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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; |
2568ce89 | 103 | FILE *outf = NULL; |
e5329c37 | 104 | |
52826846 | 105 | int mdfd = -1; |
1b7eb962 | 106 | int locked = 0; |
52826846 | 107 | |
dfe47e00 NB |
108 | srandom(time(0) ^ getpid()); |
109 | ||
f8d2c428 JS |
110 | if (get_linux_version() < 2006032) { |
111 | pr_err("This version of mdadm does not support kernels older than 2.6.32\n"); | |
dcf3d4de JS |
112 | exit(1); |
113 | } | |
114 | ||
7fcbfd7c MT |
115 | ident_init(&ident); |
116 | ||
8ea98217 JS |
117 | while ((option_index = -1), |
118 | (opt = getopt_long(argc, argv, shortopt, long_options, | |
119 | &option_index)) != -1) { | |
e0d19036 | 120 | int newmode = mode; |
35904960 | 121 | /* firstly, some mode-independent options */ |
52826846 | 122 | switch(opt) { |
1c7a808c N |
123 | case HelpOptions: |
124 | print_help = 2; | |
125 | continue; | |
52826846 | 126 | case 'h': |
1c7a808c | 127 | print_help = 1; |
3d4064cc | 128 | continue; |
52826846 NB |
129 | |
130 | case 'V': | |
131 | fputs(Version, stderr); | |
132 | exit(0); | |
133 | ||
9e33d556 | 134 | case 'v': c.verbose++; |
52826846 NB |
135 | continue; |
136 | ||
0937132d | 137 | case 'q': c.verbose--; |
dab6685f NB |
138 | continue; |
139 | ||
c82f047c | 140 | case 'b': |
9d1fbf65 JS |
141 | if (mode == ASSEMBLE || mode == BUILD || |
142 | mode == CREATE || mode == GROW || | |
143 | mode == INCREMENTAL || mode == MANAGE) | |
c82f047c | 144 | break; /* b means bitmap */ |
1c7a808c | 145 | case Brief: |
9e33d556 | 146 | c.brief = 1; |
cd29a5c8 NB |
147 | continue; |
148 | ||
d11abe4b CL |
149 | case NoDevices: |
150 | c.no_devices = 1; | |
151 | continue; | |
152 | ||
9e33d556 | 153 | case 'Y': c.export++; |
54bad364 KS |
154 | continue; |
155 | ||
997aed5d | 156 | case HomeHost: |
7b3b691b | 157 | if (is_devname_ignore(optarg) == true) |
9e33d556 | 158 | c.require_homehost = 0; |
0ac91628 | 159 | else |
9e33d556 | 160 | c.homehost = optarg; |
997aed5d NB |
161 | continue; |
162 | ||
08ca2adf | 163 | case OffRootOpt: |
3e23ba9d | 164 | /* Silently ignore old option */ |
08ca2adf JS |
165 | continue; |
166 | ||
c2ecf5f6 | 167 | case Prefer: |
9e33d556 N |
168 | if (c.prefer) |
169 | free(c.prefer); | |
170 | if (asprintf(&c.prefer, "/%s/", optarg) <= 0) | |
171 | c.prefer = NULL; | |
c2ecf5f6 N |
172 | continue; |
173 | ||
e0d19036 NB |
174 | case ':': |
175 | case '?': | |
176 | fputs(Usage, stderr); | |
177 | exit(2); | |
178 | } | |
179 | /* second, figure out the mode. | |
180 | * Some options force the mode. Others | |
aba69144 | 181 | * set the mode if it isn't already |
e0d19036 NB |
182 | */ |
183 | ||
184 | switch(opt) { | |
1c7a808c | 185 | case ManageOpt: |
c06487ce | 186 | newmode = MANAGE; |
024768c4 | 187 | shortopt = short_bitmap_options; |
c06487ce | 188 | break; |
e0d19036 | 189 | case 'a': |
1c7a808c | 190 | case Add: |
f33a71f1 | 191 | case AddSpare: |
01290056 | 192 | case AddJournal: |
e0d19036 | 193 | case 'r': |
1c7a808c | 194 | case Remove: |
70c55e36 N |
195 | case Replace: |
196 | case With: | |
e0d19036 | 197 | case 'f': |
1c7a808c | 198 | case Fail: |
41a3b72a | 199 | case ReAdd: /* re-add */ |
4de90913 | 200 | case ClusterConfirm: |
c06487ce NB |
201 | if (!mode) { |
202 | newmode = MANAGE; | |
024768c4 | 203 | shortopt = short_bitmap_options; |
c06487ce | 204 | } |
0320ea45 | 205 | break; |
e0d19036 | 206 | |
18361a1a N |
207 | case 'A': newmode = ASSEMBLE; |
208 | shortopt = short_bitmap_auto_options; | |
209 | break; | |
210 | case 'B': newmode = BUILD; | |
211 | shortopt = short_bitmap_auto_options; | |
212 | break; | |
213 | case 'C': newmode = CREATE; | |
214 | shortopt = short_bitmap_auto_options; | |
