4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 only,
8 * as published by the Free Software Foundation.
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * General Public License version 2 for more details (a copy is included
14 * in the LICENSE file that accompanied this code).
16 * You should have received a copy of the GNU General Public License
17 * version 2 along with this program; If not, see
18 * http://www.gnu.org/licenses/gpl-2.0.html
23 * Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved.
24 * Use is subject to license terms.
26 * Copyright (c) 2012, 2017, Intel Corporation.
29 * This file is part of Lustre, http://www.lustre.org/
33 * Author: Peter J. Braam <braam@clusterfs.com>
34 * Author: Phil Schwan <phil@clusterfs.com>
35 * Author: Robert Read <rread@clusterfs.com>
43 #include <libcfs/util/parser.h>
44 #include <linux/lnet/lnetctl.h>
46 #include <linux/lustre/lustre_ver.h>
47 #include <lustre/lustreapi.h>
49 static int jt_pcc(int argc, char **argv);
52 * command_t pccdev_cmdlist - lctl pcc commands.
54 command_t pccdev_cmdlist[] = {
55 { .pc_name = "add", .pc_func = jt_pcc_add,
56 .pc_help = "Add a PCC backend to a client.\n"
57 "usage: lctl pcc add <mntpath> <pccpath> [--param|-p <param>]\n"
58 "\tmntpath: Lustre mount point.\n"
59 "\tpccpath: Path of the PCC backend.\n"
60 "\tparam: Setting parameters for PCC backend.\n" },
61 { .pc_name = "del", .pc_func = jt_pcc_del,
62 .pc_help = "Delete the specified PCC backend on a client.\n"
63 "usage: clt pcc del <mntpath> <pccpath>\n" },
64 { .pc_name = "clear", .pc_func = jt_pcc_clear,
65 .pc_help = "Remove all PCC backend on a client.\n"
66 "usage: lctl pcc clear <mntpath>\n" },
67 { .pc_name = "list", .pc_func = jt_pcc_list,
68 .pc_help = "List all PCC backends on a client.\n"
69 "usage: lctl pcc list <mntpath>\n" },
73 command_t cmdlist[] = {
75 {"===== metacommands =======", NULL, 0, "metacommands"},
76 {"--device", jt_opt_device, 0,
77 "run <command> after connecting to device <devno>\n"
78 "--device <devno> <command [args ...]>"},
80 /* User interface commands */
81 {"======== control =========", NULL, 0, "control commands"},
82 {"lustre_build_version", jt_get_version, 0,
83 "print version of Lustre modules\n"
84 "usage: lustre_build_version"},
86 /* Network configuration commands */
87 {"===== network config =====", NULL, 0, "network config"},
88 {"--net", jt_opt_net, 0, "run <command> after selecting network <net>\n"
89 "usage: --net <tcp/o2ib/...> <command>"},
90 {"network", jt_ptl_network, 0, "configure LNET\n"
91 "usage: network up|down"},
92 {"net", jt_ptl_network, 0, "configure LNET\n"
93 "usage: net up|down"},
94 {"list_nids", jt_ptl_list_nids, 0, "list local NIDs\n"
95 "usage: list_nids [all]"},
96 {"which_nid", jt_ptl_which_nid, 0, "choose a NID\n"
97 "usage: which_nid NID [NID...]"},
98 {"replace_nids", jt_replace_nids, 0,
99 "replace primary NIDs for device (clients/servers must be unmounted)\n"
100 "usage: replace_nids <DEVICE> <NID1>[,NID2,NID3:NID4,NID5:NID6]"},
101 {"interface_list", jt_ptl_print_interfaces, 0,
102 "print network interface entries\n"
103 "usage: interface_list"},
