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64c4757e | 1 | /* |
9a9dab36 | 2 | * mdadm - manage Linux "md" devices aka RAID arrays. |
64c4757e | 3 | * |
6f02172d | 4 | * Copyright (C) 2001-2013 Neil Brown <neilb@suse.de> |
64c4757e NB |
5 | * |
6 | * | |
7 | * This program is free software; you can redistribute it and/or modify | |
8 | * it under the terms of the GNU General Public License as published by | |
9 | * the Free Software Foundation; either version 2 of the License, or | |
10 | * (at your option) any later version. | |
11 | * | |
12 | * This program is distributed in the hope that it will be useful, | |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | * GNU General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU General Public License | |
18 | * along with this program; if not, write to the Free Software | |
19 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
20 | * | |
21 | * Author: Neil Brown | |
e736b623 | 22 | * Email: <neilb@suse.de> |
c82f047c | 23 | * |
aba69144 | 24 | * Additions for bitmap and write-behind RAID options, Copyright (C) 2003-2004, |
c82f047c | 25 | * Paul Clements, SteelEye Technology, Inc. |
64c4757e NB |
26 | */ |
27 | ||
9a9dab36 | 28 | #include "mdadm.h" |
64c4757e | 29 | #include "md_p.h" |
dd0781e5 | 30 | #include <ctype.h> |
64c4757e | 31 | |
4977146a N |
32 | static int scan_assemble(struct supertype *ss, |
33 | struct context *c, | |
34 | struct mddev_ident *ident); | |
ef898ce6 | 35 | static int misc_scan(char devmode, struct context *c); |
ba728be7 | 36 | static int stop_scan(int verbose); |
7d27d1c0 | 37 | static int misc_list(struct mddev_dev *devlist, |
86da243f | 38 | struct mddev_ident *ident, |
74db60b0 | 39 | char *dump_directory, |
86da243f | 40 | struct supertype *ss, struct context *c); |
d56dd607 | 41 | const char Name[] = "mdadm"; |
7d27d1c0 | 42 | |
52826846 NB |
43 | int main(int argc, char *argv[]) |
44 | { | |
e0d19036 | 45 | int mode = 0; |
52826846 | 46 | int opt; |
e0d19036 | 47 | int option_index; |
52826846 | 48 | int rv; |
f9ce90ba | 49 | int i; |
52826846 | 50 | |
a93f8c65 | 51 | unsigned long long array_size = 0; |
fa56eddb | 52 | struct mddev_ident ident; |
52826846 | 53 | char *configfile = NULL; |
1c7a808c | 54 | int devmode = 0; |
c82f047c | 55 | int bitmap_fd = -1; |
a655e550 N |
56 | struct mddev_dev *devlist = NULL; |
57 | struct mddev_dev **devlistend = & devlist; | |
58 | struct mddev_dev *dv; | |
1b7eb962 | 59 | mdu_array_info_t array; |
52826846 | 60 | int devs_found = 0; |
2dddadb0 | 61 | int grow_continue = 0; |
f1ae21c4 NB |
62 | /* autof indicates whether and how to create device node. |
63 | * bottom 3 bits are style. Rest (when shifted) are number of parts | |
64 | * 0 - unset | |
65 | * 1 - don't create (no) | |
66 | * 2 - if is_standard, then create (yes) | |
67 | * 3 - create as 'md' - reject is_standard mdp (md) | |
68 | * 4 - create as 'mdp' - reject is_standard md (mdp) | |
69 | * 5 - default to md if not is_standard (md in config file) | |
70 | * 6 - default to mdp if not is_standard (part, or mdp in config file) | |
71 | */ | |
9e33d556 N |
72 | struct context c = { |
73 | .require_homehost = 1, | |
74 | }; | |
e705e81b | 75 | struct shape s = { |
cc1799c3 | 76 | .journaldisks = 0, |
e705e81b N |
77 | .level = UnSet, |
78 | .layout = UnSet, | |
79 | .bitmap_chunk = UnSet, | |
b7580566 | 80 | .consistency_policy = CONSISTENCY_POLICY_UNKNOWN, |
ae5dfc56 | 81 | .data_offset = INVALID_SECTORS, |
e705e81b | 82 | }; |
52826846 | 83 | |
05697ec1 | 84 | char sys_hostname[256]; |
52826846 NB |
85 | char *mailaddr = NULL; |
86 | char *program = NULL; | |
9a36a9b7 | 87 | int increments = 20; |
d013a55e | 88 | int daemonise = 0; |
b5e64645 | 89 | char *pidfile = NULL; |
aa88f531 | 90 | int oneshot = 0; |
edde9560 | 91 | int spare_sharing = 1; |
82d9eba6 | 92 | struct supertype *ss = NULL; |
e22fe3ae N |
93 | enum flag_mode writemostly = FlagDefault; |
94 | enum flag_mode failfast = FlagDefault; | |
c06487ce | 95 | char *shortopt = short_options; |
773135f5 | 96 | int dosyslog = 0; |
8382f19b | 97 | int rebuild_map = 0; |
950bc344 | 98 | char *remove_path = NULL; |
20b60dcd | 99 | char *udev_filename = NULL; |
74db60b0 | 100 | char *dump_directory = NULL; |
52826846 | 101 | |
3d4064cc | 102 | int print_help = 0; |
0047d254 | 103 | FILE *outf; |
e5329c37 | 104 | |
52826846 | 105 | int mdfd = -1; |
1b7eb962 | 106 | int locked = 0; |
52826846 | 107 | |
dfe47e00 NB |
108 | srandom(time(0) ^ getpid()); |
109 | ||
8ea98217 | 110 | ident.uuid_set = 0; |
98c6faba NB |
111 | ident.level = UnSet; |
112 | ident.raid_disks = UnSet; | |
8ea98217 JS |
113 | ident.super_minor = UnSet; |
114 | ident.devices = 0; | |
a75f2fbc NB |
115 | ident.spare_group = NULL; |
116 | ident.autof = 0; | |
a825febc | 117 | ident.st = NULL; |
c82f047c | 118 | ident.bitmap_fd = -1; |
7ef02d01 | 119 | ident.bitmap_file = NULL; |
947fd4dd | 120 | ident.name[0] = 0; |
aef35714 N |
121 | ident.container = NULL; |
122 | ident.member = NULL; | |
52826846 | 123 | |
dcf3d4de JS |
124 | if (get_linux_version() < 2006015) { |
125 | pr_err("This version of mdadm does not support kernels older than 2.6.15\n"); | |
126 | exit(1); | |
127 | } | |
128 | ||
8ea98217 JS |
129 | while ((option_index = -1), |
130 | (opt = getopt_long(argc, argv, shortopt, long_options, | |
131 | &option_index)) != -1) { | |
e0d19036 | 132 | int newmode = mode; |
35904960 | 133 | /* firstly, some mode-independent options */ |
52826846 | 134 | switch(opt) { |
1c7a808c N |
135 | case HelpOptions: |
136 | print_help = 2; | |
137 | continue; | |
52826846 | 138 | case 'h': |
1c7a808c | 139 | print_help = 1; |
3d4064cc | 140 | continue; |
52826846 NB |
141 | |
142 | case 'V': | |
143 | fputs(Version, stderr); | |
144 | exit(0); | |
145 | ||
9e33d556 | 146 | case 'v': c.verbose++; |
52826846 NB |
147 | continue; |
148 | ||
0937132d | 149 | case 'q': c.verbose--; |
dab6685f NB |
150 | continue; |
151 | ||
c82f047c | 152 | case 'b': |
9d1fbf65 JS |
153 | if (mode == ASSEMBLE || mode == BUILD || |
154 | mode == CREATE || mode == GROW || | |
155 | mode == INCREMENTAL || mode == MANAGE) | |
c82f047c | 156 | break; /* b means bitmap */ |
1c7a808c | 157 | case Brief: |
9e33d556 | 158 | c.brief = 1; |
cd29a5c8 NB |
159 | continue; |
160 | ||
d11abe4b CL |
161 | case NoDevices: |
162 | c.no_devices = 1; | |
163 | continue; | |
164 | ||
9e33d556 | 165 | case 'Y': c.export++; |
54bad364 KS |
166 | continue; |
167 | ||
997aed5d | 168 | case HomeHost: |
0ac91628 | 169 | if (strcasecmp(optarg, "<ignore>") == 0) |
9e33d556 | 170 | c.require_homehost = 0; |
0ac91628 | 171 | else |
9e33d556 | 172 | c.homehost = optarg; |
997aed5d NB |
173 | continue; |
174 | ||
08ca2adf | 175 | case OffRootOpt: |
3e23ba9d | 176 | /* Silently ignore old option */ |
08ca2adf JS |
177 | continue; |
178 | ||
c2ecf5f6 | 179 | case Prefer: |
9e33d556 N |
180 | if (c.prefer) |
181 | free(c.prefer); | |
182 | if (asprintf(&c.prefer, "/%s/", optarg) <= 0) | |
183 | c.prefer = NULL; | |
c2ecf5f6 N |
184 | continue; |
185 | ||
e0d19036 NB |
186 | case ':': |
187 | case '?': | |
188 | fputs(Usage, stderr); | |
189 | exit(2); | |
190 | } | |
191 | /* second, figure out the mode. | |
192 | * Some options force the mode. Others | |
aba69144 | 193 | * set the mode if it isn't already |
e0d19036 NB |
194 | */ |
195 | ||
196 | switch(opt) { | |
1c7a808c | 197 | case ManageOpt: |
c06487ce | 198 | newmode = MANAGE; |
024768c4 | 199 | shortopt = short_bitmap_options; |
c06487ce | 200 | break; |
e0d19036 | 201 | case 'a': |
1c7a808c | 202 | case Add: |
f33a71f1 | 203 | case AddSpare: |
01290056 | 204 | case AddJournal: |
e0d19036 | 205 | case 'r': |
1c7a808c | 206 | case Remove: |
70c55e36 N |
207 | case Replace: |
208 | case With: | |
e0d19036 | 209 | case 'f': |
1c7a808c | 210 | case Fail: |
41a3b72a | 211 | case ReAdd: /* re-add */ |
4de90913 | 212 | case ClusterConfirm: |
c06487ce NB |
213 | if (!mode) { |
214 | newmode = MANAGE; | |
024768c4 | 215 | shortopt = short_bitmap_options; |
c06487ce | 216 | } |
0320ea45 | 217 | break; |
e0d19036 | 218 | |
18361a1a N |
219 | case 'A': newmode = ASSEMBLE; |
220 | shortopt = short_bitmap_auto_options; | |
221 | break; | |
222 | case 'B': newmode = BUILD; | |
223 | shortopt = short_bitmap_auto_options; | |
224 | break; | |
225 | case 'C': newmode = CREATE; | |
226 | shortopt = short_bitmap_auto_options; | |
227 | break; | |
228 | case 'F': newmode = MONITOR; | |
6c9d9260 | 229 | shortopt = short_monitor_options; |
18361a1a | 230 | break; |
024768c4 DL |
231 | case 'G': newmode = GROW; |
232 | shortopt = short_bitmap_options; | |
233 | break; | |
95b79df0 | 234 | case 'I': newmode = INCREMENTAL; |
18361a1a N |
235 | shortopt = short_bitmap_auto_options; |
236 | break; | |
1f48664b | 237 | case AutoDetect: |
5a53aeec JS |
238 | newmode = AUTODETECT; |
239 | break; | |
e0d19036 | 240 | |
1c7a808c | 241 | case MiscOpt: |
e0d19036 NB |
242 | case 'D': |
243 | case 'E': | |
c82f047c | 244 | case 'X': |
5a53aeec | 245 | case 'Q': |
6d388a88 | 246 | case ExamineBB: |
74db60b0 N |
247 | case Dump: |
248 | case Restore: | |
a740cf64 | 249 | case Action: |
5a53aeec JS |
250 | newmode = MISC; |
251 | break; | |
252 | ||
e0d19036 NB |
253 | case 'R': |
254 | case 'S': | |
255 | case 'o': | |
256 | case 'w': | |
b90c0e9a | 257 | case 'W': |
1c7a808c | 258 | case WaitOpt: |
1770662b | 259 | case Waitclean: |
4cce4069 | 260 | case DetailPlatform: |
33414a01 | 261 | case KillSubarray: |
aa534678 | 262 | case UpdateSubarray: |
20b60dcd | 263 | case UdevRules: |
f7d3febc | 264 | case KillOpt: |
5a53aeec JS |
265 | if (!mode) |
266 | newmode = MISC; | |
267 | break; | |
268 | ||
269 | case NoSharing: | |
270 | newmode = MONITOR; | |
271 | break; | |
e0d19036 NB |
272 | } |
273 | if (mode && newmode == mode) { | |
274 | /* everybody happy ! */ | |
275 | } else if (mode && newmode != mode) { | |
276 | /* not allowed.. */ | |
e7b84f9d | 277 | pr_err(""); |
e0d19036 NB |
278 | if (option_index >= 0) |