215 | break; | |
216 | case 'F': newmode = MONITOR; | |
6c9d9260 | 217 | shortopt = short_monitor_options; |
18361a1a | 218 | break; |
024768c4 DL |
219 | case 'G': newmode = GROW; |
220 | shortopt = short_bitmap_options; | |
221 | break; | |
95b79df0 | 222 | case 'I': newmode = INCREMENTAL; |
18361a1a N |
223 | shortopt = short_bitmap_auto_options; |
224 | break; | |
1f48664b | 225 | case AutoDetect: |
5a53aeec JS |
226 | newmode = AUTODETECT; |
227 | break; | |
e0d19036 | 228 | |
1c7a808c | 229 | case MiscOpt: |
e0d19036 NB |
230 | case 'D': |
231 | case 'E': | |
c82f047c | 232 | case 'X': |
5a53aeec | 233 | case 'Q': |
6d388a88 | 234 | case ExamineBB: |
74db60b0 N |
235 | case Dump: |
236 | case Restore: | |
a740cf64 | 237 | case Action: |
5a53aeec JS |
238 | newmode = MISC; |
239 | break; | |
240 | ||
e0d19036 NB |
241 | case 'R': |
242 | case 'S': | |
243 | case 'o': | |
244 | case 'w': | |
b90c0e9a | 245 | case 'W': |
1c7a808c | 246 | case WaitOpt: |
1770662b | 247 | case Waitclean: |
4cce4069 | 248 | case DetailPlatform: |
33414a01 | 249 | case KillSubarray: |
aa534678 | 250 | case UpdateSubarray: |
20b60dcd | 251 | case UdevRules: |
f7d3febc | 252 | case KillOpt: |
5a53aeec JS |
253 | if (!mode) |
254 | newmode = MISC; | |
255 | break; | |
256 | ||
257 | case NoSharing: | |
258 | newmode = MONITOR; | |
259 | break; | |
e0d19036 NB |
260 | } |
261 | if (mode && newmode == mode) { | |
262 | /* everybody happy ! */ | |
263 | } else if (mode && newmode != mode) { | |
264 | /* not allowed.. */ | |
e7b84f9d | 265 | pr_err(""); |
e0d19036 NB |
266 | if (option_index >= 0) |
267 | fprintf(stderr, "--%s", long_options[option_index].name); | |
268 | else | |
269 | fprintf(stderr, "-%c", opt); | |
e6b64cd0 | 270 | fprintf(stderr, " would set mdadm mode to \"%s\", but it is already set to \"%s\".\n", |
5f21d674 MT |
271 | map_num_s(modes, newmode), |
272 | map_num_s(modes, mode)); | |
e0d19036 NB |
273 | exit(2); |
274 | } else if (!mode && newmode) { | |
275 | mode = newmode; | |
dec18cae | 276 | if (mode == MISC && devs_found) { |
e7b84f9d | 277 | pr_err("No action given for %s in --misc mode\n", |
dec18cae | 278 | devlist->devname); |
d33f1518 | 279 | cont_err("Action options must come before device names\n"); |
dec18cae N |
280 | exit(2); |
281 | } | |
e0d19036 NB |
282 | } else { |
283 | /* special case of -c --help */ | |
1c7a808c | 284 | if ((opt == 'c' || opt == ConfigFile) && |
9d1fbf65 JS |
285 | (strncmp(optarg, "--h", 3) == 0 || |
286 | strncmp(optarg, "-h", 2) == 0)) { | |
0047d254 | 287 | fputs(Help_config, stdout); |
e0d19036 | 288 | exit(0); |
cd29a5c8 | 289 | } |
0320ea45 NB |
290 | |
291 | /* If first option is a device, don't force the mode yet */ | |
292 | if (opt == 1) { | |
293 | if (devs_found == 0) { | |
503975b9 | 294 | dv = xmalloc(sizeof(*dv)); |
0320ea45 NB |
295 | dv->devname = optarg; |
296 | dv->disposition = devmode; | |
dfd4d8ee | 297 | dv->writemostly = writemostly; |
71574efb | 298 | dv->failfast = failfast; |
da6b5ca9 | 299 | dv->used = 0; |
0320ea45 NB |
300 | dv->next = NULL; |
301 | *devlistend = dv; | |
302 | devlistend = &dv->next; | |
aba69144 | 303 | |
0320ea45 NB |
304 | devs_found++; |
305 | continue; | |
306 | } | |
307 | /* No mode yet, and this is the second device ... */ | |
e7b84f9d | 308 | pr_err("An option must be given to set the mode before a second device\n" |
a1331cc4 | 309 | " (%s) is listed\n", optarg); |
0320ea45 NB |
310 | exit(2); |
311 | } | |
e0d19036 | 312 | if (option_index >= 0) |
e7b84f9d | 313 | pr_err("--%s", long_options[option_index].name); |
e0d19036 | 314 | else |
e7b84f9d | 315 | pr_err("-%c", opt); |
0320ea45 | 316 | fprintf(stderr, " does not set the mode, and so cannot be the first option.\n"); |
