collection) 2957 2770 w
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(Plan) 3502 2770 w
(9) 3714 2770 w
(software) 3798 2770 w
(designed) 4175 2770 w
(for) 4564 2770 w
(the following goals:) 1080 2890 w
(1.) 1080 3130 w
(Reliability,) 1198 3130 w
(Resiliency,) 1689 3130 w
(Recoverability) 2179 3130 w
(\255) 2810 3130 w
(make) 2886 3130 w
(grids) 3145 3130 w
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(Plan) 3516 3130 w
(9) 3738 3130 w
(machines) 3832 3130 w
(tolerant) 4253 3130 w
(to) 4602 3130 w
(hardware and software failures.) 1080 3250 w
(2.) 1080 3490 w
(Flexibility) 1186 3490 w
(and) 1635 3490 w
(Configurability) 1810 3490 w
(\255) 2458 3490 w
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(it) 2769 3490 w
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(change) 3173 3490 w
(what) 3486 3490 w
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(new) 1862 3610 w
(systems,) 2057 3610 w
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(disrupting) 3564 3610 w
(the) 3998 3610 w
(user) 4148 3610 w
(environ\255) 4342 3610 w
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(one) 2366 3970 w
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(a) 3743 4090 w
(traditional) 3822 4090 w
(unix) 4268 4090 w
(user\255) 4481 4090 w
(land,) 1080 4210 w
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(all) 1473 4210 w
(software) 1599 4210 w
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(this) 3251 4210 w
(namespace.) 3423 4210 w
(This) 3912 4210 w
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(convention,) 4211 4210 w
(not) 1080 4330 w
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(namespaces) 1343 4450 w
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(this) 3883 4450 w
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(running) 4159 4450 w
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(9front) 1080 4570 w
(userland) 1359 4570 w
(and) 1732 4570 w
(standard) 1911 4570 w
(Bell) 2284 4570 w
(Labs) 2485 4570 w
(userland) 2713 4570 w
(on) 3085 4570 w
(the) 3219 4570 w
(same) 3375 4570 w
(box) 3614 4570 w
(at) 3798 4570 w
(the) 3904 4570 w
(same) 4060 4570 w
(time,) 4299 4570 w
(one) 4536 4570 w
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10 /Courier f
(cpu) 1612 4690 w
10 /Times-Roman f
(and one via the terminal's physical display and i/o.) 1817 4690 w
(4.) 1080 4930 w
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(namespaces) 1514 4930 w
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(multiple) 2458 4930 w
(machines) 2823 4930 w
(\255) 3231 4930 w
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(the) 3980 4930 w
(previous) 4133 4930 w
(goal) 4508 4930 w
(is) 1080 5050 w
(the) 1182 5050 w
(ability) 1339 5050 w
(to) 1630 5050 w
(easily) 1743 5050 w
(create) 2011 5050 w
(an) 2283 5050 w
(environment) 2411 5050 w
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(diverse) 3396 5050 w
(and) 3718 5050 w
(distinct) 3896 5050 w
(services) 4225 5050 w
(on) 4580 5050 w
(different) 1080 5170 w
(machines.) 1462 5170 w
(This) 1903 5170 w
(is) 2120 5170 w
(part) 2226 5170 w
(of) 2420 5170 w
(standard) 2542 5170 w
(Plan) 2919 5170 w
(9) 3136 5170 w
(concepts) 3225 5170 w
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(the) 3782 5170 w
(existing) 3944 5170 w
(tools) 4301 5170 w
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(scripts) 1080 5290 w
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(provide) 1654 5290 w
(many) 2010 5290 w
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(en) 2934 5290 w
(masse) 3079 5290 w
(namespace) 3374 5290 w
(operations) 3862 5290 w
(to) 4329 5290 w
(apply) 4458 5290 w
(numerous mounts and binds to a group of processes quickly.) 1080 5410 w
(5.) 1080 5650 w
(Data) 1189 5650 w
(sharing) 1411 5650 w
(and) 1739 5650 w
(persistence) 1917 5650 w
(\255) 2394 5650 w
(Multiple) 2461 5650 w
(machines) 2840 5650 w
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(able) 3680 5650 w
(to) 3881 5650 w
(work) 3994 5650 w
(easily) 4234 5650 w
(with) 4502 5650 w
(the) 1080 5770 w
(same) 1239 5770 w
(data,) 1481 5770 w
(even) 1709 5770 w
(dynamic,) 1934 5770 w
(flowing) 2340 5770 w
(data.) 2687 5770 w
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(able) 3189 5770 w
(to) 3391 5770 w
(study) 3505 5770 w
(and) 3758 5770 w
(replicate) 3938 5770 w
(past) 4317 5770 w
(data) 4514 5770 w
(flows is useful.) 1080 5890 w
(6.) 1080 6130 w
(Adminstration) 1189 6130 w
(\255) 1801 6130 w
(It) 1868 6130 w
(should) 1963 6130 w
(be) 2264 6130 w
(easy) 2392 6130 w
(for) 2603 6130 w
(the) 2753 6130 w
(user) 2909 6130 w
(to) 3110 6130 w
(administer) 3223 6130 w
(all) 3680 6130 w
(the) 3815 6130 w
(machines) 3972 6130 w
(used) 4384 6130 w
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(create) 1080 6250 w
(the) 1346 6250 w
(workspace.) 1497 6250 w
(Administration) 1976 6250 w
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(the) 3903 6250 w
(main) 4053 6250 w
(user) 4281 6250 w
(envi\255) 4475 6250 w
(ronment, but constantly and easily accessible.) 1080 6370 w
(7.) 1080 6610 w
(Automatic) 1181 6610 w
(backup/replication) 1629 6610 w
(and) 2398 6610 w
(recovery.) 2568 6610 w
(Redundant) 2967 6610 w
(usable) 3426 6610 w
(copies) 3707 6610 w
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10 /Times-Roman f
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(is) 1355 996 w
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(present) 1558 996 w
(to) 1875 996 w
(the) 1982 996 w
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(computing) 2404 996 w
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(some) 2843 1476 w
(limits.) 3088 1476 w
(A) 3376 1476 w
(running) 3482 1476 w
(application) 3827 1476 w
(on) 4305 1476 w
(a) 4439 1476 w
(machine) 4517 1476 w
(that) 4890 1476 w
(dies) 720 1596 w
(will) 916 1596 w
(probably) 1107 1596 w
(result) 1496 1596 w
(in) 1752 1596 w
(the) 1864 1596 w
(loss) 2020 1596 w
(of) 2210 1596 w
(some) 2327 1596 w
(state) 2572 1596 w
(and) 2789 1596 w
(perhaps) 2967 1596 w
(some) 3311 1596 w
(unsaved) 3556 1596 w
(data,) 3917 1596 w
(but) 4142 1596 w
(this) 4304 1596 w
(should) 4483 1596 w
(not) 4784 1596 w
(be) 4946 1596 w
(more than a minor annoyance in the overall computing environment.) 720 1716 w
(In) 970 1872 w
(standard) 1081 1872 w
(Plan) 1447 1872 w
(9,) 1654 1872 w
(a) 1758 1872 w
(grid) 1831 1872 w
(of) 2021 1872 w
(systems) 2133 1872 w
(will) 2479 1872 w
(wish) 2664 1872 w
(to) 2882 1872 w
(make) 2989 1872 w
(use) 3234 1872 w
(of) 3396 1872 w
(common) 3508 1872 w
(fileservers) 3887 1872 w
(over) 4331 1872 w
(the) 4537 1872 w
(network.) 4688 1872 w
(TCP booted cpu servers are an excellent mechanism for a unified grid of machines, but achieving this maxi\255) 720 1992 w
(mizes) 720 2112 w
(their) 988 2112 w
(reliance) 1206 2112 w
(on) 1556 2112 w
(the) 1691 2112 w
(network) 1848 2112 w
(resources) 2210 2112 w
(and) 2621 2112 w
(the) 2800 2112 w
(annoyance) 2958 2112 w
(of) 3420 2112 w
(multimachine) 3539 2112 w
(failures) 4125 2112 w
(resulting) 4460 2112 w
(from) 4846 2112 w
(problems) 720 2232 w
(on) 1125 2232 w
(one) 1258 2232 w
(node) 1435 2232 w
(of) 1662 2232 w
(the) 1778 2232 w
(grid.) 1933 2232 w
(Consider) 2151 2232 w
(the) 2544 2232 w
(case) 2698 2232 w
(where) 2901 2232 w
(a) 3176 2232 w
(user) 3252 2232 w
(at) 3450 2232 w
(a) 3554 2232 w
(terminal) 3630 2232 w
(is) 3995 2232 w
(connected) 4094 2232 w
(via) 4530 2232 w
10 /Courier f
(cpu) 4684 2232 w
10 /Times-Roman f
(and) 4896 2232 w
(also) 720 2352 w
(making) 908 2352 w
(use) 1235 2352 w
(of) 1395 2352 w
(another) 1505 2352 w
(fileserver) 1831 2352 w
(on) 2235 2352 w
(the) 2363 2352 w
(network) 2513 2352 w
(for) 2868 2352 w
(their) 3012 2352 w
(personal) 3223 2352 w
(information.) 3589 2352 w
(If) 4114 2352 w
(the) 4208 2352 w
(cpu's) 4358 2352 w
(connection) 4602 2352 w
(to the file server providing the tcp root goes down, what are the consequences for the user?) 720 2472 w
(If) 970 2628 w
(the) 1063 2628 w
(user) 1212 2628 w
(at) 1405 2628 w
(a) 1504 2628 w
(terminal) 1575 2628 w
(is) 1935 2628 w
(using) 2029 2628 w
(that) 2273 2628 w
(cpu) 2450 2628 w
(server,) 2621 2628 w
(and) 2916 2628 w
(also) 3087 2628 w
(importing) 3275 2628 w
(their) 3698 2628 w
($home) 3909 2628 w
(from) 4209 2628 w
(a) 4431 2628 w
(different) 4503 2628 w
(file\255) 4874 2628 w
(server,) 720 2748 w
(the) 1017 2748 w
(user's) 1167 2748 w
(connection) 1433 2748 w
(to) 1899 2748 w
(their) 2005 2748 w
($home) 2216 2748 w
(and) 2516 2748 w
(working) 2688 2748 w
(data) 3049 2748 w
(set) 3243 2748 w
(is) 3382 2748 w
(disrupted,) 3477 2748 w
(even) 3902 2748 w
(though) 4118 2748 w
(the) 4424 2748 w
($home) 4574 2748 w
(file\255) 4874 2748 w
(server is still fine \255 it is just the boot fileserver) 720 2868 w
(for) 2589 2868 w
(the) 2731 2868 w
(cpu) 2879 2868 w
(server) 3049 2868 w
(with) 3318 2868 w
(the) 3522 2868 w
(binaries) 3670 2868 w
(that) 4012 2868 w
(had) 4188 2868 w
(a) 4358 2868 w
(disruption.) 4428 2868 w
(The) 4885 2868 w
(failure) 720 2988 w
(of) 1008 2988 w
(one) 1119 2988 w
(system) 1291 2988 w
(\(the) 1597 2988 w
(cpu's) 1779 2988 w
(root) 2022 2988 w
(fileserver) 2210 2988 w
(with) 2613 2988 w
(the) 2818 2988 w
(binaries\)) 2967 2988 w
(has) 3343 2988 w
(caused) 3503 2988 w
(the) 3801 2988 w
(disruption) 3950 2988 w
(of) 4383 2988 w
(2) 4493 2988 w
(other) 4570 2988 w
(work\255) 4802 2988 w
(ing) 720 3108 w
(systems) 881 3108 w
(and) 1231 3108 w
(ended) 1409 3108 w
(the) 1681 3108 w
(workflow) 1837 3108 w
(of) 2259 3108 w
(the) 2376 3108 w
(user) 2532 3108 w
(until) 2732 3108 w
(the) 2950 3108 w
(cpu) 3106 3108 w
(is) 3284 3108 w
(rebooted.) 3385 3108 w
(The) 3793 3108 w
(cpu) 3982 3108 w
(kernel) 4160 3108 w
(is) 4443 3108 w
(still) 4544 3108 w
(running) 4729 3108 w
(fine \255 why does it need to reboot because a user\255space program lost a file descriptor?) 720 3228 w
(The) 970 3384 w
(ANTS) 1162 3384 w
(software) 1460 3384 w
(addresses) 1840 3384 w
(these) 2260 3384 w
(issues) 2503 3384 w
(by) 2780 3384 w
(removing) 2918 3384 w
(the) 3339 3384 w
(dependency) 3499 3384 w
(of) 4013 3384 w
(the) 4134 3384 w
(kernel) 4294 3384 w
(on) 4581 3384 w
(the) 4719 3384 w
(root) 4879 3384 w
(filesystem.) 720 3504 w
(Once) 1186 3504 w
(the) 1426 3504 w
(kernel) 1578 3504 w
(is) 1857 3504 w
(loaded) 1954 3504 w
(into) 2250 3504 w
(memory,) 2436 3504 w
(it) 2824 3504 w
(can) 2910 3504 w
(stand) 3078 3504 w
(back) 3319 3504 w
(from) 3536 3504 w
(userland,) 3759 3504 w
(and) 4151 3504 w
(instruct) 4324 3504 w
(userspace) 4653 3504 w
(programs) 720 3624 w
(to) 1125 3624 w
(dial) 1231 3624 w
(each) 1409 3624 w
(other) 1619 3624 w
(and) 1852 3624 w
(create) 2024 3624 w
(a) 2289 3624 w
(namespace) 2361 3624 w
(for) 2826 3624 w
(the) 2970 3624 w
(user,) 3120 3624 w
(but) 3339 3624 w
(the) 3495 3624 w
(main) 3646 3624 w
(flow) 3875 3624 w
(of) 4087 3624 w
(control) 4199 3624 w
(of) 4511 3624 w
(the) 4623 3624 w
(master) 4774 3624 w
(process) 720 3744 w
(on) 1047 3744 w
(the) 1175 3744 w
(system) 1325 3744 w
(should) 1631 3744 w
(not) 1926 3744 w
(depend) 2082 3744 w
(on) 2397 3744 w
(any) 2524 3744 w
(file) 2695 3744 w
(descriptor) 2855 3744 w
(acquired) 3281 3744 w
(from) 3651 3744 w
(an) 3872 3744 w
(outside) 3993 3744 w
(system.) 4309 3744 w
(That) 4639 3744 w
(way,) 4849 3744 w
(anything can die and the master flow of control never freezes trying to read from a dead fd.) 720 3864 w
(The) 970 4020 w
(foundation) 1159 4020 w
(of) 1626 4020 w
(these) 1743 4020 w
(namespace) 1982 4020 w
(tools) 2453 4020 w
(is) 2682 4020 w
(a) 2783 4020 w
(rewrite) 2862 4020 w
(of) 3179 4020 w
(the) 3297 4020 w
(post) 3454 4020 w
(kernel\255load) 3656 4020 w
10 /Courier f
(boot) 4145 4020 w
10 /Times-Roman f
(and) 4420 4020 w
10 /Courier f
(init) 4599 4020 w
10 /Times-Roman f
(pro\255) 4874 4020 w
(grams. The userspace is still created the same way, with a conventional root, but this namespace is launched) 720 4140 w
(separately) 720 4260 w
(from) 1150 4260 w
(the) 1370 4260 w
(core) 1518 4260 w
(flow) 1715 4260 w
(of) 1924 4260 w
(control.) 2033 4260 w
(The) 2367 4260 w
(kernel) 2548 4260 w
(is) 2823 4260 w
(independent) 2916 4260 w
(of) 3430 4260 w
(any) 3539 4260 w
(root) 3709 4260 w
(and) 3897 4260 w
(there) 4068 4260 w
(is) 4294 4260 w
(an) 4388 4260 w
(always) 4509 4260 w
(avail\255) 4813 4260 w
(able) 720 4380 w
(service) 921 4380 w
(namespace) 1238 4380 w
(which) 1710 4380 w
(exists) 1989 4380 w
(beneath) 2252 4380 w
(the) 2597 4380 w
(conventional) 2754 4380 w
(user\255facing) 3305 4380 w
(namespace.) 3788 4380 w
(The) 4285 4380 w
(service) 4475 4380 w
(name\255) 4791 4380 w
(space) 720 4500 w
(is) 970 4500 w
(a) 1066 4500 w
(comfortable) 1139 4500 w
(working) 1650 4500 w
(environment) 2012 4500 w
(with) 2546 4500 w
(all) 2753 4500 w
(software) 2882 4500 w
(needed) 3254 4500 w
(to) 3565 4500 w
(begin) 3672 4500 w
(and) 3924 4500 w
(administer) 4098 4500 w
(the) 4550 4500 w
(machine) 4702 4500 w
(and the userspace it is hosting.) 720 4620 w
(Creating) 970 4776 w
(multiple) 1346 4776 w
(independent) 1712 4776 w
(namespaces) 2232 4776 w
(means) 2740 4776 w
(the) 3027 4776 w
(user) 3181 4776 w
(needs) 3379 4776 w
(to) 3639 4776 w
(be) 3750 4776 w
(able) 3877 4776 w
(to) 4076 4776 w
(move) 4187 4776 w
(easily) 4442 4776 w
(between) 4708 4776 w
(them) 720 4896 w
(and) 949 4896 w
(modify) 1122 4896 w
(namespace) 1440 4896 w
(in) 1906 4896 w
(an) 2013 4896 w
(extensive) 2136 4896 w
(fashion) 2541 4896 w
(easily.) 2863 4896 w
(Moving) 3149 4896 w
(between) 3494 4896 w
(namespaces) 3854 4896 w
(and) 4358 4896 w
(restructuring) 4530 4896 w
(namespaces) 720 5016 w
(is) 1226 5016 w
(enabled) 1323 5016 w
(with) 1663 5016 w
(scripted) 1871 5016 w
(namespace) 2217 5016 w
(operations) 2684 5016 w
(such) 3130 5016 w
(as) 3343 5016 w
10 /Courier f
(rerootwin) 3456 5016 w
10 /Times-Roman f
(to) 4026 5016 w
(reroot) 4134 5016 w
(a) 4402 5016 w
(window) 4476 5016 w
(with\255) 4829 5016 w
(out) 720 5136 w
(losing) 888 5136 w
(the) 1173 5136 w
(connection) 1335 5136 w
(to) 1813 5136 w
(keyboard,) 1931 5136 w
(mouse,) 2367 5136 w
(and) 2693 5136 w
(window) 2877 5136 w
(system.) 3239 5136 w
(Another) 3581 5136 w
(kernel) 3947 5136 w
(modification) 4235 5136 w
(makes) 4785 5136 w
10 /Courier f
(/proc/*/ns) 720 5256 w
10 /Times-Roman f
(writable) 1355 5256 w
(to) 1717 5256 w
(control) 1830 5256 w
(the) 2148 5256 w
(namespace) 2306 5256 w
(of) 2779 5256 w
(any) 2898 5256 w
(owned) 3078 5256 w
(process.) 3380 5256 w
(This) 3740 5256 w
(allows) 3954 5256 w
(scripted) 4251 5256 w
(namespace) 4603 5256 w
(operations) 720 5376 w
(at) 1169 5376 w
(a) 1274 5376 w
(higher) 1351 5376 w
(level) 1639 5376 w
(of) 1865 5376 w
(abstraction) 1980 5376 w
(such) 2450 5376 w
(as) 2665 5376 w
10 /Courier f
(cpns) 2780 5376 w
10 /Times-Roman f
(to) 3052 5376 w
(make) 3162 5376 w
(the) 3410 5376 w
(namespace) 3564 5376 w
(of) 4033 5376 w
(one) 4148 5376 w
(process) 4324 5376 w
(a) 4655 5376 w
(copy) 4731 5376 w
(of) 4957 5376 w
(another.) 720 5496 w
(The) 970 5652 w
(user) 1155 5652 w
(has) 1351 5652 w
(control) 1514 5652 w
(of) 1827 5652 w
(persistent) 1940 5652 w
(interactive) 2354 5652 w
(shells) 2806 5652 w
(in) 3065 5652 w
(any) 3174 5652 w
(namespace) 3349 5652 w
(on) 3817 5652 w
(any) 3948 5652 w
(machine) 4123 5652 w
(using) 4492 5652 w
10 /Courier f
(hubfs) 4740 5652 w
10 /Times-Roman f
(and) 720 5772 w
(can) 900 5772 w
(pipe) 1074 5772 w
(data) 1282 5772 w
(freely) 1484 5772 w
(between) 1752 5772 w
(shells) 2119 5772 w
(on) 2382 5772 w
(different) 2517 5772 w
(nodes.) 2895 5772 w
(Access) 3188 5772 w
(to) 3505 5772 w
(these) 3618 5772 w
(persistent) 3858 5772 w
(shells) 4276 5772 w
(is) 4539 5772 w
(integrated) 4641 5772 w
(into) 720 5892 w
10 /Courier f
(grio) 916 5892 w
10 /Times-Roman f
(with) 1196 5892 w
(the) 1414 5892 w
(addition) 1576 5892 w
(of) 1944 5892 w
(a) 2067 5892 w
(new) 2151 5892 w
(menu) 2357 5892 w
(command.) 2619 5892 w
(Behind) 3078 5892 w
(the) 3407 5892 w
(scenes,) 3569 5892 w
(the) 3894 5892 w
(user's) 4056 5892 w
(data) 4334 5892 w
(is) 4540 5892 w
(replicated) 4647 5892 w
(between) 720 6012 w
(archival) 1079 6012 w
(stores) 1427 6012 w
(with) 1687 6012 w
10 /Courier f
(ventiprog) 1892 6012 w
10 /Times-Roman f
(and) 2459 6012 w
(multiple) 2630 6012 w
(active) 2990 6012 w
(copies) 3254 6012 w
(of) 3535 6012 w
(the) 3644 6012 w
(current) 3792 6012 w
(root) 4100 6012 w
(fs) 4287 6012 w
(can) 4385 6012 w
(be) 4549 6012 w
(produced) 4669 6012 w
(almost instantly with) 720 6132 w
10 /Courier f
(cpsys) 1585 6132 w
10 /Times-Roman f
(of the root filesystem of one) 1910 6132 w
10 /Courier f
(fossil) 3064 6132 w
10 /Times-Roman f
(fileserver to another.) 3449 6132 w
(The) 970 6288 w
(combination) 1162 6288 w
(of) 1699 6288 w
(these) 1819 6288 w
(Advanced) 2061 6288 w
(Namespace) 2502 6288 w
(ToolS) 2999 6288 w
(creates) 3282 6288 w
(a) 3596 6288 w
(user) 3678 6288 w
(environment) 3882 6288 w
(where) 4425 6288 w
(multiple) 4706 6288 w
(machines) 720 6408 w
(behave) 1138 6408 w
(as) 1460 6408 w
(a) 1583 6408 w
(tightly) 1667 6408 w
(integrated) 1969 6408 w
(unit,) 2408 6408 w
(but) 2629 6408 w
(experience) 2797 6408 w
(only) 3268 6408 w
(minimal) 3486 6408 w
(disruption) 3860 6408 w
(when) 4306 6408 w
(other) 4562 6408 w
(nodes) 4807 6408 w
(need) 720 6528 w
(to) 934 6528 w
(leave) 1038 6528 w
(the) 1274 6528 w
(grid.) 1422 6528 w
(The) 1634 6528 w
(user) 1815 6528 w
(can) 2007 6528 w
(keep) 2171 6528 w
(working) 2385 6528 w
(with) 2744 6528 w
(their) 2948 6528 w
(current) 3157 6528 w
(data) 3466 6528 w
(from) 3659 6528 w
(whatever) 3880 6528 w
(nodes) 4272 6528 w
(are) 4532 6528 w
(available) 4680 6528 w
(as) 720 6648 w
(other) 833 6648 w
(nodes) 1068 6648 w
(plug) 1331 6648 w
(in) 1539 6648 w
(or) 1647 6648 w
(leave) 1760 6648 w
(the) 2000 6648 w
(grid.) 2152 6648 w
(Current) 2368 6648 w
(backups) 2703 6648 w
(are) 3060 6648 w
(always) 3211 6648 w
(available) 3518 6648 w
(on) 3908 6648 w
(demand) 4038 6648 w
(and) 4383 6648 w
(the) 4556 6648 w
(user) 4707 6648 w
(can) 4902 6648 w