104 {"peer_list", jt_ptl_print_peers, 0, "print peer LNet NIDs\n"
106 {"conn_list", jt_ptl_print_connections, 0,
107 "print all the remote LNet connections\n"
109 {"route_list", jt_ptl_print_routes, 0,
110 "print the LNet routing table, same as 'show_route'\n"
111 "usage: route_list"},
112 {"show_route", jt_ptl_print_routes, 0,
113 "print the LNet routing table, same as 'route_list'\n"
114 "usage: show_route"},
115 {"ping", jt_ptl_ping, 0, "Check LNET connectivity\n"
116 "usage: ping nid [timeout [pid]]"},
117 {"net_drop_add", jt_ptl_drop_add, 0, "Add LNet drop rule\n"
118 "usage: net_drop_add <-s | --source NID>\n"
119 " <-d | --dest NID>\n"
120 " <<-r | --rate DROP_RATE> |\n"
121 " <-i | --interval SECONDS>>\n"
122 " [<-p | --portal> PORTAL...]\n"
123 " [<-m | --message> <PUT|ACK|GET|REPLY>...]\n"
124 " [< -e | --health_error]\n"},
125 {"net_drop_del", jt_ptl_drop_del, 0, "remove LNet drop rule\n"
126 "usage: net_drop_del <[-a | --all] |\n"
127 " <-s | --source NID>\n"
128 " <-d | --dest NID>>\n"},
129 {"net_drop_reset", jt_ptl_drop_reset, 0, "reset drop rule stats\n"
130 "usage: net_drop_reset"},
131 {"net_drop_list", jt_ptl_drop_list, 0, "list LNet drop rules\n"
132 "usage: net_drop_list"},
133 {"net_delay_add", jt_ptl_delay_add, 0, "Add LNet delay rule\n"
134 "usage: net_delay_add <-s | --source NID>\n"
135 " <-d | --dest NID>\n"
136 " <<-r | --rate DROP_RATE> |\n"
137 " <-i | --interval SECONDS>>\n"
138 " <-l | --latency SECONDS>\n"
139 " [<-p | --portal> PORTAL...]\n"
140 " [<-m | --message> <PUT|ACK|GET|REPLY>...]\n"},
141 {"net_delay_del", jt_ptl_delay_del, 0, "remove LNet delay rule\n"
142 "usage: net_delay_del <[-a | --all] |\n"
143 " <-s | --source NID>\n"
144 " <-d | --dest NID>>\n"},
145 {"net_delay_reset", jt_ptl_delay_reset, 0, "reset delay rule stats\n"
146 "usage: net_delay_reset"},
147 {"net_delay_list", jt_ptl_delay_list, 0, "list LNet delay rules\n"
148 "usage: net_delay_list"},
150 /* Device selection commands */
151 {"==== obd device selection ====", NULL, 0, "device selection"},
152 {"device", jt_obd_device, 0,
153 "set current device to <name|devno>\n"
154 "usage: device <%name|$name|devno>"},
155 {"cfg_device", jt_obd_device, 0,
156 "set current device to <name>, same as 'device'\n"
157 "usage: cfg_device <name>"},
158 {"device_list", jt_device_list, 0, "show all devices\n"
159 "usage: device_list [--target|-t] [--yaml|-y]"},
160 {"dl", jt_device_list, 0, "show all devices, same as 'device_list'\n"
161 "usage: dl [--target|-t] [--yaml|-y]"},
163 /* Device operations */
164 {"==== obd device operations ====", NULL, 0, "device operations"},
165 {"activate", jt_obd_activate, 0, "activate an import\n"},
166 {"deactivate", jt_obd_deactivate, 0, "deactivate an import. "
167 "This command should be used on failed OSC devices in an MDT LOV.\n"},
168 {"abort_recovery", jt_obd_abort_recovery, 0,
169 "abort recovery on a restarting MDT or OST device\n"},
170 {"abort_recovery_mdt", jt_obd_abort_recovery_mdt, 0,
171 "abort recovery between MDTs\n"},
172 {"recover", jt_obd_recover, 0,
173 "try to restore a lost connection immediately\n"