e0d19036 NB |
317 | exit(2); |
318 | } | |
319 | ||
320 | /* if we just set the mode, then done */ | |
321 | switch(opt) { | |
1c7a808c N |
322 | case ManageOpt: |
323 | case MiscOpt: | |
e0d19036 NB |
324 | case 'A': |
325 | case 'B': | |
326 | case 'C': | |
327 | case 'F': | |
dd0781e5 | 328 | case 'G': |
8382f19b | 329 | case 'I': |
1f48664b | 330 | case AutoDetect: |
e0d19036 NB |
331 | continue; |
332 | } | |
333 | if (opt == 1) { | |
9eafa1de | 334 | /* an undecorated option - must be a device name. |
e0d19036 | 335 | */ |
9eafa1de MN |
336 | |
337 | if (devs_found > 0 && devmode == DetailPlatform) { | |
338 | pr_err("controller may only be specified once. %s ignored\n", | |
339 | optarg); | |
340 | continue; | |
341 | } | |
342 | ||
1c7a808c | 343 | if (devs_found > 0 && mode == MANAGE && !devmode) { |
7a862a02 | 344 | pr_err("Must give one of -a/-r/-f for subsequent devices at %s\n", optarg); |
52826846 NB |
345 | exit(2); |
346 | } | |
1c7a808c | 347 | if (devs_found > 0 && mode == GROW && !devmode) { |
7a862a02 | 348 | pr_err("Must give -a/--add for devices to add: %s\n", optarg); |
e5329c37 NB |
349 | exit(2); |
350 | } | |
503975b9 | 351 | dv = xmalloc(sizeof(*dv)); |
cd29a5c8 NB |
352 | dv->devname = optarg; |
353 | dv->disposition = devmode; | |
dfd4d8ee | 354 | dv->writemostly = writemostly; |
71574efb | 355 | dv->failfast = failfast; |
9008ed1c | 356 | dv->used = 0; |
cd29a5c8 NB |
357 | dv->next = NULL; |
358 | *devlistend = dv; | |
359 | devlistend = &dv->next; | |
aba69144 | 360 | |
52826846 NB |
361 | devs_found++; |
362 | continue; | |
682c7051 | 363 | } |
682c7051 | 364 | |
52826846 NB |
365 | /* We've got a mode, and opt is now something else which |
366 | * could depend on the mode */ | |
1c7a808c | 367 | #define O(a,b) ((a<<16)|b) |
52826846 | 368 | switch (O(mode,opt)) { |
7236ee7a | 369 | case O(GROW,'c'): |
1c7a808c | 370 | case O(GROW,ChunkSize): |
e0d19036 | 371 | case O(CREATE,'c'): |
1c7a808c | 372 | case O(CREATE,ChunkSize): |
e0d19036 | 373 | case O(BUILD,'c'): /* chunk or rounding */ |
1c7a808c | 374 | case O(BUILD,ChunkSize): /* chunk or rounding */ |
e705e81b | 375 | if (s.chunk) { |
7a862a02 | 376 | pr_err("chunk/rounding may only be specified once. Second value is %s.\n", optarg); |
52826846 NB |
377 | exit(2); |
378 | } | |
e705e81b | 379 | s.chunk = parse_size(optarg); |
822e393a N |
380 | if (s.chunk == INVALID_SECTORS || |
381 | s.chunk < 8 || (s.chunk&1)) { | |
e7b84f9d | 382 | pr_err("invalid chunk/rounding value: %s\n", |
52826846 NB |
383 | optarg); |
384 | exit(2); | |
385 | } | |
a252c078 | 386 | /* Convert sectors to K */ |
e705e81b | 387 | s.chunk /= 2; |
52826846 | 388 | continue; |
64c4757e | 389 | |
8382f19b | 390 | case O(INCREMENTAL, 'e'): |
f9ce90ba NB |
391 | case O(CREATE,'e'): |
392 | case O(ASSEMBLE,'e'): | |
393 | case O(MISC,'e'): /* set metadata (superblock) information */ | |
394 | if (ss) { | |
e7b84f9d | 395 | pr_err("metadata information already given\n"); |
f9ce90ba NB |
396 | exit(2); |
397 | } | |
8ea98217 | 398 | for(i = 0; !ss && superlist[i]; i++) |
82d9eba6 NB |
399 | ss = superlist[i]->match_metadata_desc(optarg); |
400 | ||
f9ce90ba | 401 | if (!ss) { |
e7b84f9d | 402 | pr_err("unrecognised metadata identifier: %s\n", optarg); |
f9ce90ba NB |
403 | exit(2); |
404 | } | |
405 | continue; | |
406 | ||
dfd4d8ee | 407 | case O(MANAGE,'W'): |
1c7a808c | 408 | case O(MANAGE,WriteMostly): |
dfd4d8ee | 409 | case O(BUILD,'W'): |
1c7a808c | 410 | case O(BUILD,WriteMostly): |
dfd4d8ee | 411 | case O(CREATE,'W'): |
1c7a808c | 412 | case O(CREATE,WriteMostly): |
dfd4d8ee | 413 | /* set write-mostly for following devices */ |
e22fe3ae | 414 | writemostly = FlagSet; |