(re\255root) 720 6768 w
(to) 1018 6768 w
(a) 1123 6768 w
(new) 1194 6768 w
(root) 1387 6768 w
(on) 1575 6768 w
(the) 1702 6768 w
(fly.) 1851 6768 w
(Persistent) 2014 6768 w
(shells) 2430 6768 w
(and) 2685 6768 w
(text) 2856 6768 w
(applications) 3033 6768 w
(on) 3543 6768 w
(any) 3670 6768 w
(node) 3841 6768 w
(are) 4062 6768 w
(available) 4210 6768 w
(from) 4597 6768 w
(every) 4819 6768 w
(other) 720 6888 w
(node.) 983 6888 w
(A) 1260 6888 w
(detailed) 1390 6888 w
(investigation) 1764 6888 w
(of) 2339 6888 w
(the) 2480 6888 w
(components) 2660 6888 w
(of) 3201 6888 w
(the) 3342 6888 w
(toolkit) 3522 6888 w
(follows,) 3842 6888 w
(beginning) 4225 6888 w
(with) 4683 6888 w
(the) 4918 6888 w
(boot/service namespace.) 720 7008 w
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10 /Times-Roman f
(\255 3 \255) 2797 480 w
10 /Times-Bold f
(II. The boot namespace and later namespaces) 720 840 w
10 /Times-Roman f
(Here is the namespace of the master process on a rootless box:) 970 996 w
(bind #c /dev) 1080 1176 w
(bind #ec /dev) 1080 1296 w
(bind \255bc #e /env) 1080 1416 w
(bind \255c #s /srv) 1080 1536 w
(bind \255a #u /dev) 1080 1656 w
(bind / /) 1080 1776 w
(bind #d /fd) 1080 1896 w
(bind #p /proc) 1080 2016 w
(bind \255a #\244 /dev) 1080 2136 w
(bind \255a #S /dev) 1080 2256 w
(bind /net /net) 1080 2376 w
(bind \255a #l /net) 1080 2496 w
(bind \255a #I /net) 1080 2616 w
(bind /bin /bin) 1080 2736 w
(bind \255a /boot /bin) 1080 2856 w
(cd /) 1080 2976 w
(Nothing) 970 3192 w
(can) 1337 3192 w
(kill) 1514 3192 w
(this) 1687 3192 w
(shell) 1872 3192 w
(except) 2101 3192 w
(the) 2401 3192 w
(failure) 2563 3192 w
(of) 2863 3192 w
(the) 2986 3192 w
(kernel) 3148 3192 w
(itself.) 3437 3192 w
(The) 3702 3192 w
(tools) 3897 3192 w
(compiled) 4132 3192 w
(into) 4544 3192 w
10 /Courier f
(/boot) 4740 3192 w
10 /Times-Roman f
(allow) 720 3312 w
(it) 977 3312 w
(to) 1068 3312 w
(fork) 1181 3312 w
(off) 1382 3312 w
(new) 1533 3312 w
(environments) 1733 3312 w
(rooted) 2311 3312 w
(to) 2600 3312 w
(disk) 2712 3312 w
(or) 2913 3312 w
(network) 3030 3312 w
(resources) 3391 3312 w
(without) 3801 3312 w
(connecting) 4141 3312 w
(to) 4613 3312 w
(it) 4725 3312 w
(itself.) 4815 3312 w
(This) 720 3432 w
(master) 927 3432 w
(process) 1222 3432 w
(can) 1550 3432 w
(be) 1717 3432 w
(thought) 1840 3432 w
(of) 2175 3432 w
(as) 2287 3432 w
(a) 2399 3432 w
("namespace) 2472 3432 w
(hypervisor") 2979 3432 w
(which) 3476 3432 w
(stays) 3749 3432 w
(behind) 3978 3432 w
(the) 4279 3432 w
(scenes) 4430 3432 w
(creating) 4719 3432 w
(different) 720 3552 w
(namespace) 1092 3552 w
(environments.) 1558 3552 w
(The) 2156 3552 w
(namespace) 2340 3552 w
(of) 2806 3552 w
(this) 2918 3552 w
(master) 3092 3552 w
(process) 3387 3552 w
(is) 3715 3552 w
(create) 3810 3552 w
(by) 4075 3552 w
(a) 4203 3552 w
(rewritten) 4275 3552 w
(and) 4663 3552 w
(com\255) 4835 3552 w
(bined) 720 3672 w
10 /Courier f
(boot) 970 3672 w
10 /Times-Roman f
(and) 1239 3672 w
10 /Courier f
(init) 1412 3672 w
10 /Times-Roman f
(which) 1681 3672 w
(sets) 1954 3672 w
(up) 2133 3672 w
(the) 2262 3672 w
(kernel\255only) 2413 3672 w
(environment.) 2902 3672 w
(Once) 3461 3672 w
(this) 3700 3672 w
(is) 3874 3672 w
(done,) 3970 3672 w
(the) 4218 3672 w
(script) 4369 3672 w
10 /Courier f
(plan9rc) 4620 3672 w
10 /Times-Roman f
(is) 720 3792 w
(forked) 813 3792 w
(off) 1099 3792 w
(to) 1241 3792 w
(take) 1345 3792 w
(control of setting up a user environment of services on top of the kernel, but leaving the) 1537 3792 w
(main flow of control unattached to those resources.) 720 3912 w
10 /Courier f
(plan9rc) 970 4068 w
10 /Times-Roman f
(is) 1421 4068 w
(a) 1519 4068 w
(script) 1594 4068 w
(which) 1847 4068 w
(acts) 2122 4068 w
(as) 2308 4068 w
(a) 2422 4068 w
(general) 2497 4068 w
(purpose) 2821 4068 w
(launcher) 3169 4068 w
(script) 3544 4068 w
(for) 3798 4068 w
(self\255contained) 3946 4068 w
(Plan) 4543 4068 w
(9) 4753 4068 w
(envi\255) 4835 4068 w
(ronments.) 720 4188 w
(It) 1146 4188 w
(takes) 1236 4188 w
(over) 1470 4188 w
(the) 1676 4188 w
(work) 1827 4188 w
(usually) 2061 4188 w
(done) 2379 4188 w
(by) 2602 4188 w
(the) 2731 4188 w
(kernel) 2882 4188 w
(to) 3160 4188 w
(attach) 3267 4188 w
(a) 3534 4188 w
(root) 3607 4188 w
(fileserver) 3797 4188 w
(and) 4202 4188 w
(launch) 4374 4188 w
(a) 4668 4188 w
10 /Courier f
(cpurc) 4740 4188 w
10 /Times-Roman f
(or) 720 4308 w
10 /Courier f
(termrc.) 839 4308 w
10 /Times-Roman f
(It) 1295 4308 w
(also) 1392 4308 w
(provides) 1589 4308 w
(an) 1969 4308 w
(optional) 2099 4308 w
(interactive) 2463 4308 w
(mode) 2920 4308 w
(which) 3178 4308 w
(has) 3458 4308 w
(offers) 3627 4308 w
(complete) 3895 4308 w
(user) 4297 4308 w
(control) 4500 4308 w
(of) 4820 4308 w
(all) 4940 4308 w
(bootup) 720 4428 w
(parameters.) 1031 4428 w
(Once) 1526 4428 w
(an) 1769 4428 w
(environment) 1896 4428 w
(has) 2434 4428 w
(been) 2600 4428 w
(launched) 2821 4428 w
(it) 3214 4428 w
(saves) 3303 4428 w
(the) 3551 4428 w
(parameters) 3705 4428 w
(used) 4174 4428 w
(to) 4389 4428 w
(its) 4499 4428 w
(local) 4626 4428 w
(ram\255) 4852 4428 w
(disk, allowing the same environment to be spawned again non\255interactively.) 720 4548 w
10 /Courier f
(plan9rc) 970 4704 w
10 /Times-Roman f
(is) 1417 4704 w
(written) 1511 4704 w
(to) 1821 4704 w
(be) 1926 4704 w
(compatible) 2047 4704 w
(with) 2518 4704 w
(existing) 2723 4704 w
(installations) 3067 4704 w
(and) 3578 4704 w
10 /Courier f
(plan9.ini) 3749 4704 w
10 /Times-Roman f
(values) 4316 4704 w
(as) 4598 4704 w
(much) 4708 4704 w
(as) 4957 4704 w
(possible.) 720 4824 w
(It) 1109 4824 w
(is) 1206 4824 w
(focused) 1309 4824 w
(on) 1655 4824 w
(pc) 1791 4824 w
(bootup) 1921 4824 w
(and) 2235 4824 w
(handles) 2415 4824 w
(tcp) 2756 4824 w
(booting,) 2914 4824 w
10 /Courier f
(fossil,) 3281 4824 w
(venti,) 3737 4824 w
(kfs,) 4133 4824 w
10 /Times-Roman f
(and) 4409 4824 w
10 /Courier f
(cfs) 4589 4824 w
10 /Times-Roman f
(in) 4805 4824 w
(the) 4918 4824 w
(same) 720 4944 w
(manner) 954 4944 w
(as) 1282 4944 w
(the) 1394 4944 w
(conventional) 1545 4944 w
(kernel.) 2090 4944 w
10 /Courier f
(plan9rc) 2418 4944 w
10 /Times-Roman f
(creates) 2867 4944 w
(the) 3172 4944 w
(foundation) 3323 4944 w
(environment) 3785 4944 w
(to) 4320 4944 w
(allow) 4428 4944 w
10 /Courier f
(termrc) 4680 4944 w
10 /Times-Roman f
(or) 720 5064 w
10 /Courier f
(cpurc) 829 5064 w
10 /Times-Roman f
(to) 1155 5064 w
(be) 1259 5064 w
(run) 1379 5064 w
(as) 1538 5064 w
(usual,) 1647 5064 w
(and) 1909 5064 w
(an) 2079 5064 w
(existing) 2199 5064 w
(standard) 2542 5064 w
(Plan) 2906 5064 w
(9) 3110 5064 w
(install) 3186 5064 w
(should perform as usual when launched) 3457 5064 w
(in) 720 5184 w
(this) 830 5184 w
(fashion.) 1007 5184 w
(In) 1358 5184 w
(this) 1473 5184 w
(way) 1650 5184 w
(the) 1848 5184 w
(rootless) 2003 5184 w
(kernel) 2347 5184 w
(acts) 2629 5184 w
(like) 2817 5184 w
(a) 3000 5184 w
(foundation) 3077 5184 w
(lift) 3543 5184 w
(for) 3693 5184 w
(a) 3842 5184 w
(building) 3919 5184 w
(that) 4286 5184 w
(lifts) 4469 5184 w
(the) 4658 5184 w
(entire) 4813 5184 w
(structure and installs a new floor at ground level.) 720 5304 w
(How) 970 5460 w
(does) 1192 5460 w
(the) 1403 5460 w
(user) 1553 5460 w
(access) 1747 5460 w
(and) 2029 5460 w
(use) 2201 5460 w
(this) 2362 5460 w
(new) 2536 5460 w
(foundation) 2731 5460 w
(level) 3193 5460 w
(to) 3416 5460 w
(give) 3523 5460 w
(us) 3724 5460 w
(control) 3842 5460 w
(over) 4154 5460 w
(the) 4360 5460 w
(system?) 4511 5460 w
(This) 4862 5460 w
(is) 720 5580 w
(done) 839 5580 w
(by) 1085 5580 w
(a) 1237 5580 w
(small) 1333 5580 w
(cpurc\255equivalent) 1602 5580 w
(script) 2324 5580 w
(named) 2598 5580 w
10 /Courier f
(initskel) 2916 5580 w
10 /Times-Roman f
(that) 3448 5580 w
(may) 3650 5580 w
(be) 3874 5580 w
(run) 4019 5580 w
(by) 4203 5580 w
10 /Courier f
(plan9rc.) 4354 5580 w
10 /Times-Roman f
(The) 4885 5580 w
10 /Courier f
(initskel) 720 5700 w
10 /Times-Roman f
(creates) 1234 5700 w
(a) 1545 5700 w
(miniature) 1624 5700 w
(user) 2042 5700 w
(environment) 2243 5700 w
(rooted) 2783 5700 w
(on) 3073 5700 w
(a) 3208 5700 w
(small) 3287 5700 w
(ramdisk,) 3539 5700 w
(so) 3921 5700 w
(it) 4045 5700 w
(is) 4136 5700 w
(also) 4238 5700 w
(independent) 4434 5700 w
(of) 4957 5700 w
(any) 720 5820 w
(non\255kernel) 893 5820 w
(resources.) 1354 5820 w
(This) 1784 5820 w
(environment) 1991 5820 w
(has) 2525 5820 w
(a) 2687 5820 w
(much) 2760 5820 w
(richer) 3011 5820 w
(namespace) 3272 5820 w
(than) 3737 5820 w
(the) 3937 5820 w
(core) 4087 5820 w
(kernel) 4286 5820 w
(control) 4563 5820 w
(pro\255) 4874 5820 w
(cess) 720 5940 w
(but) 918 5940 w
(it) 1078 5940 w
(is) 1166 5940 w
(still) 1265 5940 w
(independent) 1448 5940 w
(of) 1968 5940 w
(any) 2083 5940 w
(external) 2260 5940 w
(resources.) 2614 5940 w
(Compiled) 3048 5940 w
(into) 3476 5940 w
10 /Courier f
(/boot) 3665 5940 w
10 /Times-Roman f
(are) 3998 5940 w
(enough) 4152 5940 w
(tools) 4479 5940 w
(to) 4707 5940 w
(allow) 4818 5940 w
(this) 720 6060 w
(namespace) 896 6060 w
(to) 1364 6060 w
(run) 1473 6060 w
(a) 1637 6060 w
10 /Courier f
(cpu) 1712 6060 w
10 /Times-Roman f
(listener) 1923 6060 w
(\(on) 2248 6060 w
(a) 2412 6060 w
(non\255standard) 2487 6060 w
(port\).) 3039 6060 w
(Here) 3289 6060 w
(is) 3513 6060 w
(what) 3611 6060 w
(the) 3836 6060 w
(ns) 3989 6060 w
(looks) 4109 6060 w
(like) 4357 6060 w
(after) 4538 6060 w
10 /Courier f
(cpu) 4751 6060 w
10 /Times-Roman f
(in) 4962 6060 w
(on port 17020:) 720 6180 w
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10 /Times-Roman f
(\255 4 \255) 2797 480 w
(bind) 1080 900 w
(/root /root) 1308 900 w
(mount \255ac '#s/ramboot' /root) 1080 1020 w
(bind) 1080 1140 w
(/ /) 1308 1140 w
(bind \255a /root /) 1080 1260 w
(mount \255a '#s/ramboot' /) 1080 1380 w
(bind \255c /root/mnt /mnt) 1080 1500 w
(bind) 1080 1620 w
(/boot /boot) 1308 1620 w
(mount \255a '#s/bootpaq' /boot) 1080 1740 w
([ standadr kernel binds omitted ]) 1080 1860 w
(bind) 1080 1980 w
(/n /n) 1308 1980 w
(mount \255a '#s/slashn' /n) 1080 2100 w
(mount \255a '#s/factotum' /mnt) 1080 2220 w
(bind) 1080 2340 w
(/bin /bin) 1308 2340 w
(bind \255b /boot /bin) 1080 2460 w
(mount \255b '#s/bootpaq' /bin) 1080 2580 w
(bind \255a /root/bin /bin) 1080 2700 w
(bind \255a /root/bin /boot) 1080 2820 w
(bind) 1080 2940 w
(/net /net) 1308 2940 w
(bind \255a '#l' /net) 1080 3060 w
(bind \255a '#I' /net) 1080 3180 w
(mount \255a '#s/cs' /net) 1080 3300 w
(mount \255a '#s/dns' /net) 1080 3420 w
(mount) 1080 3540 w
('#s/usb' /n/usb) 1386 3540 w
(mount \255a '#s/usb' /dev) 1080 3660 w
(mount \255c '#s/hubfs' /n/hubfs) 1080 3780 w
(mount \255c '#D/ssl/3/data' /mnt/term) 1080 3900 w
(bind \255a /usr/bootes/bin/rc /bin) 1080 4020 w
(bind \255a /usr/bootes/bin/386 /bin) 1080 4140 w
(bind \255c /usr/bootes/tmp /tmp) 1080 4260 w
(bind \255a /mnt/term/mnt/wsys /dev) 1080 4380 w
(bind) 1080 4500 w
(/mnt/term/dev/cons /dev/cons) 1308 4500 w
(bind) 1080 4620 w
(/mnt/term/dev/consctl /dev/consctl) 1308 4620 w
(bind \255a /mnt/term/dev /dev) 1080 4740 w
(cd /usr/bootes) 1080 4860 w
(This) 970 5076 w
(namespace) 1180 5076 w
(is) 1649 5076 w
(a) 1748 5076 w
(very) 1824 5076 w
(important) 2033 5076 w
(namespace) 2454 5076 w
(in) 2923 5076 w
(the) 3033 5076 w
(structure) 3187 5076 w
(of) 3569 5076 w
(the) 3685 5076 w
(grid.) 3840 5076 w
(It) 4059 5076 w
(exists) 4153 5076 w
(on) 4414 5076 w
(every) 4547 5076 w
(single) 4801 5076 w
(machine,) 720 5196 w
(created) 1111 5196 w
(underneath) 1426 5196 w
(whichever) 1897 5196 w
10 /Courier f
(cpurc) 2340 5196 w
10 /Times-Roman f
(or) 2668 5196 w
10 /Courier f
(termrc) 2779 5196 w
10 /Times-Roman f
(they) 3167 5196 w
(run.) 3367 5196 w
(This) 3553 5196 w
(environment) 3759 5196 w
(is) 4292 5196 w
(a) 4387 5196 w
(perfectly) 4459 5196 w
(user\255) 4841 5196 w
(friendly namespace, unlike the pure kernel namespace with) 720 5316 w
(no) 3112 5316 w
(ramdisk) 3238 5316 w
(attached.) 3586 5316 w
(In) 3969 5316 w
(fact,) 4078 5316 w
(depending) 4278 5316 w
(on) 4720 5316 w
(what) 4846 5316 w
(is) 720 5436 w
(compiled) 815 5436 w
(into) 1215 5436 w
(the) 1398 5436 w
10 /Courier f
(bootpaq) 1547 5436 w
10 /Times-Roman f
(and) 1994 5436 w
(the) 2165 5436 w
(optional) 2314 5436 w
10 /Courier f
(tools.tgz) 2669 5436 w
10 /Times-Roman f
(contained) 3236 5436 w
(in) 3651 5436 w
10 /Courier f
(9fat) 3756 5436 w
10 /Times-Roman f
(which) 4023 5436 w
(may) 4294 5436 w
(also) 4493 5436 w
(be) 4681 5436 w
(added) 4802 5436 w
(to) 720 5556 w
(the) 824 5556 w
(ramdisk,) 972 5556 w
(this) 1345 5556 w
(environment,) 1516 5556 w
(while) 2072 5556 w
(slightly) 2320 5556 w
(spartan) 2647 5556 w
(\(no) 2961 5556 w
(manpages,) 3120 5556 w
(only) 3570 5556 w
(1) 3774 5556 w
(or) 3850 5556 w
(2) 3959 5556 w
(fonts) 4035 5556 w
(in) 4261 5556 w
10 /Courier f
(/lib) 4365 5556 w
10 /Times-Roman f
(\)) 4632 5556 w
(is) 4692 5556 w
(in) 4786 5556 w
(fact) 4891 5556 w
(sufficient) 720 5676 w
(for) 1127 5676 w
(many) 1273 5676 w
(tasks.) 1525 5676 w
(Furthermore,) 1780 5676 w
(since) 2334 5676 w
(the) 2569 5676 w
(user) 2721 5676 w
(is) 2917 5676 w
10 /Courier f
(cpu) 3014 5676 w
10 /Times-Roman f
(in) 3224 5676 w
(as) 3332 5676 w
(usual) 3445 5676 w
(to) 3686 5676 w
(a) 3794 5676 w
(new) 3867 5676 w
(flow) 4062 5676 w
(of) 4274 5676 w
(control,) 4386 5676 w
(the) 4723 5676 w
(user) 4874 5676 w
(can) 720 5796 w
(freely) 891 5796 w
(acquire) 1156 5796 w
(new) 1482 5796 w
(resources) 1682 5796 w
(from) 2092 5796 w
(here) 2320 5796 w
(without) 2525 5796 w
(fear.) 2865 5796 w
(If) 3078 5796 w
(the) 3178 5796 w
10 /Courier f
(cpu) 3334 5796 w
10 /Times-Roman f
(environment) 3548 5796 w
(breaks,) 4087 5796 w
(it) 4406 5796 w
(hasnt) 4496 5796 w
(harmed) 4741 5796 w
(the flow of control it spawned from, the service and utility namespace will be the same on next) 720 5916 w
10 /Courier f
(cpu) 4539 5916 w
10 /Times-Roman f
(in.) 4744 5916 w
(To) 970 6072 w
(aid) 1108 6072 w
(in) 1257 6072 w
(working) 1362 6072 w
(using) 1722 6072 w
(the) 1966 6072 w
(service) 2115 6072 w
(namespace) 2424 6072 w
(as) 2888 6072 w
(a) 2998 6072 w
(base,) 3069 6072 w
(scripts) 3298 6072 w
(are) 3587 6072 w
(provided) 3736 6072 w
(to) 4119 6072 w
(provide) 4225 6072 w
(forms) 4558 6072 w
(of) 4819 6072 w
(re\255) 4930 6072 w
(rooting.) 720 6192 w
(Some) 1075 6192 w
(of) 1344 6192 w
(the) 1467 6192 w
(simplest) 1629 6192 w
(are) 2003 6192 w
10 /Courier f
(addwrroot) 2164 6192 w
10 /Times-Roman f
(and) 2744 6192 w
10 /Courier f
(importwrroot) 2928 6192 w
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(which) 3688 6192 w
(target) 3972 6192 w
(external) 4239 6192 w
(file) 4600 6192 w
(or) 4773 6192 w
(cpu) 4896 6192 w
(servers) 720 6312 w
(and) 1029 6312 w
(acquire) 1200 6312 w
(their) 1520 6312 w
(resources) 1730 6312 w
(and) 2133 6312 w
(bind) 2304 6312 w
(them) 2509 6312 w
(in) 2736 6312 w
(locally) 2842 6312 w
(while) 3142 6312 w
(still) 3392 6312 w
(keeping) 3571 6312 w
(the) 3915 6312 w
(ramboot) 4065 6312 w
(root.) 4426 6312 w
(The) 4640 6312 w
(binds) 4823 6312 w
(are) 720 6432 w
(to) 867 6432 w
(acquire) 971 6432 w
(the) 1290 6432 w
10 /Courier f
(bin) 1438 6432 w
10 /Times-Roman f
(,) 1644 6432 w
10 /Courier f
(lib) 1695 6432 w
10 /Times-Roman f
(,) 1901 6432 w
10 /Courier f
(sys) 1951 6432 w
10 /Times-Roman f
(, and) 2156 6432 w
10 /Courier f
(usr) 2375 6432 w
10 /Times-Roman f
(directories from the remote system. If the user wishes to fully) 2580 6432 w
(attach) 720 6552 w
(to) 988 6552 w
(a) 1096 6552 w
(new) 1170 6552 w
(root) 1366 6552 w
(while) 1557 6552 w
(maintaining) 1809 6552 w
(a) 2317 6552 w
10 /Courier f
(drawterm) 2391 6552 w
10 /Times-Roman f
(or) 2901 6552 w
10 /Courier f
(cpu) 3014 6552 w
10 /Times-Roman f
(connection,) 3225 6552 w
(the) 3719 6552 w
(script) 3872 6552 w
10 /Courier f
(rerootwin) 4125 6552 w
10 /Times-Roman f
(provides) 4696 6552 w
(this) 720 6672 w
(functionality.) 892 6672 w
(This) 1455 6672 w
(is) 1660 6672 w
(one) 1754 6672 w
(of) 1925 6672 w
(the) 2035 6672 w
(most) 2184 6672 w
(important) 2405 6672 w
(tools) 2820 6672 w
(for) 3041 6672 w
(fast) 3183 6672 w
(transformation) 3353 6672 w
(of) 3967 6672 w
(a) 4076 6672 w
(user) 4146 6672 w
(sub\255environment.) 4338 6672 w
10 /Courier f
(rerootwin) 720 6792 w
10 /Times-Roman f
(works) 1291 6792 w
(by) 1566 6792 w
(saving) 1698 6792 w
(the) 1991 6792 w
(active) 2145 6792 w
(devices) 2415 6792 w
(with) 2746 6792 w
10 /Courier f
(srvfs) 2956 6792 w
10 /Times-Roman f
(of) 3288 6792 w
10 /Courier f
(/mnt/term) 3403 6792 w
10 /Times-Roman f
(and) 3975 6792 w
10 /Courier f
(/mnt/wsys) 4151 6792 w
10 /Times-Roman f
(,) 4723 6792 w
(then) 4780 6792 w
(it) 4984 6792 w
(uses) 720 6912 w
(a) 918 6912 w
(custom) 988 6912 w
(namespace file to root to a named) 1303 6912 w
10 /Courier f
(/srv) 2675 6912 w
10 /Times-Roman f
(or network machine, and then re\255acquire the original) 2940 6912 w
(devices) 720 7032 w
(from) 1050 7032 w
(the) 1275 7032 w
10 /Courier f
(srvfs) 1428 7032 w
10 /Times-Roman f
(to) 1759 7032 w
(allow) 1868 7032 w
(the) 2122 7032 w
(user) 2276 7032 w
(to) 2474 7032 w
(remain) 2584 7032 w
(in) 2893 7032 w
(full) 3003 7032 w
(control) 3174 7032 w
(and) 3489 7032 w
(continue) 3665 7032 w
(to) 4041 7032 w
(run) 4151 7032 w
(graphical) 4316 7032 w
(applica\255) 4719 7032 w
(tions) 720 7152 w
(in) 954 7152 w
(that) 1071 7152 w
(window.) 1260 7152 w
(Here) 1646 7152 w
(is) 1878 7152 w
(what) 1984 7152 w
(the) 2217 7152 w
(namespace) 2378 7152 w
(looks) 2854 7152 w
(like) 3110 7152 w
(after) 3299 7152 w
(the) 3519 7152 w
(user) 3679 7152 w
(executes) 3883 7152 w
10 /Courier f
(cpu) 4264 7152 w
10 /Times-Roman f
(into) 4482 7152 w
(a) 4676 7152 w
(service) 4758 7152 w
(namespace,) 720 7272 w
(begins) 1209 7272 w
10 /Courier f
(grio) 1497 7272 w
10 /Times-Roman f
(and) 1764 7272 w
(then) 1935 7272 w
(opens) 2134 7272 w
(a) 2394 7272 w
(window) 2465 7272 w
(and) 2814 7272 w
(runs) 2985 7272 w
10 /Courier f
(rerootwin) 3184 7272 w
10 /Times-Roman f
(targeting) 3751 7272 w
(a) 4133 7272 w
(different) 4204 7272 w
(machine) 4574 7272 w