279 | fprintf(stderr, "--%s", long_options[option_index].name); | |
280 | else | |
281 | fprintf(stderr, "-%c", opt); | |
e6b64cd0 | 282 | fprintf(stderr, " would set mdadm mode to \"%s\", but it is already set to \"%s\".\n", |
5f21d674 MT |
283 | map_num_s(modes, newmode), |
284 | map_num_s(modes, mode)); | |
e0d19036 NB |
285 | exit(2); |
286 | } else if (!mode && newmode) { | |
287 | mode = newmode; | |
dec18cae | 288 | if (mode == MISC && devs_found) { |
e7b84f9d | 289 | pr_err("No action given for %s in --misc mode\n", |
dec18cae | 290 | devlist->devname); |
d33f1518 | 291 | cont_err("Action options must come before device names\n"); |
dec18cae N |
292 | exit(2); |
293 | } | |
e0d19036 NB |
294 | } else { |
295 | /* special case of -c --help */ | |
1c7a808c | 296 | if ((opt == 'c' || opt == ConfigFile) && |
9d1fbf65 JS |
297 | (strncmp(optarg, "--h", 3) == 0 || |
298 | strncmp(optarg, "-h", 2) == 0)) { | |
0047d254 | 299 | fputs(Help_config, stdout); |
e0d19036 | 300 | exit(0); |
cd29a5c8 | 301 | } |
0320ea45 NB |
302 | |
303 | /* If first option is a device, don't force the mode yet */ | |
304 | if (opt == 1) { | |
305 | if (devs_found == 0) { | |
503975b9 | 306 | dv = xmalloc(sizeof(*dv)); |
0320ea45 NB |
307 | dv->devname = optarg; |
308 | dv->disposition = devmode; | |
dfd4d8ee | 309 | dv->writemostly = writemostly; |
71574efb | 310 | dv->failfast = failfast; |
da6b5ca9 | 311 | dv->used = 0; |
0320ea45 NB |
312 | dv->next = NULL; |
313 | *devlistend = dv; | |
314 | devlistend = &dv->next; | |
aba69144 | 315 | |
0320ea45 NB |
316 | devs_found++; |
317 | continue; | |
318 | } | |
319 | /* No mode yet, and this is the second device ... */ | |
e7b84f9d | 320 | pr_err("An option must be given to set the mode before a second device\n" |
a1331cc4 | 321 | " (%s) is listed\n", optarg); |
0320ea45 NB |
322 | exit(2); |
323 | } | |
e0d19036 | 324 | if (option_index >= 0) |
e7b84f9d | 325 | pr_err("--%s", long_options[option_index].name); |
e0d19036 | 326 | else |
e7b84f9d | 327 | pr_err("-%c", opt); |
0320ea45 | 328 | fprintf(stderr, " does not set the mode, and so cannot be the first option.\n"); |
e0d19036 NB |
329 | exit(2); |
330 | } | |
331 | ||
332 | /* if we just set the mode, then done */ | |
333 | switch(opt) { | |
1c7a808c N |
334 | case ManageOpt: |
335 | case MiscOpt: | |
e0d19036 NB |
336 | case 'A': |
337 | case 'B': | |
338 | case 'C': | |
339 | case 'F': | |
dd0781e5 | 340 | case 'G': |
8382f19b | 341 | case 'I': |
1f48664b | 342 | case AutoDetect: |
e0d19036 NB |
343 | continue; |
344 | } | |
345 | if (opt == 1) { | |
9eafa1de | 346 | /* an undecorated option - must be a device name. |
e0d19036 | 347 | */ |
9eafa1de MN |
348 | |
349 | if (devs_found > 0 && devmode == DetailPlatform) { | |
350 | pr_err("controller may only be specified once. %s ignored\n", | |
351 | optarg); | |
352 | continue; | |
353 | } | |
354 | ||
1c7a808c | 355 | if (devs_found > 0 && mode == MANAGE && !devmode) { |
7a862a02 | 356 | pr_err("Must give one of -a/-r/-f for subsequent devices at %s\n", optarg); |
52826846 NB |
357 | exit(2); |
358 | } | |
1c7a808c | 359 | if (devs_found > 0 && mode == GROW && !devmode) { |
7a862a02 | 360 | pr_err("Must give -a/--add for devices to add: %s\n", optarg); |
e5329c37 NB |
361 | exit(2); |
362 | } | |
503975b9 | 363 | dv = xmalloc(sizeof(*dv)); |
cd29a5c8 NB |
364 | dv->devname = optarg; |
365 | dv->disposition = devmode; | |
dfd4d8ee | 366 | dv->writemostly = writemostly; |
71574efb | 367 | dv->failfast = failfast; |
9008ed1c | 368 | dv->used = 0; |
cd29a5c8 NB |
369 | dv->next = NULL; |
370 | *devlistend = dv; | |
371 | devlistend = &dv->next; | |
aba69144 | 372 | |
52826846 NB |
373 | devs_found++; |
374 | continue; | |
682c7051 | 375 | } |
682c7051 | 376 | |
52826846 NB |
377 | /* We've got a mode, and opt is now something else which |
378 | * could depend on the mode */ | |
1c7a808c | 379 | #define O(a,b) ((a<<16)|b) |
52826846 | 380 | switch (O(mode,opt)) { |
7236ee7a | 381 | case O(GROW,'c'): |
1c7a808c | 382 | case O(GROW,ChunkSize): |
e0d19036 | 383 | case O(CREATE,'c'): |
1c7a808c | 384 | case O(CREATE,ChunkSize): |
e0d19036 | 385 | case O(BUILD,'c'): /* chunk or rounding */ |
1c7a808c | 386 | case O(BUILD,ChunkSize): /* chunk or rounding */ |
e705e81b | 387 | if (s.chunk) { |
7a862a02 | 388 | pr_err("chunk/rounding may only be specified once. Second value is %s.\n", optarg); |
52826846 NB |
389 | exit(2); |
390 | } | |
e705e81b | 391 | s.chunk = parse_size(optarg); |
822e393a N |
392 | if (s.chunk == INVALID_SECTORS || |
393 | s.chunk < 8 || (s.chunk&1)) { | |
e7b84f9d | 394 | pr_err("invalid chunk/rounding value: %s\n", |
52826846 NB |
395 | optarg); |
396 | exit(2); | |
397 | } | |
a252c078 | 398 | /* Convert sectors to K */ |
e705e81b | 399 | s.chunk /= 2; |
52826846 | 400 | continue; |
64c4757e | 401 | |
8382f19b | 402 | case O(INCREMENTAL, 'e'): |
f9ce90ba NB |
403 | case O(CREATE,'e'): |
404 | case O(ASSEMBLE,'e'): | |
405 | case O(MISC,'e'): /* set metadata (superblock) information */ | |
406 | if (ss) { | |
e7b84f9d | 407 | pr_err("metadata information already given\n"); |
f9ce90ba NB |
408 | exit(2); |
409 | } | |
8ea98217 | 410 | for(i = 0; !ss && superlist[i]; i++) |
82d9eba6 NB |
411 | ss = superlist[i]->match_metadata_desc(optarg); |
412 | ||
f9ce90ba | 413 | if (!ss) { |
e7b84f9d | 414 | pr_err("unrecognised metadata identifier: %s\n", optarg); |
f9ce90ba NB |
415 | exit(2); |
416 | } | |
417 | continue; | |
418 | ||
dfd4d8ee | 419 | case O(MANAGE,'W'): |
1c7a808c | 420 | case O(MANAGE,WriteMostly): |
dfd4d8ee | 421 | case O(BUILD,'W'): |
1c7a808c | 422 | case O(BUILD,WriteMostly): |
dfd4d8ee | 423 | case O(CREATE,'W'): |
1c7a808c | 424 | case O(CREATE,WriteMostly): |
dfd4d8ee | 425 | /* set write-mostly for following devices */ |
e22fe3ae | 426 | writemostly = FlagSet; |
dfd4d8ee NB |
427 | continue; |
428 | ||
b3d31955 N |
429 | case O(MANAGE,'w'): |
430 | /* clear write-mostly for following devices */ | |
e22fe3ae | 431 | writemostly = FlagClear; |
b3d31955 N |
432 | continue; |
433 | ||
71574efb N |
434 | case O(MANAGE,FailFast): |
435 | case O(CREATE,FailFast): | |
e22fe3ae | 436 | failfast = FlagSet; |
71574efb N |
437 | continue; |
438 | case O(MANAGE,NoFailFast): | |
e22fe3ae | 439 | failfast = FlagClear; |
71574efb N |
440 | continue; |
441 | ||
dd0781e5 | 442 | case O(GROW,'z'): |
25affb56 PC |
443 | case O(CREATE,'z'): |
444 | case O(BUILD,'z'): /* size */ | |
e705e81b | 445 | if (s.size > 0) { |
7a862a02 | 446 | pr_err("size may only be specified once. Second value is %s.\n", optarg); |
52826846 NB |
447 | exit(2); |
448 | } | |
9d1fbf65 | 449 | if (strcmp(optarg, "max") == 0) |
e705e81b | 450 | s.size = MAX_SIZE; |
dd0781e5 | 451 | else { |
e705e81b | 452 | s.size = parse_size(optarg); |
9d1fbf65 JS |
453 | if (s.size == INVALID_SECTORS || s.size < 8) { |
454 | pr_err("invalid size: %s\n", optarg); | |
dd0781e5 NB |
455 | exit(2); |
456 | } | |
5f4fc0e1 | 457 | /* convert sectors to K */ |
e705e81b | 458 | s.size /= 2; |
52826846 NB |
459 | } |
460 | continue; | |
64c4757e | 461 | |
84e11361 | 462 | case O(GROW,'Z'): /* array size */ |
a93f8c65 | 463 | if (array_size > 0) { |
7a862a02 | 464 | pr_err("array-size may only be specified once. Second value is %s.\n", optarg); |
84e11361 N |
465 | exit(2); |
466 | } | |
467 | if (strcmp(optarg, "max") == 0) | |
a93f8c65 | 468 | array_size = MAX_SIZE; |
84e11361 N |
469 | else { |
470 | array_size = parse_size(optarg); | |
822e393a N |
471 | if (array_size == 0 || |
472 | array_size == INVALID_SECTORS) { | |
e7b84f9d | 473 | pr_err("invalid array size: %s\n", |
84e11361 N |
474 | optarg); |
475 | exit(2); | |
476 | } | |
477 | } | |
478 | continue; | |
479 | ||
40c9a66a N |
480 | case O(CREATE,DataOffset): |
481 | case O(GROW,DataOffset): | |
ae5dfc56 | 482 | if (s.data_offset != INVALID_SECTORS) { |
7a862a02 | 483 | pr_err("data-offset may only be specified one. Second value is %s.\n", optarg); |
40c9a66a N |
484 | exit(2); |
485 | } | |
9d1fbf65 | 486 | if (mode == CREATE && strcmp(optarg, "variable") == 0) |
ae5dfc56 | 487 | s.data_offset = VARIABLE_OFFSET; |
72ca9bcf | 488 | else |
ae5dfc56 MT |
489 | s.data_offset = parse_size(optarg); |
490 | if (s.data_offset == INVALID_SECTORS) { | |
ed503f89 | 491 | pr_err("invalid data-offset: %s\n", |
40c9a66a N |
492 | optarg); |
493 | exit(2); | |
494 | } | |
495 | continue; | |
496 | ||
7236ee7a | 497 | case O(GROW,'l'): |
e0d19036 NB |
498 | case O(CREATE,'l'): |
499 | case O(BUILD,'l'): /* set raid level*/ | |
e705e81b | 500 | if (s.level != UnSet) { |
7a862a02 | 501 | pr_err("raid level may only be set once. Second value is %s.\n", optarg); |
52826846 NB |
502 | exit(2); |
503 | } | |
e705e81b N |
504 | s.level = map_name(pers, optarg); |
505 | if (s.level == UnSet) { | |
e7b84f9d | 506 | pr_err("invalid raid level: %s\n", |
52826846 NB |
507 | optarg); |
508 | exit(2); | |
509 | } | |
9d1fbf65 JS |
510 | if (s.level != 0 && s.level != LEVEL_LINEAR && |
511 | s.level != 1 && s.level != LEVEL_MULTIPATH && | |
512 | s.level != LEVEL_FAULTY && s.level != 10 && | |
e0fe762a | 513 | mode == BUILD) { |
e7b84f9d | 514 | pr_err("Raid level %s not permitted with --build.\n", |
52826846 NB |
515 | optarg); |
516 | exit(2); | |
517 | } | |
e705e81b | 518 | if (s.sparedisks > 0 && s.level < 1 && s.level >= -1) { |
e7b84f9d | 519 | pr_err("raid level %s is incompatible with spare-devices setting.\n", |
52826846 NB |
520 | optarg); |
521 | exit(2); | |
522 | } | |
e705e81b | 523 | ident.level = s.level; |
52826846 | 524 | continue; |
64c4757e | 525 | |
19678e53 | 526 | case O(GROW, 'p'): /* new layout */ |
1c7a808c | 527 | case O(GROW, Layout): |
e705e81b | 528 | if (s.layout_str) { |
7a862a02 | 529 | pr_err("layout may only be sent once. Second value was %s\n", optarg); |
19678e53 N |
530 | exit(2); |
531 | } | |
e705e81b | 532 | s.layout_str = optarg; |
19678e53 N |
533 | /* 'Grow' will parse the value */ |
534 | continue; | |
535 | ||