dfd4d8ee NB |
415 | continue; |
416 | ||
b3d31955 N |
417 | case O(MANAGE,'w'): |
418 | /* clear write-mostly for following devices */ | |
e22fe3ae | 419 | writemostly = FlagClear; |
b3d31955 N |
420 | continue; |
421 | ||
71574efb N |
422 | case O(MANAGE,FailFast): |
423 | case O(CREATE,FailFast): | |
e22fe3ae | 424 | failfast = FlagSet; |
71574efb N |
425 | continue; |
426 | case O(MANAGE,NoFailFast): | |
e22fe3ae | 427 | failfast = FlagClear; |
71574efb N |
428 | continue; |
429 | ||
dd0781e5 | 430 | case O(GROW,'z'): |
25affb56 PC |
431 | case O(CREATE,'z'): |
432 | case O(BUILD,'z'): /* size */ | |
e705e81b | 433 | if (s.size > 0) { |
7a862a02 | 434 | pr_err("size may only be specified once. Second value is %s.\n", optarg); |
52826846 NB |
435 | exit(2); |
436 | } | |
9d1fbf65 | 437 | if (strcmp(optarg, "max") == 0) |
e705e81b | 438 | s.size = MAX_SIZE; |
dd0781e5 | 439 | else { |
e705e81b | 440 | s.size = parse_size(optarg); |
9d1fbf65 JS |
441 | if (s.size == INVALID_SECTORS || s.size < 8) { |
442 | pr_err("invalid size: %s\n", optarg); | |
dd0781e5 NB |
443 | exit(2); |
444 | } | |
5f4fc0e1 | 445 | /* convert sectors to K */ |
e705e81b | 446 | s.size /= 2; |
52826846 NB |
447 | } |
448 | continue; | |
64c4757e | 449 | |
84e11361 | 450 | case O(GROW,'Z'): /* array size */ |
a93f8c65 | 451 | if (array_size > 0) { |
7a862a02 | 452 | pr_err("array-size may only be specified once. Second value is %s.\n", optarg); |
84e11361 N |
453 | exit(2); |
454 | } | |
455 | if (strcmp(optarg, "max") == 0) | |
a93f8c65 | 456 | array_size = MAX_SIZE; |
84e11361 N |
457 | else { |
458 | array_size = parse_size(optarg); | |
822e393a N |
459 | if (array_size == 0 || |
460 | array_size == INVALID_SECTORS) { | |
e7b84f9d | 461 | pr_err("invalid array size: %s\n", |
84e11361 N |
462 | optarg); |
463 | exit(2); | |
464 | } | |
465 | } | |
466 | continue; | |
467 | ||
40c9a66a N |
468 | case O(CREATE,DataOffset): |
469 | case O(GROW,DataOffset): | |
ae5dfc56 | 470 | if (s.data_offset != INVALID_SECTORS) { |
7a862a02 | 471 | pr_err("data-offset may only be specified one. Second value is %s.\n", optarg); |
40c9a66a N |
472 | exit(2); |
473 | } | |
9d1fbf65 | 474 | if (mode == CREATE && strcmp(optarg, "variable") == 0) |
ae5dfc56 | 475 | s.data_offset = VARIABLE_OFFSET; |
72ca9bcf | 476 | else |
ae5dfc56 MT |
477 | s.data_offset = parse_size(optarg); |
478 | if (s.data_offset == INVALID_SECTORS) { | |
ed503f89 | 479 | pr_err("invalid data-offset: %s\n", |
40c9a66a N |
480 | optarg); |
481 | exit(2); | |
482 | } | |
483 | continue; | |
484 | ||
7236ee7a | 485 | case O(GROW,'l'): |
e0d19036 NB |
486 | case O(CREATE,'l'): |
487 | case O(BUILD,'l'): /* set raid level*/ | |
e705e81b | 488 | if (s.level != UnSet) { |
7a862a02 | 489 | pr_err("raid level may only be set once. Second value is %s.\n", optarg); |
52826846 NB |
490 | exit(2); |
491 | } | |
e705e81b N |
492 | s.level = map_name(pers, optarg); |
493 | if (s.level == UnSet) { | |
e7b84f9d | 494 | pr_err("invalid raid level: %s\n", |
52826846 NB |
495 | optarg); |
496 | exit(2); | |
497 | } | |
9d1fbf65 JS |
498 | if (s.level != 0 && s.level != LEVEL_LINEAR && |
499 | s.level != 1 && s.level != LEVEL_MULTIPATH && | |
500 | s.level != LEVEL_FAULTY && s.level != 10 && | |
e0fe762a | 501 | mode == BUILD) { |
e7b84f9d | 502 | pr_err("Raid level %s not permitted with --build.\n", |
52826846 NB |
503 | optarg); |
504 | exit(2); | |
505 | } | |
e705e81b | 506 | if (s.sparedisks > 0 && s.level < 1 && s.level >= -1) { |
e7b84f9d | 507 | pr_err("raid level %s is incompatible with spare-devices setting.\n", |
52826846 NB |
508 | optarg); |
509 | exit(2); | |
510 | } | |
e705e81b | 511 | ident.level = s.level; |
52826846 | 512 | continue; |