(on) 4940 7272 w
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10 /Times-Roman f
(\255 5 \255) 2797 480 w
(the network:) 720 840 w
([ standard kernel binds omitted ]) 1080 1056 w
(bind) 1080 1176 w
(/net /net) 1308 1176 w
(bind \255a '#l' /net) 1080 1296 w
(bind \255a '#I' /net) 1080 1416 w
(bind) 1080 1536 w
(/net.alt /net.alt) 1308 1536 w
(mount \255a '#s/slashn' /net.alt) 1080 1656 w
(mount \255c '#s/oldterm.1005' /net.alt/oldterm.1005) 1080 1776 w
(mount \255c '#s/oldwsys.1005' /net.alt/oldwsys.1005) 1080 1896 w
(bind) 1080 2016 w
(/net.alt/oldterm.1005/dev/cons /dev/cons) 1308 2016 w
(bind) 1080 2136 w
(/net.alt/oldterm.1005/dev/consctl /dev/consctl) 1308 2136 w
(bind \255a /net.alt/oldterm.1005/dev /dev) 1080 2256 w
(mount \255b '#s/oldwsys.1005' /dev) 1080 2376 w
(bind) 1080 2496 w
(/mnt /mnt) 1308 2496 w
(mount \255a '#s/factotum' /mnt) 1080 2616 w
(bind) 1080 2736 w
(/root /root) 1308 2736 w
(mount \255ac '#s/gridfour' /root) 1080 2856 w
(bind) 1080 2976 w
(/ /) 1308 2976 w
(bind \255a /root /) 1080 3096 w
(mount \255a '#s/gridfour' /) 1080 3216 w
(bind \255b /root/mnt /mnt) 1080 3336 w
(bind) 1080 3456 w
(/boot /boot) 1308 3456 w
(mount \255a '#s/bootpaq' /boot) 1080 3576 w
(bind) 1080 3696 w
(/bin /bin) 1308 3696 w
(bind \255b /boot /bin) 1080 3816 w
(mount \255b '#s/bootpaq' /bin) 1080 3936 w
(bind \255a /386/bin /bin) 1080 4056 w
(bind \255a /rc/bin /bin) 1080 4176 w
(bind) 1080 4296 w
(/n /n) 1308 4296 w
(mount \255a '#s/slashn' /n) 1080 4416 w
(mount \255a '#s/cs' /net) 1080 4536 w
(mount \255a '#s/dns' /net) 1080 4656 w
(mount \255c '#s/hubfs' /n/hubfs) 1080 4776 w
(bind) 1080 4896 w
(/mnt/term /mnt/term) 1308 4896 w
(mount \255bc '#s/oldterm.1005' /mnt/term) 1080 5016 w
(bind) 1080 5136 w
(/mnt/wsys /mnt/wsys) 1308 5136 w
(mount \255bc '#s/oldwsys.1005' /mnt/wsys) 1080 5256 w
(bind \255c /usr/bootes/tmp /tmp) 1080 5376 w
(cd /usr/bootes) 1080 5496 w
(Using the) 970 5712 w
10 /Courier f
(rerootwin) 1381 5712 w
10 /Times-Roman f
(script) 1946 5712 w
(in) 2194 5712 w
(combination) 2298 5712 w
(with) 2824 5712 w
(the) 3028 5712 w
(service) 3176 5712 w
(namespace) 3484 5712 w
(makes) 3947 5712 w
(the) 4228 5712 w
(cpu) 4376 5712 w
(server) 4546 5712 w
(a) 4815 5712 w
(true) 4885 5712 w
(cpu) 720 5832 w
(server,) 899 5832 w
(because) 1202 5832 w
(the) 1552 5832 w
(user) 1708 5832 w
(is) 1908 5832 w
(no) 2009 5832 w
(longer) 2143 5832 w
(using) 2432 5832 w
(the) 2683 5832 w
(cpu's) 2839 5832 w
(root) 3089 5832 w
(at) 3284 5832 w
(all.) 3390 5832 w
(The) 3549 5832 w
(cpu) 3738 5832 w
(is) 3916 5832 w
(only) 4017 5832 w
(providing) 4229 5832 w
(execution) 4652 5832 w
(resources) 720 5952 w
(at) 1126 5952 w
(the) 1228 5952 w
(junction) 1380 5952 w
(of) 1739 5952 w
(two) 1853 5952 w
(totally) 2034 5952 w
(independent) 2321 5952 w
(systems.) 2840 5952 w
(By) 3213 5952 w
10 /Courier f
(cpu) 3361 5952 w
10 /Times-Roman f
(into) 3572 5952 w
(the) 3759 5952 w
(service) 3912 5952 w
(namespace) 4225 5952 w
(and) 4693 5952 w
(then) 4868 5952 w
10 /Courier f
(rerootwin) 720 6072 w
10 /Times-Roman f
(to) 1296 6072 w
(different) 1410 6072 w
(file) 1789 6072 w
(servers,) 1958 6072 w
(the) 2300 6072 w
(user) 2457 6072 w
(environment) 2658 6072 w
(is) 3198 6072 w
(equivalent) 3300 6072 w
(to) 3751 6072 w
(one) 3864 6072 w
(rooted) 4043 6072 w
(conventionally) 4333 6072 w
(to) 4962 6072 w
(that) 720 6192 w
(environment,) 919 6192 w
(but) 1498 6192 w
(without) 1675 6192 w
(the) 2030 6192 w
(dependency.) 2201 6192 w
(If) 2751 6192 w
(the) 2866 6192 w
(re\255rooted) 3037 6192 w
(environment) 3452 6192 w
(breaks,) 4007 6192 w
(the) 4342 6192 w
(user's) 4514 6192 w
(active) 4802 6192 w
(workspace on the cpu outside the re\255rooted window is unharmed.) 720 6312 w
(The) 970 6468 w
(use) 1153 6468 w
(of) 1314 6468 w
(multiple) 1425 6468 w
(independent) 1787 6468 w
(namespaces,) 2303 6468 w
(the) 2832 6468 w
(ability) 2982 6468 w
(of) 3266 6468 w
(the) 3377 6468 w
(kernel) 3527 6468 w
(to) 3805 6468 w
(launch) 3912 6468 w
(and) 4207 6468 w
(manage) 4380 6468 w
(services) 4719 6468 w
(without) 720 6588 w
(depending) 1055 6588 w
(on) 1500 6588 w
(a) 1629 6588 w
(root) 1702 6588 w
(fs,) 1892 6588 w
(and) 2018 6588 w
(provision) 2191 6588 w
(of) 2598 6588 w
(needed) 2709 6588 w
(programs) 3019 6588 w
(in) 3424 6588 w
(the) 3530 6588 w
10 /Courier f
(bootpaq) 3680 6588 w
10 /Times-Roman f
(and) 4128 6588 w
10 /Courier f
(tools.tgz) 4300 6588 w
10 /Times-Roman f
(give) 4868 6588 w
(us) 720 6708 w
(the) 836 6708 w
(foundation) 985 6708 w
(to) 1445 6708 w
(make) 1550 6708 w
(a) 1793 6708 w
(highly) 1864 6708 w
(reliable) 2147 6708 w
(grid.) 2473 6708 w
(How) 2687 6708 w
(are) 2909 6708 w
(services) 3058 6708 w
(built) 3407 6708 w
(on) 3619 6708 w
(the) 3747 6708 w
(platform) 3897 6708 w
(the) 4269 6708 w
(kernel) 4419 6708 w
(provides) 4696 6708 w
(to create the desired properties? \(Reliability, redundancy, ease of maintenance and administration.\)) 720 6828 w
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10 /Times-Roman f
(\255 6 \255) 2797 480 w
10 /Times-Bold f
(III. Redundant roots on demand: fast system replication and efficient progressive backup) 720 840 w
10 /Times-Roman f
(Two) 970 996 w
(high\255level) 1198 996 w
(scripts) 1648 996 w
(provide) 1954 996 w
(management) 2304 996 w
(of) 2859 996 w
(the) 2987 996 w
(grid's) 3154 996 w
(data) 3432 996 w
(flow) 3643 996 w
(via) 3872 996 w
(the) 4040 996 w
(service) 4208 996 w
(namespaces:) 4536 996 w
10 /Courier f
(ventiprog) 720 1116 w
10 /Times-Roman f
(and) 1291 1116 w
10 /Courier f
(cpsys.) 1466 1116 w
(ventiprog) 1857 1116 w
10 /Times-Roman f
(is) 2427 1116 w
(run) 2524 1116 w
(either) 2687 1116 w
(via) 2944 1116 w
(a) 3096 1116 w
(cronjob,) 3170 1116 w
(or) 3530 1116 w
(whenver) 3643 1116 w
(the) 4016 1116 w
(user) 4168 1116 w
(wishes) 4364 1116 w
(to) 4666 1116 w
(update) 4774 1116 w
(their) 720 1236 w
(backups.) 930 1236 w
(It) 1309 1236 w
(is) 1397 1236 w
(an) 1491 1236 w
(efficient) 1612 1236 w
(progressive) 1971 1236 w
(backup) 2458 1236 w
(script) 2773 1236 w
(based) 3022 1236 w
(on) 3276 1236 w
10 /Courier f
(venti/wrarena) 3404 1236 w
10 /Times-Roman f
(so) 4212 1236 w
(running) 4329 1236 w
(the) 4668 1236 w
(script) 4818 1236 w
(more) 720 1356 w
(frequently) 956 1356 w
(simply) 1397 1356 w
(means) 1701 1356 w
(less) 1987 1356 w
(data) 2168 1356 w
(sent,) 2365 1356 w
(more) 2581 1356 w
(often.) 2816 1356 w
10 /Courier f
(cpsys) 3076 1356 w
10 /Times-Roman f
(uses) 3406 1356 w
10 /Courier f
(flfmt) 3608 1356 w
(\255v) 3938 1356 w
10 /Times-Roman f
(to) 4088 1356 w
(duplicate) 4196 1356 w
(the) 4592 1356 w
(state) 4744 1356 w
(of) 4957 1356 w
(fossils) 720 1476 w
(between) 1003 1476 w
(systems.) 1362 1476 w
(By) 1731 1476 w
(using) 1875 1476 w
(first) 2119 1476 w
10 /Courier f
(ventiprog) 2307 1476 w
10 /Times-Roman f
(to) 2874 1476 w
(replicate) 2979 1476 w
(data) 3349 1476 w
(between) 3542 1476 w
(ventis,) 3901 1476 w
(then) 4192 1476 w
10 /Courier f
(cpsys) 4391 1476 w
10 /Times-Roman f
(to) 4718 1476 w
(clone) 4824 1476 w
(a) 720 1596 w
(fossil) 790 1596 w
(via) 1033 1596 w
(the) 1181 1596 w
(rootscore, and then setting the) 1329 1596 w
10 /Courier f
($venti) 2555 1596 w
10 /Times-Roman f
(environment variable used by the fossil to one of the) 2940 1596 w
(backup) 720 1716 w
(ventis,) 1042 1716 w
(the) 1340 1716 w
(user) 1497 1716 w
(is) 1698 1716 w
(given) 1800 1716 w
(a) 2057 1716 w
(current) 2136 1716 w
(working) 2453 1716 w
(copy) 2821 1716 w
(of) 3050 1716 w
(their) 3168 1716 w
(environment) 3386 1716 w
(with) 3926 1716 w
(a) 4139 1716 w
(completely) 4218 1716 w
(different) 4697 1716 w
(chain of hardware dependencies.) 720 1836 w
(The) 970 1992 w
(preferred) 1158 1992 w
(mode) 1555 1992 w
(of) 1810 1992 w
(operation) 1926 1992 w
(is) 2336 1992 w
(to) 2436 1992 w
(run) 2547 1992 w
(two) 2713 1992 w
(ventis) 2897 1992 w
(and) 3170 1992 w
(two) 3348 1992 w
(fossils,) 3532 1992 w
(one) 3847 1992 w
(per) 4025 1992 w
(venti.) 4186 1992 w
(One) 4445 1992 w
(fossil) 4645 1992 w
(and) 4896 1992 w
(venti) 720 2112 w
(are) 948 2112 w
(assigned) 1097 2112 w
(the) 1469 2112 w
(role) 1619 2112 w
(of) 1802 2112 w
('main/future'.) 1913 2112 w
(Data) 2498 2112 w
(is) 2714 2112 w
(backed) 2809 2112 w
(up) 3119 2112 w
(frequently) 3246 2112 w
(between) 3683 2112 w
(the) 4042 2112 w
(ventis,) 4191 2112 w
(and) 4482 2112 w
(whenever) 4653 2112 w
(desired,) 720 2232 w
(the) 1072 2232 w
(user) 1233 2232 w
(resets) 1438 2232 w
(the) 1705 2232 w
(rootscore) 1867 2232 w
(of) 2278 2232 w
(the) 2401 2232 w
('backup/past') 2563 2232 w
(fossil.) 3146 2232 w
(From) 3428 2232 w
(their) 3685 2232 w
(terminal,) 3908 2232 w
(the) 4306 2232 w
(user) 4468 2232 w
(can) 4674 2232 w
(keep) 4852 2232 w
(working) 720 2352 w
(with) 1085 2352 w
(their) 1295 2352 w
(data) 1510 2352 w
(if) 1708 2352 w
(one) 1801 2352 w
(leg) 1977 2352 w
(of) 2131 2352 w
(the) 2246 2352 w
(system) 2400 2352 w
(needs) 2710 2352 w
(to) 2969 2352 w
(be) 3079 2352 w
(reset) 3205 2352 w
(for) 3424 2352 w
(whatever) 3571 2352 w
(reason.) 3967 2352 w
(In) 4283 2352 w
(general) 4397 2352 w
(the) 4721 2352 w
(user) 4874 2352 w
(will) 720 2472 w
(work) 904 2472 w
(on) 1137 2472 w
(the) 1265 2472 w
(main/future) 1415 2472 w
(fossil) 1909 2472 w
(\(probably) 2154 2472 w
(via) 2570 2472 w
(another) 2720 2472 w
(cpu\)) 3047 2472 w
(but) 3252 2472 w
(has) 3408 2472 w
(the) 3569 2472 w
(backup/past) 3719 2472 w
(available) 4224 2472 w
(for) 4613 2472 w
(scratch) 4758 2472 w
(and) 720 2592 w
(testing.) 900 2592 w
(Because) 1228 2592 w
(this) 1596 2592 w
(fossil's) 1777 2592 w
(data) 2102 2592 w
(flow) 2304 2592 w
(dead) 2523 2592 w
(ends) 2747 2592 w
(unless) 2966 2592 w
(it) 3252 2592 w
(is) 3344 2592 w
(needed) 3447 2592 w
(as) 3765 2592 w
(a) 3884 2592 w
(backup,) 3964 2592 w
(it) 4313 2592 w
(can) 4404 2592 w
(be) 4577 2592 w
(used) 4706 2592 w
(for) 4924 2592 w
(destructive tests.) 720 2712 w
(A) 970 2868 w
(core) 1070 2868 w
(concept) 1270 2868 w
(is) 1609 2868 w
(focusing) 1705 2868 w
(on) 2078 2868 w
10 /Courier f
(venti) 2207 2868 w
10 /Times-Roman f
(and) 2536 2868 w
(rootscores) 2709 2868 w
(as) 3148 2868 w
(the) 3260 2868 w
(essence) 3411 2868 w
(of) 3744 2868 w
(the) 3856 2868 w
(user) 4007 2868 w
(environment,) 4202 2868 w
(not) 4761 2868 w
(the) 4918 2868 w
(on\255disk) 720 2988 w
10 /Courier f
(fossil) 1046 2988 w
10 /Times-Roman f
(buffers.) 1432 2988 w
10 /Courier f
(Fossil) 1765 2988 w
10 /Times-Roman f
(is) 2151 2988 w
(thought of as a convenient way of reading and writing) 2244 2988 w
10 /Courier f
(venti) 4429 2988 w
10 /Times-Roman f
(blocks,) 4754 2988 w
(not) 720 3108 w
(as) 886 3108 w
(a) 1008 3108 w
(long\255term) 1091 3108 w
(reliable) 1524 3108 w
(storage) 1862 3108 w
(system.) 2189 3108 w
(The) 2531 3108 w
10 /Courier f
(fossilize) 2725 3108 w
10 /Times-Roman f
(script) 3304 3108 w
(takes) 3565 3108 w
(the) 3809 3108 w
(most) 3970 3108 w
(recent) 4204 3108 w
(rootscore) 4486 3108 w
(and) 4896 3108 w
(appends) 720 3228 w
(it) 1079 3228 w
(to) 1167 3228 w
(a) 1277 3228 w
(file) 1353 3228 w
(stored) 1518 3228 w
(in) 1794 3228 w
(the) 1904 3228 w
(9fat.) 2057 3228 w
(Once) 2268 3228 w
(a) 2509 3228 w
(fossil) 2584 3228 w
(file) 2832 3228 w
(exists) 2996 3228 w
(\(usually) 3255 3228 w
(as) 3608 3228 w
(a) 3722 3228 w
(drive) 3797 3228 w
(partition\)) 4033 3228 w
(the) 4436 3228 w
10 /Courier f
(flfmt) 4589 3228 w
(\255v) 4920 3228 w
10 /Times-Roman f
(operation) 720 3348 w
(is) 1130 3348 w
(almost) 1230 3348 w
(instantaneous.) 1530 3348 w
(The) 2132 3348 w
(use) 2320 3348 w
(of) 2486 3348 w
(frequent) 2602 3348 w
10 /Courier f
(flfmt) 2967 3348 w
(\255v) 3300 3348 w
10 /Times-Roman f
(keeps) 3453 3348 w
(fossils) 3713 3348 w
(small) 4002 3348 w
(and) 4252 3348 w
(bypasses) 4429 3348 w
(many) 4818 3348 w
(issues) 720 3468 w
(historically) 1000 3468 w
(associated) 1491 3468 w
(with) 1942 3468 w
10 /Courier f
(fossil) 2161 3468 w
10 /Times-Roman f
(and) 2562 3468 w
10 /Courier f
(venti) 2747 3468 w
10 /Times-Roman f
(coordination.) 3088 3468 w
(A) 3659 3468 w
(valid) 3771 3468 w
(rootscore) 4011 3468 w
(in) 4422 3468 w
(combination) 4540 3468 w
(with) 720 3588 w
(multiple) 929 3588 w
(ventis) 1294 3588 w
(hosting) 1564 3588 w
(those) 1890 3588 w
(datablocks) 2132 3588 w
(means) 2590 3588 w
(that) 2876 3588 w
(any) 3057 3588 w
(reliability) 3232 3588 w
(issues) 3652 3588 w
(with) 3923 3588 w
10 /Courier f
(fossil) 4133 3588 w
10 /Times-Roman f
(on\255disk) 4525 3588 w
(stor\255) 4857 3588 w
(age) 720 3708 w
(has) 887 3708 w
(little) 1049 3708 w
(impact) 1261 3708 w
(on) 1561 3708 w
(the) 1689 3708 w
(user.) 1839 3708 w
(Any) 2058 3708 w
(fossil) 2258 3708 w
(that) 2503 3708 w
('goes) 2681 3708 w
(bad') 2925 3708 w
(is) 3130 3708 w
(simply) 3225 3708 w
10 /Courier f
(flfmt) 3526 3708 w
(\255v.) 3854 3708 w
10 /Times-Roman f
(Only) 4062 3708 w
(the) 4290 3708 w
(integrity) 4440 3708 w
(of) 4807 3708 w
(the) 4918 3708 w
10 /Courier f
(venti) 720 3828 w
10 /Times-Roman f
(blocks) 1058 3828 w
(is) 1357 3828 w
(important,) 1462 3828 w
(and) 1914 3828 w
10 /Courier f
(venti) 2096 3828 w
10 /Times-Roman f
(and) 2434 3828 w
(it's) 2616 3828 w
(administrative) 2782 3828 w
(tools) 3392 3828 w
(have) 3625 3828 w
(been) 3851 3828 w
(reliable) 4077 3828 w
(in) 4414 3828 w
(this) 4530 3828 w
(author's) 4713 3828 w
(experience.) 720 3948 w
(The) 970 4104 w
(early) 1152 4104 w
(boot) 1378 4104 w
(environment) 1583 4104 w
(runs) 2116 4104 w
(an) 2316 4104 w
10 /Courier f
(rx) 2438 4104 w
10 /Times-Roman f
(listener) 2586 4104 w
(to) 2908 4104 w
(allow) 3014 4104 w
(the) 3264 4104 w
(data) 3414 4104 w
(replication) 3608 4104 w
(and) 4063 4104 w
(other) 4235 4104 w
(administrative) 4468 4104 w
(tools) 720 4224 w
(to) 947 4224 w
(be) 1057 4224 w
(executed) 1183 4224 w
(easily) 1569 4224 w
(from) 1834 4224 w
(other) 2060 4224 w
(nodes) 2297 4224 w
(or) 2562 4224 w
(via) 2677 4224 w
10 /Courier f
(cron.) 2831 4224 w
10 /Times-Roman f
(Testing) 3163 4224 w
(revealed) 3495 4224 w
(an) 3864 4224 w
(issue) 3990 4224 w
(which) 4221 4224 w
(compromised) 4496 4224 w
(reliability) 720 4344 w
(in) 1140 4344 w
(the) 1249 4344 w
(case) 1402 4344 w
(of) 1605 4344 w
(failure:) 1720 4344 w
10 /Courier f
(factotum) 2040 4344 w
10 /Times-Roman f
(tries) 2552 4344 w
(to) 2756 4344 w
(acquire) 2866 4344 w
10 /Courier f
(/srv/cs) 3191 4344 w
10 /Times-Roman f
(,) 3643 4344 w
(and) 3700 4344 w
(the) 3876 4344 w
(connection) 4030 4344 w
(server) 4500 4344 w
(is) 4775 4344 w
(run\255) 4874 4344 w
(ning) 720 4464 w
(in) 927 4464 w
(a) 1034 4464 w
(standard) 1107 4464 w
(rooted) 1474 4464 w
(environment,) 1758 4464 w
(if) 2317 4464 w
(the) 2407 4464 w
(connection) 2558 4464 w
(server) 3024 4464 w
(goes) 3295 4464 w
(down,) 3506 4464 w
10 /Courier f
(factotum) 3781 4464 w
10 /Times-Roman f
(will) 4289 4464 w
(time) 4473 4464 w
(out) 4679 4464 w
(wait\255) 4835 4464 w
(ing) 720 4584 w
(for) 878 4584 w
(the) 1024 4584 w
(connection) 1176 4584 w
(server) 1644 4584 w
(to) 1917 4584 w
(help) 2025 4584 w
(it) 2227 4584 w
(authdial.) 2313 4584 w
(To) 2690 4584 w
(avoid) 2831 4584 w
(this,) 3083 4584 w
(one) 3283 4584 w
(can) 3457 4584 w
(either) 3625 4584 w
(host) 3882 4584 w
10 /Courier f
(cs) 4080 4584 w
10 /Times-Roman f
(and) 4231 4584 w
10 /Courier f
(dns) 4406 4584 w
10 /Times-Roman f
(also) 4617 4584 w
(in) 4809 4584 w
(the) 4918 4584 w
("rootless") 720 4704 w
(environment,) 1151 4704 w
(or) 1718 4704 w
(use) 1838 4704 w
10 /Courier f
(factotum) 2008 4704 w
10 /Times-Roman f
(with) 2525 4704 w
(the) 2740 4704 w
(new) 2899 4704 w
10 /Courier f
(\255x) 3102 4704 w
10 /Times-Roman f
(option,) 3259 4704 w
(which) 3577 4704 w
(prohibits) 3858 4704 w
(it) 4251 4704 w
(from) 4344 4704 w
(mounting) 4575 4704 w
(a) 4996 4704 w
10 /Courier f
(cs.) 720 4824 w
10 /Times-Roman f
(In this case,) 925 4824 w
10 /Courier f
(factotum) 1424 4824 w
10 /Times-Roman f
(simply uses the auth server provided as a parameter with the) 1929 4824 w
10 /Courier f
(\255a) 4366 4824 w
10 /Times-Roman f
(flag.) 4511 4824 w
(In) 970 4980 w
(this) 1085 4980 w
(way) 1262 4980 w
(isolation) 1460 4980 w
(of) 1837 4980 w
(function) 1952 4980 w
(and) 2318 4980 w
(access) 2495 4980 w
(of) 2782 4980 w
(the) 2898 4980 w
(ram/paq) 3053 4980 w
(namespace) 3413 4980 w
(from) 3883 4980 w
(the) 4110 4980 w
(standard) 4265 4980 w
(user) 4636 4980 w
(envi\255) 4835 4980 w
(ronment) 720 5100 w
(is) 1090 5100 w
(established.) 1194 5100 w
(This) 1700 5100 w
(allows) 1915 5100 w
(the) 2213 5100 w
10 /Courier f
(plan9rc) 2372 5100 w
10 /Times-Roman f
(script) 2829 5100 w
(to) 3088 5100 w
(function) 3202 5100 w
(as) 3571 5100 w
(a) 3690 5100 w
(namespace) 3770 5100 w
(launcher) 4243 5100 w
(which) 4622 5100 w
(can) 4902 5100 w
(start multiple) 720 5220 w
10 /Courier f
(cpurc) 1276 5220 w
10 /Times-Roman f
(or) 1601 5220 w
10 /Courier f
(termrc) 1709 5220 w
10 /Times-Roman f
(on the same machine, each with a different root.) 2094 5220 w
10 /Times-Bold f
(IIII. User namespace management: multiple roots and writable /proc/*/ns) 720 5496 w
10 /Times-Roman f
(Because the main flow of control) 970 5652 w
(launches) 2324 5652 w
(the) 2699 5652 w
(root) 2847 5652 w
(environment) 3034 5652 w
(using) 3565 5652 w
10 /Courier f
(newns) 3808 5652 w
10 /Times-Roman f
(but) 4134 5652 w
(stays) 4288 5652 w
(separate,) 4514 5652 w
(it) 4891 5652 w
(is) 4973 5652 w
(possible) 720 5772 w
(to) 1085 5772 w
(run) 1200 5772 w
(the) 1370 5772 w
10 /Courier f
(plan9rc) 1529 5772 w
10 /Times-Roman f
(script) 1986 5772 w
(multiple) 2245 5772 w
(times) 2616 5772 w
(to) 2870 5772 w
(run) 2985 5772 w
(the) 3154 5772 w
10 /Courier f
(cpurc/termrc) 3312 5772 w
10 /Times-Roman f
(from) 4068 5772 w
(different) 4298 5772 w
(root) 4677 5772 w
(file\255) 4874 5772 w
(servers.) 720 5892 w
(One) 1055 5892 w
(example) 1249 5892 w
(would) 1615 5892 w
(be) 1893 5892 w
(doing) 2015 5892 w
(the) 2271 5892 w
(initial) 2421 5892 w
10 /Courier f
(plan9rc) 2683 5892 w
10 /Times-Roman f
(script) 3131 5892 w
(in) 3381 5892 w
(the) 3487 5892 w
(manner) 3637 5892 w
(of) 3964 5892 w