e0d19036 | 536 | case O(CREATE,'p'): /* raid5 layout */ |
1c7a808c | 537 | case O(CREATE,Layout): |
b5e64645 | 538 | case O(BUILD,'p'): /* faulty layout */ |
1c7a808c | 539 | case O(BUILD,Layout): |
e705e81b | 540 | if (s.layout != UnSet) { |
7a862a02 | 541 | pr_err("layout may only be sent once. Second value was %s\n", optarg); |
52826846 NB |
542 | exit(2); |
543 | } | |
e705e81b | 544 | switch(s.level) { |
52826846 | 545 | default: |
e7b84f9d | 546 | pr_err("layout not meaningful for %s arrays.\n", |
5f21d674 | 547 | map_num_s(pers, s.level)); |
52826846 | 548 | exit(2); |
98c6faba | 549 | case UnSet: |
e7b84f9d | 550 | pr_err("raid level must be given before layout.\n"); |
52826846 NB |
551 | exit(2); |
552 | ||
329dfc28 N |
553 | case 0: |
554 | s.layout = map_name(r0layout, optarg); | |
555 | if (s.layout == UnSet) { | |
556 | pr_err("layout %s not understood for raid0.\n", | |
557 | optarg); | |
558 | exit(2); | |
559 | } | |
560 | break; | |
52826846 | 561 | case 5: |
e705e81b | 562 | s.layout = map_name(r5layout, optarg); |
8ea98217 | 563 | if (s.layout == UnSet) { |
e7b84f9d | 564 | pr_err("layout %s not understood for raid5.\n", |
52826846 NB |
565 | optarg); |
566 | exit(2); | |
567 | } | |
568 | break; | |
b640a252 | 569 | case 6: |
e705e81b | 570 | s.layout = map_name(r6layout, optarg); |
8ea98217 | 571 | if (s.layout == UnSet) { |
e7b84f9d | 572 | pr_err("layout %s not understood for raid6.\n", |
b640a252 N |
573 | optarg); |
574 | exit(2); | |
575 | } | |
576 | break; | |
e5329c37 NB |
577 | |
578 | case 10: | |
e705e81b N |
579 | s.layout = parse_layout_10(optarg); |
580 | if (s.layout < 0) { | |
e7b84f9d | 581 | pr_err("layout for raid10 must be 'nNN', 'oNN' or 'fNN' where NN is a number, not %s\n", optarg); |
e5329c37 NB |
582 | exit(2); |
583 | } | |
e5329c37 | 584 | break; |
19678e53 N |
585 | case LEVEL_FAULTY: |
586 | /* Faulty | |
587 | * modeNNN | |
588 | */ | |
e705e81b N |
589 | s.layout = parse_layout_faulty(optarg); |
590 | if (s.layout == -1) { | |
e7b84f9d | 591 | pr_err("layout %s not understood for faulty.\n", |
b5e64645 NB |
592 | optarg); |
593 | exit(2); | |
594 | } | |
4a06e2c2 | 595 | break; |
52826846 NB |
596 | } |
597 | continue; | |
598 | ||
997aed5d NB |
599 | case O(CREATE,AssumeClean): |
600 | case O(BUILD,AssumeClean): /* assume clean */ | |
ce52f92f | 601 | case O(GROW,AssumeClean): |
e705e81b | 602 | s.assume_clean = 1; |
dd0781e5 NB |
603 | continue; |
604 | ||
605 | case O(GROW,'n'): | |
e0d19036 NB |
606 | case O(CREATE,'n'): |
607 | case O(BUILD,'n'): /* number of raid disks */ | |
e705e81b | 608 | if (s.raiddisks) { |
e7b84f9d | 609 | pr_err("raid-devices set twice: %d and %s\n", |
e705e81b | 610 | s.raiddisks, optarg); |
52826846 NB |
611 | exit(2); |
612 | } | |
60815698 | 613 | if (parse_num(&s.raiddisks, optarg) != 0 || s.raiddisks <= 0) { |
e7b84f9d | 614 | pr_err("invalid number of raid devices: %s\n", |
52826846 NB |
615 | optarg); |
616 | exit(2); | |
617 | } | |
e705e81b | 618 | ident.raid_disks = s.raiddisks; |
52826846 | 619 | continue; |
7e6e839a | 620 | case O(ASSEMBLE, Nodes): |
6447a127 | 621 | case O(GROW, Nodes): |
529e2aa5 | 622 | case O(CREATE, Nodes): |
60815698 | 623 | if (parse_num(&c.nodes, optarg) != 0 || c.nodes < 2) { |
9d67f649 | 624 | pr_err("clustered array needs two nodes at least: %s\n", |
529e2aa5 GJ |
625 | optarg); |
626 | exit(2); | |
627 | } | |
628 | continue; | |
7716570e | 629 | case O(CREATE, ClusterName): |
0aa2f15b | 630 | case O(ASSEMBLE, ClusterName): |
7716570e GJ |
631 | c.homecluster = optarg; |
632 | if (strlen(c.homecluster) > 64) { | |
633 | pr_err("Cluster name too big.\n"); | |
dcd24efc | 634 | exit(2); |
7716570e GJ |
635 | } |
636 | continue; | |
18361a1a | 637 | case O(CREATE,'x'): /* number of spare (eXtra) disks */ |
e705e81b | 638 | if (s.sparedisks) { |
e7b84f9d | 639 | pr_err("spare-devices set twice: %d and %s\n", |
e705e81b | 640 | s.sparedisks, optarg); |
52826846 NB |
641 | exit(2); |
642 | } | |
e705e81b | 643 | if (s.level != UnSet && s.level <= 0 && s.level >= -1) { |
e7b84f9d | 644 | pr_err("spare-devices setting is incompatible with raid level %d\n", |
e705e81b | 645 | s.level); |
52826846 NB |
646 | exit(2); |
647 | } | |
60815698 | 648 | if (parse_num(&s.sparedisks, optarg) != 0 || s.sparedisks < 0) { |
e7b84f9d | 649 | pr_err("invalid number of spare-devices: %s\n", |
52826846 NB |
650 | optarg); |
651 | exit(2); | |
652 | } | |
653 | continue; | |
dd0781e5 NB |
654 | |
655 | case O(CREATE,'a'): | |
1c7a808c | 656 | case O(CREATE,Auto): |
dd0781e5 | 657 | case O(BUILD,'a'): |
1c7a808c | 658 | case O(BUILD,Auto): |
95b79df0 | 659 | case O(INCREMENTAL,'a'): |
1c7a808c N |
660 | case O(INCREMENTAL,Auto): |
661 | case O(ASSEMBLE,'a'): | |
662 | case O(ASSEMBLE,Auto): /* auto-creation of device node */ | |
9e33d556 | 663 | c.autof = parse_auto(optarg, "--auto flag", 0); |
dd0781e5 | 664 | continue; |
aa88f531 | 665 | case O(BUILD,'f'): /* force honouring '-n 1' */ |
1c7a808c | 666 | case O(BUILD,Force): /* force honouring '-n 1' */ |
bd72c2b2 | 667 | case O(GROW,'f'): /* ditto */ |
1c7a808c | 668 | case O(GROW,Force): /* ditto */ |
e0d19036 | 669 | case O(CREATE,'f'): /* force honouring of device list */ |
1c7a808c | 670 | case O(CREATE,Force): /* force honouring of device list */ |
e0d19036 | 671 | case O(ASSEMBLE,'f'): /* force assembly */ |
1c7a808c | 672 | case O(ASSEMBLE,Force): /* force assembly */ |
e0d19036 | 673 | case O(MISC,'f'): /* force zero */ |
1c7a808c | 674 | case O(MISC,Force): /* force zero */ |
11b391ec | 675 | case O(MANAGE,Force): /* add device which is too large */ |
8ea98217 | 676 | c.force = 1; |
52826846 | 677 | continue; |
52826846 | 678 | /* now for the Assemble options */ |
b76b30e0 AK |
679 | case O(ASSEMBLE, FreezeReshape): /* Freeze reshape during |
680 | * initrd phase */ | |
681 | case O(INCREMENTAL, FreezeReshape): | |
9e33d556 | 682 | c.freeze_reshape = 1; |
b76b30e0 | 683 | continue; |
3d3dd91e | 684 | case O(CREATE,'u'): /* uuid of array */ |
e0d19036 | 685 | case O(ASSEMBLE,'u'): /* uuid of array */ |
52826846 | 686 | if (ident.uuid_set) { |
7a862a02 | 687 | pr_err("uuid cannot be set twice. Second value %s.\n", optarg); |
52826846 NB |
688 | exit(2); |
689 | } | |
690 | if (parse_uuid(optarg, ident.uuid)) | |
691 | ident.uuid_set = 1; | |
692 | else { | |
e7b84f9d | 693 | pr_err("Bad uuid: %s\n", optarg); |
52826846 NB |
694 | exit(2); |
695 | } | |
696 | continue; | |
697 | ||
947fd4dd NB |
698 | case O(CREATE,'N'): |
699 | case O(ASSEMBLE,'N'): | |
aa534678 | 700 | case O(MISC,'N'): |
947fd4dd | 701 | if (ident.name[0]) { |
7a862a02 | 702 | pr_err("name cannot be set twice. Second value %s.\n", optarg); |
947fd4dd NB |
703 | exit(2); |
704 | } | |
9e33d556 | 705 | if (mode == MISC && !c.subarray) { |
e7b84f9d | 706 | pr_err("-N/--name only valid with --update-subarray in misc mode\n"); |
aa534678 DW |
707 | exit(2); |
708 | } | |
947fd4dd | 709 | if (strlen(optarg) > 32) { |
e7b84f9d | 710 | pr_err("name '%s' is too long, 32 chars max.\n", |
947fd4dd NB |
711 | optarg); |
712 | exit(2); | |
713 | } | |
714 | strcpy(ident.name, optarg); | |
715 | continue; | |
716 | ||
e0d19036 | 717 | case O(ASSEMBLE,'m'): /* super-minor for array */ |
1c7a808c | 718 | case O(ASSEMBLE,SuperMinor): |
98c6faba | 719 | if (ident.super_minor != UnSet) { |
7a862a02 | 720 | pr_err("super-minor cannot be set twice. Second value: %s.\n", optarg); |
cd29a5c8 NB |
721 | exit(2); |
722 | } | |
9d1fbf65 | 723 | if (strcmp(optarg, "dev") == 0) |
d013a55e | 724 | ident.super_minor = -2; |
60815698 MG |
725 | else if (parse_num(&ident.super_minor, optarg) != 0 || ident.super_minor < 0) { |
726 | pr_err("Bad super-minor number: %s.\n", optarg); | |
727 | exit(2); | |
cd29a5c8 NB |
728 | } |
729 | continue; | |
730 | ||
0ea8f5b1 N |
731 | case O(ASSEMBLE,'o'): |
732 | case O(MANAGE,'o'): | |
733 | case O(CREATE,'o'): | |
9e33d556 | 734 | c.readonly = 1; |
0ea8f5b1 N |
735 | continue; |
736 | ||
5787fa49 | 737 | case O(ASSEMBLE,'U'): /* update the superblock */ |
aa534678 | 738 | case O(MISC,'U'): |
9e33d556 | 739 | if (c.update) { |
7a862a02 | 740 | pr_err("Can only update one aspect of superblock, both %s and %s given.\n", |
9e33d556 | 741 | c.update, optarg); |
5787fa49 NB |
742 | exit(2); |
743 | } | |
9e33d556 | 744 | if (mode == MISC && !c.subarray) { |
7a862a02 | 745 | pr_err("Only subarrays can be updated in misc mode\n"); |
aa534678 DW |
746 | exit(2); |
747 | } | |
9e33d556 | 748 | c.update = optarg; |
9d1fbf65 | 749 | if (strcmp(c.update, "sparc2.2") == 0) |
e5329c37 | 750 | continue; |
9e33d556 | 751 | if (strcmp(c.update, "super-minor") == 0) |
5787fa49 | 752 | continue; |
9d1fbf65 | 753 | if (strcmp(c.update, "summaries") == 0) |
feb716e9 | 754 | continue; |
9d1fbf65 | 755 | if (strcmp(c.update, "resync") == 0) |
e5329c37 | 756 | continue; |
9d1fbf65 | 757 | if (strcmp(c.update, "uuid") == 0) |
7d99579f | 758 | continue; |
9d1fbf65 | 759 | if (strcmp(c.update, "name") == 0) |
c4f12c13 | 760 | continue; |
9d1fbf65 | 761 | if (strcmp(c.update, "homehost") == 0) |
0237e0ca | 762 | continue; |
9d1fbf65 | 763 | if (strcmp(c.update, "home-cluster") == 0) |
0aa2f15b | 764 | continue; |
9d1fbf65 | 765 | if (strcmp(c.update, "nodes") == 0) |
7e6e839a | 766 | continue; |
9d1fbf65 | 767 | if (strcmp(c.update, "devicesize") == 0) |
bee8ec56 | 768 | continue; |
dc95f821 JR |
769 | if (strcmp(c.update, "bitmap") == 0) |
770 | continue; | |
9d1fbf65 | 771 | if (strcmp(c.update, "no-bitmap") == 0) |
5a31170d | 772 | continue; |
688e99a7 N |
773 | if (strcmp(c.update, "bbl") == 0) |
774 | continue; | |
775 | if (strcmp(c.update, "no-bbl") == 0) | |
776 | continue; | |
6dd16dac N |
777 | if (strcmp(c.update, "force-no-bbl") == 0) |
778 | continue; | |
e6e9dd3f AP |
779 | if (strcmp(c.update, "ppl") == 0) |
780 | continue; | |
781 | if (strcmp(c.update, "no-ppl") == 0) | |
782 | continue; | |
afa368f4 N |
783 | if (strcmp(c.update, "metadata") == 0) |
784 | continue; | |
199f1a1f N |