64c4757e | 513 | |
19678e53 | 514 | case O(GROW, 'p'): /* new layout */ |
1c7a808c | 515 | case O(GROW, Layout): |
e705e81b | 516 | if (s.layout_str) { |
7a862a02 | 517 | pr_err("layout may only be sent once. Second value was %s\n", optarg); |
19678e53 N |
518 | exit(2); |
519 | } | |
e705e81b | 520 | s.layout_str = optarg; |
19678e53 N |
521 | /* 'Grow' will parse the value */ |
522 | continue; | |
523 | ||
e0d19036 | 524 | case O(CREATE,'p'): /* raid5 layout */ |
1c7a808c | 525 | case O(CREATE,Layout): |
b5e64645 | 526 | case O(BUILD,'p'): /* faulty layout */ |
1c7a808c | 527 | case O(BUILD,Layout): |
e705e81b | 528 | if (s.layout != UnSet) { |
7a862a02 | 529 | pr_err("layout may only be sent once. Second value was %s\n", optarg); |
52826846 NB |
530 | exit(2); |
531 | } | |
e705e81b | 532 | switch(s.level) { |
52826846 | 533 | default: |
e7b84f9d | 534 | pr_err("layout not meaningful for %s arrays.\n", |
5f21d674 | 535 | map_num_s(pers, s.level)); |
52826846 | 536 | exit(2); |
98c6faba | 537 | case UnSet: |
e7b84f9d | 538 | pr_err("raid level must be given before layout.\n"); |
52826846 NB |
539 | exit(2); |
540 | ||
329dfc28 N |
541 | case 0: |
542 | s.layout = map_name(r0layout, optarg); | |
543 | if (s.layout == UnSet) { | |
544 | pr_err("layout %s not understood for raid0.\n", | |
545 | optarg); | |
546 | exit(2); | |
547 | } | |
548 | break; | |
52826846 | 549 | case 5: |
e705e81b | 550 | s.layout = map_name(r5layout, optarg); |
8ea98217 | 551 | if (s.layout == UnSet) { |
e7b84f9d | 552 | pr_err("layout %s not understood for raid5.\n", |
52826846 NB |
553 | optarg); |
554 | exit(2); | |
555 | } | |
556 | break; | |
b640a252 | 557 | case 6: |
e705e81b | 558 | s.layout = map_name(r6layout, optarg); |
8ea98217 | 559 | if (s.layout == UnSet) { |
e7b84f9d | 560 | pr_err("layout %s not understood for raid6.\n", |
b640a252 N |
561 | optarg); |
562 | exit(2); | |
563 | } | |
564 | break; | |
e5329c37 NB |
565 | |
566 | case 10: | |
e705e81b N |
567 | s.layout = parse_layout_10(optarg); |
568 | if (s.layout < 0) { | |
e7b84f9d | 569 | pr_err("layout for raid10 must be 'nNN', 'oNN' or 'fNN' where NN is a number, not %s\n", optarg); |
e5329c37 NB |
570 | exit(2); |
571 | } | |
e5329c37 | 572 | break; |
19678e53 N |
573 | case LEVEL_FAULTY: |
574 | /* Faulty | |
575 | * modeNNN | |
576 | */ | |
e705e81b N |
577 | s.layout = parse_layout_faulty(optarg); |
578 | if (s.layout == -1) { | |
e7b84f9d | 579 | pr_err("layout %s not understood for faulty.\n", |
b5e64645 NB |
580 | optarg); |
581 | exit(2); | |
582 | } | |
4a06e2c2 | 583 | break; |
52826846 NB |
584 | } |
585 | continue; | |
586 | ||
997aed5d NB |
587 | case O(CREATE,AssumeClean): |
588 | case O(BUILD,AssumeClean): /* assume clean */ | |
ce52f92f | 589 | case O(GROW,AssumeClean): |
e705e81b | 590 | s.assume_clean = 1; |
dd0781e5 NB |
591 | continue; |
592 | ||
577fd104 LG |
593 | case O(CREATE, WriteZeroes): |
594 | s.write_zeroes = 1; | |
595 | continue; | |
596 | ||
dd0781e5 | 597 | case O(GROW,'n'): |
e0d19036 NB |
598 | case O(CREATE,'n'): |
599 | case O(BUILD,'n'): /* number of raid disks */ | |
e705e81b | 600 | if (s.raiddisks) { |
e7b84f9d | 601 | pr_err("raid-devices set twice: %d and %s\n", |
e705e81b | 602 | s.raiddisks, optarg); |
52826846 NB |
603 | exit(2); |
604 | } | |
60815698 | 605 | if (parse_num(&s.raiddisks, optarg) != 0 || s.raiddisks <= 0) { |
e7b84f9d | 606 | pr_err("invalid number of raid devices: %s\n", |
52826846 NB |
607 | optarg); |
608 | exit(2); | |
609 | } | |
e705e81b | 610 | ident.raid_disks = s.raiddisks; |
52826846 | 611 | continue; |
7e6e839a | 612 | case O(ASSEMBLE, Nodes): |
6447a127 | 613 | case O(GROW, Nodes): |
529e2aa5 | 614 | case O(CREATE, Nodes): |