(a) 4075 5892 w
(tcp) 4147 5892 w
(booted) 4298 5892 w
(cpu) 4599 5892 w
(server,) 4772 5892 w
(serving) 720 6012 w
(a) 1049 6012 w
(cpu) 1128 6012 w
(envionment) 1307 6012 w
(rooted) 1814 6012 w
(on) 2104 6012 w
(a) 2239 6012 w
(remote) 2318 6012 w
(fs,) 2630 6012 w
(and) 2762 6012 w
(then) 2941 6012 w
(rerunning) 3147 6012 w
10 /Courier f
(plan9rc) 3569 6012 w
10 /Times-Roman f
(and) 4023 6012 w
(launching) 4201 6012 w
(a) 4629 6012 w
(terminal) 4707 6012 w
(environment from a local disk fs.) 720 6132 w
(An) 970 6288 w
(example) 1119 6288 w
(of) 1484 6288 w
(this) 1594 6288 w
(flow) 1766 6288 w
(is) 1976 6288 w
(included) 2070 6288 w
(in) 2441 6288 w
(the) 2547 6288 w
10 /Courier f
(multiboot.txt) 2697 6288 w
10 /Times-Roman f
(and) 3505 6288 w
10 /Courier f
(multibootns.txt) 3677 6288 w
10 /Times-Roman f
(files.) 4605 6288 w
(After) 4830 6288 w
(the) 720 6408 w
10 /Courier f
(plan9rc) 875 6408 w
10 /Times-Roman f
(script) 1328 6408 w
(runs) 1583 6408 w
(and) 1788 6408 w
(sets) 1965 6408 w
(up) 2148 6408 w
(a) 2281 6408 w
(normal) 2358 6408 w
(tcp) 2674 6408 w
(boot) 2829 6408 w
(cpu) 3040 6408 w
(server) 3217 6408 w
(environment,) 3493 6408 w
(the) 4056 6408 w
(user) 4211 6408 w
(issues) 4410 6408 w
(the) 4681 6408 w
(com\255) 4835 6408 w
(mands:) 720 6528 w
(mv /srv/boot /srv/tcpboot) 1080 6744 w
(# standard namespace files look for /boot so make it available) 2330 6744 w
(interactive=yes) 1080 6864 w
(# if this value was not set by plan9.ini) 2330 6864 w
(plan9rc) 1080 6984 w
(# run the plan9rc script and this time create a terminal environment) 2330 6984 w
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10 /Times-Roman f
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(second) 1284 840 w
(run) 1596 840 w
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(the) 1883 840 w
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(the) 2780 840 w
(user) 2938 840 w
(answers) 3140 840 w
("clear") 3497 840 w
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(almost) 3922 840 w
(all) 4225 840 w
(prompts) 4361 840 w
(because) 4725 840 w
(those) 720 960 w
(services) 964 960 w
(and) 1318 960 w
(actions) 1495 960 w
(have) 1811 960 w
(already) 2032 960 w
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(taken.) 2579 960 w
(The) 2853 960 w
(user) 3041 960 w
(provides) 3240 960 w
(the) 3617 960 w
(new) 3772 960 w
(root) 3970 960 w
(from) 4163 960 w
(the) 4389 960 w
(local) 4543 960 w
(disk) 4769 960 w
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(chooses) 901 1080 w
(terminal) 1254 1080 w
(to) 1624 1080 w
(start) 1739 1080 w
(the) 1948 1080 w
(termrc,) 2107 1080 w
(and) 2429 1080 w
(now) 2610 1080 w
(the) 2819 1080 w
(machine) 2978 1080 w
(initiates) 3353 1080 w
(a) 3707 1080 w
(standard) 3788 1080 w
(terminal) 4164 1080 w
(for) 4535 1080 w
(the) 4689 1080 w
(user.) 4849 1080 w
(However,) 720 1200 w
(the) 1141 1200 w
(tcp) 1294 1200 w
(boot) 1447 1200 w
(cpu) 1656 1200 w
(namespace) 1831 1200 w
(is) 2298 1200 w
(still) 2395 1200 w
(available.) 2576 1200 w
(The) 2991 1200 w
(user) 3176 1200 w
(can) 3372 1200 w
10 /Courier f
(cpu) 3540 1200 w
(\255h) 3750 1200 w
(tcp!localhost!17060) 3900 1200 w
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(to) 720 1320 w
(the) 830 1320 w
(ram/paq) 984 1320 w
(namespace,) 1343 1320 w
(then) 1837 1320 w
10 /Courier f
(rerootwin) 2041 1320 w
(tcpboot.) 2613 1320 w
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(Now) 3125 1320 w
(if) 3351 1320 w
(the) 3445 1320 w
(user) 3600 1320 w
(starts) 3799 1320 w
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(grio) 4043 1320 w
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(and) 4316 1320 w
(maximizes) 4493 1320 w
(it,) 4959 1320 w
(the) 720 1440 w
(user) 870 1440 w
(has) 1064 1440 w
(a) 1225 1440 w
(namespace) 1297 1440 w
(exactly) 1762 1440 w
(identical) 2077 1440 w
(to) 2448 1440 w
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(cpu) 2553 1440 w
10 /Times-Roman f
(to) 2760 1440 w
(a) 2865 1440 w
(remote) 2936 1440 w
(tcp) 3240 1440 w
(boot) 3389 1440 w
(cpu) 3594 1440 w
(server) 3765 1440 w
(attached) 4035 1440 w
(to) 4394 1440 w
(a) 4499 1440 w
(remote) 4570 1440 w
(file\255) 4874 1440 w
(server) 720 1560 w
(\255) 991 1560 w
(except) 1052 1560 w
(it) 1340 1560 w
(is) 1425 1560 w
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(created) 1705 1560 w
(by) 2021 1560 w
10 /Courier f
(cpu) 2150 1560 w
10 /Times-Roman f
(into) 2359 1560 w
(another) 2544 1560 w
(namespace) 2872 1560 w
(hosted) 3338 1560 w
(on) 3628 1560 w
(the) 3757 1560 w
(local) 3908 1560 w
(terminal.) 4131 1560 w
(One) 4518 1560 w
(interest\255) 4713 1560 w
(ing) 720 1680 w
(fact) 882 1680 w
(to) 1065 1680 w
(note) 1177 1680 w
(is) 1383 1680 w
(that) 1484 1680 w
(due) 1668 1680 w
(to) 1846 1680 w
(the) 1958 1680 w
10 /Courier f
(mv) 2114 1680 w
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(of) 2268 1680 w
(the) 2385 1680 w
10 /Courier f
(/srv) 2541 1680 w
10 /Times-Roman f
(,) 2815 1680 w
(unless) 2874 1680 w
(the) 3158 1680 w
(user) 3314 1680 w
(has) 3514 1680 w
(changed) 3680 1680 w
(the) 4045 1680 w
10 /Courier f
(/lib/namespace) 4200 1680 w
10 /Times-Roman f
(files) 720 1800 w
(to) 920 1800 w
(non\255default) 1026 1800 w
(settings) 1514 1800 w
(for) 1848 1800 w
(the) 1992 1800 w
(boot/root) 2142 1800 w
(mounts,) 2537 1800 w
(the) 2885 1800 w
10 /Courier f
(cpu) 3035 1800 w
10 /Times-Roman f
(listener) 3244 1800 w
(started) 3567 1800 w
(by) 3862 1800 w
(the) 3991 1800 w
10 /Courier f
(cpurc) 4142 1800 w
10 /Times-Roman f
(now) 4471 1800 w
(results) 4672 1800 w
(in) 4962 1800 w
10 /Courier f
(cpu) 720 1920 w
10 /Times-Roman f
(into the terminal namespace, because that is what is located at) 925 1920 w
10 /Courier f
(/srv/boot.) 3426 1920 w
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(To) 970 2076 w
(demonstrate) 1118 2076 w
(that) 1643 2076 w
(these) 1831 2076 w
(principles) 2074 2076 w
(work) 2506 2076 w
(for) 2749 2076 w
(even) 2903 2076 w
(more) 3129 2076 w
(strongly) 3372 2076 w
(diverging) 3738 2076 w
(namespaces,) 4159 2076 w
(a) 4698 2076 w
(test) 4780 2076 w
(of) 4957 2076 w
(using) 720 2196 w
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(to) 1435 2196 w
(launch) 1552 2196 w
(both) 1857 2196 w
(9front) 2074 2196 w
(and) 2357 2196 w
(Bell) 2540 2196 w
(Labs) 2746 2196 w
(user) 2979 2196 w
(environments) 3184 2196 w
(simultaneously) 3767 2196 w
(was) 4412 2196 w
(conducted.) 4605 2196 w
(Both) 720 2316 w
(can) 949 2316 w
(coexist) 1121 2316 w
(on) 1438 2316 w
(the) 1572 2316 w
(same) 1728 2316 w
(machine) 1967 2316 w
(as) 2339 2316 w
(normal) 2456 2316 w
(self) 2773 2316 w
(sufficient) 2951 2316 w
(environments) 3362 2316 w
(without) 3941 2316 w
(competing) 4282 2316 w
(and) 4739 2316 w
(the) 4918 2316 w
(user can even create a mixed namespace that has elements of each.) 720 2436 w
(This) 970 2592 w
(points) 1174 2592 w
(to) 1445 2592 w
(the) 1549 2592 w
(next) 1697 2592 w
(component) 1896 2592 w
(of) 2367 2592 w
(the) 2477 2592 w
(toolkit) 2626 2592 w
(for) 2915 2592 w
(working) 3058 2592 w
(in) 3418 2592 w
(and) 3523 2592 w
(controlling) 3694 2592 w
(divergent) 4160 2592 w
(namespaces) 4564 2592 w
(\255) 720 2712 w
(the) 790 2712 w
(writable) 949 2712 w
10 /Courier f
(/proc/*/ns) 1313 2712 w
10 /Times-Roman f
(kernel) 1950 2712 w
(modification) 2236 2712 w
(and) 2784 2712 w
(the) 2965 2712 w
10 /Courier f
(addns) 3124 2712 w
(subns) 3461 2712 w
10 /Times-Roman f
(,) 3798 2712 w
(and) 3860 2712 w
10 /Courier f
(cpns) 4040 2712 w
10 /Times-Roman f
(scripts.) 4316 2712 w
(With) 4638 2712 w
(pro\255) 4874 2712 w
(cesses) 720 2832 w
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(in) 1418 2832 w
(many) 1532 2832 w
(different) 1790 2832 w
(namespaces,) 2169 2832 w
(it) 2706 2832 w
(may) 2799 2832 w
(be) 3008 2832 w
(useful) 3139 2832 w
(or) 3420 2832 w
(necessary) 3540 2832 w
(to) 3964 2832 w
(modify) 4079 2832 w
(the) 4405 2832 w
(mounts) 4564 2832 w
(and) 4896 2832 w
(binds) 720 2952 w
(of) 969 2952 w
(running) 1084 2952 w
(services) 1427 2952 w
(\255) 1780 2952 w
(but) 1845 2952 w
(most) 2005 2952 w
(services) 2232 2952 w
(do) 2585 2952 w
(not) 2717 2952 w
(provide) 2877 2952 w
(a) 3214 2952 w
(method) 3290 2952 w
(for) 3622 2952 w
(doing) 3770 2952 w
(so.) 4030 2952 w
(From) 4176 2952 w
(a) 4425 2952 w
(shell) 4501 2952 w
(the) 4721 2952 w
(user) 4874 2952 w
(can) 720 3072 w
(issue) 892 3072 w
(namespace) 1126 3072 w
(commands,) 1597 3072 w
(and) 2089 3072 w
(some) 2267 3072 w
(programs) 2512 3072 w
(such) 2923 3072 w
(as) 3140 3072 w
10 /Courier f
(acme) 3257 3072 w
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(provide) 3531 3072 w
(tools) 3870 3072 w
(\(Local\)) 4099 3072 w
(to) 4427 3072 w
(change) 4540 3072 w
(their) 4857 3072 w
(namespace,) 720 3192 w
(but) 1213 3192 w
(as) 1372 3192 w
(a) 1486 3192 w
(general) 1560 3192 w
(rule) 1883 3192 w
(standard) 2068 3192 w
(plan) 2436 3192 w
(9) 2638 3192 w
(only) 2718 3192 w
(allows) 2926 3192 w
(the) 3217 3192 w
(user) 3369 3192 w
(to) 3565 3192 w
(actively) 3673 3192 w
(modify) 4019 3192 w
(the) 4338 3192 w
(namespace) 4490 3192 w
(of) 4957 3192 w
(shells, the "system\255wide" namespace of services remains mostly constant after they are started.) 720 3312 w
(The) 970 3468 w
(writable) 1154 3468 w
(ns) 1510 3468 w
(provides) 1628 3468 w
(a) 2001 3468 w
(simple) 2074 3468 w
(and) 2370 3468 w
(direct) 2543 3468 w
(mechanism) 2800 3468 w
(to) 3285 3468 w
(allow) 3393 3468 w
(modifications) 3645 3468 w
(of) 4225 3468 w
(the) 4338 3468 w
(namespace) 4490 3468 w
(of) 4957 3468 w
(any) 720 3588 w
(process) 891 3588 w
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(by) 1508 3588 w
(the) 1634 3588 w
(user,) 1782 3588 w
(including) 1999 3588 w
(processes) 2403 3588 w
(on) 2811 3588 w
(remote) 2937 3588 w
(nodes) 3240 3588 w
(via) 3499 3588 w
(import) 3647 3588 w
(of) 3940 3588 w
10 /Courier f
(/proc.) 4049 3588 w
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(Simply) 4435 3588 w
(writing) 4751 3588 w
(the) 720 3708 w
(same) 874 3708 w
(text) 1111 3708 w
(string) 1293 3708 w
(as) 1553 3708 w
(used) 1668 3708 w
(by) 1883 3708 w
(the) 2015 3708 w
(namespace) 2169 3708 w
(file) 2638 3708 w
(or) 2803 3708 w
(interactive) 2918 3708 w
(shells) 3371 3708 w
(to) 3631 3708 w
10 /Courier f
(/proc/*/ns) 3742 3708 w
10 /Times-Roman f
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(perform) 4564 3708 w
(the) 4918 3708 w
(namespace) 720 3828 w
(modification) 1184 3828 w
(on) 1721 3828 w
(that) 1847 3828 w
(program) 2023 3828 w
(equivalent) 2387 3828 w
(to) 2829 3828 w
(it) 2933 3828 w
(issuing) 3015 3828 w
(that) 3325 3828 w
(command) 3501 3828 w
(itself.) 3921 3828 w
(In) 4172 3828 w
(this) 4281 3828 w
(way) 4452 3828 w
(the) 4644 3828 w
(ns) 4792 3828 w
(file) 4907 3828 w
(becomes more tightly mapped to) 720 3948 w
(the) 2056 3948 w
(process) 2204 3948 w
(namespace.) 2529 3948 w
(The) 3017 3948 w
(action) 3198 3948 w
(of) 3468 3948 w
(writing) 3577 3948 w
(namespace) 3892 3948 w
(commands) 4355 3948 w
(to) 4814 3948 w
(the) 4918 3948 w
(namespace) 720 4068 w
(file) 1190 4068 w
(with) 1356 4068 w
10 /Courier f
(echo) 1567 4068 w
10 /Times-Roman f
(commands) 1839 4068 w
(is) 2304 4068 w
(simple) 2403 4068 w
(and) 2702 4068 w
(natural) 2878 4068 w
(and) 3187 4068 w
(provides) 3363 4068 w
(full) 3739 4068 w
(generality.) 3910 4068 w
(The) 4366 4068 w
(exception) 4553 4068 w
(is) 4973 4068 w
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(requiring) 1044 4188 w
(authentication,) 1439 4188 w
(which) 2060 4188 w
(are) 2334 4188 w
(not) 2485 4188 w
(performed.) 2643 4188 w
(This) 3113 4188 w
(restriction) 3321 4188 w
(can) 3756 4188 w
(be) 3924 4188 w
(worked) 4048 4188 w
(around) 4377 4188 w
(by) 4684 4188 w
(creat\255) 4814 4188 w
(ing) 720 4308 w
(a) 878 4308 w
10 /Courier f
(srvfs) 952 4308 w
10 /Times-Roman f
(of) 1282 4308 w
(any) 1395 4308 w
(authentication\255required) 1569 4308 w
(mounts) 2530 4308 w
(so) 2855 4308 w
(the) 2974 4308 w
(non\255authed) 3126 4308 w
10 /Courier f
(/srv) 3605 4308 w
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(on) 3875 4308 w
(the) 4004 4308 w
(local) 4155 4308 w
(machine) 4378 4308 w
(may) 4745 4308 w
(be) 4946 4308 w
(acquired.) 720 4428 w
(The) 970 4584 w
(generality) 1155 4584 w
(of) 1584 4584 w
(this) 1697 4584 w
(mechanism) 1872 4584 w
(allows) 2357 4584 w
(it) 2648 4584 w
(to) 2734 4584 w
(be) 2842 4584 w
(used) 2966 4584 w
(as) 3179 4584 w
(the) 3292 4584 w
(foundation) 3445 4584 w
(for) 3909 4584 w
(another) 4056 4584 w
(level) 4386 4584 w
(of) 4611 4584 w
(abstrac\255) 4725 4584 w
(tion) 720 4704 w
(\255) 902 4704 w
(scripts) 961 4704 w
(which) 1248 4704 w
(perform) 1518 4704 w
(namespace) 1865 4704 w
(operations en masse on target processes. The) 2328 4704 w
10 /Courier f
(addns) 4146 4704 w
10 /Times-Roman f
(,) 4471 4704 w
10 /Courier f
(subns) 4521 4704 w
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(, and) 4846 4704 w
10 /Courier f
(cpns) 720 4824 w
10 /Times-Roman f
(scripts) 991 4824 w
(perform) 1283 4824 w
(simple) 1635 4824 w
(comparisons) 1933 4824 w
(on) 2469 4824 w
(the) 2600 4824 w
(contents) 2753 4824 w
(of) 3117 4824 w
(process) 3231 4824 w
(namespaces) 3561 4824 w
(and) 4068 4824 w
(make) 4243 4824 w
(modifications) 4490 4824 w
(accordingly.) 720 4944 w
(It) 1252 4944 w
(should) 1349 4944 w
(be) 1652 4944 w
(noted) 1782 4944 w
(that) 2040 4944 w
(the) 2226 4944 w
(scripts) 2384 4944 w
(in) 2681 4944 w
(their) 2795 4944 w
(current) 3014 4944 w
(state) 3331 4944 w
(do) 3549 4944 w
(not) 3684 4944 w
(parse) 3847 4944 w
(and) 4092 4944 w
(understand) 4271 4944 w
(the) 4744 4944 w
(full) 4901 4944 w
('graph/tree') 720 5064 w
(structure) 1225 5064 w
(of) 1609 5064 w
(namespaces) 1727 5064 w
(so) 2238 5064 w
(their) 2362 5064 w
(modifcations) 2580 5064 w
(are) 3137 5064 w
(somewhat) 3294 5064 w
(naive.) 3735 5064 w
(This) 4012 5064 w
(is) 4226 5064 w
(not) 4329 5064 w
(a) 4493 5064 w
(limit) 4573 5064 w
(of) 4799 5064 w
(the) 4918 5064 w
(writable) 720 5184 w
(ns) 1074 5184 w
(modification,) 1190 5184 w
(more) 1753 5184 w
(sophisticated) 1984 5184 w
(tools) 2532 5184 w
(should) 2753 5184 w
(be) 3046 5184 w
(able) 3166 5184 w
(to) 3358 5184 w
(do) 3462 5184 w
(perfect) 3588 5184 w
(rewrites) 3890 5184 w
(of) 4237 5184 w
(the) 4346 5184 w
(namespace) 4494 5184 w
(of) 4957 5184 w
(the) 720 5304 w
(target) 870 5304 w
(process,) 1125 5304 w
(but) 1477 5304 w
(doing) 1633 5304 w
(this) 1889 5304 w
(requires) 2062 5304 w
(understanding) 2411 5304 w
(the) 3005 5304 w
(dependencies) 3155 5304 w
(of) 3720 5304 w
(later) 3832 5304 w
(binds) 4038 5304 w
(on) 4284 5304 w
(previous) 4413 5304 w
(opera\255) 4786 5304 w
(tions.) 720 5424 w
(The) 971 5424 w
(current) 1157 5424 w
(scripts) 1470 5424 w
(simply) 1762 5424 w
(compare) 2066 5424 w
(the) 2440 5424 w
(ns) 2593 5424 w
(files) 2713 5424 w
(for) 2916 5424 w
(matching) 3063 5424 w
(and) 3466 5424 w
(non\255matching) 3641 5424 w
(lines) 4227 5424 w
(and) 4447 5424 w
(use) 4622 5424 w
(this) 4786 5424 w
(to) 4962 5424 w
(generate) 720 5544 w
(a) 1092 5544 w
(list) 1171 5544 w
(of) 1329 5544 w
(actions.) 1447 5544 w
(In) 1790 5544 w
(practice,) 1908 5544 w
(this) 2283 5544 w
(mechanism) 2463 5544 w
(is) 2953 5544 w
(capable) 3055 5544 w
(of) 3394 5544 w
(performing) 3512 5544 w
(even) 3996 5544 w
(dramatic) 4219 5544 w
(namespace) 4603 5544 w
(modifications,) 720 5664 w
(and) 1321 5664 w
(the) 1491 5664 w
(user) 1639 5664 w
(can) 1831 5664 w
(always) 1995 5664 w
(make) 2298 5664 w
(additional) 2540 5664 w
(changes) 2966 5664 w
(or) 3313 5664 w
(modify) 3422 5664 w
(the) 3737 5664 w
(actions) 3885 5664 w
(of) 4194 5664 w
(the) 4303 5664 w
(script by using) 4451 5664 w
(the) 720 5784 w
10 /Courier f
(\255t) 879 5784 w
10 /Times-Roman f
(flag) 1036 5784 w
(to) 1228 5784 w
(print) 1343 5784 w
(actions) 1569 5784 w
(without) 1889 5784 w
(executing) 2232 5784 w
(them.) 2657 5784 w
(During) 2919 5784 w
(testing,) 3239 5784 w
(it) 3568 5784 w
(was) 3662 5784 w
(possible) 3855 5784 w
(transform) 4221 5784 w
(a) 4647 5784 w
(running) 4729 5784 w
(9front) 720 5904 w
(userland) 995 5904 w
(into) 1364 5904 w
(a) 1551 5904 w
(Bell) 1626 5904 w
(Labs) 1824 5904 w
(userland) 2049 5904 w
(by) 2417 5904 w
(repeated) 2547 5904 w
10 /Courier f
(cpns) 2914 5904 w
(\255r) 3184 5904 w
10 /Times-Roman f
(between) 3334 5904 w
(processes) 3696 5904 w
(that) 4108 5904 w
(had) 4288 5904 w
(been) 4462 5904 w
(launched) 4680 5904 w
(on) 720 6024 w
(different) 851 6024 w
(roots) 1225 6024 w
(and) 1456 6024 w
(by) 1631 6024 w
(the) 1762 6024 w
(respective) 1915 6024 w
10 /Courier f
(cpurc) 2350 6024 w
10 /Times-Roman f
(of) 2681 6024 w
(each) 2795 6024 w
(distribution.) 3008 6024 w
(The) 3526 6024 w
(namespaces) 3712 6024 w
(of) 4219 6024 w
10 /Courier f
(rio) 4333 6024 w
10 /Times-Roman f
(and) 4544 6024 w
(the) 4720 6024 w
(run\255) 4874 6024 w
(ning) 720 6144 w
(shells) 931 6144 w
(and) 1192 6144 w
(applications) 1369 6144 w
(were) 1885 6144 w
(all) 2111 6144 w
(remotely) 2244 6144 w
(rewritten) 2632 6144 w
(via) 3025 6144 w
(the) 3180 6144 w
10 /Courier f
(/proc) 3335 6144 w
10 /Times-Roman f
(interface) 3668 6144 w
(to) 4049 6144 w
(use) 4159 6144 w
(a) 4324 6144 w
(different) 4400 6144 w
(root) 4775 6144 w
(fs) 4968 6144 w
(and to bring their namespace into conformance with Bell Labs namespace conventions.) 720 6264 w
(It) 970 6420 w
(seems) 1072 6420 w
(accurate) 1357 6420 w
(to) 1729 6420 w
(describe) 1848 6420 w
(the) 2221 6420 w
(modified) 2384 6420 w
(boot) 2786 6420 w
(system) 3005 6420 w
(with) 3324 6420 w
(ram/paq) 3543 6420 w
(namespace) 3912 6420 w
(and) 4391 6420 w
(the) 4577 6420 w
(plan9rc) 4741 6420 w
(script) 720 6540 w
(as) 972 6540 w
(a) 1085 6540 w
("namespace) 1159 6540 w
(hypervisor") 1667 6540 w
(because) 2165 6540 w
(it) 2510 6540 w
(supports) 2596 6540 w
(multiple) 2965 6540 w
(independent) 3328 6540 w
(namespaces) 3845 6540 w
(and) 4350 6540 w
(allows) 4523 6540 w
(travel) 4813 6540 w
(between) 720 6660 w
(them.) 1094 6660 w
(The) 1361 6660 w
(writable) 1558 6660 w