174 "usage: recover [MDC/OSC device]"},
175 {"set_timeout", jt_lcfg_set_timeout, 0,
176 "usage: conf_param obd_timeout=<secs>\n"},
177 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(3, 0, 53, 0)
178 {"conf_param", jt_lcfg_confparam, 0,
179 "set a permanent config parameter.\n"
180 "This command must be run on the MGS node\n"
181 "usage: conf_param [-d] <target.keyword=val>\n"
182 " -d Delete the permanent setting from the configuration."},
184 {"local_param", jt_lcfg_param, 0, "set a temporary, local param\n"
185 "usage: local_param <target.keyword=val>\n"},
186 {"get_param", jt_lcfg_getparam, 0, "get the Lustre or LNET parameter\n"
187 "usage: get_param [-F|n|-N|-R] <param_path1 param_path2 ...>\n"
188 "Get the value of Lustre or LNET parameter from the specified path.\n"
189 "The path can contain shell-style filename patterns.\n"
190 " -F When -N specified, add '/', '@' or '=' for directories,\n"
191 " symlinks and writeable files, respectively.\n"
192 " -n Print only the value and not parameter name.\n"
193 " -N Print only matched parameter names and not the values.\n"
194 " (Especially useful when using patterns.)\n"
195 " -R Get parameters recursively from the specified entry.\n"},
196 {"set_param", jt_lcfg_setparam, 0, "set the Lustre or LNET parameter\n"
197 "usage: set_param [-n] [-P] [-d] [-F]"
198 "<param_path1=value1 param_path2=value2 ...>\n"
199 "Set the value of the Lustre or LNET parameter at the specified path.\n"
200 " -n Disable printing of the key name when printing values.\n"
201 " -P Set the parameter permanently, filesystem-wide.\n"
202 " -d Remove the permanent setting (only with -P option).\n"
203 " -F Read permanent configuration from a YAML file.\n"},
204 {"list_param", jt_lcfg_listparam, 0,
205 "list the Lustre or LNET parameter name\n"
206 "usage: list_param [-F|-R|-D] <param_path1 param_path2 ...>\n"
207 "List the name of Lustre or LNET parameter from the specified path.\n"
208 " -F Add '/', '@' or '=' for dirs, symlinks and writeable files,\n"
210 " -D Only list directories.\n"
211 " -R Recursively list all parameters under the specified path.\n"},
212 {"del_ost", jt_del_ost, 0, "permanently delete OST records\n"
213 "usage: del_ost [--dryrun] --target <$fsname-OSTxxxx>\n"
214 "Cancel the config records for a specific OST to forget about it.\n"},
217 {"==== debugging control ====", NULL, 0, "debug"},
218 {"debug_daemon", jt_dbg_debug_daemon, 0,
219 "debug daemon control and dump to a file\n"
220 "usage: debug_daemon {start file [#MB]|stop}"},
221 {"debug_kernel", jt_dbg_debug_kernel, 0,
222 "get debug buffer and dump to a file, same as 'dk'\n"
223 "usage: debug_kernel [file] [raw]"},
224 {"dk", jt_dbg_debug_kernel, 0,
225 "get debug buffer and dump to a file, same as 'debug_kernel'\n"
226 "usage: dk [file] [raw]"},
227 {"debug_file", jt_dbg_debug_file, 0,
228 "convert a binary debug file dumped by the kernel to ASCII text\n"
229 "usage: debug_file <input> [output]"},
230 {"df", jt_dbg_debug_file, 0,
231 "read debug log from input convert to ASCII, same as 'debug_file'\n"
232 "usage: df <input> [output]"},
233 {"clear", jt_dbg_clear_debug_buf, 0, "clear kernel debug buffer\n"