60815698 | 615 | if (parse_num(&c.nodes, optarg) != 0 || c.nodes < 2) { |
9d67f649 | 616 | pr_err("clustered array needs two nodes at least: %s\n", |
529e2aa5 GJ |
617 | optarg); |
618 | exit(2); | |
619 | } | |
620 | continue; | |
7716570e | 621 | case O(CREATE, ClusterName): |
0aa2f15b | 622 | case O(ASSEMBLE, ClusterName): |
7716570e GJ |
623 | c.homecluster = optarg; |
624 | if (strlen(c.homecluster) > 64) { | |
625 | pr_err("Cluster name too big.\n"); | |
dcd24efc | 626 | exit(2); |
7716570e GJ |
627 | } |
628 | continue; | |
18361a1a | 629 | case O(CREATE,'x'): /* number of spare (eXtra) disks */ |
e705e81b | 630 | if (s.sparedisks) { |
e7b84f9d | 631 | pr_err("spare-devices set twice: %d and %s\n", |
e705e81b | 632 | s.sparedisks, optarg); |
52826846 NB |
633 | exit(2); |
634 | } | |
e705e81b | 635 | if (s.level != UnSet && s.level <= 0 && s.level >= -1) { |
e7b84f9d | 636 | pr_err("spare-devices setting is incompatible with raid level %d\n", |
e705e81b | 637 | s.level); |
52826846 NB |
638 | exit(2); |
639 | } | |
60815698 | 640 | if (parse_num(&s.sparedisks, optarg) != 0 || s.sparedisks < 0) { |
e7b84f9d | 641 | pr_err("invalid number of spare-devices: %s\n", |
52826846 NB |
642 | optarg); |
643 | exit(2); | |
644 | } | |
645 | continue; | |
dd0781e5 NB |
646 | |
647 | case O(CREATE,'a'): | |
1c7a808c | 648 | case O(CREATE,Auto): |
dd0781e5 | 649 | case O(BUILD,'a'): |
1c7a808c | 650 | case O(BUILD,Auto): |
95b79df0 | 651 | case O(INCREMENTAL,'a'): |
1c7a808c N |
652 | case O(INCREMENTAL,Auto): |
653 | case O(ASSEMBLE,'a'): | |
654 | case O(ASSEMBLE,Auto): /* auto-creation of device node */ | |
9e33d556 | 655 | c.autof = parse_auto(optarg, "--auto flag", 0); |
dd0781e5 | 656 | continue; |
aa88f531 | 657 | case O(BUILD,'f'): /* force honouring '-n 1' */ |
1c7a808c | 658 | case O(BUILD,Force): /* force honouring '-n 1' */ |
bd72c2b2 | 659 | case O(GROW,'f'): /* ditto */ |
1c7a808c | 660 | case O(GROW,Force): /* ditto */ |
e0d19036 | 661 | case O(CREATE,'f'): /* force honouring of device list */ |
1c7a808c | 662 | case O(CREATE,Force): /* force honouring of device list */ |
e0d19036 | 663 | case O(ASSEMBLE,'f'): /* force assembly */ |
1c7a808c | 664 | case O(ASSEMBLE,Force): /* force assembly */ |
e0d19036 | 665 | case O(MISC,'f'): /* force zero */ |
1c7a808c | 666 | case O(MISC,Force): /* force zero */ |
11b391ec | 667 | case O(MANAGE,Force): /* add device which is too large */ |
8ea98217 | 668 | c.force = 1; |
52826846 | 669 | continue; |
52826846 | 670 | /* now for the Assemble options */ |
b76b30e0 AK |
671 | case O(ASSEMBLE, FreezeReshape): /* Freeze reshape during |
672 | * initrd phase */ | |
673 | case O(INCREMENTAL, FreezeReshape): | |
9e33d556 | 674 | c.freeze_reshape = 1; |
b76b30e0 | 675 | continue; |
3d3dd91e | 676 | case O(CREATE,'u'): /* uuid of array */ |
e0d19036 | 677 | case O(ASSEMBLE,'u'): /* uuid of array */ |
52826846 | 678 | if (ident.uuid_set) { |
7a862a02 | 679 | pr_err("uuid cannot be set twice. Second value %s.\n", optarg); |
52826846 NB |
680 | exit(2); |
681 | } | |
682 | if (parse_uuid(optarg, ident.uuid)) | |
683 | ident.uuid_set = 1; | |
684 | else { | |
e7b84f9d | 685 | pr_err("Bad uuid: %s\n", optarg); |
52826846 NB |
686 | exit(2); |
687 | } | |
688 | continue; | |
689 | ||
947fd4dd NB |
690 | case O(CREATE,'N'): |
691 | case O(ASSEMBLE,'N'): | |
aa534678 | 692 | case O(MISC,'N'): |
9e33d556 | 693 | if (mode == MISC && !c.subarray) { |
e7b84f9d | 694 | pr_err("-N/--name only valid with --update-subarray in misc mode\n"); |
aa534678 DW |
695 | exit(2); |
696 | } | |
67417d92 MT |
697 | |
698 | if (ident_set_name(&ident, optarg) != MDADM_STATUS_SUCCESS) | |
947fd4dd | 699 | exit(2); |
67417d92 | 700 | |
947fd4dd NB |
701 | continue; |