(ns) 1927 6660 w
(mod) 2058 6660 w
(enables) 2278 6660 w
(fine) 2620 6660 w
(grained) 2818 6660 w
(control) 3160 6660 w
(over) 3486 6660 w
(the) 3706 6660 w
(namespace) 3871 6660 w
(of) 4351 6660 w
(every) 4477 6660 w
(process) 4741 6660 w
(owned by a user on an entire grid of machines.) 720 6780 w
(The) 970 6936 w
(final) 1165 6936 w
(component) 1388 6936 w
(used) 1872 6936 w
(to) 2095 6936 w
(bind) 2213 6936 w
(the) 2431 6936 w
(diverse) 2593 6936 w
(namespaces) 2921 6936 w
(together) 3437 6936 w
(into) 3804 6936 w
(a) 4000 6936 w
(controllable) 4084 6936 w
(and) 4601 6936 w
(usable) 4785 6936 w
(environment) 720 7056 w
(is) 1262 7056 w
(the) 1366 7056 w
(persistence) 1525 7056 w
(and) 2005 7056 w
(multiplexing) 2186 7056 w
(layer) 2735 7056 w
(provided) 2971 7056 w
(by) 3363 7056 w
(hubfs) 3500 7056 w
(and) 3758 7056 w
(integration) 3938 7056 w
(into) 4407 7056 w
(a) 4599 7056 w
(modified) 4679 7056 w
10 /Courier f
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10 /Courier f
(grio.) 1216 7176 w
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10 /Times-Roman f
(\255 8 \255) 2797 480 w
10 /Times-Bold f
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10 /Times-Roman f
(The ANTS toolkit is designed to create different namespaces for different purposes. The) 970 996 w
(top) 4524 996 w
(layer) 4678 996 w
(is) 4903 996 w
(a) 4996 996 w
(modified) 720 1116 w
10 /Courier f
(rio) 1110 1116 w
10 /Times-Roman f
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10 /Courier f
(grio) 1614 1116 w
10 /Times-Roman f
(which) 1883 1116 w
(integrates) 2156 1116 w
(with) 2572 1116 w
10 /Courier f
(hubfs.) 2778 1116 w
10 /Times-Roman f
(The) 3166 1116 w
(modification) 3349 1116 w
(is) 3888 1116 w
(simple:) 3983 1116 w
(the) 4306 1116 w
(addition) 4456 1116 w
(to) 4812 1116 w
(the) 4918 1116 w
(menu) 720 1236 w
(of) 968 1236 w
(a) 1077 1236 w
10 /Courier f
(Hub) 1147 1236 w
10 /Times-Roman f
(command,) 1353 1236 w
(which) 1798 1236 w
(operates) 2068 1236 w
(identically) 2426 1236 w
(to) 2874 1236 w
10 /Courier f
(New) 2978 1236 w
10 /Times-Roman f
(except) 3184 1236 w
(the) 3470 1236 w
10 /Courier f
(rc) 3618 1236 w
10 /Times-Roman f
(in) 3764 1236 w
(the) 3868 1236 w
(window) 4017 1236 w
(is) 4366 1236 w
(connected) 4460 1236 w
(to) 4891 1236 w
(a) 4996 1236 w
10 /Courier f
(hubfs.) 720 1356 w
10 /Times-Roman f
(It) 1108 1356 w
(is) 1197 1356 w
(intended) 1292 1356 w
(that) 1664 1356 w
(each) 1842 1356 w
(node) 2052 1356 w
(on) 2274 1356 w
(a) 2402 1356 w
(grid,) 2474 1356 w
(and) 2688 1356 w
(possibly) 2860 1356 w
(different) 3222 1356 w
(namespaces) 3593 1356 w
(on) 4097 1356 w
(each) 4225 1356 w
(node,) 4434 1356 w
(will) 4680 1356 w
(con\255) 4863 1356 w
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(to) 914 1476 w
(the) 1020 1476 w
10 /Courier f
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10 /Times-Roman f
(and) 1498 1476 w
(create) 1670 1476 w
(a) 1935 1476 w
(shell) 2007 1476 w
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10 /Times-Roman f
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(this) 2989 1476 w
(way,) 3162 1476 w
(shells) 3381 1476 w
(from) 3637 1476 w
(every) 3859 1476 w
(machine) 4108 1476 w
(become) 4474 1476 w
(avail\255) 4813 1476 w
(able within one) 720 1596 w
10 /Courier f
(hubfs.) 1361 1596 w
10 /Times-Roman f
(To) 970 1752 w
(make) 1109 1752 w
(this) 1353 1752 w
(environment) 1527 1752 w
(available) 2061 1752 w
(to) 2450 1752 w
(the) 2557 1752 w
(user) 2708 1752 w
(by) 2903 1752 w
(default,) 3032 1752 w
(a) 3363 1752 w
(few) 3436 1752 w
(commands) 3614 1752 w
(can) 4076 1752 w
(be) 4243 1752 w
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(to) 4633 1752 w
10 /Courier f
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10 /Times-Roman f
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(the) 902 1872 w
(user) 1062 1872 w
(profile.) 1266 1872 w
(One) 1595 1872 w
(machine) 1799 1872 w
(within) 2175 1872 w
(a) 2469 1872 w
(grid) 2551 1872 w
(will) 2750 1872 w
(probably) 2944 1872 w
(act) 3337 1872 w
(as) 3490 1872 w
(a) 3610 1872 w
(primary) 3691 1872 w
("hubserver") 4044 1872 w
(and) 4556 1872 w
(begin) 4737 1872 w
(a) 4996 1872 w
(hubfs) 720 1992 w
(for) 969 1992 w
(the) 1112 1992 w
(user) 1261 1992 w
(at) 1454 1992 w
(its) 1553 1992 w
(startup.) 1675 1992 w
(Other) 1999 1992 w
(machines) 2253 1992 w
(will) 2657 1992 w
('export') 2840 1992 w
(shells) 3188 1992 w
(to) 3443 1992 w
(that) 3549 1992 w
(machine,) 3727 1992 w
(using) 4118 1992 w
(a) 4363 1992 w
(command) 4435 1992 w
(such) 4857 1992 w
(as) 720 2112 w
(cpu \255h gridserver \255c hub \255b srvname remotesys) 1330 2292 w
(The user adds a statement to profile such as:) 970 2508 w
(import \255a hubserver /srv &) 1330 2688 w
(When) 970 2904 w
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(is) 1445 2904 w
(started,) 1550 2904 w
(it) 1879 2904 w
(looks) 1973 2904 w
(for) 2228 2904 w
10 /Courier f
(/srv/riohubfs.username) 2382 2904 w
10 /Times-Roman f
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(mount.) 3858 2904 w
(This) 4178 2904 w
(way,) 4395 2904 w
(whichever) 4625 2904 w
(node) 720 3024 w
(the) 942 3024 w
(user) 1092 3024 w
(cpus) 1285 3024 w
(to) 1495 3024 w
(will) 1600 3024 w
(have) 1783 3024 w
(the) 1998 3024 w
(same) 2147 3024 w
10 /Courier f
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10 /Times-Roman f
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(from) 3021 3024 w
(the) 3242 3024 w
10 /Courier f
(Hub) 3391 3024 w
10 /Times-Roman f
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(option) 3847 3024 w
(in) 4130 3024 w
10 /Courier f
(grio) 4235 3024 w
10 /Times-Roman f
(,) 4502 3024 w
(and) 4554 3024 w
(because) 4725 3024 w
(all) 720 3144 w
(systems) 869 3144 w
(are) 1235 3144 w
(exporting) 1405 3144 w
(shells) 1837 3144 w
(to) 2114 3144 w
(the) 2241 3144 w
(hub,) 2412 3144 w
(the) 2636 3144 w
(user) 2807 3144 w
(can) 3022 3144 w
10 /Courier f
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(node) 3759 3144 w
(and) 4003 3144 w
(then) 4197 3144 w
(have) 4419 3144 w
(persistent) 4657 3144 w
(workspaces) 720 3264 w
(on) 1211 3264 w
(any) 1337 3264 w
(machine.) 1507 3264 w
(The) 1896 3264 w
(state) 2077 3264 w
(of) 2286 3264 w
(the) 2395 3264 w
(hubs) 2543 3264 w
(remains) 2758 3264 w
(regardless) 3100 3264 w
(of) 3530 3264 w
(where and how the user attaches or) 3639 3264 w
(unattaches.) 720 3384 w
(The) 970 3540 w
10 /Courier f
(initskel) 1153 3540 w
10 /Times-Roman f
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(starts) 2100 3540 w
(a) 2339 3540 w
10 /Courier f
(hubfs) 2411 3540 w
10 /Times-Roman f
(by) 2739 3540 w
(default) 2867 3540 w
(in) 3172 3540 w
(the) 3278 3540 w
(early) 3428 3540 w
(boot) 3655 3540 w
(environment.) 3862 3540 w
(This) 4421 3540 w
(allows) 4628 3540 w
(the) 4918 3540 w
(user) 720 3660 w
(to) 920 3660 w
(easily) 1032 3660 w
(access) 1299 3660 w
(the) 1587 3660 w
(ramroot) 1743 3660 w
(namespace) 2093 3660 w
(from) 2564 3660 w
(the) 2792 3660 w
(standard) 2947 3660 w
(user) 3318 3660 w
(environment.) 3517 3660 w
(If) 4080 3660 w
(the) 4179 3660 w
(user) 4334 3660 w
(desires,) 4533 3660 w
(they) 4868 3660 w
(could) 720 3780 w
(pre\255mount) 971 3780 w
(the) 1416 3780 w
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(at) 2491 3780 w
(boot) 2592 3780 w
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(of) 3111 3780 w
(the) 3223 3780 w
(networked) 3374 3780 w
(riohubfs) 3824 3780 w
(to) 4186 3780 w
(enable) 4293 3780 w
(easy) 4583 3780 w
(admin) 4790 3780 w
(work) 720 3900 w
(in) 961 3900 w
(that) 1075 3900 w
(namespace.) 1261 3900 w
(It) 1759 3900 w
(is) 1856 3900 w
(even) 1959 3900 w
(possible) 2183 3900 w
(to) 2546 3900 w
(create) 2659 3900 w
(two) 2931 3900 w
(layers) 3116 3900 w
(of) 3389 3900 w
(shared) 3507 3900 w
(hubs) 3802 3900 w
(\255) 4026 3900 w
(a) 4094 3900 w
(shared) 4173 3900 w
(administrative) 4468 3900 w
(layer shared between machines running shells in the ram namespace, and) 720 4020 w
(another) 3664 4020 w
(set) 3989 4020 w
(of) 4126 4020 w
(hubs) 4235 4020 w
(in) 4450 4020 w
(the) 4554 4020 w
(standard) 4702 4020 w
(namespace. In fact, these two layers can be freely mixed.) 720 4140 w
(This) 970 4296 w
(is) 1175 4296 w
(another) 1269 4296 w
(way) 1595 4296 w
10 /Courier f
(hubfs) 1788 4296 w
10 /Times-Roman f
(functions) 2115 4296 w
(\255) 2514 4296 w
(to) 2574 4296 w
('save') 2679 4296 w
(namespaces.) 2949 4296 w
(If) 3477 4296 w
(there) 3570 4296 w
(is) 3797 4296 w
(a) 3892 4296 w
(namespace) 3964 4296 w
(which) 4429 4296 w
(is) 4701 4296 w
(some\255) 4796 4296 w
(times) 720 4416 w
(useful,) 970 4416 w
(but) 1272 4416 w
(diverges) 1433 4416 w
(from) 1804 4416 w
(the) 2031 4416 w
(main) 2186 4416 w
(environment,) 2419 4416 w
(it) 2982 4416 w
(can) 3071 4416 w
(be) 3242 4416 w
(built) 3369 4416 w
(with) 3586 4416 w
(in) 3797 4416 w
(a) 3908 4416 w
10 /Courier f
(hubfs) 3984 4416 w
10 /Times-Roman f
(shell) 4316 4416 w
(to) 4537 4416 w
(be) 4647 4416 w
(visited) 4773 4416 w
(later) 720 4536 w
(at) 923 4536 w
(will.) 1021 4536 w
(A) 1228 4536 w
(single) 1326 4536 w
10 /Courier f
(hubfs) 1591 4536 w
10 /Times-Roman f
(can) 1917 4536 w
(provide) 2081 4536 w
(a) 2412 4536 w
(meeting) 2482 4536 w
(point) 2830 4536 w
(for) 3062 4536 w
(any) 3204 4536 w
(number) 3375 4536 w
(of) 3707 4536 w
(namespaces) 3817 4536 w
(built) 4320 4536 w
(on) 4531 4536 w
(any) 4658 4536 w
(num\255) 4829 4536 w
(ber of machines and allow data to be pumped directly between processes file descriptors.) 720 4656 w
(As) 970 4812 w
(a) 1112 4812 w
(proof) 1187 4812 w
(of) 1434 4812 w
(concept,) 1548 4812 w
10 /Courier f
(hubfs) 1914 4812 w
10 /Times-Roman f
(was) 2245 4812 w
(used) 2431 4812 w
(to) 2645 4812 w
(create) 2754 4812 w
(a) 3022 4812 w
(4) 3098 4812 w
(machine) 3180 4812 w
(encrypt/decrypt) 3550 4812 w
(pipeline.) 4208 4812 w
(Machine) 4587 4812 w
(A) 4968 4812 w
(hosted) 720 4932 w
(a) 1011 4932 w
10 /Courier f
(hubfs) 1085 4932 w
10 /Times-Roman f
(and) 1415 4932 w
(created) 1589 4932 w
(the) 1906 4932 w
(extra) 2058 4932 w
(hubfiles) 2287 4932 w
10 /Courier f
(encin) 2639 4932 w
(encout) 2969 4932 w
(decout.) 3359 4932 w
10 /Times-Roman f
(Machine) 3808 4932 w
(B) 4186 4932 w
(then) 4282 4932 w
(both) 4483 4932 w
(mounted) 4690 4932 w
(the fs and attached to it, and began running) 720 5052 w
(auth/aescbc \255e </n/aes/encin >>/n/aes/encout) 1080 5232 w
(Machine B mounted the hubfs, attached a local shell, and began running) 970 5448 w
(auth/aescbc \255d </n/aes/encout >>/n/aes/decout) 1080 5628 w
(Machine) 970 5844 w
(D) 1345 5844 w
(mounted) 1443 5844 w
(the) 1819 5844 w
(hubfs) 1967 5844 w
(and) 2215 5844 w
(viewed) 2385 5844 w
(the) 2699 5844 w
(decrypted) 2847 5844 w
(output) 3266 5844 w
(of) 3548 5844 w
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(decout.) 3657 5844 w
10 /Times-Roman f
(Machine) 4103 5844 w
(A) 4478 5844 w
(also) 4576 5844 w
('spied') 4763 5844 w
(on the encrypted channel by watching) 720 5964 w
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(/n/aes/encout) 2261 5964 w
10 /Times-Roman f
(to see the encrypted version of the data.) 3066 5964 w
(As) 970 6120 w
(a) 1109 6120 w
(proof) 1181 6120 w
(of) 1425 6120 w
(concept) 1537 6120 w
(test) 1876 6120 w
(of) 2044 6120 w
(distributed) 2156 6120 w
(grid) 2613 6120 w
(computation) 2803 6120 w
(and) 3332 6120 w
(resiliency) 3505 6120 w
(and) 3922 6120 w
(interactivity) 4095 6120 w
(under) 4607 6120 w
(con\255) 4863 6120 w
(tinuous) 720 6240 w
(load,) 1043 6240 w
(the) 1268 6240 w
(first) 1418 6240 w
(draft) 1607 6240 w
(of) 1823 6240 w
(this) 1934 6240 w
(paper) 2107 6240 w
(was) 2355 6240 w
(written) 2537 6240 w
(simultaneously) 2847 6240 w
(with) 3480 6240 w
(running) 3685 6240 w
(the) 4023 6240 w
(aescbc) 4172 6240 w
(encrypt/decryt) 4464 6240 w
(test.) 720 6360 w
(At) 916 6360 w
(the) 1048 6360 w
(time) 1202 6360 w
(this) 1412 6360 w
(section) 1589 6360 w
(was) 1904 6360 w
(concluded,) 2091 6360 w
(the) 2558 6360 w
(test) 2713 6360 w
(had) 2885 6360 w
(reached) 3062 6360 w
(7560) 3404 6360 w
(cats) 3637 6360 w
(of) 3825 6360 w
10 /Courier f
(/lib/words) 3941 6360 w
10 /Times-Roman f
(through) 4574 6360 w
(the) 4918 6360 w
(encryption) 720 6480 w
(filter,) 1174 6480 w
(while) 1420 6480 w
(simultaneously) 1669 6480 w
(running) 2302 6480 w
10 /Courier f
(ventiprog) 2640 6480 w
10 /Times-Roman f
(to) 3207 6480 w
(mirror) 3312 6480 w
(the) 3594 6480 w
(venti) 3743 6480 w
(data) 3969 6480 w
(and) 4161 6480 w
(maintaining) 4331 6480 w
(addi\255) 4835 6480 w
(tional) 720 6600 w
(persistent) 977 6600 w
10 /Courier f
(hubfs) 1389 6600 w
10 /Times-Roman f
(connections) 1719 6600 w
(to) 2226 6600 w
(all) 2334 6600 w
(local) 2464 6600 w
(and) 2688 6600 w
(remote) 2862 6600 w
(nodes,) 3169 6600 w
(as) 3457 6600 w
(well) 3570 6600 w
(as) 3772 6600 w
(preparing) 3885 6600 w
(this) 4297 6600 w
(document) 4472 6600 w
(and) 4896 6600 w
(using) 720 6720 w
(another) 978 6720 w
(set) 1318 6720 w
(of) 1470 6720 w
(hubs) 1594 6720 w
(for) 1824 6720 w
(persistent) 1981 6720 w
10 /Courier f
(emu) 2405 6720 w
(ircfs) 2625 6720 w
10 /Times-Roman f
(sessions,) 2965 6720 w
(and) 3358 6720 w
(performing) 3542 6720 w
(multiple) 4031 6720 w
(other) 4405 6720 w
(tasks) 4650 6720 w
(dis\255) 4890 6720 w
(tributed across all grid nodes. \() 720 6840 w
10 /Courier f
(contrib/install) 1982 6840 w
10 /Times-Roman f
(font packages,) 2907 6840 w
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(vncv) 3508 6840 w
10 /Times-Roman f
(connection to a linux box, etc.\)) 3773 6840 w
([) 970 6996 w
(The) 1040 6996 w
(test) 1232 6996 w
(was) 1408 6996 w
(briefly) 1601 6996 w
(paused) 1905 6996 w
(with) 2220 6996 w
(no) 2436 6996 w
(errors) 2574 6996 w
(after) 2844 6996 w
(24+) 3064 6996 w
(hours) 3258 6996 w
(of) 3518 6996 w
(continuous) 3639 6996 w
(operation) 4116 6996 w
(and) 4531 6996 w
(8gb+) 4713 6996 w
(of) 4957 6996 w
(cumulative) 720 7116 w
(data) 1194 7116 w
(written) 1390 7116 w
(through) 1703 7116 w
(to) 2044 7116 w
(take) 2152 7116 w
(a) 2348 7116 w
(few) 2422 7116 w
(snapshots) 2601 7116 w
(of) 3020 7116 w
(the) 3133 7116 w
(state) 3285 7116 w
(of) 3498 7116 w
(hubs.) 3610 7116 w
(The) 3853 7116 w
(test) 4037 7116 w
(was) 4205 7116 w
(stopped) 4389 7116 w
(after) 4729 7116 w
(35) 4940 7116 w
(hours with no errors and 12314 loops and the data saved. ]) 720 7236 w
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(VI.) 720 840 w
(The) 886 840 w
(sum) 1083 840 w
(of) 1291 840 w
(the) 1404 840 w
(parts:) 1567 840 w
(A) 1852 840 w
(case) 1954 840 w
(study) 2162 840 w
(in) 2427 840 w
(creating) 2542 840 w
(an) 2922 840 w
(always) 3059 840 w
(available) 3379 840 w
(data) 3794 840 w
(environment) 4014 840 w
(on) 4589 840 w
(a) 4726 840 w
(home) 4807 840 w
(grid) 720 960 w
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(I) 970 1116 w
(run) 1030 1116 w
(my) 1190 1116 w
(kernel) 1345 1116 w
(and) 1622 1116 w
(tools) 1794 1116 w
(on) 2017 1116 w
(all) 2145 1116 w
(of) 2273 1116 w
(my) 2384 1116 w
(systems) 2540 1116 w
(except) 2885 1116 w
(those) 3173 1116 w
(which) 3412 1116 w
(run) 3684 1116 w
(9front,) 3845 1116 w
(because) 4142 1116 w
(I) 4485 1116 w
(have) 4546 1116 w
(not) 4762 1116 w
(yet) 4918 1116 w
(studied) 720 1236 w
(how) 1039 1236 w
(to) 1241 1236 w
(adapt) 1349 1236 w
(my) 1595 1236 w
(modifications) 1753 1236 w
(for) 2333 1236 w
(that) 2479 1236 w
(distribution.) 2659 1236 w
(Here) 3176 1236 w
(is) 3399 1236 w
(a) 3496 1236 w
(description) 3570 1236 w
(of) 4044 1236 w
(how) 4156 1236 w
(my) 4357 1236 w
(grid) 4514 1236 w
(is) 4704 1236 w
(set) 4800 1236 w
(up) 4940 1236 w
(and how the tools described above fit together to give me the properties I want.) 720 1356 w
(The) 970 1512 w
(main) 1159 1512 w
(leg) 1393 1512 w
(of) 1549 1512 w
(services) 1666 1512 w
(is) 2021 1512 w
(a) 2122 1512 w
(native) 2200 1512 w
(venti,) 2478 1512 w
(native) 2737 1512 w
(fossil,) 3016 1512 w
(and) 3293 1512 w
(native) 3472 1512 w
(tcp) 3751 1512 w
(boot) 3908 1512 w
(cpu) 4121 1512 w
(each) 4300 1512 w
(as) 4517 1512 w
(a) 4635 1512 w
(separate) 4714 1512 w
(box.) 720 1632 w
(All) 937 1632 w
(run) 1107 1632 w
(the) 1282 1632 w
(rootless) 1446 1632 w
(kernel) 1799 1632 w
(and) 2090 1632 w
(launch) 2276 1632 w
(their) 2584 1632 w
(services) 2809 1632 w
(from) 3172 1632 w
(the) 3407 1632 w
(rootless) 3570 1632 w
(environment,) 3922 1632 w
(which) 4493 1632 w
(I) 4778 1632 w
(have) 4852 1632 w
10 /Courier f
(cpu/rx) 720 1752 w
10 /Times-Roman f
(access to on each, independent of any other boxes status or activity.) 1105 1752 w
(The) 970 1908 w
(primary) 1151 1908 w
(backup) 1493 1908 w
(leg) 1807 1908 w
(of) 1955 1908 w
(services) 2064 1908 w
(is) 2411 1908 w
(provided) 2505 1908 w
(by) 2887 1908 w
(a) 3014 1908 w
(single) 3085 1908 w
(linux) 3351 1908 w
(box) 3584 1908 w
(running) 3761 1908 w
(a) 4099 1908 w
(p9p) 4170 1908 w
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(venti) 4347 1908 w
10 /Times-Roman f
(duplicate) 4674 1908 w
(and) 720 2028 w
(qemu) 893 2028 w
(fossil/cpu) 1144 2028 w
(servers) 1562 2028 w
(on) 1873 2028 w
(demand.) 2002 2028 w
(This) 2371 2028 w
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(venti) 2577 2028 w
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(is) 2905 2028 w
(constantly) 3000 2028 w
(progressively) 3439 2028 w
(backed) 4005 2028 w
(up) 4315 2028 w
(from) 4443 2028 w
(the) 4665 2028 w
(main,) 4815 2028 w
(and) 720 2148 w
(the) 895 2148 w
(qemu) 1048 2148 w
(fossils) 1301 2148 w
(are) 1588 2148 w
(frequently) 1740 2148 w
10 /Courier f
(cpsys) 2181 2148 w
10 /Times-Roman f
(refreshed) 2512 2148 w
(to) 2913 2148 w
(a) 3022 2148 w
(current) 3097 2148 w
(rootscore.) 3411 2148 w
(If) 3839 2148 w
(the) 3937 2148 w
(main) 4091 2148 w
(leg) 4323 2148 w
(has) 4477 2148 w
(trouble) 4642 2148 w
(or) 4957 2148 w
(needs) 720 2268 w
(to) 973 2268 w
(be) 1077 2268 w
(rebooted) 1197 2268 w
(for) 1572 2268 w
(reasons) 1714 2268 w
(like) 2039 2268 w
(a) 2215 2268 w
(kernel) 2285 2268 w
(upgrade,) 2560 2268 w
(I) 2932 2268 w
(continue) 2991 2268 w