785 | if (strcmp(c.update, "revert-reshape") == 0) |
786 | continue; | |
027c099f | 787 | if (strcmp(c.update, "layout-original") == 0 || |
97b51a2c N |
788 | strcmp(c.update, "layout-alternate") == 0 || |
789 | strcmp(c.update, "layout-unspecified") == 0) | |
027c099f | 790 | continue; |
8ea98217 | 791 | if (strcmp(c.update, "byteorder") == 0) { |
586ed405 | 792 | if (ss) { |
7a862a02 | 793 | pr_err("must not set metadata type with --update=byteorder.\n"); |
586ed405 NB |
794 | exit(2); |
795 | } | |
8ea98217 | 796 | for(i = 0; !ss && superlist[i]; i++) |
833bb0f8 N |
797 | ss = superlist[i]->match_metadata_desc( |
798 | "0.swap"); | |
586ed405 | 799 | if (!ss) { |
7a862a02 | 800 | pr_err("INTERNAL ERROR cannot find 0.swap\n"); |
586ed405 NB |
801 | exit(2); |
802 | } | |
803 | ||
804 | continue; | |
805 | } | |
9e33d556 N |
806 | if (strcmp(c.update,"?") == 0 || |
807 | strcmp(c.update, "help") == 0) { | |
0047d254 | 808 | outf = stdout; |
d56dd607 | 809 | fprintf(outf, "%s: ", Name); |
0047d254 NB |
810 | } else { |
811 | outf = stderr; | |
812 | fprintf(outf, | |
d56dd607 PB |
813 | "%s: '--update=%s' is invalid. ", |
814 | Name, c.update); | |
0047d254 NB |
815 | } |
816 | fprintf(outf, "Valid --update options are:\n" | |
7e6e839a | 817 | " 'sparc2.2', 'super-minor', 'uuid', 'name', 'nodes', 'resync',\n" |
0aa2f15b | 818 | " 'summaries', 'homehost', 'home-cluster', 'byteorder', 'devicesize',\n" |
dc95f821 | 819 | " 'bitmap', 'no-bitmap', 'metadata', 'revert-reshape'\n" |
e6e9dd3f | 820 | " 'bbl', 'no-bbl', 'force-no-bbl', 'ppl', 'no-ppl'\n" |
97b51a2c | 821 | " 'layout-original', 'layout-alternate', 'layout-unspecified'\n" |
c60495c8 | 822 | ); |
0047d254 | 823 | exit(outf == stdout ? 0 : 2); |
5787fa49 | 824 | |
833bb0f8 N |
825 | case O(MANAGE,'U'): |
826 | /* update=devicesize is allowed with --re-add */ | |
c8e1a230 | 827 | if (devmode != 'A') { |
7a862a02 | 828 | pr_err("--update in Manage mode only allowed with --re-add.\n"); |
833bb0f8 N |
829 | exit(1); |
830 | } | |
9e33d556 | 831 | if (c.update) { |
7a862a02 | 832 | pr_err("Can only update one aspect of superblock, both %s and %s given.\n", |
9e33d556 | 833 | c.update, optarg); |
833bb0f8 N |
834 | exit(2); |
835 | } | |
9e33d556 | 836 | c.update = optarg; |
688e99a7 N |
837 | if (strcmp(c.update, "devicesize") != 0 && |
838 | strcmp(c.update, "bbl") != 0 && | |
6dd16dac | 839 | strcmp(c.update, "force-no-bbl") != 0 && |
688e99a7 | 840 | strcmp(c.update, "no-bbl") != 0) { |
6dd16dac | 841 | pr_err("only 'devicesize', 'bbl', 'no-bbl', and 'force-no-bbl' can be updated with --re-add\n"); |
833bb0f8 N |
842 | exit(2); |
843 | } | |
844 | continue; | |
845 | ||
172356c9 | 846 | case O(INCREMENTAL,NoDegraded): |
e7b84f9d | 847 | pr_err("--no-degraded is deprecated in Incremental mode\n"); |
997aed5d | 848 | case O(ASSEMBLE,NoDegraded): /* --no-degraded */ |
9e33d556 N |
849 | c.runstop = -1; /* --stop isn't allowed for --assemble, |
850 | * so we overload slightly */ | |
b8a8ccf9 NB |
851 | continue; |
852 | ||
1c7a808c N |
853 | case O(ASSEMBLE,'c'): |
854 | case O(ASSEMBLE,ConfigFile): | |
7b187ed7 | 855 | case O(INCREMENTAL, 'c'): |
1c7a808c | 856 | case O(INCREMENTAL, ConfigFile): |
2d465520 | 857 | case O(MISC, 'c'): |
1c7a808c | 858 | case O(MISC, ConfigFile): |
e0d19036 | 859 | case O(MONITOR,'c'): |
1c7a808c | 860 | case O(MONITOR,ConfigFile): |
9ccfd3be | 861 | case O(CREATE,ConfigFile): |
52826846 | 862 | if (configfile) { |
7a862a02 | 863 | pr_err("configfile cannot be set twice. Second value is %s.\n", optarg); |
52826846 NB |
864 | exit(2); |
865 | } | |
866 | configfile = optarg; | |
8aec876d | 867 | set_conffile(configfile); |
52826846 NB |
868 | /* FIXME possibly check that config file exists. Even parse it */ |
869 | continue; | |
e0d19036 NB |
870 | case O(ASSEMBLE,'s'): /* scan */ |
871 | case O(MISC,'s'): | |
872 | case O(MONITOR,'s'): | |
8382f19b | 873 | case O(INCREMENTAL,'s'): |
9e33d556 | 874 | c.scan = 1; |
52826846 NB |
875 | continue; |
876 | ||
e0d19036 | 877 | case O(MONITOR,'m'): /* mail address */ |
1c7a808c | 878 | case O(MONITOR,EMail): |
52826846 | 879 | if (mailaddr) |
e7b84f9d | 880 | pr_err("only specify one mailaddress. %s ignored.\n", |
52826846 NB |
881 | optarg); |
882 | else | |
883 | mailaddr = optarg; | |
884 | continue; | |
885 | ||
e0d19036 | 886 | case O(MONITOR,'p'): /* alert program */ |
1c7a808c | 887 | case O(MONITOR,ProgramOpt): /* alert program */ |
52826846 | 888 | if (program) |
e7b84f9d | 889 | pr_err("only specify one alter program. %s ignored.\n", |
52826846 NB |
890 | optarg); |
891 | else | |
892 | program = optarg; | |
893 | continue; | |
64c4757e | 894 | |
9a36a9b7 | 895 | case O(MONITOR,'r'): /* rebuild increments */ |
1c7a808c | 896 | case O(MONITOR,Increment): |
60815698 MG |
897 | if (parse_num(&increments, optarg) != 0 |
898 | || increments > 99 || increments < 1) { | |
e7b84f9d | 899 | pr_err("please specify positive integer between 1 and 99 as rebuild increments.\n"); |
9a36a9b7 ZB |
900 | exit(2); |
901 | } | |
902 | continue; | |
903 | ||
e0d19036 | 904 | case O(MONITOR,'d'): /* delay in seconds */ |
f5e166fe | 905 | case O(GROW, 'd'): |
c82f047c NB |
906 | case O(BUILD,'d'): /* delay for bitmap updates */ |
907 | case O(CREATE,'d'): | |
9e33d556 | 908 | if (c.delay) |
60815698 MG |
909 | pr_err("only specify delay once. %s ignored.\n", optarg); |
910 | else if (parse_num(&c.delay, optarg) != 0 || c.delay < 1) { | |
911 | pr_err("invalid delay: %s\n", optarg); | |
912 | exit(2); | |
52826846 NB |
913 | } |
914 | continue; | |
d013a55e | 915 | case O(MONITOR,'f'): /* daemonise */ |
1c7a808c | 916 | case O(MONITOR,Fork): |
d013a55e NB |
917 | daemonise = 1; |
918 | continue; | |
b5e64645 NB |
919 | case O(MONITOR,'i'): /* pid */ |
920 | if (pidfile) | |
e7b84f9d | 921 | pr_err("only specify one pid file. %s ignored.\n", |
b5e64645 NB |
922 | optarg); |
923 | else | |
924 | pidfile = optarg; | |
925 | continue; | |
aa88f531 NB |
926 | case O(MONITOR,'1'): /* oneshot */ |
927 | oneshot = 1; | |
3f555346 | 928 | spare_sharing = 0; |
aa88f531 | 929 | continue; |
98c6faba | 930 | case O(MONITOR,'t'): /* test */ |
9e33d556 | 931 | c.test = 1; |
98c6faba | 932 | continue; |
773135f5 | 933 | case O(MONITOR,'y'): /* log messages to syslog */ |
6ac8aac2 | 934 | openlog("mdadm", LOG_PID, SYSLOG_FACILITY); |
773135f5 NB |
935 | dosyslog = 1; |
936 | continue; | |
edde9560 AC |
937 | case O(MONITOR, NoSharing): |
938 | spare_sharing = 0; | |
939 | continue; | |
18361a1a | 940 | |
52826846 NB |
941 | /* now the general management options. Some are applicable |
942 | * to other modes. None have arguments. | |
943 | */ | |
e5329c37 | 944 | case O(GROW,'a'): |
1c7a808c N |
945 | case O(GROW,Add): |
946 | case O(MANAGE,'a'): | |
947 | case O(MANAGE,Add): /* add a drive */ | |
52826846 | 948 | devmode = 'a'; |
fe80f49b | 949 | continue; |
f33a71f1 N |
950 | case O(MANAGE,AddSpare): /* add drive - never re-add */ |
951 | devmode = 'S'; | |
952 | continue; | |
01290056 SL |
953 | case O(MANAGE,AddJournal): /* add journal */ |
954 | if (s.journaldisks && (s.level < 4 || s.level > 6)) { | |
955 | pr_err("--add-journal is only supported for RAID level 4/5/6.\n"); | |
956 | exit(2); | |
957 | } | |
958 | devmode = 'j'; | |
959 | continue; | |
997aed5d | 960 | case O(MANAGE,ReAdd): |
c8e1a230 | 961 | devmode = 'A'; |
52826846 | 962 | continue; |
e0d19036 | 963 | case O(MANAGE,'r'): /* remove a drive */ |
1c7a808c | 964 | case O(MANAGE,Remove): |
52826846 NB |
965 | devmode = 'r'; |
966 | continue; | |
e0d19036 | 967 | case O(MANAGE,'f'): /* set faulty */ |
1c7a808c N |
968 | case O(MANAGE,Fail): |
969 | case O(INCREMENTAL,'f'): | |
970 | case O(INCREMENTAL,Remove): | |
971 | case O(INCREMENTAL,Fail): /* r for incremental is taken, use f | |
7d27d1c0 N |
972 | * even though we will both fail and |
973 | * remove the device */ | |
52826846 NB |
974 | devmode = 'f'; |
975 | continue; | |
4de90913 GJ |
976 | case O(MANAGE, ClusterConfirm): |
977 | devmode = 'c'; | |
978 | continue; | |
70c55e36 N |
979 | case O(MANAGE,Replace): |
980 | /* Mark these devices for replacement */ | |
981 | devmode = 'R'; | |
982 | continue; | |
983 | case O(MANAGE,With): | |
984 | /* These are the replacements to use */ | |
985 | if (devmode != 'R') { | |
986 | pr_err("--with must follow --replace\n"); | |
987 | exit(2); | |
988 | } | |
989 | devmode = 'W'; | |
990 | continue; | |
8382f19b | 991 | case O(INCREMENTAL,'R'): |
e0d19036 NB |
992 | case O(MANAGE,'R'): |
993 | case O(ASSEMBLE,'R'): | |
994 | case O(BUILD,'R'): | |
995 | case O(CREATE,'R'): /* Run the array */ | |
9e33d556 | 996 | if (c.runstop < 0) { |
e7b84f9d | 997 | pr_err("Cannot both Stop and Run an array\n"); |
52826846 NB |
998 | exit(2); |
999 | } | |
9e33d556 | 1000 | c.runstop = 1; |
52826846 | 1001 | continue; |
e0d19036 | 1002 | case O(MANAGE,'S'): |
9e33d556 | 1003 | if (c.runstop > 0) { |
e7b84f9d | 1004 | pr_err("Cannot both Run and Stop an array\n"); |
52826846 NB |
1005 | exit(2); |
1006 | } | |
9e33d556 | 1007 | c.runstop = -1; |
52826846 | 1008 | continue; |
7d2e6486 | 1009 | case O(MANAGE,'t'): |
9e33d556 | 1010 | c.test = 1; |
7d2e6486 | 1011 | continue; |
52826846 | 1012 | |
e0d19036 NB |
1013 | case O(MISC,'Q'): |
1014 | case O(MISC,'D'): | |
1015 | case O(MISC,'E'): | |
f7d3febc | 1016 | case O(MISC,KillOpt): |
e0d19036 NB |
1017 | case O(MISC,'R'): |
1018 | case O(MISC,'S'): | |
c82f047c | 1019 | case O(MISC,'X'): |
6d388a88 | 1020 | case O(MISC, ExamineBB): |
e0d19036 NB |
1021 | case O(MISC,'o'): |
1022 | case O(MISC,'w'): | |
b90c0e9a | 1023 | case O(MISC,'W'): |
1c7a808c | 1024 | case O(MISC, WaitOpt): |
1770662b | 1025 | case O(MISC, Waitclean): |
4cce4069 | 1026 | case O(MISC, DetailPlatform): |
33414a01 | 1027 | case O(MISC, KillSubarray): |
aa534678 | 1028 | case O(MISC, UpdateSubarray): |
74db60b0 N |
1029 | case O(MISC, Dump): |
1030 | case O(MISC, Restore): | |
a740cf64 | 1031 | case O(MISC ,Action): |