702 | ||
e0d19036 | 703 | case O(ASSEMBLE,'m'): /* super-minor for array */ |
1c7a808c | 704 | case O(ASSEMBLE,SuperMinor): |
98c6faba | 705 | if (ident.super_minor != UnSet) { |
7a862a02 | 706 | pr_err("super-minor cannot be set twice. Second value: %s.\n", optarg); |
cd29a5c8 NB |
707 | exit(2); |
708 | } | |
9d1fbf65 | 709 | if (strcmp(optarg, "dev") == 0) |
d013a55e | 710 | ident.super_minor = -2; |
60815698 MG |
711 | else if (parse_num(&ident.super_minor, optarg) != 0 || ident.super_minor < 0) { |
712 | pr_err("Bad super-minor number: %s.\n", optarg); | |
713 | exit(2); | |
cd29a5c8 NB |
714 | } |
715 | continue; | |
716 | ||
0ea8f5b1 N |
717 | case O(ASSEMBLE,'o'): |
718 | case O(MANAGE,'o'): | |
719 | case O(CREATE,'o'): | |
9e33d556 | 720 | c.readonly = 1; |
0ea8f5b1 N |
721 | continue; |
722 | ||
5787fa49 | 723 | case O(ASSEMBLE,'U'): /* update the superblock */ |
2568ce89 | 724 | case O(MISC,'U'): { |
2568ce89 MK |
725 | enum update_opt print_mode = UOPT_HELP; |
726 | const char *error_addon = "update option"; | |
727 | ||
9e33d556 | 728 | if (c.update) { |
7a862a02 | 729 | pr_err("Can only update one aspect of superblock, both %s and %s given.\n", |
3a87fa67 | 730 | map_num(update_options, c.update), optarg); |
5787fa49 NB |
731 | exit(2); |
732 | } | |
9e33d556 | 733 | if (mode == MISC && !c.subarray) { |
7a862a02 | 734 | pr_err("Only subarrays can be updated in misc mode\n"); |
aa534678 DW |
735 | exit(2); |
736 | } | |
2568ce89 | 737 | |
3a87fa67 | 738 | c.update = map_name(update_options, optarg); |
2568ce89 MK |
739 | |
740 | if (devmode == UpdateSubarray) { | |
741 | print_mode = UOPT_SUBARRAY_ONLY; | |
742 | error_addon = "update-subarray option"; | |
743 | ||
3a87fa67 MK |
744 | if (c.update > UOPT_SUBARRAY_ONLY && c.update < UOPT_HELP) |
745 | c.update = UOPT_UNDEFINED; | |
2568ce89 MK |
746 | } |
747 | ||
3a87fa67 | 748 | switch (c.update) { |
2568ce89 MK |
749 | case UOPT_UNDEFINED: |
750 | pr_err("'--update=%s' is invalid %s. ", | |
3a87fa67 | 751 | optarg, error_addon); |
2568ce89 MK |
752 | outf = stderr; |
753 | case UOPT_HELP: | |
754 | if (!outf) | |
755 | outf = stdout; | |
756 | fprint_update_options(outf, print_mode); | |
757 | exit(outf == stdout ? 0 : 2); | |
758 | case UOPT_BYTEORDER: | |
586ed405 | 759 | if (ss) { |
7a862a02 | 760 | pr_err("must not set metadata type with --update=byteorder.\n"); |
586ed405 NB |
761 | exit(2); |
762 | } | |
2568ce89 MK |
763 | default: |
764 | break; | |
586ed405 | 765 | } |
2568ce89 MK |
766 | continue; |
767 | } | |
833bb0f8 N |
768 | case O(MANAGE,'U'): |
769 | /* update=devicesize is allowed with --re-add */ | |
c8e1a230 | 770 | if (devmode != 'A') { |
7a862a02 | 771 | pr_err("--update in Manage mode only allowed with --re-add.\n"); |
833bb0f8 N |
772 | exit(1); |
773 | } | |
9e33d556 | 774 | if (c.update) { |
7a862a02 | 775 | pr_err("Can only update one aspect of superblock, both %s and %s given.\n", |
3a87fa67 | 776 | map_num(update_options, c.update), optarg); |
833bb0f8 N |
777 | exit(2); |
778 | } | |
3a87fa67 MK |
779 | c.update = map_name(update_options, optarg); |
780 | if (c.update != UOPT_DEVICESIZE && | |
781 | c.update != UOPT_BBL && | |
782 | c.update != UOPT_NO_BBL && | |
783 | c.update != UOPT_FORCE_NO_BBL) { | |
6dd16dac | 784 | pr_err("only 'devicesize', 'bbl', 'no-bbl', and 'force-no-bbl' can be updated with --re-add\n"); |
833bb0f8 N |
785 | exit(2); |
786 | } | |
787 | continue; | |
788 | ||
172356c9 | 789 | case O(INCREMENTAL,NoDegraded): |
e7b84f9d | 790 | pr_err("--no-degraded is deprecated in Incremental mode\n"); |
997aed5d | 791 | case O(ASSEMBLE,NoDegraded): /* --no-degraded */ |
9e33d556 N |
792 | c.runstop = -1; /* --stop isn't allowed for --assemble, |