(working) 3361 2268 w
(via) 3720 2268 w
(this) 3868 2268 w
(p9p) 4039 2268 w
10 /Courier f
(venti) 4214 2268 w
10 /Times-Roman f
(and attached) 4539 2268 w
(qemus. They are) 720 2388 w
(also) 1408 2388 w
(always) 1595 2388 w
(available) 1898 2388 w
(as) 2284 2388 w
(part) 2393 2388 w
(of) 2574 2388 w
(my) 2683 2388 w
(normal) 2837 2388 w
(environment,) 3146 2388 w
(not) 3702 2388 w
(simply) 3856 2388 w
(as) 4155 2388 w
(emergency) 4264 2388 w
(backup.) 4727 2388 w
(I) 720 2508 w
(often) 780 2508 w
(keep) 1012 2508 w
(the) 1226 2508 w
(qemus) 1374 2508 w
(tcp) 1661 2508 w
(rooted) 1809 2508 w
(to) 2090 2508 w
(the) 2194 2508 w
(main) 2342 2508 w
(file) 2568 2508 w
(server,) 2727 2508 w
(but) 3021 2508 w
(they) 3175 2508 w
(can) 3373 2508 w
(start) 3537 2508 w
(a) 3735 2508 w
(fossil) 3805 2508 w
(rooted) 4048 2508 w
(from) 4329 2508 w
(the) 4549 2508 w
(alternate) 4697 2508 w
(venti at any moment to provide a copy of my root.) 720 2628 w
(Additional) 970 2784 w
(remote) 1435 2784 w
(nodes) 1749 2784 w
(are) 2019 2784 w
(hosted) 2177 2784 w
(on) 2475 2784 w
(9cloud) 2612 2784 w
(and) 2921 2784 w
(are) 3102 2784 w
(another) 3260 2784 w
("rootless) 3596 2784 w
(labs") 3985 2784 w
(instance) 4224 2784 w
(and) 4589 2784 w
(9front.) 4771 2784 w
(There) 720 2904 w
(nodes) 987 2904 w
(are) 1255 2904 w
(integrated) 1411 2904 w
(primarily) 1845 2904 w
(via) 2252 2904 w
10 /Courier f
(hubfs.) 2409 2904 w
10 /Times-Roman f
(The) 2804 2904 w
(labs) 2994 2904 w
(node) 3190 2904 w
(hosts) 3419 2904 w
(a) 3660 2904 w
(hub) 3739 2904 w
(which) 3924 2904 w
(is) 4203 2904 w
(then) 4305 2904 w
(mounted) 4512 2904 w
(and) 4896 2904 w
(attached) 720 3024 w
(to) 1082 3024 w
(from) 1190 3024 w
(within) 1415 3024 w
(the) 1702 3024 w
(main) 1855 3024 w
(local) 2086 3024 w
(hub,) 2311 3024 w
(so) 2517 3024 w
(it) 2637 3024 w
(is) 2724 3024 w
(a) 2822 3024 w
(hub) 2897 3024 w
(to) 3078 3024 w
(hub) 3187 3024 w
(linkup) 3368 3024 w
(between) 3655 3024 w
(the) 4018 3024 w
(local) 4171 3024 w
(and) 4396 3024 w
(remote) 4571 3024 w
(sys\255) 4879 3024 w
(tems.) 720 3144 w
(This) 969 3144 w
(allows) 1182 3144 w
(the) 1478 3144 w
(local) 1635 3144 w
(and) 1863 3144 w
(remote) 2041 3144 w
(grids) 2352 3144 w
(to) 2586 3144 w
(be) 2698 3144 w
(reset) 2826 3144 w
(independently) 3048 3144 w
(without) 3648 3144 w
(disrupting) 3988 3144 w
(the) 4428 3144 w
(state) 4584 3144 w
(of) 4801 3144 w
(the) 4918 3144 w
10 /Courier f
(hubfs) 720 3264 w
10 /Times-Roman f
(and) 1048 3264 w
(shells) 1220 3264 w
(on) 1476 3264 w
(the) 1604 3264 w
(other) 1755 3264 w
(side) 1989 3264 w
(of) 2179 3264 w
(wan.) 2291 3264 w
(A) 2511 3264 w
(final) 2612 3264 w
(wan) 2824 3264 w
(component) 3019 3264 w
(is) 3492 3264 w
(another) 3588 3264 w
(remote) 3916 3264 w
10 /Courier f
(venti) 4222 3264 w
10 /Times-Roman f
(clone) 4551 3264 w
(which) 4796 3264 w
(also receives a steady flow of progressive backup and stores the current list of rootscores.) 720 3384 w
(The) 970 3540 w
(main) 1160 3540 w
(native) 1395 3540 w
(cpu) 1674 3540 w
(server) 1853 3540 w
(is) 2131 3540 w
(the) 2233 3540 w
(primary) 2390 3540 w
10 /Courier f
(hubfs) 2742 3540 w
10 /Times-Roman f
(server,) 3078 3540 w
(with) 3382 3540 w
(an) 3596 3540 w
10 /Courier f
(import) 3726 3540 w
(\255a) 4122 3540 w
10 /Times-Roman f
(of) 4278 3540 w
(its) 4397 3540 w
10 /Courier f
(/srv) 4528 3540 w
10 /Times-Roman f
(in) 4804 3540 w
(the) 4918 3540 w
(standard) 720 3660 w
(user) 1085 3660 w
(profile.) 1278 3660 w
(This) 1596 3660 w
(puts) 1801 3660 w
(its) 1995 3660 w
10 /Courier f
(hubfs) 2117 3660 w
10 /Times-Roman f
(as) 2444 3660 w
(the) 2554 3660 w
(default) 2703 3660 w
10 /Courier f
(hubfs) 3007 3660 w
10 /Times-Roman f
(opened) 3334 3660 w
(by) 3649 3660 w
10 /Courier f
(grio) 3775 3660 w
10 /Times-Roman f
(,) 4041 3660 w
(allowing) 4092 3660 w
(each) 4468 3660 w
(cpu) 4676 3660 w
(node) 4846 3660 w
(to) 720 3780 w
(provide) 829 3780 w
(access) 1165 3780 w
(to) 1450 3780 w
(a) 1560 3780 w
(common) 1636 3780 w
(set) 2018 3780 w
(of) 2161 3780 w
(hubs.) 2276 3780 w
(Each) 2522 3780 w
(machine) 2753 3780 w
(exports) 3123 3780 w
(a) 3449 3780 w
(shell) 3525 3780 w
(to) 3746 3780 w
(the) 3856 3780 w
(hubserver) 4010 3780 w
(so) 4435 3780 w
(I) 4556 3780 w
(can) 4621 3780 w
(sweep) 4791 3780 w
(open) 720 3900 w
(a) 946 3900 w
(new) 1022 3900 w
(Hub) 1220 3900 w
(window) 1424 3900 w
(and) 1778 3900 w
(easily) 1954 3900 w
(switch) 2219 3900 w
(to) 2512 3900 w
(a) 2622 3900 w
(persistent) 2697 3900 w
(shell) 3111 3900 w
(on) 3331 3900 w
(any) 3462 3900 w
(node.) 3637 3900 w
(A) 3887 3900 w
(separate) 3990 3900 w
10 /Courier f
(hubfs) 4347 3900 w
10 /Times-Roman f
(is) 4678 3900 w
(run) 4776 3900 w
(by) 4940 3900 w
(the) 720 4020 w
(hostowner) 877 4020 w
(as) 1328 4020 w
(part) 1446 4020 w
(of) 1636 4020 w
(the) 1754 4020 w
(standard) 1911 4020 w
10 /Courier f
(initskel) 2284 4020 w
10 /Times-Roman f
(script.) 2799 4020 w
10 /Courier f
(Hubfs) 3081 4020 w
10 /Times-Roman f
(is) 3417 4020 w
(also) 3520 4020 w
(used) 3717 4020 w
(to) 3936 4020 w
(hold) 4050 4020 w
(the) 4264 4020 w
10 /Courier f
(emu) 4422 4020 w
10 /Times-Roman f
(client) 4638 4020 w
(and) 4896 4020 w
(server for) 720 4140 w
10 /Courier f
(ircfs) 1129 4140 w
10 /Times-Roman f
(or for) 1454 4140 w
10 /Courier f
(irc7) 1703 4140 w
10 /Times-Roman f
(and general inter\255machine datasharing when needed.) 1968 4140 w
(The) 970 4296 w
(user) 1154 4296 w
(terminal) 1349 4296 w
(is) 1711 4296 w
(a) 1807 4296 w
(native) 1880 4296 w
(9front) 2153 4296 w
(machine,) 2426 4296 w
(but) 2818 4296 w
(the) 2975 4296 w
(user) 3127 4296 w
(environment) 3323 4296 w
(is) 3858 4296 w
(always) 3955 4296 w
(built) 4262 4296 w
(from) 4476 4296 w
(grid) 4700 4296 w
(ser\255) 4891 4296 w
(vices) 720 4416 w
(with) 951 4416 w
(the) 1155 4416 w
(terminal) 1303 4416 w
(functioning) 1662 4416 w
(as) 2149 4416 w
(just) 2258 4416 w
(that.) 2429 4416 w
(The) 2630 4416 w
(main) 2811 4416 w
(resources) 3037 4416 w
(in) 3439 4416 w
(the) 3543 4416 w
(namespace) 3691 4416 w
(are) 4154 4416 w
(the) 4301 4416 w
(two) 4449 4416 w
(local) 4625 4416 w
(CPU) 4845 4416 w
(servers,) 720 4536 w
(which) 1075 4536 w
(act) 1367 4536 w
(as) 1531 4536 w
(the) 1662 4536 w
(central) 1832 4536 w
(junctions) 2151 4536 w
(by) 2566 4536 w
(running) 2714 4536 w
(applications,) 3073 4536 w
(mounting) 3630 4536 w
(fileservers,) 4063 4536 w
(and) 4552 4536 w
(hosting) 4745 4536 w
10 /Courier f
(hubfs.) 720 4656 w
10 /Times-Roman f
(The) 1108 4656 w
(native) 1291 4656 w
(cpu's) 1563 4656 w
10 /Courier f
(/srv) 1807 4656 w
10 /Times-Roman f
(acts) 2075 4656 w
(as) 2258 4656 w
(the) 2369 4656 w
(primary) 2519 4656 w
(focal) 2863 4656 w
(point) 3090 4656 w
(for) 3323 4656 w
(integrating) 3466 4656 w
(and) 3926 4656 w
(accessing) 4097 4656 w
(grid) 4506 4656 w
(services.) 4694 4656 w
(All) 720 4776 w
(grid) 881 4776 w
(nodes) 1075 4776 w
(except) 1341 4776 w
10 /Courier f
(venti) 1634 4776 w
10 /Times-Roman f
(and) 1967 4776 w
(auth) 2144 4776 w
(provide) 2349 4776 w
10 /Courier f
(exportfs) 2688 4776 w
10 /Times-Roman f
(so) 3202 4776 w
10 /Courier f
(/srv) 3325 4776 w
10 /Times-Roman f
(and) 3599 4776 w
10 /Courier f
(/proc) 3777 4776 w
10 /Times-Roman f
(of) 4111 4776 w
(almost) 4228 4776 w
(all) 4529 4776 w
(machines) 4663 4776 w
(can) 720 4896 w
(be) 887 4896 w
(accessed) 1010 4896 w
(as) 1387 4896 w
(needed.) 1499 4896 w
(The) 1835 4896 w
(writable) 2019 4896 w
10 /Courier f
(proc/*/ns) 2375 4896 w
10 /Times-Roman f
(mod) 2944 4896 w
(makes) 3151 4896 w
(importing) 3435 4896 w
10 /Courier f
(/proc) 3859 4896 w
10 /Times-Roman f
(an) 4187 4896 w
(even) 4309 4896 w
(more) 4525 4896 w
(power\255) 4758 4896 w
(ful) 720 5016 w
(and) 857 5016 w
(flexible) 1027 5016 w
(operation) 1358 5016 w
(for) 1761 5016 w
(controlling) 1903 5016 w
(remote) 2368 5016 w
(resources.) 2671 5016 w
(Being) 3099 5016 w
(able) 3365 5016 w
(to) 3558 5016 w
10 /Courier f
(cpns) 3663 5016 w
10 /Times-Roman f
(to) 3930 5016 w
(rewrite) 4035 5016 w
(the) 4344 5016 w
(namespace) 4493 5016 w
(of) 4957 5016 w
(remote) 720 5136 w
(processes) 1023 5136 w
(allows) 1431 5136 w
(for) 1718 5136 w
(server) 1860 5136 w
(processes) 2129 5136 w
(to) 2537 5136 w
(be) 2641 5136 w
(rebound to new services or namespaces as they are avail\255) 2761 5136 w
(able.) 720 5256 w
(My) 970 5412 w
(data) 1146 5412 w
(is) 1349 5412 w
(replicated) 1453 5412 w
(constantly) 1883 5412 w
(with) 2331 5412 w
10 /Courier f
(ventiprog) 2546 5412 w
10 /Times-Roman f
(,) 3123 5412 w
(and) 3185 5412 w
(I) 3366 5412 w
(can) 3437 5412 w
(instantly) 3613 5412 w
(create) 3996 5412 w
(new) 4271 5412 w
(writable) 4475 5412 w
(roots) 4840 5412 w
(with) 720 5532 w
10 /Courier f
(cpsys.) 926 5532 w
10 /Times-Roman f
(From) 1314 5532 w
(any) 1558 5532 w
(namespace) 1729 5532 w
(on) 2193 5532 w
(the) 2320 5532 w
(grid,) 2469 5532 w
(I) 2682 5532 w
(can) 2742 5532 w
10 /Courier f
(rerootwin) 2907 5532 w
10 /Times-Roman f
(to) 3474 5532 w
(a) 3579 5532 w
(new) 3650 5532 w
(root) 3843 5532 w
(and) 4031 5532 w
(still) 4202 5532 w
(maintain) 4380 5532 w
(control) 4757 5532 w
(with) 720 5652 w
(my) 926 5652 w
(active) 1082 5652 w
(devices) 1348 5652 w
(and) 1675 5652 w
(window) 1847 5652 w
(system.) 2197 5652 w
(If) 2528 5652 w
(any) 2623 5652 w
(node) 2796 5652 w
(has) 3019 5652 w
(trouble,) 3181 5652 w
(I) 3518 5652 w
(can) 3580 5652 w
10 /Courier f
(cpu) 3747 5652 w
10 /Times-Roman f
(into) 3956 5652 w
(the) 4141 5652 w
(service) 4292 5652 w
(namespace) 4603 5652 w
(with) 720 5772 w
(no) 926 5772 w
(dependencies) 1054 5772 w
(on) 1619 5772 w
(other) 1747 5772 w
(services) 1980 5772 w
(to) 2329 5772 w
(repair) 2435 5772 w
(or) 2694 5772 w
(reset) 2804 5772 w
(the) 3019 5772 w
(node.) 3168 5772 w
(Any) 3414 5772 w
(textual) 3613 5772 w
(application) 3912 5772 w
(on) 4383 5772 w
(any) 4510 5772 w
(node) 4681 5772 w
(can) 4902 5772 w
(be) 720 5892 w
(persisted) 842 5892 w
(with) 1225 5892 w
10 /Courier f
(hubfs) 1431 5892 w
10 /Times-Roman f
(to) 1759 5892 w
(keep) 1865 5892 w
(it) 2081 5892 w
(active,) 2165 5892 w
(out) 2457 5892 w
(of) 2614 5892 w
(the) 2726 5892 w
(way) 2877 5892 w
(but) 3072 5892 w
(available) 3229 5892 w
(for) 3618 5892 w
(interaction) 3763 5892 w
(if) 4219 5892 w
(needed,) 4309 5892 w
(and) 4645 5892 w
(hubfs) 4818 5892 w
(also can be used for distributed processing although I don't personally need to crunch many numbers.) 720 6012 w
(All) 970 6168 w
(grid) 1126 6168 w
(services) 1315 6168 w
(are) 1664 6168 w
('hot) 1813 6168 w
(pluggable') 2002 6168 w
(and) 2458 6168 w
(I) 2631 6168 w
(can) 2693 6168 w
(keep) 2860 6168 w
(working) 3077 6168 w
(with) 3439 6168 w
(my) 3646 6168 w
(current) 3803 6168 w
(data) 4114 6168 w
(if) 4309 6168 w
(I) 4399 6168 w
(need) 4461 6168 w
(to) 4678 6168 w
(reboot) 4785 6168 w
(some) 720 6288 w
(machines) 961 6288 w
(to) 1368 6288 w
(upgrade) 1475 6288 w
(their) 1825 6288 w
(kernels) 2037 6288 w
(or) 2354 6288 w
(just) 2466 6288 w
(want) 2640 6288 w
(to) 2863 6288 w
(turn) 2970 6288 w
(them) 3160 6288 w
(off.) 3389 6288 w
(All) 3559 6288 w
(my) 3716 6288 w
(services) 3873 6288 w
(are) 4223 6288 w
(constantly) 4373 6288 w
(avail\255) 4813 6288 w
(able) 720 6408 w
(and) 912 6408 w
(my) 1082 6408 w
(namespace) 1236 6408 w
(has) 1699 6408 w
(no) 1858 6408 w
(extra) 1984 6408 w
(dependencies) 2209 6408 w
(on) 2772 6408 w
(services) 2898 6408 w
(it) 3246 6408 w
(isn't) 3329 6408 w
(making) 3534 6408 w
(use) 3861 6408 w
(of.) 4021 6408 w
(Cpus) 4156 6408 w
(act) 4389 6408 w
(as) 4532 6408 w
(true) 4642 6408 w
('plat\255) 4824 6408 w
(forms') 720 6528 w
(to) 1013 6528 w
(build) 1118 6528 w
(namespaces) 1351 6528 w
(because) 1854 6528 w
(the) 2196 6528 w
(user) 2345 6528 w
(can) 2538 6528 w
(work) 2702 6528 w
(within) 2933 6528 w
(the) 3215 6528 w
(service) 3363 6528 w
(environment) 3671 6528 w
(and) 4202 6528 w
(freely) 4372 6528 w
(climb) 4630 6528 w
(into) 4884 6528 w
(any root with) 720 6648 w
10 /Courier f
(rerootwin.) 1278 6648 w
10 /Times-Roman f
(All) 970 6804 w
(of) 1136 6804 w
(these) 1257 6804 w
(properties) 1500 6804 w
(are) 1937 6804 w
(based) 2096 6804 w
(firmly) 2361 6804 w
(on) 2649 6804 w
(the) 2787 6804 w
(simple) 2947 6804 w
(core) 3252 6804 w
(of) 3461 6804 w
(Plan) 3582 6804 w
(9) 3799 6804 w
(\255) 3888 6804 w
(user) 3960 6804 w
(definable) 4165 6804 w
(per) 4575 6804 w
(process) 4741 6804 w
(namespaces,) 720 6924 w
(network) 1252 6924 w
(transparency,) 1610 6924 w
(and) 2175 6924 w
(simple) 2350 6924 w
(file) 2648 6924 w
(access) 2812 6924 w
(as) 3097 6924 w
(the) 3210 6924 w
(primary) 3362 6924 w
(abstraction.) 3708 6924 w
(The) 4201 6924 w
(reconfigurations) 4386 6924 w
(from) 720 7044 w
(the) 941 7044 w
(standard) 1090 7044 w
(system) 1455 7044 w
(are) 1760 7044 w
(intended) 1908 7044 w
(to) 2279 7044 w
(focus) 2384 7044 w
(and) 2627 7044 w
(leverage) 2798 7044 w
(these) 3162 7044 w
(design) 3394 7044 w
(aspects) 3682 7044 w
(of) 3998 7044 w
(the) 4109 7044 w
(system.) 4259 7044 w
(I) 4590 7044 w
(am) 4651 7044 w
(trying) 4801 7044 w
(to) 720 7164 w
(extend) 831 7164 w
(Plan) 1130 7164 w
(9) 1341 7164 w
(in) 1424 7164 w
(natural) 1535 7164 w
(directions,) 1845 7164 w
(using) 2297 7164 w
(the) 2547 7164 w
(existing) 2702 7164 w
(code) 3052 7164 w
(as) 3273 7164 w
(much) 3389 7164 w
(as) 3644 7164 w
(possible,) 3760 7164 w
(and) 4145 7164 w
(just) 4321 7164 w
(provide) 4498 7164 w
(addi\255) 4835 7164 w
(tional flexibility and control of the already existing capabilities.) 720 7284 w
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10 pagesetup
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(\255 10 \255) 2772 480 w
10 /Times-Bold f
(Appendix I: The pieces of the toolkit and how they serve the design goals:) 720 840 w
12 /Times-Roman f
(bootup kernel) 970 996 w
(mods, plan9rc, initskel, bootpaq, tools.tgz) 1664 996 w
10 /Times-Roman f
(These) 970 1152 w
(create) 1240 1152 w
(a) 1509 1152 w
(more) 1585 1152 w
(flexible) 1822 1152 w
(platform) 2159 1152 w
(for) 2536 1152 w
(namespace) 2685 1152 w
(operations,) 3155 1152 w
(and) 3629 1152 w
(remove) 3806 1152 w
(the) 4138 1152 w
(dependency) 4293 1152 w
(of) 4802 1152 w
(the) 4918 1152 w
(kernel on external services. They create a functional environment that acts as a minimal cpu server, and also) 720 1272 w
(can) 720 1392 w
(launch) 897 1392 w
(standard) 1202 1392 w
(environments) 1579 1392 w
(with) 2162 1392 w
(a) 2379 1392 w
(normal) 2463 1392 w
10 /Courier f
(cpurc) 2786 1392 w
10 /Times-Roman f
(or) 3126 1392 w
10 /Courier f
(termrc.) 3249 1392 w
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(The) 3709 1392 w
(bootup) 3904 1392 w
(process) 4222 1392 w
(may) 4561 1392 w
(be) 4773 1392 w
(left) 4907 1392 w
(almost) 720 1512 w
(unchanged) 1021 1512 w
(in) 1487 1512 w
(terms) 1599 1512 w
(of) 1855 1512 w
(user) 1972 1512 w
(visible) 2172 1512 w
(interaction,) 2473 1512 w
(but) 2959 1512 w
(the) 3121 1512 w
(pre\255existing) 3277 1512 w
(installation) 3788 1512 w
(now) 4267 1512 w
(co\255exists) 4473 1512 w
(with) 4862 1512 w
(the new boot "service/namespace hypervisor" layer.) 720 1632 w
12 /Times-Roman f
(rerootwin, addwrroot, hubfs, savedevs/getdevs:) 970 1788 w
10 /Times-Roman f
(These) 970 1944 w
(allow) 1234 1944 w
(the) 1482 1944 w
(user) 1631 1944 w
(to) 1824 1944 w
(navigate) 1929 1944 w
(namespaces) 2294 1944 w
(easily,) 2797 1944 w
(to) 3082 1944 w
(attach) 3187 1944 w
(to) 3452 1944 w
(new) 3557 1944 w
(roots,) 3750 1944 w
(to) 4002 1944 w
("save") 4107 1944 w
(namespaces) 4393 1944 w
(and) 4896 1944 w
(shells) 720 2064 w
(for) 976 2064 w
(later) 1120 2064 w
(use) 1325 2064 w
(in) 1486 2064 w
10 /Courier f
(hubfs) 1592 2064 w
10 /Times-Roman f
(,) 1920 2064 w
(and) 1973 2064 w
(to) 2145 2064 w
(keep) 2251 2064 w
(control) 2467 2064 w
(of) 2778 2064 w
(their) 2889 2064 w
(current) 3100 2064 w
(devices) 3410 2064 w
(and) 3737 2064 w
(window) 3909 2064 w
(system) 4258 2064 w
(while) 4563 2064 w
(doing) 4812 2064 w
(so.) 720 2184 w
(They) 864 2184 w
(are) 1099 2184 w
(necessary) 1250 2184 w
(to) 1667 2184 w
(get) 1775 2184 w
(the) 1927 2184 w
(best) 2079 2184 w
(use) 2270 2184 w
(from) 2433 2184 w
(the) 2658 2184 w
(rootless) 2811 2184 w
(environment,) 3153 2184 w
(but) 3714 2184 w
(they) 3873 2184 w
(are) 4076 2184 w
(not) 4228 2184 w
(dependent) 4387 2184 w
(on) 4828 2184 w
(it.) 4959 2184 w
(These namespaces control tools may be useful even without any changes to the kernel or boot process.) 720 2304 w
12 /Times-Roman f
(writable) 970 2460 w
(proc/*/ns, cpns, addns, subns:) 1394 2460 w
10 /Times-Roman f
(This) 970 2616 w
(kernel) 1179 2616 w
(mod) 1459 2616 w
(extends) 1668 2616 w
(the) 2004 2616 w
(power) 2157 2616 w
(of) 2437 2616 w
10 /Courier f
(/proc) 2551 2616 w
10 /Times-Roman f
(to) 2883 2616 w
(modify) 2993 2616 w
(the) 3314 2616 w
(namespace) 3468 2616 w
(of) 3937 2616 w
(any) 4052 2616 w
(processes) 4228 2616 w
(owned) 4642 2616 w
(by) 4940 2616 w
(the) 720 2736 w
(user,) 872 2736 w
(on) 1093 2736 w
(local) 1223 2736 w
(or) 1447 2736 w
(remote) 1560 2736 w
(machines,) 1867 2736 w
(simply) 2299 2736 w
(by) 2602 2736 w
(writing) 2732 2736 w
(the) 3051 2736 w
(same) 3203 2736 w
(text) 3438 2736 w
(string) 3618 2736 w
(to) 3876 2736 w
(the) 3984 2736 w
(ns) 4136 2736 w
(file) 4255 2736 w
(of) 4418 2736 w
(the) 4531 2736 w
(proc) 4683 2736 w
(that) 4890 2736 w
(would) 720 2856 w
(be) 1002 2856 w
(written) 1128 2856 w
(in) 1443 2856 w
(a) 1553 2856 w
(shell.) 1629 2856 w
(This) 1875 2856 w
(mod) 2085 2856 w
(is) 2295 2856 w
(very) 2394 2856 w
(general) 2604 2856 w
(and) 2930 2856 w
(powerful,) 3107 2856 w
(but) 3525 2856 w
(only) 3686 2856 w
10 /Courier f
(cpns) 3897 2856 w
10 /Times-Roman f
(and) 4170 2856 w
(its) 4347 2856 w
(related) 4475 2856 w
(scripts) 4779 2856 w
(directly) 720 2976 w
(depend) 1052 2976 w
(on) 1367 2976 w
(it.) 1494 2976 w
(I) 1602 2976 w
(believe) 1662 2976 w
(being) 1977 2976 w
(able) 2226 2976 w
(to) 2419 2976 w
(do) 2524 2976 w
(these) 2651 2976 w
(namespace) 2883 2976 w
(operations) 3347 2976 w
(is) 3790 2976 w
(a) 3884 2976 w
(good) 3955 2976 w
(part) 4182 2976 w