5a53aeec | 1032 | if (opt == KillSubarray || opt == UpdateSubarray) { |
9e33d556 | 1033 | if (c.subarray) { |
7a862a02 | 1034 | pr_err("subarray can only be specified once\n"); |
5a53aeec JS |
1035 | exit(2); |
1036 | } | |
9e33d556 | 1037 | c.subarray = optarg; |
5a53aeec | 1038 | } |
a740cf64 N |
1039 | if (opt == Action) { |
1040 | if (c.action) { | |
1041 | pr_err("Only one --action can be specified\n"); | |
1042 | exit(2); | |
1043 | } | |
1044 | if (strcmp(optarg, "idle") == 0 || | |
1045 | strcmp(optarg, "frozen") == 0 || | |
1046 | strcmp(optarg, "check") == 0 || | |
1047 | strcmp(optarg, "repair") == 0) | |
1048 | c.action = optarg; | |
1049 | else { | |
1050 | pr_err("action must be one of idle, frozen, check, repair\n"); | |
1051 | exit(2); | |
1052 | } | |
1053 | } | |
e0d19036 | 1054 | if (devmode && devmode != opt && |
9d1fbf65 JS |
1055 | (devmode == 'E' || |
1056 | (opt == 'E' && devmode != 'Q'))) { | |
e7b84f9d | 1057 | pr_err("--examine/-E cannot be given with "); |
aa534678 DW |
1058 | if (devmode == 'E') { |
1059 | if (option_index >= 0) | |
1060 | fprintf(stderr, "--%s\n", | |
1061 | long_options[option_index].name); | |
1062 | else | |
1063 | fprintf(stderr, "-%c\n", opt); | |
1064 | } else if (isalpha(devmode)) | |
1065 | fprintf(stderr, "-%c\n", devmode); | |
1066 | else | |
1067 | fprintf(stderr, "previous option\n"); | |
e0d19036 NB |
1068 | exit(2); |
1069 | } | |
1070 | devmode = opt; | |
74db60b0 N |
1071 | if (opt == Dump || opt == Restore) { |
1072 | if (dump_directory != NULL) { | |
1073 | pr_err("dump/restore directory specified twice: %s and %s\n", | |
1074 | dump_directory, optarg); | |
1075 | exit(2); | |
1076 | } | |
1077 | dump_directory = optarg; | |
1078 | } | |
e0d19036 | 1079 | continue; |
7d27d1c0 N |
1080 | case O(MISC, UdevRules): |
1081 | if (devmode && devmode != opt) { | |
7a862a02 | 1082 | pr_err("--udev-rules must be the only option.\n"); |
7d27d1c0 N |
1083 | } else { |
1084 | if (udev_filename) | |
7a862a02 | 1085 | pr_err("only specify one udev rule filename. %s ignored.\n", |
7d27d1c0 N |
1086 | optarg); |
1087 | else | |
1088 | udev_filename = optarg; | |
1089 | } | |
1090 | devmode = opt; | |
1091 | continue; | |
feb716e9 | 1092 | case O(MISC,'t'): |
9e33d556 | 1093 | c.test = 1; |
feb716e9 | 1094 | continue; |
e0d19036 | 1095 | |
997aed5d | 1096 | case O(MISC, Sparc22): |
bd526cee | 1097 | if (devmode != 'E') { |
e7b84f9d | 1098 | pr_err("--sparc2.2 only allowed with --examine\n"); |
bd526cee NB |
1099 | exit(2); |
1100 | } | |
9e33d556 | 1101 | c.SparcAdjust = 1; |
bd526cee | 1102 | continue; |
c82f047c NB |
1103 | |
1104 | case O(ASSEMBLE,'b'): /* here we simply set the bitmap file */ | |
1c7a808c | 1105 | case O(ASSEMBLE,Bitmap): |
c82f047c | 1106 | if (!optarg) { |
e7b84f9d | 1107 | pr_err("bitmap file needed with -b in --assemble mode\n"); |
c82f047c NB |
1108 | exit(2); |
1109 | } | |
72b616af ZL |
1110 | if (strcmp(optarg, "internal") == 0 || |
1111 | strcmp(optarg, "clustered") == 0) { | |
1112 | pr_err("no need to specify --bitmap when assembling" | |
1113 | " arrays with internal or clustered bitmap\n"); | |
55935d51 NB |
1114 | continue; |
1115 | } | |
c82f047c NB |
1116 | bitmap_fd = open(optarg, O_RDWR); |
1117 | if (!*optarg || bitmap_fd < 0) { | |
e7b84f9d | 1118 | pr_err("cannot open bitmap file %s: %s\n", optarg, strerror(errno)); |
c82f047c NB |
1119 | exit(2); |
1120 | } | |
1121 | ident.bitmap_fd = bitmap_fd; /* for Assemble */ | |
1122 | continue; | |
f5e166fe | 1123 | |
997aed5d NB |
1124 | case O(ASSEMBLE, BackupFile): |
1125 | case O(GROW, BackupFile): | |
06b0d786 NB |
1126 | /* Specify a file into which grow might place a backup, |
1127 | * or from which assemble might recover a backup | |
1128 | */ | |
9e33d556 | 1129 | if (c.backup_file) { |
e7b84f9d | 1130 | pr_err("backup file already specified, rejecting %s\n", optarg); |
06b0d786 NB |
1131 | exit(2); |
1132 | } | |
9e33d556 | 1133 | c.backup_file = optarg; |
06b0d786 NB |
1134 | continue; |
1135 | ||
2dddadb0 AK |
1136 | case O(GROW, Continue): |
1137 | /* Continue interrupted grow | |
1138 | */ | |
1139 | grow_continue = 1; | |
1140 | continue; | |
87f26d14 N |
1141 | case O(ASSEMBLE, InvalidBackup): |
1142 | /* Acknowledge that the backupfile is invalid, but ask | |
1143 | * to continue anyway | |
1144 | */ | |
9e33d556 | 1145 | c.invalid_backup = 1; |
87f26d14 N |
1146 | continue; |
1147 | ||
c82f047c | 1148 | case O(BUILD,'b'): |
1c7a808c N |
1149 | case O(BUILD,Bitmap): |
1150 | case O(CREATE,'b'): | |
1151 | case O(CREATE,Bitmap): /* here we create the bitmap */ | |
85375d6d | 1152 | case O(GROW,'b'): |
1c7a808c | 1153 | case O(GROW,Bitmap): |
27c48b37 ZL |
1154 | if (s.bitmap_file) { |
1155 | pr_err("bitmap cannot be set twice. Second value: %s.\n", optarg); | |
1156 | exit(2); | |
1157 | } | |
9d1fbf65 JS |
1158 | if (strcmp(optarg, "internal") == 0 || |
1159 | strcmp(optarg, "none") == 0 || | |
1e0d770c | 1160 | strchr(optarg, '/') != NULL) { |
e705e81b | 1161 | s.bitmap_file = optarg; |
1e0d770c NB |
1162 | continue; |
1163 | } | |
9d1fbf65 | 1164 | if (strcmp(optarg, "clustered") == 0) { |
529e2aa5 GJ |
1165 | s.bitmap_file = optarg; |
1166 | /* Set the default number of cluster nodes | |
1167 | * to 4 if not already set by user | |
1168 | */ | |
1169 | if (c.nodes < 1) | |
1170 | c.nodes = 4; | |
1171 | continue; | |
1172 | } | |
1e0d770c | 1173 | /* probable typo */ |
e19a149c | 1174 | pr_err("bitmap file must contain a '/', or be 'internal', or be 'clustered', or 'none'\n" |
a1331cc4 | 1175 | " not '%s'\n", optarg); |
1e0d770c | 1176 | exit(2); |
c82f047c | 1177 | |
997aed5d NB |
1178 | case O(GROW,BitmapChunk): |
1179 | case O(BUILD,BitmapChunk): | |
1180 | case O(CREATE,BitmapChunk): /* bitmap chunksize */ | |
e705e81b | 1181 | s.bitmap_chunk = parse_size(optarg); |
822e393a N |
1182 | if (s.bitmap_chunk == 0 || |
1183 | s.bitmap_chunk == INVALID_SECTORS || | |
e705e81b | 1184 | s.bitmap_chunk & (s.bitmap_chunk - 1)) { |
e7b84f9d N |
1185 | pr_err("invalid bitmap chunksize: %s\n", |
1186 | optarg); | |
c82f047c NB |
1187 | exit(2); |
1188 | } | |
e705e81b | 1189 | s.bitmap_chunk = s.bitmap_chunk * 512; |
c82f047c | 1190 | continue; |
dfd4d8ee | 1191 | |
7d19ad0d | 1192 | case O(GROW, WriteBehind): |
997aed5d | 1193 | case O(BUILD, WriteBehind): |
60815698 | 1194 | case O(CREATE, WriteBehind): |
e705e81b | 1195 | s.write_behind = DEFAULT_MAX_WRITE_BEHIND; |
41edf6f4 LG |
1196 | if (optarg && |
1197 | (parse_num(&s.write_behind, optarg) != 0 || | |
1198 | s.write_behind < 0 || s.write_behind > 16383)) { | |
60815698 MG |
1199 | pr_err("Invalid value for maximum outstanding write-behind writes: %s.\n\tMust be between 0 and 16383.\n", |
1200 | optarg); | |
1201 | exit(2); | |
dfd4d8ee NB |
1202 | } |
1203 | continue; | |
8382f19b | 1204 | case O(INCREMENTAL, 'r'): |
1c7a808c | 1205 | case O(INCREMENTAL, RebuildMapOpt): |
8382f19b NB |
1206 | rebuild_map = 1; |
1207 | continue; | |
950bc344 PC |
1208 | case O(INCREMENTAL, IncrementalPath): |
1209 | remove_path = optarg; | |
1210 | continue; | |
cc1799c3 SL |
1211 | case O(CREATE, WriteJournal): |
1212 | if (s.journaldisks) { | |
1213 | pr_err("Please specify only one journal device for the array.\n"); | |
1214 | pr_err("Ignoring --write-journal %s...\n", optarg); | |
1215 | continue; | |
1216 | } | |
1217 | dv = xmalloc(sizeof(*dv)); | |
1218 | dv->devname = optarg; | |
1219 | dv->disposition = 'j'; /* WriteJournal */ | |
1220 | dv->used = 0; | |
1221 | dv->next = NULL; | |
1222 | *devlistend = dv; | |
1223 | devlistend = &dv->next; | |
1224 | devs_found++; | |
1225 | ||
1226 | s.journaldisks = 1; | |
1227 | continue; | |
5308f117 | 1228 | case O(CREATE, 'k'): |
860f11ed | 1229 | case O(GROW, 'k'): |
5308f117 AP |
1230 | s.consistency_policy = map_name(consistency_policies, |
1231 | optarg); | |
b7580566 | 1232 | if (s.consistency_policy < CONSISTENCY_POLICY_RESYNC) { |
5308f117 AP |
1233 | pr_err("Invalid consistency policy: %s\n", |
1234 | optarg); | |
1235 | exit(2); | |
1236 | } | |
1237 | continue; | |
52826846 NB |
1238 | } |
1239 | /* We have now processed all the valid options. Anything else is | |
1240 | * an error | |
1241 | */ | |
06b0d786 | 1242 | if (option_index > 0) |
e7b84f9d | 1243 | pr_err(":option --%s not valid in %s mode\n", |
06b0d786 | 1244 | long_options[option_index].name, |
5f21d674 | 1245 | map_num_s(modes, mode)); |
06b0d786 | 1246 | else |
e7b84f9d | 1247 | pr_err("option -%c not valid in %s mode\n", |
5f21d674 | 1248 | opt, map_num_s(modes, mode)); |
64c4757e | 1249 | exit(2); |
52826846 NB |
1250 | |
1251 | } | |
1252 | ||
3d4064cc | 1253 | if (print_help) { |
5187a385 | 1254 | char *help_text; |
3d4064cc NB |
1255 | if (print_help == 2) |
1256 | help_text = OptionHelp; | |
1257 | else | |
5187a385 N |
1258 | help_text = mode_help[mode]; |
1259 | if (help_text == NULL) | |
1260 | help_text = Help; | |
0047d254 | 1261 | fputs(help_text,stdout); |
3d4064cc NB |
1262 | exit(0); |
1263 | } | |
1264 | ||
5308f117 AP |
1265 | if (s.journaldisks) { |
1266 | if (s.level < 4 || s.level > 6) { | |
1267 | pr_err("--write-journal is only supported for RAID level 4/5/6.\n"); | |
1268 | exit(2); | |
1269 | } | |
b7580566 | 1270 | if (s.consistency_policy != CONSISTENCY_POLICY_UNKNOWN && |
5308f117 AP |
1271 | s.consistency_policy != CONSISTENCY_POLICY_JOURNAL) { |
1272 | pr_err("--write-journal is not supported with consistency policy: %s\n", | |
5f21d674 | 1273 | map_num_s(consistency_policies, s.consistency_policy)); |
5308f117 AP |
1274 | exit(2); |
1275 | } | |
1276 | } | |
1277 | ||
b7580566 AP |
1278 | if (mode == CREATE && |
1279 | s.consistency_policy != CONSISTENCY_POLICY_UNKNOWN) { | |
5308f117 AP |
1280 | if (s.level <= 0) { |
1281 | pr_err("--consistency-policy not meaningful with level %s.\n", | |
5f21d674 | 1282 | map_num_s(pers, s.level)); |
5308f117 AP |
1283 | exit(2); |
1284 | } else if (s.consistency_policy == CONSISTENCY_POLICY_JOURNAL && | |
1285 | !s.journaldisks) { | |