235 {"mark", jt_dbg_mark_debug_buf, 0,
236 "insert marker text in kernel debug buffer\n"
237 "usage: mark <text>"},
238 {"filter", jt_dbg_filter, 0, "filter message type\n"
239 "usage: filter <subsystem id/debug mask>"},
240 {"show", jt_dbg_show, 0, "Show specific type of messages\n"
241 "usage: show <subsystem id/debug mask>"},
242 {"debug_list", jt_dbg_list, 0, "list subsystem and debug types\n"
243 "usage: debug_list <subs/types>"},
244 {"modules", jt_dbg_modules, 0,
245 "provide gdb-friendly module information\n"
246 "usage: modules <path>"},
249 {"=== Pools ==", NULL, 0, "pool management"},
250 {"pool_new", jt_pool_cmd, 0,
252 "usage: pool_new <fsname>.<poolname>"},
253 {"pool_add", jt_pool_cmd, 0,
254 "add the named OSTs to the pool\n"
255 "usage: pool_add <fsname>.<poolname> <ostname indexed list>"},
256 {"pool_remove", jt_pool_cmd, 0,
257 "remove the named OST from the pool\n"
258 "usage: pool_remove <fsname>.<poolname> <ostname indexed list>"},
259 {"pool_destroy", jt_pool_cmd, 0,
261 "usage: pool_destroy <fsname>.<poolname>"},
262 {"pool_list", jt_pool_cmd, 0,
263 "list pools and pools members\n"
264 "usage: pool_list <fsname>[.<poolname>] | <pathname>"},
266 #ifdef HAVE_SERVER_SUPPORT
267 /* Barrier commands */
268 {"=== Barrier ==", NULL, 0, "barrier management"},
269 {"barrier_freeze", jt_barrier_freeze, 0,
270 "freeze write barrier on MDTs\n"
271 "usage: barrier_freeze <fsname> [timeout (in seconds)]"},
272 {"barrier_thaw", jt_barrier_thaw, 0,
273 "thaw write barrier on MDTs\n"
274 "usage: barrier_thaw <fsname>"},
275 {"barrier_stat", jt_barrier_stat, 0,
276 "query write barrier status on MDTs\n"
277 "usage: barrier_stat [--state|-s] [--timeout|-t] <fsname>"},
278 {"barrier_rescan", jt_barrier_rescan, 0,
279 "rescan the system to filter out inactive MDT(s) for barrier\n"
280 "usage: barrier_rescan <fsname> [timeout (in seconds)]"},
282 /* Snapshot commands */
283 {"=== Snapshot ==", NULL, 0, "Snapshot management"},
284 {"snapshot_create", jt_snapshot_create, 0,
285 "create the snapshot\n"
286 "usage: snapshot_create [-b | --barrier [on | off]]\n"
287 " [-c | --comment comment]\n"
288 " <-F | --fsname fsname>\n"
289 " [-h | --help] <-n | --name ssname>\n"
290 " [-r | --rsh remote_shell]\n"
291 " [-t | --timeout timeout]"},
292 {"snapshot_destroy", jt_snapshot_destroy, 0,
293 "destroy the snapshot\n"
294 "usage: snapshot_destroy [-f | --force]\n"
295 " <-F | --fsname fsname> [-h | --help]\n"
296 " <-n | --name ssname>\n"
297 " [-r | --rsh remote_shell]"},
298 {"snapshot_modify", jt_snapshot_modify, 0,
299 "modify the snapshot\n"
300 "usage: snapshot_modify [-c | --comment comment]\n"
301 " <-F | --fsname fsname> [-h | --help]\n"
302 " <-n | --name ssname> [-N | --new new_ssname]\n"
303 " [-r | --rsh remote_shell]"},
304 {"snapshot_list", jt_snapshot_list, 0,
305 "query the snapshot(s)\n"
306 "usage: snapshot_list [-d | --detail]\n"
307 " <-F | --fsname fsname> [-h | --help]\n"
308 " [-n | --name ssname] [-r | --rsh remote_shell]"},
309 {"snapshot_mount", jt_snapshot_mount, 0,
310 "mount the snapshot\n"