(of) 4364 2976 w
(Plan) 4474 2976 w
(9) 4678 2976 w
(design,) 4754 2976 w
(but) 720 3096 w
(the) 879 3096 w
(other) 1032 3096 w
(pieces) 1268 3096 w
(of) 1549 3096 w
(the) 1664 3096 w
(toolkit) 1818 3096 w
(are) 2112 3096 w
(not) 2265 3096 w
(written) 2425 3096 w
(requiring) 2740 3096 w
(this) 3138 3096 w
(mod.) 3315 3096 w
(The) 3550 3096 w
(bootup) 3737 3096 w
(sequence) 4047 3096 w
(and) 4444 3096 w
10 /Courier f
(plan9rc) 4620 3096 w
10 /Times-Roman f
(modifications are separable.) 720 3216 w
12 /Times-Roman f
(ventiprog, cpsys, fossilize, /n/9fat/rootscor:) 970 3372 w
10 /Times-Roman f
(These scripts are written to help make use of the existing) 970 3528 w
10 /Courier f
(fossil) 3269 3528 w
10 /Times-Roman f
(and) 3654 3528 w
10 /Courier f
(venti) 3823 3528 w
10 /Times-Roman f
(tools to improve) 4148 3528 w
(relia\255) 4830 3528 w
(bility) 720 3648 w
(and) 958 3648 w
(let) 1128 3648 w
(enable) 1254 3648 w
(easy) 1540 3648 w
(cloning) 1743 3648 w
(of) 2069 3648 w
(root) 2178 3648 w
(filesystems and preservation of rootscores. If) 2365 3648 w
10 /Courier f
(venti) 4186 3648 w
10 /Times-Roman f
(and) 4511 3648 w
10 /Courier f
(fossil) 4680 3648 w
10 /Times-Roman f
(are) 720 3768 w
(being) 867 3768 w
(used,) 1115 3768 w
(I) 1349 3768 w
(believe) 1408 3768 w
(these) 1722 3768 w
(tools) 1953 3768 w
(are) 2174 3768 w
(at) 2321 3768 w
(least) 2419 3768 w
(a) 2628 3768 w
(good) 2698 3768 w
(model) 2924 3768 w
(for) 3200 3768 w
(how) 3342 3768 w
(to) 3540 3768 w
(manage) 3644 3768 w
(them.) 3981 3768 w
(There) 4233 3768 w
(is) 4492 3768 w
(no) 4586 3768 w
(inherent) 4713 3768 w
(dependency) 720 3888 w
(on) 1224 3888 w
(the) 1352 3888 w
(rest) 1502 3888 w
(of) 1674 3888 w
(the) 1785 3888 w
(tools) 1935 3888 w
(on) 2158 3888 w
10 /Courier f
(venti) 2286 3888 w
10 /Times-Roman f
(or) 2614 3888 w
10 /Courier f
(fossil) 2725 3888 w
10 /Times-Roman f
(,) 3113 3888 w
(but) 3166 3888 w
(the) 3322 3888 w
(ability) 3472 3888 w
(of) 3756 3888 w
10 /Courier f
(fossil) 3867 3888 w
10 /Times-Roman f
(to) 4255 3888 w
(instantly) 4360 3888 w
(create) 4732 3888 w
(a) 4996 3888 w
(new) 720 4008 w
(root) 923 4008 w
(with) 1121 4008 w
10 /Courier f
(flfmt) 1336 4008 w
(\255v) 1674 4008 w
10 /Times-Roman f
(is) 1832 4008 w
(a) 1937 4008 w
(powerful) 2019 4008 w
(tool) 2417 4008 w
(and) 2611 4008 w
(many) 2793 4008 w
(of) 3053 4008 w
(my) 3174 4008 w
(workflows) 3340 4008 w
(are) 3805 4008 w
(built) 3964 4008 w
(upon) 4186 4008 w
(it.) 4424 4008 w
(The) 4543 4008 w
(flow) 4736 4008 w
(of) 4957 4008 w
10 /Courier f
(flfmt) 720 4128 w
(\255v) 1048 4128 w
10 /Times-Roman f
(,) 1196 4128 w
10 /Courier f
(fossilstart) 1248 4128 w
10 /Times-Roman f
(,) 1935 4128 w
10 /Courier f
(rerootwin) 1987 4128 w
10 /Times-Roman f
(into) 2554 4128 w
(the) 2737 4128 w
(new) 2886 4128 w
(fossil) 3079 4128 w
(can) 3323 4128 w
(be) 3488 4128 w
(done) 3609 4128 w
(in) 3830 4128 w
(a) 3935 4128 w
(few) 4006 4128 w
(seconds) 4182 4128 w
(and) 4525 4128 w
(provides) 4696 4128 w
(a new interactive root environment that 'flows' directly from the old one without eliminating it.) 720 4248 w
12 /Times-Roman f
(hubfs, grio:) 970 4404 w
10 /Courier f
(Hubfs) 970 4560 w
10 /Times-Roman f
(is) 1298 4560 w
(listed) 1393 4560 w
(again) 1638 4560 w
(because) 1882 4560 w
(it) 2225 4560 w
(is) 2309 4560 w
(also) 2404 4560 w
(part) 2593 4560 w
(of) 2776 4560 w
(the) 2887 4560 w
(upper) 3037 4560 w
(user) 3292 4560 w
(interface) 3486 4560 w
(layer) 3863 4560 w
(in) 4091 4560 w
(addition) 4198 4560 w
(to) 4555 4560 w
(the) 4662 4560 w
(lower) 4813 4560 w
(network) 720 4680 w
(piping) 1085 4680 w
(layer.) 1379 4680 w
(The) 1641 4680 w
(user) 1833 4680 w
(can) 2036 4680 w
(work) 2211 4680 w
(easily) 2453 4680 w
(in) 2723 4680 w
(all) 2838 4680 w
(their) 2975 4680 w
(different) 3195 4680 w
(namespaces) 3575 4680 w
(because) 4088 4680 w
10 /Courier f
(grio+hubfs) 4440 4680 w
10 /Times-Roman f
(makes) 720 4800 w
(access) 1009 4800 w
(to) 1297 4800 w
(persistent) 1409 4800 w
(shells) 1826 4800 w
(in) 2088 4800 w
(diverse) 2200 4800 w
(namespaces) 2522 4800 w
(as) 3032 4800 w
(easy) 3149 4800 w
(as) 3361 4800 w
(opening) 3479 4800 w
(a) 3836 4800 w
10 /Courier f
(New) 3915 4800 w
(rc.) 4130 4800 w
10 /Times-Roman f
(The) 4345 4800 w
(color\255setting) 4535 4800 w
(option of) 720 4920 w
10 /Courier f
(grio) 1109 4920 w
10 /Times-Roman f
(also lets the user 'organize' their namespaces by sub\255rios with different colors.) 1374 4920 w
(These components are all separable, but I believe the whole is greater than the sum of the parts and) 970 5076 w
(so) 4951 5076 w
(created) 720 5196 w
(the) 1042 5196 w
(giant) 1198 5196 w
(ANTS) 1432 5196 w
(packages.) 1727 5196 w
(It) 2151 5196 w
(is) 2246 5196 w
(possible) 2347 5196 w
(to) 2709 5196 w
(use) 2821 5196 w
10 /Courier f
(hubfs+grio) 2988 5196 w
10 /Times-Roman f
(without) 3622 5196 w
(changing) 3962 5196 w
(bootup) 4362 5196 w
(or) 4674 5196 w
(name\255) 4791 5196 w
(spaces,) 720 5316 w
(or) 1031 5316 w
(possible) 1140 5316 w
(to) 1494 5316 w
(create) 1598 5316 w
(a) 1861 5316 w
(more) 1931 5316 w
(reliable) 2162 5316 w
(bootup) 2487 5316 w
(and) 2791 5316 w
(independent) 2961 5316 w
(early) 3475 5316 w
(namespace) 3700 5316 w
(without) 4163 5316 w
(using) 4496 5316 w
10 /Courier f
(hubfs) 4740 5316 w
10 /Times-Roman f
(or) 720 5436 w
10 /Courier f
(grio) 833 5436 w
10 /Times-Roman f
(,) 1103 5436 w
(and) 1158 5436 w
(the) 1332 5436 w
(concepts) 1484 5436 w
(of) 1862 5436 w
(the) 1974 5436 w
10 /Courier f
(rerootwin) 2125 5436 w
10 /Times-Roman f
(script) 2694 5436 w
(may) 2945 5436 w
(be) 3146 5436 w
(generally) 3269 5436 w
(useful) 3669 5436 w
(independent) 3942 5436 w
(of) 4459 5436 w
(any) 4571 5436 w
(tools) 4744 5436 w
(at) 4968 5436 w
(all.) 720 5556 w
(The) 874 5556 w
(goal) 1058 5556 w
(is) 1259 5556 w
(to) 1355 5556 w
(provide) 1462 5556 w
(a) 1796 5556 w
(true) 1869 5556 w
(toolkit) 2053 5556 w
(approach) 2344 5556 w
(to) 2738 5556 w
(namespaces) 2845 5556 w
(where) 3350 5556 w
(the) 3622 5556 w
(user) 3773 5556 w
(can) 3969 5556 w
(make) 4137 5556 w
(the) 4383 5556 w
(environment) 4535 5556 w
(that serves them best.) 720 5676 w
10 /Times-Bold f
(Appendix II: Implementation details:) 720 5916 w
10 /Times-Roman f
(Boot mods: the goal is to create a working environment with only kernel resources, roughly speaking.) 970 6072 w
(This) 720 6192 w
(is) 929 6192 w
(pretty) 1027 6192 w
(established) 1291 6192 w
(territory,) 1766 6192 w
(the) 2149 6192 w
(main) 2302 6192 w
(thing) 2533 6192 w
(I) 2769 6192 w
(have) 2832 6192 w
(done) 3050 6192 w
(differently) 3274 6192 w
(than) 3725 6192 w
(some) 3927 6192 w
(other) 4168 6192 w
(developers) 4403 6192 w
(is) 4865 6192 w
(to) 4962 6192 w
(parameterize) 720 6312 w
(as) 1261 6312 w
(much) 1372 6312 w
(as) 1622 6312 w
(possible) 1733 6312 w
(and) 2089 6312 w
(just) 2261 6312 w
(not) 2434 6312 w
(get) 2590 6312 w
(the) 2740 6312 w
(root) 2890 6312 w
(fs!) 3079 6312 w
10 /Courier f
(Boot/init) 3212 6312 w
10 /Times-Roman f
(are) 3780 6312 w
(combined) 3929 6312 w
(into) 4351 6312 w
(a) 4535 6312 w
(single) 4607 6312 w
(pro\255) 4874 6312 w
(gram) 720 6432 w
(and) 976 6432 w
(most) 1171 6432 w
(of) 1417 6432 w
(their) 1551 6432 w
(functionality) 1785 6432 w
(is) 2346 6432 w
(shifted) 2463 6432 w
(to) 2785 6432 w
(the) 2913 6432 w
10 /Courier f
(plan9rc) 3085 6432 w
10 /Times-Roman f
(script,) 3555 6432 w
(supported) 3852 6432 w
(by) 4296 6432 w
(a) 4446 6432 w
(compiled) 4540 6432 w
(in) 4962 6432 w
10 /Courier f
(bootpaq.) 720 6552 w
10 /Times-Roman f
(The) 1238 6552 w
10 /Courier f
(plan9rc) 1431 6552 w
10 /Times-Roman f
(,) 1889 6552 w
10 /Courier f
(ramskel) 1952 6552 w
10 /Times-Roman f
(,) 2410 6552 w
(and) 2473 6552 w
10 /Courier f
(initskel) 2655 6552 w
10 /Times-Roman f
(scripts) 3173 6552 w
(work) 3472 6552 w
(to) 3715 6552 w
(make) 3831 6552 w
(a) 4085 6552 w
(minimal) 4167 6552 w
(but) 4540 6552 w
(working) 4707 6552 w
(environment) 720 6672 w
(by) 1258 6672 w
(gluing) 1391 6672 w
(a) 1680 6672 w
(skeleton) 1757 6672 w
10 /Courier f
(ramfs) 2123 6672 w
10 /Times-Roman f
(to) 2456 6672 w
(the) 2567 6672 w
(compiled) 2722 6672 w
(in) 3127 6672 w
10 /Courier f
(bootpaq.) 3238 6672 w
10 /Times-Roman f
(Once) 3751 6672 w
(this) 3994 6672 w
(is) 4172 6672 w
(done,) 4272 6672 w
(a) 4523 6672 w
("root") 4599 6672 w
(file\255) 4874 6672 w
(server) 720 6792 w
(can) 997 6792 w
(be) 1169 6792 w
(acquired) 1297 6792 w
(and) 1674 6792 w
(its) 1852 6792 w
10 /Courier f
(termrc) 1981 6792 w
10 /Times-Roman f
(or) 2375 6792 w
10 /Courier f
(cpurc) 2492 6792 w
10 /Times-Roman f
(forked) 2826 6792 w
(off) 3120 6792 w
(into) 3270 6792 w
(a) 3461 6792 w
10 /Courier f
(newns) 3540 6792 w
10 /Times-Roman f
(where) 3875 6792 w
(it) 4153 6792 w
(becomes) 4244 6792 w
(a) 4628 6792 w
(working) 4707 6792 w
(environment without taking over the flow of control in the kernel only environment.) 720 6912 w
(Writable) 970 7068 w
10 /Courier f
(proc/*/ns) 1349 7068 w
10 /Times-Roman f
(:) 1919 7068 w
(this) 1977 7068 w
(was) 2153 7068 w
(implemented) 2339 7068 w
(by) 2892 7068 w
(more) 3023 7068 w
(or) 3259 7068 w
(less) 3373 7068 w
('cloning') 3554 7068 w
(the) 3951 7068 w
(entire) 4104 7068 w
(code) 4362 7068 w
(path) 4581 7068 w
(within) 4784 7068 w
(the) 720 7188 w
(kernel) 869 7188 w
(that) 1145 7188 w
(happens) 1322 7188 w
(for) 1676 7188 w
(mounts) 1819 7188 w
(and) 2141 7188 w
(binds) 2312 7188 w
(and) 2556 7188 w
(adding) 2727 7188 w
(a) 3026 7188 w
(new) 3097 7188 w
(parameter) 3290 7188 w
(for) 3715 7188 w
(process) 3858 7188 w
(id.) 4183 7188 w
(All) 4312 7188 w
(of) 4466 7188 w
(the) 4575 7188 w
(existing) 4723 7188 w
(routines use "up" to figure out what namespace is) 720 7308 w
(being) 2725 7308 w
(modified) 2973 7308 w
(and) 3360 7308 w
(what) 3530 7308 w
(the) 3750 7308 w
(chans) 3898 7308 w
(are) 4151 7308 w
(\255) 4298 7308 w
(by) 4357 7308 w
(copying) 4483 7308 w
(all) 4831 7308 w
(of) 4957 7308 w
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(\255 11 \255) 2772 480 w
(the) 720 840 w
(routines) 873 840 w
(and) 1226 840 w
(adding) 1401 840 w
(a) 1704 840 w
(new) 1779 840 w
(parameter,) 1976 840 w
(I) 2430 840 w
(allow) 2494 840 w
(the) 2746 840 w
10 /Courier f
(/proc) 2898 840 w
10 /Times-Roman f
(file) 3228 840 w
(system) 3391 840 w
(to) 3699 840 w
(perform) 3807 840 w
10 /Courier f
(mount) 4158 840 w
10 /Times-Roman f
(s) 4488 840 w
(and) 4557 840 w
10 /Courier f
(bind) 4731 840 w
10 /Times-Roman f
(s) 5001 840 w
(on) 720 960 w
(behal") 847 960 w
(of) 1131 960 w
(a) 1241 960 w
(process,) 1312 960 w
(acccording) 1664 960 w
(to) 2129 960 w
(the) 2235 960 w
(string) 2385 960 w
(written) 2641 960 w
(to) 2952 960 w
(that) 3058 960 w
(process's) 3236 960 w
10 /Courier f
(ns) 3635 960 w
10 /Times-Roman f
(file.) 3783 960 w
(I) 3969 960 w
(made) 4030 960 w
(the) 4274 960 w
(mechanism) 4424 960 w
(use) 4907 960 w
(a) 720 1080 w
(copy) 798 1080 w
(of) 1025 1080 w
(all) 1141 1080 w
(the) 1274 1080 w
(original) 1429 1080 w
(routines) 1773 1080 w
(with) 2128 1080 w
(a) 2339 1080 w
(new) 2416 1080 w
(parameter) 2615 1080 w
(because) 3046 1080 w
(I) 3394 1080 w
(didn't) 3460 1080 w
(want) 3732 1080 w
(my) 3959 1080 w
(modifications) 4120 1080 w
(to) 4703 1080 w
(affect) 4814 1080 w
(the) 720 1200 w
(existing) 874 1200 w
(code) 1223 1200 w
(paths) 1443 1200 w
(\255) 1686 1200 w
(especially) 1751 1200 w
(because) 2182 1200 w
(some) 2529 1200 w
(sanity) 2772 1200 w
(checks) 3043 1200 w
(don't) 3346 1200 w
(make) 3589 1200 w
(sense) 3837 1200 w
(if) 4085 1200 w
(the) 4178 1200 w
(context) 4332 1200 w
(is) 4659 1200 w
(not) 4759 1200 w
10 /Courier f
(up) 4920 1200 w
10 /Times-Roman f
(and) 720 1320 w
(removing) 893 1320 w
(kernel) 1305 1320 w
(sanity) 1583 1320 w
(checks) 1851 1320 w
(is) 2151 1320 w
(scary.) 2247 1320 w
(I) 2511 1320 w
(have) 2573 1320 w
(tested) 2790 1320 w
(this) 3052 1320 w
(mod) 3226 1320 w
(extensively) 3433 1320 w
(and) 3917 1320 w
(I) 4090 1320 w
(believe) 4151 1320 w
(it) 4467 1320 w
(is) 4551 1320 w
(not) 4646 1320 w
(inher\255) 4802 1320 w
(ently destablizing but it may pose unanalyzed security risks if abused by malicious users.) 720 1440 w
(The) 970 1596 w
10 /Courier f
(cpns) 1150 1596 w
10 /Times-Roman f
(,) 1415 1596 w
10 /Courier f
(addns) 1466 1596 w
10 /Times-Roman f
(,) 1792 1596 w
10 /Courier f
(subns) 1843 1596 w
10 /Times-Roman f
(scripts) 2169 1596 w
(perform) 2456 1596 w
(their) 2803 1596 w
(operations) 3012 1596 w
(by) 3454 1596 w
(comparing) 3580 1596 w
(the) 4033 1596 w
(lines) 4181 1596 w
(of) 4396 1596 w
(the) 4505 1596 w
(textual) 4653 1596 w
(ns) 4951 1596 w
(files) 720 1716 w
(of) 923 1716 w
(the) 1037 1716 w
(model) 1190 1716 w
(and) 1471 1716 w
(target) 1646 1716 w
(processes,) 1904 1716 w
(and) 2342 1716 w
(issuing) 2517 1716 w
10 /Courier f
(mount/unmount) 2832 1716 w
10 /Times-Roman f
(commands) 3643 1716 w
(based) 4107 1716 w
(on) 4364 1716 w
(matching) 4494 1716 w
(and) 4896 1716 w
(non\255matching lines. This mechanism is functional but better tools) 720 1836 w
(should) 3370 1836 w
(be) 3663 1836 w
(written,) 3783 1836 w
(which) 4117 1836 w
(fully) 4387 1836 w
(understand) 4602 1836 w
(how) 720 1956 w
(namespaces) 929 1956 w
(are) 1442 1956 w
(structures) 1600 1956 w
(as) 2025 1956 w
(graphs) 2145 1956 w
(with) 2448 1956 w
(dependencies.) 2663 1956 w
(Treating) 3262 1956 w
(the) 3637 1956 w
(ns) 3796 1956 w
(files) 3922 1956 w
(as) 4131 1956 w
(text) 4251 1956 w
(without) 4438 1956 w
(under\255) 4780 1956 w
(standing) 720 2076 w
(the) 1099 2076 w
(real) 1261 2076 w
(semantics) 1450 2076 w
(of) 1884 2076 w
(namespaces) 2007 2076 w
(is) 2523 2076 w
(a) 2630 2076 w
(limitation) 2714 2076 w
(of) 3144 2076 w
(these) 3268 2076 w
(scripts,) 3514 2076 w
(not) 3841 2076 w
(the) 4010 2076 w
(writable) 4173 2076 w
(ns) 4541 2076 w
(mod) 4671 2076 w
(that) 4890 2076 w
(enables them.) 720 2196 w
(Hubfs:) 970 2352 w
10 /Courier f
(hubfs) 1270 2352 w
10 /Times-Roman f
(is) 1598 2352 w
(a) 1693 2352 w
(9p) 1765 2352 w
(filesystem) 1893 2352 w
(which) 2332 2352 w
(implements) 2604 2352 w
(a) 3099 2352 w
(new) 3171 2352 w
(abstraction) 3365 2352 w
(which) 3831 2352 w
(is) 4103 2352 w
(similar) 4199 2352 w
(to) 4506 2352 w
(a) 4613 2352 w
(pipe,) 4686 2352 w
(but) 4912 2352 w
(designed) 720 2472 w
(for) 1105 2472 w
(multiple) 1251 2472 w
(readers) 1615 2472 w
(and) 1932 2472 w
(writers.) 2106 2472 w
(One) 2437 2472 w
(convenient) 2632 2472 w
(use) 3099 2472 w
(of) 3261 2472 w
(this) 3373 2472 w
(abstraction) 3547 2472 w
(is) 4014 2472 w
(to) 4110 2472 w
(implement) 4217 2472 w
(function\255) 4674 2472 w
(ality) 720 2592 w
(like) 939 2592 w
(GNU) 1130 2592 w
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(screen) 1387 2592 w
10 /Times-Roman f
(\(http://gnu.org/software/screen/manual/screen.html\)) 1788 2592 w
(by) 3909 2592 w
(connecting) 4050 2592 w
10 /Courier f
(rc) 4530 2592 w
10 /Times-Roman f
(shells) 4692 2592 w
(to) 4962 2592 w
(hub) 720 2712 w
(files.) 907 2712 w
(The) 1141 2712 w
10 /Courier f
(hubfs) 1333 2712 w
10 /Times-Roman f
(filesystem) 1670 2712 w
(simply) 2118 2712 w
(provides) 2428 2712 w
(the) 2809 2712 w
(pipe/hub) 2968 2712 w
(files,) 3355 2712 w
(the) 3589 2712 w
(job) 3747 2712 w
(of) 3911 2712 w
(managing) 4030 2712 w
(connections) 4460 2712 w
(is) 4973 2712 w
(done) 720 2832 w
(by) 944 2832 w
(the) 1074 2832 w
(hubshell) 1226 2832 w
(program,) 1595 2832 w
(which) 1988 2832 w
(knows) 2262 2832 w
(how) 2553 2832 w
(to) 2755 2832 w
(start) 2863 2832 w
(and) 3065 2832 w
(attach) 3239 2832 w
10 /Courier f
(rc) 3507 2832 w
10 /Times-Roman f
(to) 3657 2832 w
(hubfiles,) 3765 2832 w
(launch) 4142 2832 w
(new) 4439 2832 w
(connected) 4636 2832 w
10 /Courier f
(rc) 720 2952 w
10 /Times-Roman f
(shells on either the local or remote machine, and then move between the active shells.) 865 2952 w
(Rerootwin:) 970 3108 w
(the) 1451 3108 w
10 /Courier f
(rerootwin) 1604 3108 w
10 /Times-Roman f
("device) 2175 3108 w
(and) 2507 3108 w
(wsys) 2682 3108 w
(aware") 2913 3108 w
(re\255rooting) 3222 3108 w
(script) 3652 3108 w
(and) 3905 3108 w
(namespace) 4080 3108 w
(file) 4549 3108 w
(is) 4714 3108 w
(based) 4813 3108 w
(on) 720 3228 w
(a) 854 3228 w
(simple) 932 3228 w
(core) 1233 3228 w
(technique:) 1438 3228 w
(using) 1888 3228 w
10 /Courier f
(srvfs) 2139 3228 w
10 /Times-Roman f
(to) 2472 3228 w
(save) 2583 3228 w
(the) 2793 3228 w
(devices.) 2948 3228 w
(The) 3305 3228 w
(ability) 3493 3228 w
(to) 3782 3228 w
(control) 3893 3228 w
(a) 4209 3228 w
(given) 4286 3228 w
(window) 4541 3228 w
(and) 4896 3228 w
(run) 720 3348 w
(graphical) 883 3348 w
(applications) 1284 3348 w
(in) 1797 3348 w
(it) 1905 3348 w
(is) 1991 3348 w
(simply) 2088 3348 w
(a) 2391 3348 w
(result) 2465 3348 w
(of) 2717 3348 w
(what) 2831 3348 w
(is) 3056 3348 w
(bound) 3154 3348 w
(into) 3435 3348 w
(the) 3622 3348 w
(namespace.) 3775 3348 w
(A) 4268 3348 w
(standard) 4371 3348 w
10 /Courier f
(newns) 4740 3348 w
10 /Times-Roman f
(command) 720 3468 w
(can't) 1141 3468 w
(be) 1367 3468 w
(used) 1488 3468 w
(to) 1698 3468 w
(enter) 1803 3468 w
(a) 2029 3468 w
(new) 2099 3468 w
(root) 2291 3468 w
(filesystem) 2478 3468 w
(when) 2915 3468 w
(working) 3157 3468 w
(remotely,) 3516 3468 w
(because) 3922 3468 w
(the) 4263 3468 w
(new) 4411 3468 w
(namespace) 4603 3468 w
(will) 720 3588 w
(not) 906 3588 w
(be) 1064 3588 w
(connected) 1188 3588 w
(to) 1622 3588 w
(the) 1730 3588 w
(device) 1882 3588 w
(files) 2172 3588 w
(of) 2375 3588 w
(the) 2489 3588 w
(previous) 2642 3588 w
(namespace.) 3017 3588 w
(The) 3510 3588 w
(solution) 3696 3588 w
(is) 4050 3588 w
(to) 4148 3588 w
10 /Courier f
(srvfs) 4257 3588 w
10 /Times-Roman f
(the) 4588 3588 w
(devices) 4741 3588 w
(first,) 720 3708 w
(make) 938 3708 w
(note) 1186 3708 w
(of) 1390 3708 w
(their) 1505 3708 w
(identity) 1720 3708 w
(in) 2058 3708 w
(an) 2168 3708 w
(environment) 2294 3708 w
(variable,) 2831 3708 w
(then) 3209 3708 w
(enter) 3413 3708 w
(the) 3644 3708 w
(new) 3797 3708 w
(namespace) 3994 3708 w
(and) 4462 3708 w
(re\255acquire) 4637 3708 w
(the) 720 3828 w