1286 | pr_err("--write-journal is required for consistency policy: %s\n", | |
5f21d674 | 1287 | map_num_s(consistency_policies, s.consistency_policy)); |
5308f117 AP |
1288 | exit(2); |
1289 | } else if (s.consistency_policy == CONSISTENCY_POLICY_PPL && | |
1290 | s.level != 5) { | |
1291 | pr_err("PPL consistency policy is only supported for RAID level 5.\n"); | |
1292 | exit(2); | |
1293 | } else if (s.consistency_policy == CONSISTENCY_POLICY_BITMAP && | |
1294 | (!s.bitmap_file || | |
1295 | strcmp(s.bitmap_file, "none") == 0)) { | |
1296 | pr_err("--bitmap is required for consistency policy: %s\n", | |
5f21d674 | 1297 | map_num_s(consistency_policies, s.consistency_policy)); |
5308f117 AP |
1298 | exit(2); |
1299 | } else if (s.bitmap_file && | |
1300 | strcmp(s.bitmap_file, "none") != 0 && | |
1301 | s.consistency_policy != CONSISTENCY_POLICY_BITMAP && | |
1302 | s.consistency_policy != CONSISTENCY_POLICY_JOURNAL) { | |
1303 | pr_err("--bitmap is not compatible with consistency policy: %s\n", | |
5f21d674 | 1304 | map_num_s(consistency_policies, s.consistency_policy)); |
5308f117 AP |
1305 | exit(2); |
1306 | } | |
cc1799c3 SL |
1307 | } |
1308 | ||
0320ea45 NB |
1309 | if (!mode && devs_found) { |
1310 | mode = MISC; | |
1311 | devmode = 'Q'; | |
1312 | if (devlist->disposition == 0) | |
1313 | devlist->disposition = devmode; | |
1314 | } | |
52826846 NB |
1315 | if (!mode) { |
1316 | fputs(Usage, stderr); | |
64c4757e | 1317 | exit(2); |
64c4757e | 1318 | } |
38098016 | 1319 | |
52826846 NB |
1320 | /* Ok, got the option parsing out of the way |
1321 | * hopefully it's mostly right but there might be some stuff | |
1322 | * missing | |
1323 | * | |
e93bb91b | 1324 | * That is mostly checked in the per-mode stuff but... |
52826846 | 1325 | * |
18361a1a N |
1326 | * For @,B,C and A without -s, the first device listed must be |
1327 | * an md device. We check that here and open it. | |
64c4757e | 1328 | */ |
52826846 | 1329 | |
9d1fbf65 JS |
1330 | if (mode == MANAGE || mode == BUILD || mode == CREATE || |
1331 | mode == GROW || (mode == ASSEMBLE && ! c.scan)) { | |
27ad4900 LG |
1332 | struct stat stb; |
1333 | int ret; | |
1334 | ||
52826846 | 1335 | if (devs_found < 1) { |
e7b84f9d | 1336 | pr_err("an md device must be given in this mode\n"); |
52826846 NB |
1337 | exit(2); |
1338 | } | |
9e33d556 | 1339 | if ((int)ident.super_minor == -2 && c.autof) { |
e7b84f9d | 1340 | pr_err("--super-minor=dev is incompatible with --auto\n"); |
dd0781e5 NB |
1341 | exit(2); |
1342 | } | |
7f91af49 | 1343 | if (mode == MANAGE || mode == GROW) { |
6be1d39d | 1344 | mdfd = open_mddev(devlist->devname, 1); |
7f91af49 N |
1345 | if (mdfd < 0) |
1346 | exit(1); | |
27ad4900 LG |
1347 | |
1348 | ret = fstat(mdfd, &stb); | |
1349 | if (ret) { | |
1350 | pr_err("fstat failed on %s.\n", devlist->devname); | |
1351 | exit(1); | |
1352 | } | |
ced5fa8b BK |
1353 | } else { |
1354 | char *bname = basename(devlist->devname); | |
1355 | ||
1356 | if (strlen(bname) > MD_NAME_MAX) { | |
1357 | pr_err("Name %s is too long.\n", devlist->devname); | |
1358 | exit(1); | |
1359 | } | |
27ad4900 LG |
1360 | |
1361 | ret = stat(devlist->devname, &stb); | |
1362 | if (ident.super_minor == -2 && ret != 0) { | |
7a862a02 | 1363 | pr_err("--super-minor=dev given, and listed device %s doesn't exist.\n", |
27ad4900 LG |
1364 | devlist->devname); |
1365 | exit(1); | |
1366 | } | |
1367 | ||
1368 | if (!ret && !stat_is_md_dev(&stb)) { | |
1369 | pr_err("device %s exists but is not an md array.\n", devlist->devname); | |
7f91af49 N |
1370 | exit(1); |
1371 | } | |
7f91af49 | 1372 | } |
27ad4900 LG |
1373 | if (ident.super_minor == -2) |
1374 | ident.super_minor = minor(stb.st_rdev); | |
64c4757e | 1375 | } |
52826846 | 1376 | |
e705e81b N |
1377 | if (s.raiddisks) { |
1378 | if (s.raiddisks == 1 && !c.force && s.level != LEVEL_FAULTY) { | |
e7b84f9d | 1379 | pr_err("'1' is an unusual number of drives for an array, so it is probably\n" |
e4c4352e NB |
1380 | " a mistake. If you really mean it you will need to specify --force before\n" |
1381 | " setting the number of drives.\n"); | |
1382 | exit(2); | |
1383 | } | |
1384 | } | |
c82f047c | 1385 | |
86b77ddf | 1386 | if (c.homehost == NULL && c.require_homehost) |
9e33d556 | 1387 | c.homehost = conf_get_homehost(&c.require_homehost); |
9d1fbf65 | 1388 | if (c.homehost == NULL || strcasecmp(c.homehost, "<system>") == 0) { |
05697ec1 NB |
1389 | if (gethostname(sys_hostname, sizeof(sys_hostname)) == 0) { |
1390 | sys_hostname[sizeof(sys_hostname)-1] = 0; | |
9e33d556 | 1391 | c.homehost = sys_hostname; |
05697ec1 NB |
1392 | } |
1393 | } | |
9d1fbf65 JS |
1394 | if (c.homehost && |
1395 | (!c.homehost[0] || strcasecmp(c.homehost, "<none>") == 0)) { | |
9e33d556 N |
1396 | c.homehost = NULL; |
1397 | c.require_homehost = 0; | |
0f23aa88 | 1398 | } |
997aed5d | 1399 | |
380487fd | 1400 | rv = 0; |
e80357f8 GJ |
1401 | |
1402 | set_hooks(); /* set hooks from libs */ | |
1403 | ||
7716570e GJ |
1404 | if (c.homecluster == NULL && (c.nodes > 0)) { |
1405 | c.homecluster = conf_get_homecluster(); | |
1406 | if (c.homecluster == NULL) | |
1407 | rv = get_cluster_name(&c.homecluster); | |
380487fd | 1408 | if (rv) { |
7716570e GJ |
1409 | pr_err("The md can't get cluster name\n"); |
1410 | exit(1); | |
1411 | } | |
1412 | } | |
1413 | ||
138a9e9b XN |
1414 | if (c.update && strcmp(c.update, "nodes") == 0 && c.nodes == 0) { |
1415 | pr_err("Please specify nodes number with --nodes\n"); | |
1416 | exit(1); | |
1417 | } | |
1418 | ||
ae5dfc56 | 1419 | if (c.backup_file && s.data_offset != INVALID_SECTORS) { |
8192902f N |
1420 | pr_err("--backup-file and --data-offset are incompatible\n"); |
1421 | exit(2); | |
1422 | } | |
1423 | ||
9d1fbf65 JS |
1424 | if ((mode == MISC && devmode == 'E') || |
1425 | (mode == MONITOR && spare_sharing == 0)) | |
18361a1a N |
1426 | /* Anyone may try this */; |
1427 | else if (geteuid() != 0) { | |
e7b84f9d | 1428 | pr_err("must be super-user to perform this action\n"); |
ac5678dd N |
1429 | exit(1); |
1430 | } | |
1431 | ||
9e33d556 | 1432 | ident.autof = c.autof; |
7f91af49 | 1433 | |
265460ab N |
1434 | if (c.scan && c.verbose < 2) |
1435 | /* --scan implied --brief unless -vv */ | |
1436 | c.brief = 1; | |
1437 | ||
1b7eb962 GJ |
1438 | if (mode == CREATE) { |
1439 | if (s.bitmap_file && strcmp(s.bitmap_file, "clustered") == 0) { | |
1440 | locked = cluster_get_dlmlock(); | |
1441 | if (locked != 1) | |
1442 | exit(1); | |
1443 | } | |
1444 | } else if (mode == MANAGE || mode == GROW || mode == INCREMENTAL) { | |
1445 | if (!md_get_array_info(mdfd, &array) && (devmode != 'c')) { | |
1446 | if (array.state & (1 << MD_SB_CLUSTERED)) { | |
1447 | locked = cluster_get_dlmlock(); | |
1448 | if (locked != 1) | |
1449 | exit(1); | |
1450 | } | |
1451 | } | |
1452 | } | |
1453 | ||
52826846 | 1454 | switch(mode) { |
e0d19036 | 1455 | case MANAGE: |
52826846 | 1456 | /* readonly, add/remove, readwrite, runstop */ |
9e33d556 N |
1457 | if (c.readonly > 0) |
1458 | rv = Manage_ro(devlist->devname, mdfd, c.readonly); | |
52826846 | 1459 | if (!rv && devs_found>1) |
cd29a5c8 | 1460 | rv = Manage_subdevs(devlist->devname, mdfd, |
0937132d | 1461 | devlist->next, c.verbose, c.test, |
9e33d556 N |
1462 | c.update, c.force); |
1463 | if (!rv && c.readonly < 0) | |
1464 | rv = Manage_ro(devlist->devname, mdfd, c.readonly); | |
fe7e0e64 | 1465 | if (!rv && c.runstop > 0) |
d5a40416 | 1466 | rv = Manage_run(devlist->devname, mdfd, &c); |
fe7e0e64 N |
1467 | if (!rv && c.runstop < 0) |
1468 | rv = Manage_stop(devlist->devname, mdfd, c.verbose, 0); | |
52826846 | 1469 | break; |
e0d19036 | 1470 | case ASSEMBLE: |
1e93d0d1 BK |
1471 | if (!c.scan && c.runstop == -1) { |
1472 | pr_err("--no-degraded not meaningful without a --scan assembly.\n"); | |
1473 | exit(1); | |
1474 | } else if (devs_found == 1 && ident.uuid_set == 0 && | |
1475 | ident.super_minor == UnSet && ident.name[0] == 0 && | |
1476 | !c.scan) { | |
d013a55e | 1477 | /* Only a device has been given, so get details from config file */ |
fa56eddb | 1478 | struct mddev_ident *array_ident = conf_get_ident(devlist->devname); |
b5e64645 | 1479 | if (array_ident == NULL) { |
e7b84f9d | 1480 | pr_err("%s not identified in config file.\n", |
b5e64645 | 1481 | devlist->devname); |
d013a55e | 1482 | rv |= 1; |
7f91af49 N |
1483 | if (mdfd >= 0) |
1484 | close(mdfd); | |
b5e64645 | 1485 | } else { |
7f91af49 | 1486 | if (array_ident->autof == 0) |
9e33d556 | 1487 | array_ident->autof = c.autof; |
7f91af49 | 1488 | rv |= Assemble(ss, devlist->devname, array_ident, |
4977146a | 1489 | NULL, &c); |
d013a55e | 1490 | } |
9e33d556 | 1491 | } else if (!c.scan) |
7f91af49 | 1492 | rv = Assemble(ss, devlist->devname, &ident, |
4977146a | 1493 | devlist->next, &c); |
18361a1a | 1494 | else if (devs_found > 0) { |
9e33d556 | 1495 | if (c.update && devs_found > 1) { |
e7b84f9d | 1496 | pr_err("can only update a single array at a time\n"); |
5787fa49 NB |
1497 | exit(1); |
1498 | } | |
9e33d556 | 1499 | if (c.backup_file && devs_found > 1) { |
e7b84f9d | 1500 | pr_err("can only assemble a single array when providing a backup file.\n"); |
06b0d786 NB |
1501 | exit(1); |
1502 | } | |
8ea98217 | 1503 | for (dv = devlist; dv; dv = dv->next) { |
fa56eddb | 1504 | struct mddev_ident *array_ident = conf_get_ident(dv->devname); |
52826846 | 1505 | if (array_ident == NULL) { |
e7b84f9d | 1506 | pr_err("%s not identified in config file.\n", |
cd29a5c8 | 1507 | dv->devname); |
52826846 NB |
1508 | rv |= 1; |
1509 | continue; | |
1510 | } | |
7f91af49 | 1511 | if (array_ident->autof == 0) |
9e33d556 | 1512 | array_ident->autof = c.autof; |
7f91af49 | 1513 | rv |= Assemble(ss, dv->devname, array_ident, |
4977146a | 1514 | NULL, &c); |
52826846 | 1515 | } |
5787fa49 | 1516 | } else { |
9e33d556 | 1517 | if (c.update) { |
e7b84f9d | 1518 | pr_err("--update not meaningful with a --scan assembly.\n"); |
da6b5ca9 NB |
1519 | exit(1); |
1520 | } | |