311 "usage: snapshot_mount <-F | --fsname fsname> [-h | --help]\n"
312 " <-n | --name ssname>\n"
313 " [-r | --rsh remote_shell]"},
314 {"snapshot_umount", jt_snapshot_umount, 0,
315 "umount the snapshot\n"
316 "usage: snapshot_umount <-F | --fsname fsname> [-h | --help]\n"
317 " <-n | --name ssname>\n"
318 " [-r | --rsh remote_shell]"},
319 #endif /* HAVE_SERVER_SUPPORT */
320 /* Nodemap commands */
321 {"=== Nodemap ===", NULL, 0, "nodemap management"},
322 {"nodemap_activate", jt_nodemap_activate, 0,
323 "activate nodemap idmapping functions\n"
324 "usage: nodemap_activate {0|1}"},
325 {"nodemap_add", jt_nodemap_add, 0,
326 "add a new nodemap\n"
327 "usage: nodemap_add <nodemap_name>"},
328 {"nodemap_del", jt_nodemap_del, 0,
330 "usage: nodemap_del <nodemap_name>"},
331 {"nodemap_add_range", jt_nodemap_add_range, 0,
332 "add a range to a nodemap\n"
333 "usage: nodemap_add_range <nid_range>"},
334 {"nodemap_del_range", jt_nodemap_del_range, 0,
335 "add a range to a nodemap\n"
336 "usage: nodemap_del_range <nid_range>"},
337 {"nodemap_modify", jt_nodemap_modify, 0,
338 "modify a nodemap parameters\n"
339 "usage: nodemap_modify nodemap_name param value"},
340 {"nodemap_add_idmap", jt_nodemap_add_idmap, 0,
341 "add a UID or GID mapping to a nodemap"},
342 {"nodemap_del_idmap", jt_nodemap_del_idmap, 0,
343 "delete a UID or GID mapping from a nodemap"},
344 {"nodemap_set_fileset", jt_nodemap_set_fileset, 0,
345 "set a fileset on a nodemap\n"
346 "usage: nodemap_set_fileset <fileset>"},
347 {"nodemap_set_sepol", jt_nodemap_set_sepol, 0,
348 "set SELinux policy info on a nodemap\n"
349 "usage: nodemap_set_sepol <SELinux policy info>"},
350 {"nodemap_test_nid", jt_nodemap_test_nid, 0,
351 "usage: nodemap_test_nid <nid>"},
352 {"nodemap_test_id", jt_nodemap_test_id, 0,
353 "Usage: nodemap_test_id --nid <nid> --idtype [uid|gid] --id <id>"},
354 {"nodemap_info", jt_nodemap_info, 0,
355 "Usage: nodemap_info [list|nodemap_name|all]"},
357 /* Changelog commands */
358 {"=== Changelogs ==", NULL, 0, "changelog user management"},
359 {"changelog_register", jt_changelog_register, 0,
360 "register a new persistent changelog user, returns id\n"
361 "usage: --device <mdtname> changelog_register [--help|-h]\n"
362 " [--mask|-m <[+|-]mask1[<,|+|->mask2...]>]\n"
364 " [--user|-u <username>]"},
365 {"changelog_deregister", jt_changelog_deregister, 0,
366 "deregister an existing changelog user\n"
367 "usage: --device <mdtname> changelog_deregister [<id>|cl<id>...]\n"
369 " [--user|-u <username>]\n"},
371 /* Persistent Client Cache (PCC) commands */
372 {"=== Persistent Client Cache ===", NULL, 0, "PCC user management"},
373 {"pcc", jt_pcc, pccdev_cmdlist,
374 "lctl commands used to interact with PCC features:\n"
375 "lctl pcc add - add a PCC backend to a client\n"
376 "lctl pcc del - delete a PCC backend on a client\n"
377 "lctl pcc clear - remove all PCC backends on a client\n"
378 "lctl pcc list - list all PCC backends on a client\n"},
380 /* Device configuration commands */
381 {"== device setup (these are not normally used post 1.4) ==",
382 NULL, 0, "device config"},
383 {"attach", jt_lcfg_attach, 0,