(original) 874 3828 w
(devices.) 1217 3828 w
(This) 1574 3828 w
(operation) 1785 3828 w
(is) 2195 3828 w
(basically) 2295 3828 w
(simple) 2683 3828 w
(and) 2983 3828 w
(seems) 3160 3828 w
(to) 3437 3828 w
(have) 3548 3828 w
(broad) 3769 3828 w
(usefulness.) 4029 3828 w
(I) 4503 3828 w
(am) 4569 3828 w
(actually) 4724 3828 w
(surprised) 720 3948 w
(a) 1130 3948 w
(similar) 1218 3948 w
(script) 1540 3948 w
(and) 1806 3948 w
(namespace) 1994 3948 w
(file) 2475 3948 w
(does) 2651 3948 w
(not) 2877 3948 w
(already) 3048 3948 w
(exist) 3384 3948 w
(within) 3616 3948 w
(Plan) 3915 3948 w
(9) 4136 3948 w
(because) 4229 3948 w
(it) 4587 3948 w
(does) 4686 3948 w
(not) 4912 3948 w
(depend on the other modifications in the toolkit.) 720 4068 w
(The) 970 4224 w
10 /Courier f
(venti/fossil) 1152 4224 w
10 /Times-Roman f
(tools) 1899 4224 w
(simply) 2121 4224 w
(automate) 2421 4224 w
(actions) 2814 4224 w
(which) 3124 4224 w
(are) 3395 4224 w
(useful) 3543 4224 w
(for) 3814 4224 w
(backup) 3957 4224 w
(and) 4273 4224 w
(recreation,) 4445 4224 w
(and) 4896 4224 w
(the) 720 4344 w
(other) 870 4344 w
(namespace) 1103 4344 w
(scripts) 1568 4344 w
(mostly) 1857 4344 w
(perform) 2158 4344 w
(self\255explanatory) 2506 4344 w
(bind) 3181 4344 w
(and) 3386 4344 w
(mount) 3557 4344 w
(operations.) 3840 4344 w
(The) 4308 4344 w
(modifications) 4490 4344 w
(to) 720 4464 w
10 /Courier f
(rc) 829 4464 w
10 /Times-Roman f
(and) 980 4464 w
10 /Courier f
(factotum) 1155 4464 w
10 /Times-Roman f
(are) 1666 4464 w
(minimal) 1818 4464 w
(and) 2183 4464 w
(relatively) 2358 4464 w
(insignificant.) 2766 4464 w
10 /Courier f
(rc) 3322 4464 w
10 /Times-Roman f
(is) 3473 4464 w
(modified) 3571 4464 w
(only) 3964 4464 w
(to) 4174 4464 w
(path) 4284 4464 w
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(/boot) 4488 4464 w
10 /Times-Roman f
(and) 4820 4464 w
(a) 4996 4464 w
(different) 720 4584 w
(location) 1096 4584 w
(for) 1451 4584 w
10 /Courier f
(/rc/lib/rcmain) 1600 4584 w
10 /Times-Roman f
(,) 2473 4584 w
10 /Courier f
(factotum) 2531 4584 w
10 /Times-Roman f
(simply) 3044 4584 w
(adds) 3350 4584 w
(a) 3566 4584 w
(flag) 3642 4584 w
(to) 3829 4584 w
(prefer) 3939 4584 w
(a) 4208 4584 w
(code) 4284 4584 w
(path) 4504 4584 w
(which) 4708 4584 w
(it) 4984 4584 w
(had) 720 4704 w
(as) 901 4704 w
(a) 1021 4704 w
(fallback) 1102 4704 w
(previously,) 1460 4704 w
10 /Courier f
(wrarena9) 1944 4704 w
10 /Times-Roman f
(just) 2461 4704 w
(adds) 2643 4704 w
(output) 2863 4704 w
(of) 3156 4704 w
(the) 3276 4704 w
(current) 3435 4704 w
(clump) 3754 4704 w
(as) 4041 4704 w
(the) 4161 4704 w
(data) 4321 4704 w
(sending) 4525 4704 w
(pro\255) 4874 4704 w
(ceeds.) 720 4824 w
(The) 970 4980 w
(hardware) 1152 4980 w
(infrastructure) 1549 4980 w
(is) 2113 4980 w
(two) 2207 4980 w
(native) 2384 4980 w
(pentium) 2655 4980 w
(IV) 3010 4980 w
(for) 3143 4980 w
(the) 3287 4980 w
(main) 3437 4980 w
10 /Courier f
(venti) 3665 4980 w
10 /Times-Roman f
(and) 3993 4980 w
10 /Courier f
(fossil) 4165 4980 w
10 /Times-Roman f
(server) 4553 4980 w
(and) 4824 4980 w
(a) 4996 4980 w
(pentium) 720 5100 w
(III) 1077 5100 w
(for) 1205 5100 w
(the) 1350 5100 w
(main) 1501 5100 w
(tcp) 1730 5100 w
(cpu.) 1881 5100 w
(The) 2079 5100 w
(user) 2263 5100 w
(terminal) 2458 5100 w
(is) 2820 5100 w
(a) 2916 5100 w
(modern) 2989 5100 w
(desktop) 3323 5100 w
(with) 3663 5100 w
(an) 3870 5100 w
(intel) 3993 5100 w
(i7) 4200 5100 w
(running) 4307 5100 w
(the) 4646 5100 w
(9front) 4796 5100 w
(distribution.) 720 5220 w
(An) 1249 5220 w
(amd) 1413 5220 w
(ph) 1627 5220 w
(II) 1769 5220 w
(debian) 1877 5220 w
(box) 2185 5220 w
(provides) 2378 5220 w
(p9p) 2765 5220 w
(and) 2958 5220 w
(qemu) 3145 5220 w
(hosting) 3410 5220 w
(for) 3748 5220 w
(the) 3907 5220 w
(backup) 4072 5220 w
(leg) 4403 5220 w
(of) 4568 5220 w
(services.) 4694 5220 w
(Remote) 720 5340 w
(nodes) 1064 5340 w
(are) 1330 5340 w
(hosted) 1484 5340 w
(on) 1778 5340 w
(9cloud) 1911 5340 w
(with) 2216 5340 w
(one) 2427 5340 w
(Bell) 2604 5340 w
(Labs) 2804 5340 w
(and) 3031 5340 w
(one) 3208 5340 w
(9front) 3385 5340 w
(install.) 3661 5340 w
(A) 3963 5340 w
(linode) 4067 5340 w
(running) 4349 5340 w
(p9p) 4692 5340 w
(pro\255) 4874 5340 w
(vides a final fallback) 720 5460 w
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(venti) 1579 5460 w
10 /Times-Roman f
(store.) 1904 5460 w
10 /Times-Bold f
(Appendix III: Origins of the tools) 720 5700 w
10 /Times-Roman f
(I) 970 5856 w
(began) 1040 5856 w
(working) 1315 5856 w
(with) 1685 5856 w
(multiple\255machine) 1900 5856 w
(Plan) 2642 5856 w
(9) 2857 5856 w
(system) 2944 5856 w
(about) 3259 5856 w
(5) 3518 5856 w
(years) 3605 5856 w
(ago,) 3852 5856 w
(trying) 4058 5856 w
(to) 4334 5856 w
(experience) 4449 5856 w
(the) 4918 5856 w
(original) 720 5976 w
(design) 1067 5976 w
(of) 1364 5976 w
(separate) 1483 5976 w
(services) 1845 5976 w
(acquired) 2202 5976 w
(from) 2581 5976 w
(the) 2811 5976 w
(network) 2969 5976 w
(via) 3332 5976 w
(a) 3490 5976 w
(terminal.) 3570 5976 w
(I) 3964 5976 w
(have) 4033 5976 w
(found) 4256 5976 w
(this) 4524 5976 w
(to) 4704 5976 w
(be) 4817 5976 w
(an) 4946 5976 w
(environment) 720 6096 w
(with) 1252 6096 w
(desirable) 1457 6096 w
(properties,) 1844 6096 w
(many) 2295 6096 w
(of) 2544 6096 w
(them) 2654 6096 w
(as) 2881 6096 w
(described) 2991 6096 w
(in) 3400 6096 w
(the) 3505 6096 w
(original) 3654 6096 w
(papers.) 3992 6096 w
(I) 4304 6096 w
(also) 4364 6096 w
(encountered) 4553 6096 w
(some) 720 6216 w
(obstacles) 958 6216 w
(as) 1351 6216 w
(a) 1461 6216 w
(home) 1532 6216 w
(user) 1781 6216 w
(trying) 1974 6216 w
(to) 2240 6216 w
(deploy) 2345 6216 w
(a) 2644 6216 w
(true) 2715 6216 w
(distributed) 2897 6216 w
(Plan) 3352 6216 w
(9) 3557 6216 w
(environment.) 3634 6216 w
(In) 4191 6216 w
(the) 4301 6216 w
(original) 4449 6216 w
(Plan) 4786 6216 w
(9) 4990 6216 w
(design,) 720 6336 w
(the) 1039 6336 w
(infrastructure) 1194 6336 w
(of) 1764 6336 w
(file) 1880 6336 w
(and) 2046 6336 w
(cpu) 2223 6336 w
(servers) 2400 6336 w
(was) 2715 6336 w
(intended) 2903 6336 w
(to) 3280 6336 w
(be) 3391 6336 w
(installed) 3518 6336 w
(in) 3890 6336 w
(a) 4002 6336 w
(professionally) 4080 6336 w
(managed) 4680 6336 w
(datacenter.) 720 6456 w
(The) 1194 6456 w
(default) 1388 6456 w
(assumptions,) 1704 6456 w
(though) 2263 6456 w
(somewhat) 2580 6456 w
(adjusted) 3024 6456 w
(over) 3396 6456 w
(the) 3612 6456 w
(years,) 3773 6456 w
(remain) 4047 6456 w
(best) 4363 6456 w
(suited) 4563 6456 w
(for) 4841 6456 w
(a) 4996 6456 w
(world) 720 6576 w
(where) 982 6576 w
(a) 1254 6576 w
(given) 1327 6576 w
(hardware) 1579 6576 w
(and) 1979 6576 w
(network) 2153 6576 w
(configuration) 2510 6576 w
(has) 3078 6576 w
(a) 3241 6576 w
(lifespan) 3315 6576 w
(measured) 3661 6576 w
(in) 4073 6576 w
(years.) 4181 6576 w
(In) 4446 6576 w
(a) 4559 6576 w
(home) 4633 6576 w
(net\255) 4885 6576 w
(work,) 720 6696 w
(things) 981 6696 w
(may) 1257 6696 w
(often) 1460 6696 w
(change) 1696 6696 w
(on) 2009 6696 w
(a) 2140 6696 w
(timescale) 2215 6696 w
(of) 2623 6696 w
(weeks,) 2737 6696 w
(days,) 3042 6696 w
(or) 3281 6696 w
(even) 3394 6696 w
(hours.) 3612 6696 w
(The) 3889 6696 w
(user) 4074 6696 w
(is) 4270 6696 w
(likely) 4367 6696 w
(to) 4625 6696 w
(turn) 4733 6696 w
(off) 4924 6696 w
(and) 720 6816 w
(turn) 892 6816 w
(on) 1081 6816 w
(machines) 1209 6816 w
(more) 1614 6816 w
(often,) 1847 6816 w
(shift) 2105 6816 w
(both) 2311 6816 w
(public) 2517 6816 w
(and) 2795 6816 w
(private) 2967 6816 w
(nat) 3272 6816 w
(ips,) 3422 6816 w
(and) 3592 6816 w
(in) 3764 6816 w
(general) 3870 6816 w
(operate) 4191 6816 w
(the) 4512 6816 w
(machines) 4663 6816 w
(in) 720 6936 w
(a) 826 6936 w
(much) 898 6936 w
(less) 1148 6936 w
(predictable) 1326 6936 w
(way.) 1797 6936 w
(Also,) 2016 6936 w
(the) 2258 6936 w
(hardware) 2408 6936 w
(a) 2806 6936 w
(home) 2878 6936 w
(user) 3127 6936 w
(is) 3320 6936 w
(likely) 3414 6936 w
(to) 3669 6936 w
(be) 3774 6936 w
(using) 3895 6936 w
(for) 4139 6936 w
(Plan) 4282 6936 w
(9) 4487 6936 w
(is) 4564 6936 w
(a) 4658 6936 w
(mixture) 4729 6936 w
(of) 720 7056 w
(older) 838 7056 w
(machines,) 1078 7056 w
(virtual) 1515 7056 w
(machines,) 1811 7056 w
(and) 2248 7056 w
(desktops) 2427 7056 w
(hosting) 2813 7056 w
(related) 3144 7056 w
(software) 3451 7056 w
(like) 3830 7056 w
(Plan9port.) 4016 7056 w
(This) 4466 7056 w
(is) 4680 7056 w
(a) 4783 7056 w
(very) 4863 7056 w
(different reliability profile than professional datacenter hardware.) 720 7176 w
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(My) 970 840 w
(experience) 1143 840 w
(as) 1608 840 w
(a) 1725 840 w
(home) 1803 840 w
(user) 2059 840 w
(building) 2260 840 w
(on) 2629 840 w
(top) 2764 840 w
(of) 2927 840 w
(older) 3045 840 w
(hardware) 3285 840 w
(mixed) 3690 840 w
(with) 3975 840 w
(virtual) 4188 840 w
(machines) 4484 840 w
(and) 4896 840 w
(making) 720 960 w
(frequent) 1056 960 w
(changes) 1424 960 w
(to) 1781 960 w
(my) 1895 960 w
(network) 2059 960 w
(arrangement) 2421 960 w
(was) 2954 960 w
(that) 3144 960 w
(the) 3329 960 w
(user) 3486 960 w
(environment) 3687 960 w
(I) 4227 960 w
(had) 4295 960 w
(in) 4474 960 w
(Plan) 4587 960 w
(9) 4800 960 w
(was) 4885 960 w
(amazing,) 720 1080 w
(but) 1110 1080 w
(somewhat) 1265 1080 w
(fragile.) 1697 1080 w
(The) 2009 1080 w
(grid) 2191 1080 w
(architecture) 2379 1080 w
(created) 2877 1080 w
(dependencies) 3192 1080 w
(between) 3757 1080 w
(the) 4117 1080 w
(different) 4267 1080 w
(machines.) 4638 1080 w
(If) 720 1200 w
(there) 819 1200 w
(is) 1051 1200 w
(a) 1150 1200 w
(backing) 1226 1200 w
(store) 1574 1200 w
(machine) 1800 1200 w
(\(such) 2170 1200 w
(as) 2418 1200 w
10 /Courier f
(venti) 2533 1200 w
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(\)) 2865 1200 w
(supporting) 2930 1200 w
(a) 3390 1200 w
(file) 3466 1200 w
(server) 3631 1200 w
(supporting) 3906 1200 w
(a) 4366 1200 w
(cpu) 4442 1200 w
(server,) 4618 1200 w
(the) 4918 1200 w
(user) 720 1320 w
(environment) 920 1320 w
(breaks) 1459 1320 w
(if) 1753 1320 w
(there) 1848 1320 w
(is) 2081 1320 w
(any) 2182 1320 w
(disruption) 2360 1320 w
(of) 2800 1320 w
(the) 2918 1320 w
(machines) 3075 1320 w
(and) 3487 1320 w
(their) 3666 1320 w
(network) 3884 1320 w
(connections.) 4246 1320 w
(At) 4783 1320 w
(the) 4918 1320 w
(time) 720 1440 w
(four) 935 1440 w
(years) 1138 1440 w
(ago,) 1385 1440 w
(Qemu) 1591 1440 w
(virtualization) 1872 1440 w
(also) 2442 1440 w
(seemed) 2640 1440 w
(less) 2976 1440 w
(robust) 3163 1440 w
(than) 3449 1440 w
(now,) 3657 1440 w
(and) 3890 1440 w
(my) 4070 1440 w
(VMs) 4234 1440 w
(were) 4470 1440 w
(prone) 4699 1440 w
(to) 4962 1440 w
(crashing) 720 1560 w
(if) 1089 1560 w
(placed) 1181 1560 w
(under) 1472 1560 w
(significant) 1730 1560 w
(load.) 2183 1560 w
(Plan) 2411 1560 w
(9) 2620 1560 w
(was) 2701 1560 w
(giving) 2887 1560 w
(me) 3174 1560 w
(a) 3327 1560 w
(user) 3402 1560 w
(environment) 3599 1560 w
(that) 4135 1560 w
(I) 4316 1560 w
(loved,) 4381 1560 w
(but) 4660 1560 w
(I) 4820 1560 w
(was) 4885 1560 w
(also) 720 1680 w
(struggling) 912 1680 w
(with) 1349 1680 w
(reliability) 1558 1680 w
(issues) 1978 1680 w
(\255) 2247 1680 w
(qemu) 2310 1680 w
(VMs) 2562 1680 w
(running) 2792 1680 w
10 /Courier f
(fossil) 3133 1680 w
10 /Times-Roman f
(often) 3523 1680 w
(corrupted) 3758 1680 w
(their) 4170 1680 w
(filesystem) 4383 1680 w
(when) 4824 1680 w
(crashing badly.) 720 1800 w
(It) 970 1956 w
(seemed) 1065 1956 w
(to) 1398 1956 w
(me) 1510 1956 w
(that) 1666 1956 w
(a) 1850 1956 w
(grid) 1928 1956 w
(of) 2123 1956 w
(multiple) 2241 1956 w
(machines) 2610 1956 w
(should) 3022 1956 w
(create) 3324 1956 w
(the) 3596 1956 w
(property) 3753 1956 w
(of) 4126 1956 w
(being) 4244 1956 w
(more) 4501 1956 w
(reliable) 4741 1956 w
(and) 720 2076 w
(resilient) 890 2076 w
(than) 1238 2076 w
(any) 1436 2076 w
(of) 1606 2076 w
(the) 1715 2076 w
(components,) 1863 2076 w
(and) 2397 2076 w
(I) 2567 2076 w
(was) 2626 2076 w
(experiencing) 2807 2076 w
(more) 3348 2076 w
(of) 3579 2076 w
(a "one fall, they all fall" dynamic.) 3688 2076 w
(The more tightly I tried to bind my machines together by importing services from each other, the) 720 2196 w
(more) 4616 2196 w
(frag\255) 4847 2196 w
(ile) 720 2316 w
(everything) 846 2316 w
(became.) 1299 2316 w
(I) 1654 2316 w
(wanted) 1713 2316 w
(the) 2027 2316 w
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(cpurc) 2175 2316 w
10 /Times-Roman f
(on the machines to acquire services from the other machines on) 2501 2316 w
(the) 720 2436 w
(grid,) 875 2436 w
(to) 1094 2436 w
(put) 1205 2436 w
(those) 1367 2436 w
("underneath") 1612 2436 w
(the) 2171 2436 w
(user) 2327 2436 w
(namespace) 2527 2436 w
(so) 2998 2436 w
(that) 3121 2436 w
(when) 3305 2436 w
(I) 3555 2436 w
10 /Courier f
(cpu) 3622 2436 w
10 /Times-Roman f
(in,) 3836 2436 w
(a) 3973 2436 w
(multiple) 4051 2436 w
(machine) 4419 2436 w
(name\255) 4791 2436 w
(space) 720 2556 w
(would) 974 2556 w
(be) 1257 2556 w
(built) 1384 2556 w
(and) 1601 2556 w
(waiting.) 1778 2556 w
(Doing) 2136 2556 w
(this) 2418 2556 w
(kind) 2595 2556 w
(of) 2805 2556 w
(service) 2920 2556 w
(acquisition) 3234 2556 w
(from) 3705 2556 w
(the) 3931 2556 w
(main) 4085 2556 w
(flow) 4317 2556 w
(of) 4532 2556 w
(control) 4647 2556 w
(in) 4962 2556 w
10 /Courier f
(cpurc) 720 2676 w
10 /Times-Roman f
(though) 1061 2676 w
(created) 1380 2676 w
(system) 1708 2676 w
(wide) 2027 2676 w
(dependencies) 2262 2676 w
(on) 2841 2676 w
(those) 2983 2676 w
(resources,) 3236 2676 w
(and) 3679 2676 w
(my) 3865 2676 w
(user) 4035 2676 w
(environment) 4243 2676 w
(would) 4790 2676 w
(freeze) 720 2796 w
(up) 995 2796 w
(if) 1128 2796 w
(a) 1222 2796 w
(read) 1298 2796 w
(from) 1501 2796 w
(a) 1727 2796 w
(network) 1803 2796 w
(mount) 2162 2796 w
(didn't) 2450 2796 w
(return.) 2721 2796 w
(I) 3016 2796 w
(tried) 3081 2796 w
(using) 3296 2796 w
10 /Courier f
(aan) 3545 2796 w
10 /Times-Roman f
(and) 3757 2796 w
10 /Courier f
(recover) 3933 2796 w
10 /Times-Roman f
(,) 4385 2796 w
(but) 4442 2796 w
(those) 4602 2796 w
(tools) 4845 2796 w
(are for dealing with network\255level disruptions, not a machine that dies and has to reboot.) 720 2916 w
(Another) 970 3072 w
(issue) 1324 3072 w
(I) 1551 3072 w
(experienced) 1611 3072 w
(working) 2119 3072 w
(with) 2479 3072 w
(my) 2684 3072 w
(grid) 2839 3072 w
(was) 3027 3072 w
(the) 3209 3072 w
(lack) 3358 3072 w
(of) 3552 3072 w
(higher\255level) 3663 3072 w
(tools) 4173 3072 w
(for) 4396 3072 w
(dealing) 4540 3072 w
(with) 4862 3072 w
(namespaces,) 720 3192 w
(and) 1248 3192 w
(a) 1419 3192 w
(general) 1490 3192 w
(focus) 1810 3192 w
(on) 2053 3192 w
(creating) 2180 3192 w
(a) 2528 3192 w
(namespace) 2599 3192 w
(which) 3063 3192 w
(roughly) 3334 3192 w
(mirrored) 3672 3192 w
(conventional) 4048 3192 w
(unix.) 4591 3192 w
(It) 4820 3192 w
(felt) 4907 3192 w
(to) 720 3312 w
(me) 834 3312 w
(that) 992 3312 w
(the) 1178 3312 w
(mechanism) 1336 3312 w
(of) 1827 3312 w
(namespaces) 1946 3312 w
(was) 2458 3312 w
(so) 2650 3312 w
(brilliant) 2776 3312 w
(and) 3130 3312 w
(so) 3311 3312 w
(flexible) 3437 3312 w
(and) 3779 3312 w
(open\255ended) 3960 3312 w
(that) 4462 3312 w
(there) 4649 3312 w
(was) 4885 3312 w
(much) 720 3432 w
(more) 969 3432 w
(that) 1200 3432 w
(could) 1376 3432 w
(be) 1624 3432 w
(done) 1744 3432 w
(with) 1964 3432 w
(manipulating) 2168 3432 w
(namespaces) 2722 3432 w
(and) 3224 3432 w
(network) 3394 3432 w
(transparency) 3747 3432 w
(to) 4282 3432 w
(build) 4386 3432 w
(interesting) 4618 3432 w
(environments.) 720 3552 w
(What) 1338 3552 w
(I) 1603 3552 w
(wanted) 1685 3552 w
(was) 2022 3552 w
(a) 2226 3552 w
(way) 2319 3552 w
(to) 2534 3552 w
("weave") 2661 3552 w
(a) 3046 3552 w
(complicated) 3139 3552 w
(namespace) 3677 3552 w
(that) 4164 3552 w
(unified) 4364 3552 w
(different) 4697 3552 w
(machines, but was also resilient to their failure and would replicate and secure my data without extra work.) 720 3672 w
(As I experimented with different partial solutions) 970 3828 w
(\(just) 2971 3828 w
(running) 3175 3828 w
(3) 3512 3828 w
(copies) 3588 3828 w
(of) 3869 3828 w
(everything,) 3978 3828 w
(for) 4456 3828 w
(instance\)) 4598 3828 w
(it) 4984 3828 w
(became) 720 3948 w
(clear) 1055 3948 w
(to) 1279 3948 w
(me) 1388 3948 w
(that) 1541 3948 w
(there) 1722 3948 w
(was) 1952 3948 w
(a) 2138 3948 w
(fundamental,) 2213 3948 w
(and) 2767 3948 w
(unnecessary,) 2941 3948 w
(dependency) 3483 3948 w
(that) 3989 3948 w
(was) 4169 3948 w
(at) 4354 3948 w
(the) 4456 3948 w
(root) 4608 3948 w
(of) 4799 3948 w
(my) 4912 3948 w
(difficulties.) 720 4068 w
(This) 1210 4068 w
(was) 1420 4068 w
(the) 1607 4068 w
(dependency) 1761 4068 w
(of) 2269 4068 w
(the) 2384 4068 w
(Plan) 2538 4068 w
(9) 2748 4068 w
(kernel) 2830 4068 w
(on) 3111 4068 w
(a) 3243 4068 w
(given) 3319 4068 w
(root) 3573 4068 w
(filesystem) 3767 4068 w
(chosen) 4211 4068 w
(at) 4521 4068 w
(boot\255time.) 4626 4068 w
(When) 720 4188 w
(a) 986 4188 w
(running) 1058 4188 w
(cpu) 1397 4188 w
(server) 1569 4188 w
(loses) 1840 4188 w
(its) 2068 4188 w
(root) 2191 4188 w
(fileserver,) 2380 4188 w
(it) 2808 4188 w
(becomes) 2891 4188 w
(dead) 3267 4188 w
(\255) 3482 4188 w
(even) 3542 4188 w
(though) 3757 4188 w
(it) 4062 4188 w
(experienced) 4145 4188 w
(no) 4653 4188 w
(failure) 4780 4188 w
(or) 720 4308 w
(data) 831 4308 w
(corruption) 1025 4308 w
(or) 1469 4308 w
(any) 1580 4308 w
(disruption) 1752 4308 w
(in) 2186 4308 w
(its) 2292 4308 w
(normal) 2415 4308 w
(function,) 2726 4308 w
(it) 3113 4308 w
(just) 3198 4308 w
(lost) 3372 4308 w
(a) 3546 4308 w
(file) 3619 4308 w
(descriptor.) 3781 4308 w
(Deciding) 4234 4308 w
(to) 4629 4308 w
(restruc\255) 4736 4308 w
(ture boot to remove this dependency was the core insight that the rest of the tools became organized around.) 720 4428 w
10 /Times-Italic f
(Ben Kidwell, "mycroftiv") 3600 5028 w
12 /Times-Roman f
(Mycroftiv, plan9grid@9gridchan.org) 720 5028 w
12 /Times-Italic f
(Draft) 720 5268 w
(version 2, Feb 20 2013) 1011 5268 w
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