9e33d556 | 1521 | if (c.backup_file) { |
e7b84f9d | 1522 | pr_err("--backup_file not meaningful with a --scan assembly.\n"); |
da6b5ca9 NB |
1523 | exit(1); |
1524 | } | |
4977146a | 1525 | rv = scan_assemble(ss, &c, &ident); |
52826846 | 1526 | } |
3cbc4d12 | 1527 | |
52826846 | 1528 | break; |
e0d19036 | 1529 | case BUILD: |
9e33d556 N |
1530 | if (c.delay == 0) |
1531 | c.delay = DEFAULT_BITMAP_DELAY; | |
e705e81b | 1532 | if (s.write_behind && !s.bitmap_file) { |
e7b84f9d | 1533 | pr_err("write-behind mode requires a bitmap.\n"); |
dfd4d8ee NB |
1534 | rv = 1; |
1535 | break; | |
1536 | } | |
e705e81b | 1537 | if (s.raiddisks == 0) { |
e7b84f9d | 1538 | pr_err("no raid-devices specified.\n"); |
5b28bd56 NB |
1539 | rv = 1; |
1540 | break; | |
1541 | } | |
dfd4d8ee | 1542 | |
e705e81b | 1543 | if (s.bitmap_file) { |
9d1fbf65 | 1544 | if (strcmp(s.bitmap_file, "internal") == 0 || |
6d9c7c25 GR |
1545 | strcmp(s.bitmap_file, "clustered") == 0) { |
1546 | pr_err("'internal' and 'clustered' bitmaps not supported with --build\n"); | |
55935d51 NB |
1547 | rv |= 1; |
1548 | break; | |
1549 | } | |
c82f047c | 1550 | } |
a4e8316a | 1551 | rv = Build(devlist->devname, devlist->next, &s, &c); |
52826846 | 1552 | break; |
e0d19036 | 1553 | case CREATE: |
9e33d556 N |
1554 | if (c.delay == 0) |
1555 | c.delay = DEFAULT_BITMAP_DELAY; | |
529e2aa5 GJ |
1556 | |
1557 | if (c.nodes) { | |
9d1fbf65 JS |
1558 | if (!s.bitmap_file || |
1559 | strcmp(s.bitmap_file, "clustered") != 0) { | |
529e2aa5 GJ |
1560 | pr_err("--nodes argument only compatible with --bitmap=clustered\n"); |
1561 | rv = 1; | |
1562 | break; | |
1563 | } | |
1564 | ||
5339f996 GJ |
1565 | if (s.level != 1 && s.level != 10) { |
1566 | pr_err("--bitmap=clustered is currently supported with raid1/10 only\n"); | |
1567 | rv = 1; | |
1568 | break; | |
1569 | } | |
18160d34 | 1570 | if (s.level == 10 && !(is_near_layout_10(s.layout) || s.layout == UnSet)) { |
5339f996 | 1571 | pr_err("only near layout is supported with clustered raid10\n"); |
529e2aa5 GJ |
1572 | rv = 1; |
1573 | break; | |
1574 | } | |
1575 | } | |
1576 | ||
e705e81b | 1577 | if (s.write_behind && !s.bitmap_file) { |
e7b84f9d | 1578 | pr_err("write-behind mode requires a bitmap.\n"); |
dfd4d8ee NB |
1579 | rv = 1; |
1580 | break; | |
1581 | } | |
e705e81b | 1582 | if (s.raiddisks == 0) { |
e7b84f9d | 1583 | pr_err("no raid-devices specified.\n"); |
5b28bd56 NB |
1584 | rv = 1; |
1585 | break; | |
1586 | } | |
f9ce90ba | 1587 | |
99cc42f4 N |
1588 | rv = Create(ss, devlist->devname, |
1589 | ident.name, ident.uuid_set ? ident.uuid : NULL, | |
ae5dfc56 | 1590 | devs_found - 1, devlist->next, &s, &c); |
52826846 | 1591 | break; |
e0d19036 | 1592 | case MISC: |
e0d19036 | 1593 | if (devmode == 'E') { |
9e33d556 | 1594 | if (devlist == NULL && !c.scan) { |
e7b84f9d | 1595 | pr_err("No devices to examine\n"); |
e0d19036 NB |
1596 | exit(2); |
1597 | } | |
1598 | if (devlist == NULL) | |
8aec876d | 1599 | devlist = conf_get_devs(); |
e0d19036 | 1600 | if (devlist == NULL) { |
e7b84f9d | 1601 | pr_err("No devices listed in %s\n", configfile?configfile:DefaultConfFile); |
e0d19036 NB |
1602 | exit(1); |
1603 | } | |
eec3f887 | 1604 | rv = Examine(devlist, &c, ss); |
4cce4069 | 1605 | } else if (devmode == DetailPlatform) { |
9eafa1de MN |
1606 | rv = Detail_Platform(ss ? ss->ss : NULL, ss ? c.scan : 1, |
1607 | c.verbose, c.export, | |
1608 | devlist ? devlist->devname : NULL); | |
7d27d1c0 | 1609 | } else if (devlist == NULL) { |
9e33d556 | 1610 | if (devmode == 'S' && c.scan) |
0937132d | 1611 | rv = stop_scan(c.verbose); |
9d1fbf65 JS |
1612 | else if ((devmode == 'D' || devmode == Waitclean) && |
1613 | c.scan) | |
ef898ce6 | 1614 | rv = misc_scan(devmode, &c); |
7d27d1c0 N |
1615 | else if (devmode == UdevRules) |
1616 | rv = Write_rules(udev_filename); | |
1617 | else { | |
e7b84f9d | 1618 | pr_err("No devices given.\n"); |
7d27d1c0 | 1619 | exit(2); |
e0d19036 | 1620 | } |
7d27d1c0 | 1621 | } else |
74db60b0 | 1622 | rv = misc_list(devlist, &ident, dump_directory, ss, &c); |
9a9dab36 | 1623 | break; |
e0d19036 | 1624 | case MONITOR: |
9e33d556 | 1625 | if (!devlist && !c.scan) { |
e7b84f9d | 1626 | pr_err("Cannot monitor: need --scan or at least one device\n"); |
e0d19036 NB |
1627 | rv = 1; |
1628 | break; | |
1629 | } | |
b5e64645 | 1630 | if (pidfile && !daemonise) { |
e7b84f9d | 1631 | pr_err("Cannot write a pid file when not in daemon mode\n"); |
b5e64645 NB |
1632 | rv = 1; |
1633 | break; | |
1634 | } | |
9e33d556 | 1635 | if (c.delay == 0) { |
0663137c | 1636 | c.delay = conf_get_monitor_delay(); |
1637 | if (!c.delay) | |
9e33d556 | 1638 | c.delay = 60; |
ddc7201f | 1639 | } |
8ea98217 JS |
1640 | rv = Monitor(devlist, mailaddr, program, |
1641 | &c, daemonise, oneshot, | |
1642 | dosyslog, pidfile, increments, | |
1643 | spare_sharing); | |
9a9dab36 | 1644 | break; |
dd0781e5 NB |
1645 | |
1646 | case GROW: | |
a93f8c65 | 1647 | if (array_size > 0) { |
84e11361 N |
1648 | /* alway impose array size first, independent of |
1649 | * anything else | |
9ce510be N |
1650 | * Do not allow level or raid_disks changes at the |
1651 | * same time as that can be irreversibly destructive. | |
84e11361 N |
1652 | */ |
1653 | struct mdinfo sra; | |
1654 | int err; | |
e705e81b | 1655 | if (s.raiddisks || s.level != UnSet) { |
7a862a02 | 1656 | pr_err("cannot change array size in same operation as changing raiddisks or level.\n" |
9ce510be N |
1657 | " Change size first, then check that data is still intact.\n"); |
1658 | rv = 1; | |
1659 | break; | |
1660 | } | |
dae13137 JS |
1661 | if (sysfs_init(&sra, mdfd, NULL)) { |
1662 | rv = 1; | |
1663 | break; | |
1664 | } | |
a93f8c65 | 1665 | if (array_size == MAX_SIZE) |
84e11361 N |
1666 | err = sysfs_set_str(&sra, NULL, "array_size", "default"); |
1667 | else | |
1668 | err = sysfs_set_num(&sra, NULL, "array_size", array_size / 2); | |
1669 | if (err < 0) { | |
1670 | if (errno == E2BIG) | |
7a862a02 | 1671 | pr_err("--array-size setting is too large.\n"); |
84e11361 | 1672 | else |
7a862a02 | 1673 | pr_err("current kernel does not support setting --array-size\n"); |
84e11361 N |
1674 | rv = 1; |
1675 | break; | |
1676 | } | |
1677 | } | |
1c8b90df | 1678 | if (devs_found > 1 && s.raiddisks == 0 && s.level == UnSet) { |
e5329c37 | 1679 | /* must be '-a'. */ |
9d1fbf65 JS |
1680 | if (s.size > 0 || s.chunk || |
1681 | s.layout_str || s.bitmap_file) { | |
7a862a02 | 1682 | pr_err("--add cannot be used with other geometry changes in --grow mode\n"); |
e5329c37 NB |
1683 | rv = 1; |
1684 | break; | |
1685 | } | |
8ea98217 | 1686 | for (dv = devlist->next; dv; dv = dv->next) { |
e2e53a2d N |
1687 | rv = Grow_Add_device(devlist->devname, mdfd, |
1688 | dv->devname); | |
e5329c37 NB |
1689 | if (rv) |
1690 | break; | |
1691 | } | |
e705e81b N |
1692 | } else if (s.bitmap_file) { |
1693 | if (s.size > 0 || s.raiddisks || s.chunk || | |
9d1fbf65 | 1694 | s.layout_str || devs_found > 1) { |
7a862a02 | 1695 | pr_err("--bitmap changes cannot be used with other geometry changes in --grow mode\n"); |
7236ee7a N |
1696 | rv = 1; |
1697 | break; | |
1698 | } | |
9e33d556 N |
1699 | if (c.delay == 0) |
1700 | c.delay = DEFAULT_BITMAP_DELAY; | |
50f01ba5 | 1701 | rv = Grow_addbitmap(devlist->devname, mdfd, &c, &s); |
2dddadb0 AK |
1702 | } else if (grow_continue) |
1703 | rv = Grow_continue_command(devlist->devname, | |
9e33d556 | 1704 | mdfd, c.backup_file, |
0937132d | 1705 | c.verbose); |
9d1fbf65 JS |
1706 | else if (s.size > 0 || s.raiddisks || s.layout_str || |
1707 | s.chunk != 0 || s.level != UnSet || | |
ae5dfc56 | 1708 | s.data_offset != INVALID_SECTORS) { |
32754b7d | 1709 | rv = Grow_reshape(devlist->devname, mdfd, |
ae5dfc56 | 1710 | devlist->next, &c, &s); |
b7580566 | 1711 | } else if (s.consistency_policy != CONSISTENCY_POLICY_UNKNOWN) { |
860f11ed | 1712 | rv = Grow_consistency_policy(devlist->devname, mdfd, &c, &s); |
a93f8c65 | 1713 | } else if (array_size == 0) |
e7b84f9d | 1714 | pr_err("no changes to --grow\n"); |
dd0781e5 | 1715 | break; |
8382f19b NB |
1716 | case INCREMENTAL: |
1717 | if (rebuild_map) { | |
1718 | RebuildMap(); | |
1719 | } | |
9e33d556 | 1720 | if (c.scan) { |
9eaf410f N |
1721 | rv = 1; |
1722 | if (devlist) { | |
1723 | pr_err("In --incremental mode, a device cannot be given with --scan.\n"); | |
1724 | break; | |
1725 | } | |
9e33d556 | 1726 | if (c.runstop <= 0) { |
e7b84f9d | 1727 | pr_err("--incremental --scan meaningless without --run.\n"); |
8382f19b NB |
1728 | break; |
1729 | } | |
29ba4804 | 1730 | if (devmode == 'f') { |
e7b84f9d | 1731 | pr_err("--incremental --scan --fail not supported.\n"); |
29ba4804 N |
1732 | break; |
1733 | } | |
d5a40416 | 1734 | rv = IncrementalScan(&c, NULL); |
8382f19b NB |
1735 | } |
1736 | if (!devlist) { | |
9e33d556 | 1737 | if (!rebuild_map && !c.scan) { |
e7b84f9d | 1738 | pr_err("--incremental requires a device.\n"); |
8382f19b NB |
1739 | rv = 1; |
1740 | } | |
1741 | break; | |
1742 | } | |
b11fe74d N |
1743 | if (devmode == 'f') { |
1744 | if (devlist->next) { | |
1745 | pr_err("'--incremental --fail' can only handle one device.\n"); | |
1746 | rv = 1; | |
1747 | break; | |
1748 | } | |
950bc344 | 1749 | rv = IncrementalRemove(devlist->devname, remove_path, |
0937132d | 1750 | c.verbose); |
b11fe74d N |
1751 | } else |
1752 | rv = Incremental(devlist, &c, ss); | |
1f48664b NB |
1753 | break; |
1754 | case AUTODETECT: | |
1755 | autodetect(); | |
1756 | break; | |
64c4757e | 1757 | } |
1b7eb962 GJ |
1758 | if (locked) |
1759 | cluster_release_dlmlock(); | |
b71de056 | 1760 | close_fd(&mdfd); |
52826846 | 1761 | exit(rv); |
64c4757e | 1762 | } |
3cbc4d12 | 1763 | |
4977146a N |
1764 | static int scan_assemble(struct supertype *ss, |
1765 | struct context *c, | |
1766 | struct mddev_ident *ident) | |
3cbc4d12 N |
1767 | { |
1768 | struct mddev_ident *a, *array_list = conf_get_ident(NULL); | |
1769 | struct mddev_dev *devlist = conf_get_devs(); | |