384 "set the type, name, and uuid of the current device\n"
385 "usage: attach type name uuid"},
386 {"detach", jt_obd_detach, 0,
387 "remove driver (and name and uuid) from current device\n"
389 {"setup", jt_lcfg_setup, 0,
390 "type specific device configuration information\n"
391 "usage: setup <args...>"},
392 {"cleanup", jt_obd_cleanup, 0, "cleanup previously setup device\n"
393 "usage: cleanup [force | failover]"},
395 #ifdef HAVE_SERVER_SUPPORT
397 {"==== LFSCK ====", NULL, 0, "LFSCK"},
398 {"lfsck_start", jt_lfsck_start, 0, "start LFSCK\n"
399 "usage: lfsck_start [--device|-M [MDT,OST]_device]\n"
400 " [--all|-A] [--create-ostobj|-c [on | off]]\n"
401 " [--create-mdtobj|-C [on | off]]\n"
402 " [--delay-create-ostobj|-d [on | off]]\n"
403 " [--error|-e {continue | abort}] [--help|-h]\n"
404 " [--dryrun|-n [on | off]] [--orphan|-o]\n"
405 " [--reset|-r] [--speed|-s speed_limit]\n"
406 " [--type|-t lfsck_type[,lfsck_type...]]\n"
407 " [--window-size|-w size]"},
408 {"lfsck_stop", jt_lfsck_stop, 0, "stop lfsck(s)\n"
409 "usage: lfsck_stop [--device|-M [MDT,OST]_device]\n"
410 " [--all|-A] [--help|-h]"},
411 {"lfsck_query", jt_lfsck_query, 0, "check lfsck(s) status\n"
412 "usage: lfsck_query [--device|-M MDT_device] [--help|-h]\n"
413 " [--type|-t lfsck_type[,lfsck_type...]]\n"
416 /* Llog operations */
417 {"==== LLOG ====", NULL, 0, "LLOG"},
418 {"llog_catlist", jt_llog_catlist, 0,
419 "list all catalog files on current device. If current device is not\n"
420 "set, MGS device is used by default.\n"
421 "usage: llog_catlist"},
422 {"llog_info", jt_llog_info, 0,
423 "print log header information.\n"
424 "usage: llog_info {LOGNAME|FID}\n"},
425 {"llog_print", jt_llog_print, 0,
426 "print all effective log records by default, or within given range.\n"
427 "With --raw option skipped records are printed as well.\n"
428 "usage: llog_print {LOGNAME|FID} [--start INDEX] [--end INDEX]\n"
430 {"llog_cancel", jt_llog_cancel, 0,
431 "cancel one record in specified log.\n"
432 "usage:llog_cancel {LOGNAME|FID} --log_idx INDEX\n"},
433 {"llog_check", jt_llog_check, 0,
434 "verify that log content is valid.\n"
435 "usage: llog_check {LOGNAME|FID} [--start INDEX] [--end INDEX]\n"
436 " check all records from index 1 by default."},
437 {"llog_remove", jt_llog_remove, 0,
438 "remove one log from catalog or plain log, erase it from disk.\n"
439 "usage: llog_remove {LOGNAME|FID} [--log_id ID]"},
440 {"lcfg_clear", jt_lcfg_clear, 0,
441 "drop unused config llog records for a device or filesystem.\n"
442 "clients and servers must be unmounted during this operation.\n"
443 "usage: clear_conf {FSNAME|DEVNAME}"},
444 {"clear_conf", jt_lcfg_clear, 0, "alias for 'lcfg_clear'\n"},
445 {"lcfg_fork", jt_lcfg_fork, 0,
446 "copy configuration logs for named filesystem with given name\n"
447 "usage: fork_lcfg FSNAME NEWNAME"},
448 {"fork_lcfg", jt_lcfg_fork, 0, "alias for 'lcfg_fork'\n"},
449 {"lcfg_erase", jt_lcfg_erase, 0,
450 "permanently erase configuration logs for the named filesystem\n"
451 "usage: erase_lcfg FSNAME"},
452 {"erase_lcfg", jt_lcfg_erase, 0, "alias for 'lcfg_erase'\n"},
453 #endif /* HAVE_SERVER_SUPPORT */
455 {"==== obsolete (DANGEROUS) ====", NULL, 0, "obsolete (DANGEROUS)"},
456 /* network operations */
457 {"add_interface", jt_ptl_add_interface, 0, "add interface entry\n"
458 "usage: add_interface ip [netmask]"},
459 {"del_interface", jt_ptl_del_interface, 0, "del interface entry\n"
460 "usage: del_interface [ip]"},
461 {"add_route", jt_ptl_add_route, 0,
462 "add an entry to the LNet routing table\n"
463 "usage: add_route <gateway> [<hops> [<priority>]]"},
464 {"del_route", jt_ptl_del_route, 0,
465 "delete route via gateway to targets from the LNet routing table\n"
466 "usage: del_route <gateway> [<target>] [<target>]"},
467 {"set_route", jt_ptl_notify_router, 0,
468 "enable/disable routes via gateway in the LNet routing table\n"
469 "usage: set_route <gateway> <up/down> [<time>]"},
471 /* Test only commands */
472 {"==== testing (DANGEROUS) ====", NULL, 0, "testing (DANGEROUS)"},
473 {"--threads", jt_opt_threads, 0,
474 "run <threads> separate instances of <command> on device <devno>\n"
475 "--threads <threads> <verbose> <devno> <command [args ...]>"},
476 {"lookup", jt_obd_mdc_lookup, 0, "report file mode info\n"
477 "usage: lookup <directory> <file>"},
478 {"readonly", jt_obd_set_readonly, 0,
479 "disable writes to the underlying device\n"},
480 #ifdef HAVE_SERVER_SUPPORT
481 {"notransno", jt_obd_no_transno, 0,
482 "disable sending of committed-transno updates\n"},
484 {"add_uuid", jt_lcfg_add_uuid, 0, "associate a UUID with a NID\n"
485 "usage: add_uuid <uuid> <nid>"},
486 {"del_uuid", jt_lcfg_del_uuid, 0, "delete a UUID association\n"
487 "usage: del_uuid <uuid>"},
488 {"add_peer", jt_ptl_add_peer, 0, "add an peer entry\n"
489 "usage: add_peer <nid> <host> <port>"},
490 {"del_peer", jt_ptl_del_peer, 0, "remove an peer entry\n"
491 "usage: del_peer [<nid>] [<ipaddr|pid>]"},
492 {"add_conn ", jt_lcfg_add_conn, 0,
493 "usage: add_conn <conn_uuid> [priority]\n"},
494 {"del_conn ", jt_lcfg_del_conn, 0,
495 "usage: del_conn <conn_uuid>"},
496 {"disconnect", jt_ptl_disconnect, 0, "disconnect from a remote NID\n"
497 "usage: disconnect [<nid>]"},
498 {"push", jt_ptl_push_connection, 0, "flush connection to a remote NID\n"
499 "usage: push [<nid>]"},
500 {"mynid", jt_ptl_mynid, 0, "inform the LND of the local NID. "
501 "The NID defaults to hostname for TCP networks.\n"
502 "usage: mynid [<nid>]"},
503 {"fail", jt_ptl_fail_nid, 0, "fail/restore network communications\n"
504 "Omitting the count means indefinitely, 0 means restore, "
505 "otherwise fail 'count' messages.\n"
506 "usage: fail nid|_all_ [count]"},
508 /* Test commands for echo client */
509 {"test_create", jt_obd_test_create, 0,
510 "create files on MDT by echo client\n"
511 "usage: test_create [-d parent_basedir] <-D parent_count> "
512 "[-b child_base_id] <-c stripe_count> <-n count> <-t time>\n"},
513 {"test_mkdir", jt_obd_test_mkdir, 0,
514 "mkdir on MDT by echo client\n"
515 "usage: test_mkdir [-d parent_basedir] <-D parent_count>"
516 "[-b child_base_id] [-n count] <-t time>\n"},
517 {"test_destroy", jt_obd_test_destroy, 0,
518 "Destroy files on MDT by echo client\n"