1770 | struct map_ent *map = NULL; | |
1771 | int cnt = 0; | |
1772 | int rv = 0; | |
1773 | int failures, successes; | |
1774 | ||
1775 | if (conf_verify_devnames(array_list)) { | |
7a862a02 | 1776 | pr_err("Duplicate MD device names in conf file were found.\n"); |
3cbc4d12 N |
1777 | return 1; |
1778 | } | |
1779 | if (devlist == NULL) { | |
e7b84f9d | 1780 | pr_err("No devices listed in conf file were found.\n"); |
3cbc4d12 N |
1781 | return 1; |
1782 | } | |
8ea98217 | 1783 | for (a = array_list; a; a = a->next) { |
3cbc4d12 N |
1784 | a->assembled = 0; |
1785 | if (a->autof == 0) | |
4977146a | 1786 | a->autof = c->autof; |
3cbc4d12 N |
1787 | } |
1788 | if (map_lock(&map)) | |
1ade5cc1 | 1789 | pr_err("failed to get exclusive lock on mapfile\n"); |
3cbc4d12 N |
1790 | do { |
1791 | failures = 0; | |
1792 | successes = 0; | |
1793 | rv = 0; | |
8ea98217 | 1794 | for (a = array_list; a; a = a->next) { |
3cbc4d12 N |
1795 | int r; |
1796 | if (a->assembled) | |
1797 | continue; | |
1798 | if (a->devname && | |
1799 | strcasecmp(a->devname, "<ignore>") == 0) | |
1800 | continue; | |
1011e834 | 1801 | |
3cbc4d12 | 1802 | r = Assemble(ss, a->devname, |
4977146a | 1803 | a, NULL, c); |
3cbc4d12 N |
1804 | if (r == 0) { |
1805 | a->assembled = 1; | |
1806 | successes++; | |
1807 | } else | |
1808 | failures++; | |
1809 | rv |= r; | |
1810 | cnt++; | |
1811 | } | |
1812 | } while (failures && successes); | |
4977146a | 1813 | if (c->homehost && cnt == 0) { |
3cbc4d12 N |
1814 | /* Maybe we can auto-assemble something. |
1815 | * Repeatedly call Assemble in auto-assemble mode | |
1816 | * until it fails | |
1817 | */ | |
1818 | int rv2; | |
1819 | int acnt; | |
4977146a | 1820 | ident->autof = c->autof; |
3cbc4d12 N |
1821 | do { |
1822 | struct mddev_dev *devlist = conf_get_devs(); | |
1823 | acnt = 0; | |
1824 | do { | |
1825 | rv2 = Assemble(ss, NULL, | |
1826 | ident, | |
4977146a | 1827 | devlist, c); |
9d1fbf65 | 1828 | if (rv2 == 0) { |
3cbc4d12 N |
1829 | cnt++; |
1830 | acnt++; | |
1831 | } | |
9d1fbf65 | 1832 | } while (rv2 != 2); |
3cbc4d12 N |
1833 | /* Incase there are stacked devices, we need to go around again */ |
1834 | } while (acnt); | |
1835 | if (cnt == 0 && rv == 0) { | |
e7b84f9d | 1836 | pr_err("No arrays found in config file or automatically\n"); |
3cbc4d12 N |
1837 | rv = 1; |
1838 | } else if (cnt) | |
1839 | rv = 0; | |
1840 | } else if (cnt == 0 && rv == 0) { | |
e7b84f9d | 1841 | pr_err("No arrays found in config file\n"); |
3cbc4d12 N |
1842 | rv = 1; |
1843 | } | |
1844 | map_unlock(&map); | |
1845 | return rv; | |
1846 | } | |
7d27d1c0 | 1847 | |
ef898ce6 | 1848 | static int misc_scan(char devmode, struct context *c) |
7d27d1c0 N |
1849 | { |
1850 | /* apply --detail or --wait-clean to | |
1851 | * all devices in /proc/mdstat | |
1852 | */ | |
1853 | struct mdstat_ent *ms = mdstat_read(0, 1); | |
1854 | struct mdstat_ent *e; | |
1855 | struct map_ent *map = NULL; | |
1856 | int members; | |
7d27d1c0 N |
1857 | int rv = 0; |
1858 | ||
1859 | for (members = 0; members <= 1; members++) { | |
8ea98217 | 1860 | for (e = ms; e; e = e->next) { |
743eaf8b | 1861 | char *name = NULL; |
7d27d1c0 | 1862 | struct map_ent *me; |
743eaf8b | 1863 | struct stat stb; |
7d27d1c0 N |
1864 | int member = e->metadata_version && |
1865 | strncmp(e->metadata_version, | |
1866 | "external:/", 10) == 0; | |
1867 | if (members != member) | |
1868 | continue; | |
4dd2df09 | 1869 | me = map_by_devnm(&map, e->devnm); |
fc54fe7a | 1870 | if (me && me->path && strcmp(me->path, "/unknown") != 0) |
7d27d1c0 | 1871 | name = me->path; |
9d1fbf65 | 1872 | if (name == NULL || stat(name, &stb) != 0) |
4dd2df09 | 1873 | name = get_md_name(e->devnm); |
7d27d1c0 N |
1874 | |
1875 | if (!name) { | |
e7b84f9d | 1876 | pr_err("cannot find device file for %s\n", |
9581efb1 | 1877 | e->devnm); |
7d27d1c0 N |
1878 | continue; |
1879 | } | |
1880 | if (devmode == 'D') | |
ef898ce6 | 1881 | rv |= Detail(name, c); |
7d27d1c0 | 1882 | else |
1ea04629 | 1883 | rv |= WaitClean(name, c->verbose); |
7d27d1c0 | 1884 | put_md_name(name); |
898bd1ec GJ |
1885 | map_free(map); |
1886 | map = NULL; | |
7d27d1c0 N |
1887 | } |
1888 | } | |
1889 | free_mdstat(ms); | |
1890 | return rv; | |
1891 | } | |
1892 | ||
ba728be7 | 1893 | static int stop_scan(int verbose) |
7d27d1c0 N |
1894 | { |
1895 | /* apply --stop to all devices in /proc/mdstat */ | |
1896 | /* Due to possible stacking of devices, repeat until | |
1897 | * nothing more can be stopped | |
1898 | */ | |
8ea98217 | 1899 | int progress = 1, err; |
7d27d1c0 N |
1900 | int last = 0; |
1901 | int rv = 0; | |
1902 | do { | |
1903 | struct mdstat_ent *ms = mdstat_read(0, 0); | |
1904 | struct mdstat_ent *e; | |
1905 | ||
1906 | if (!progress) last = 1; | |
1907 | progress = 0; err = 0; | |
8ea98217 | 1908 | for (e = ms; e; e = e->next) { |
4dd2df09 | 1909 | char *name = get_md_name(e->devnm); |
7d27d1c0 N |
1910 | int mdfd; |
1911 | ||
1912 | if (!name) { | |
e7b84f9d | 1913 | pr_err("cannot find device file for %s\n", |
9581efb1 | 1914 | e->devnm); |
7d27d1c0 N |
1915 | continue; |
1916 | } | |
1917 | mdfd = open_mddev(name, 1); | |
1918 | if (mdfd >= 0) { | |
fe7e0e64 | 1919 | if (Manage_stop(name, mdfd, verbose, !last)) |
7d27d1c0 N |
1920 | err = 1; |
1921 | else | |
1922 | progress = 1; | |
1923 | close(mdfd); | |
1924 | } | |
1925 | ||
1926 | put_md_name(name); | |
1927 | } | |
1928 | free_mdstat(ms); | |
1929 | } while (!last && err); | |
1930 | if (err) | |
1931 | rv |= 1; | |
1932 | return rv; | |
1933 | } | |
1934 | ||
1935 | static int misc_list(struct mddev_dev *devlist, | |
86da243f | 1936 | struct mddev_ident *ident, |
74db60b0 | 1937 | char *dump_directory, |
86da243f | 1938 | struct supertype *ss, struct context *c) |
7d27d1c0 N |
1939 | { |
1940 | struct mddev_dev *dv; | |
1941 | int rv = 0; | |
1942 | ||
8ea98217 | 1943 | for (dv = devlist; dv; dv = (rv & 16) ? NULL : dv->next) { |
5fbc1f15 | 1944 | int mdfd = -1; |
7d27d1c0 N |
1945 | |
1946 | switch(dv->disposition) { | |
1947 | case 'D': | |
ef898ce6 | 1948 | rv |= Detail(dv->devname, c); |
7d27d1c0 N |
1949 | continue; |
1950 | case KillOpt: /* Zero superblock */ | |
1951 | if (ss) | |
86da243f | 1952 | rv |= Kill(dv->devname, ss, c->force, c->verbose,0); |
7d27d1c0 | 1953 | else { |
86da243f | 1954 | int v = c->verbose; |
7d27d1c0 | 1955 | do { |
86da243f | 1956 | rv |= Kill(dv->devname, NULL, c->force, v, 0); |
ba728be7 | 1957 | v = -1; |
7d27d1c0 | 1958 | } while (rv == 0); |
29d7f182 | 1959 | rv &= ~4; |
7d27d1c0 N |
1960 | } |
1961 | continue; | |
1962 | case 'Q': | |
ed180996 JS |
1963 | rv |= Query(dv->devname); |
1964 | continue; | |
7d27d1c0 | 1965 | case 'X': |
ed180996 JS |
1966 | rv |= ExamineBitmap(dv->devname, c->brief, ss); |
1967 | continue; | |
6d388a88 | 1968 | case ExamineBB: |
ed180996 JS |
1969 | rv |= ExamineBadblocks(dv->devname, c->brief, ss); |
1970 | continue; | |
7d27d1c0 N |
1971 | case 'W': |
1972 | case WaitOpt: | |
ed180996 JS |
1973 | rv |= Wait(dv->devname); |
1974 | continue; | |
7d27d1c0 | 1975 | case Waitclean: |
1ea04629 | 1976 | rv |= WaitClean(dv->devname, c->verbose); |
ed180996 | 1977 | continue; |
7d27d1c0 | 1978 | case KillSubarray: |
86da243f | 1979 | rv |= Kill_subarray(dv->devname, c->subarray, c->verbose); |
7d27d1c0 N |
1980 | continue; |
1981 | case UpdateSubarray: | |
86da243f | 1982 | if (c->update == NULL) { |
e7b84f9d | 1983 | pr_err("-U/--update must be specified with --update-subarray\n"); |
7d27d1c0 N |
1984 | rv |= 1; |
1985 | continue; | |
1986 | } | |
86da243f N |
1987 | rv |= Update_subarray(dv->devname, c->subarray, |
1988 | c->update, ident, c->verbose); | |
7d27d1c0 | 1989 | continue; |
74db60b0 N |
1990 | case Dump: |
1991 | rv |= Dump_metadata(dv->devname, dump_directory, c, ss); | |
1992 | continue; | |
1993 | case Restore: | |
1994 | rv |= Restore_metadata(dv->devname, dump_directory, c, ss, | |
1995 | (dv == devlist && dv->next == NULL)); | |
1996 | continue; | |
a740cf64 N |
1997 | case Action: |
1998 | rv |= SetAction(dv->devname, c->action); | |
1999 | continue; | |
7d27d1c0 | 2000 | } |
13428e2e GK |
2001 | |
2002 | if (dv->devname[0] != '/') | |
2003 | mdfd = open_dev(dv->devname); | |
2004 | if (dv->devname[0] == '/' || mdfd < 0) | |
2005 | mdfd = open_mddev(dv->devname, 1); | |
2006 | ||
8ea98217 | 2007 | if (mdfd >= 0) { |
7d27d1c0 N |
2008 | switch(dv->disposition) { |
2009 | case 'R': | |
d5a40416 | 2010 | c->runstop = 1; |
ed180996 JS |
2011 | rv |= Manage_run(dv->devname, mdfd, c); |
2012 | break; | |
7d27d1c0 | 2013 | case 'S': |
0530e2e0 NS |
2014 | if (c->scan) { |
2015 | pr_err("--stop not meaningful with both a --scan assembly and a device name.\n"); | |
2016 | rv |= 1; | |
2017 | break; | |
2018 | } | |
ed180996 JS |
2019 | rv |= Manage_stop(dv->devname, mdfd, c->verbose, 0); |
2020 | break; | |
7d27d1c0 | 2021 | case 'o': |
ed180996 JS |
2022 | rv |= Manage_ro(dv->devname, mdfd, 1); |
2023 | break; | |
7d27d1c0 | 2024 | case 'w': |
ed180996 JS |
2025 | rv |= Manage_ro(dv->devname, mdfd, -1); |
2026 | break; | |
7d27d1c0 N |
2027 | } |
2028 | close(mdfd); | |
2029 | } else | |
2030 | rv |= 1; | |
2031 | } | |
2032 | return rv; | |
2033 | } | |
a740cf64 N |
2034 | |
2035 | int SetAction(char *dev, char *action) | |
2036 | { | |
2037 | int fd = open(dev, O_RDONLY); | |
2038 | struct mdinfo mdi; | |
dae13137 JS |
2039 | int retval; |
2040 | ||
a740cf64 N |
2041 | if (fd < 0) { |
2042 | pr_err("Couldn't open %s: %s\n", dev, strerror(errno)); | |
2043 | return 1; | |
2044 | } | |
dae13137 | 2045 | retval = sysfs_init(&mdi, fd, NULL); |
a740cf64 | 2046 | close(fd); |
dae13137 | 2047 | if (retval) { |
a740cf64 N |
2048 | pr_err("%s is no an md array\n", dev); |
2049 | return 1; | |
2050 | } | |
2051 | ||
2052 | if (sysfs_set_str(&mdi, NULL, "sync_action", action) < 0) { | |
2053 | pr_err("Count not set action for %s to %s: %s\n", | |
2054 | dev, action, strerror(errno)); | |
2055 | return 1; | |
2056 | } | |
2057 | return 0; | |
2058 | } |