519 "usage: test_destroy [-d parent_basedir] <-D parent_count>"
520 "[-b child_base_id] [-n count] <-t time>\n"},
521 {"test_rmdir", jt_obd_test_rmdir, 0,
522 "rmdir on MDT by echo client\n"
523 "usage: test_rmdir [-d parent_basedir] <-D parent_count>"
524 "[-b child_base_id] [-n count] <-t time>\n"},
525 {"test_lookup", jt_obd_test_lookup, 0,
526 "lookup files on MDT by echo client\n"
527 "usage: test_lookup [-d parent_basedir] <-D parent_count>"
528 "[-b child_base_id] [-n count] <-t time>\n"},
529 {"test_setxattr", jt_obd_test_setxattr, 0,
530 "Set EA for files/directory on MDT by echo client\n"
531 "usage: test_setxattr [-d parent_baseid] <-D parent_count>"
532 "[-b child_base_id] [-n count] <-t time>\n"},
533 {"test_md_getattr", jt_obd_test_md_getattr, 0,
534 "getattr files on MDT by echo client\n"
535 "usage: test_md_getattr [-d parent_basedir] <-D parent_count>"
536 "[-b child_base_id] [-n count] <-t time>\n"},
537 {"getattr", jt_obd_getattr, 0,
538 "get attribute for OST object <objid>\n"
539 "usage: getattr <objid>"},
540 {"setattr", jt_obd_setattr, 0,
541 "set mode attribute for OST object <objid>\n"
542 "usage: setattr <objid> <mode>"},
543 {"create", jt_obd_create, 0,
544 "create <num> OST objects (with <mode>)\n"
545 "usage: create [num [mode [verbose [lsm data]]]]"},
546 {"destroy", jt_obd_destroy, 0,
547 "destroy OST object <objid> [num [verbose]]\n"
548 "usage: destroy <num> objects, starting at objid <objid>"},
549 {"test_getattr", jt_obd_test_getattr, 0,
550 "do <num> getattrs (on OST object <objid> (objid+1 on each thread))\n"
551 "usage: test_getattr <num> [verbose [[t]objid]]"},
552 {"test_setattr", jt_obd_test_setattr, 0,
553 "do <num> setattrs (on OST object <objid> (objid+1 on each thread))\n"
554 "usage: test_setattr <num> [verbose [[t]objid]]"},
555 {"test_brw", jt_obd_test_brw, 0,
556 "do <num> bulk read/writes (<npages> per I/O, on OST object <objid>)\n"
557 "usage: test_brw [t]<num> [write [verbose [npages [[t]objid]]]]"},
558 {"getobjversion", jt_get_obj_version, 0,
559 "get the version of an object on servers\n"
560 "usage: getobjversion <fid>\n"
561 " getobjversion -i <id> -g <group>"},
566 * jt_pcc() - Parse and execute lctl pcc commands.
567 * @argc: The count of lctl pcc command line arguments.
568 * @argv: Array of strings for lctl pcc command line arguments.
570 * This function parses lfs pcc commands and performs the
571 * corresponding functions specified in pccdev_cmdlist[].
573 * Return: 0 on success or an error code on failure.
575 static int jt_pcc(int argc, char **argv)
582 snprintf(cmd, sizeof(cmd), "%s %s", program_invocation_short_name,
584 program_invocation_short_name = cmd;
585 rc = cfs_parser(argc, argv, pccdev_cmdlist);
587 return rc < 0 ? -rc : rc;
590 int lctl_main(int argc, char **argv)
596 if (ptl_initialize(argc, argv) < 0)
598 if (obd_initialize(argc, argv) < 0)
600 if (dbg_initialize(argc, argv) < 0)
603 llapi_set_command_name(argv[1]);
604 rc = cfs_parser(argc, argv, cmdlist);
605 llapi_clear_command_name();
606 obd_finalize(argc, argv);
608 return rc < 0 ? -rc : rc;
611 int main(int argc, char **argv)
613 return lctl_main(argc, argv);