793 | * so we overload slightly */ | |
b8a8ccf9 NB |
794 | continue; |
795 | ||
1c7a808c N |
796 | case O(ASSEMBLE,'c'): |
797 | case O(ASSEMBLE,ConfigFile): | |
7b187ed7 | 798 | case O(INCREMENTAL, 'c'): |
1c7a808c | 799 | case O(INCREMENTAL, ConfigFile): |
2d465520 | 800 | case O(MISC, 'c'): |
1c7a808c | 801 | case O(MISC, ConfigFile): |
e0d19036 | 802 | case O(MONITOR,'c'): |
1c7a808c | 803 | case O(MONITOR,ConfigFile): |
9ccfd3be | 804 | case O(CREATE,ConfigFile): |
52826846 | 805 | if (configfile) { |
7a862a02 | 806 | pr_err("configfile cannot be set twice. Second value is %s.\n", optarg); |
52826846 NB |
807 | exit(2); |
808 | } | |
809 | configfile = optarg; | |
8aec876d | 810 | set_conffile(configfile); |
52826846 NB |
811 | /* FIXME possibly check that config file exists. Even parse it */ |
812 | continue; | |
e0d19036 NB |
813 | case O(ASSEMBLE,'s'): /* scan */ |
814 | case O(MISC,'s'): | |
815 | case O(MONITOR,'s'): | |
8382f19b | 816 | case O(INCREMENTAL,'s'): |
9e33d556 | 817 | c.scan = 1; |
52826846 NB |
818 | continue; |
819 | ||
e0d19036 | 820 | case O(MONITOR,'m'): /* mail address */ |
1c7a808c | 821 | case O(MONITOR,EMail): |
52826846 | 822 | if (mailaddr) |
e7b84f9d | 823 | pr_err("only specify one mailaddress. %s ignored.\n", |
52826846 NB |
824 | optarg); |
825 | else | |
826 | mailaddr = optarg; | |
827 | continue; | |
828 | ||
e0d19036 | 829 | case O(MONITOR,'p'): /* alert program */ |
1c7a808c | 830 | case O(MONITOR,ProgramOpt): /* alert program */ |
52826846 | 831 | if (program) |
e7b84f9d | 832 | pr_err("only specify one alter program. %s ignored.\n", |
52826846 NB |
833 | optarg); |
834 | else | |
835 | program = optarg; | |
836 | continue; | |
64c4757e | 837 | |
9a36a9b7 | 838 | case O(MONITOR,'r'): /* rebuild increments */ |
1c7a808c | 839 | case O(MONITOR,Increment): |
60815698 MG |
840 | if (parse_num(&increments, optarg) != 0 |
841 | || increments > 99 || increments < 1) { | |
e7b84f9d | 842 | pr_err("please specify positive integer between 1 and 99 as rebuild increments.\n"); |
9a36a9b7 ZB |
843 | exit(2); |
844 | } | |
845 | continue; | |
846 | ||
e0d19036 | 847 | case O(MONITOR,'d'): /* delay in seconds */ |
f5e166fe | 848 | case O(GROW, 'd'): |
c82f047c NB |
849 | case O(BUILD,'d'): /* delay for bitmap updates */ |
850 | case O(CREATE,'d'): | |
9e33d556 | 851 | if (c.delay) |
60815698 MG |
852 | pr_err("only specify delay once. %s ignored.\n", optarg); |
853 | else if (parse_num(&c.delay, optarg) != 0 || c.delay < 1) { | |
854 | pr_err("invalid delay: %s\n", optarg); | |
855 | exit(2); | |
52826846 NB |
856 | } |
857 | continue; | |
d013a55e | 858 | case O(MONITOR,'f'): /* daemonise */ |
1c7a808c | 859 | case O(MONITOR,Fork): |
d013a55e NB |
860 | daemonise = 1; |
861 | continue; | |
b5e64645 NB |
862 | case O(MONITOR,'i'): /* pid */ |
863 | if (pidfile) | |
e7b84f9d | 864 | pr_err("only specify one pid file. %s ignored.\n", |
b5e64645 NB |
865 | optarg); |
866 | else | |
867 | pidfile = optarg; | |
868 | continue; | |
aa88f531 NB |
869 | case O(MONITOR,'1'): /* oneshot */ |
870 | oneshot = 1; | |
3f555346 | 871 | spare_sharing = 0; |
aa88f531 | 872 | continue; |
98c6faba | 873 | case O(MONITOR,'t'): /* test */ |
9e33d556 | 874 | c.test = 1; |
98c6faba | 875 | continue; |
773135f5 | 876 | case O(MONITOR,'y'): /* log messages to syslog */ |
6ac8aac2 | 877 | openlog("mdadm", LOG_PID, SYSLOG_FACILITY); |
773135f5 NB |
878 | dosyslog = 1; |
879 | continue; | |
edde9560 AC |
880 | case O(MONITOR, NoSharing): |
881 | spare_sharing = 0; | |
882 | continue; | |
18361a1a | 883 | |
52826846 NB |
884 | /* now the general management options. Some are applicable |
885 | * to other modes. None have arguments. | |
886 | */ | |
e5329c37 | 887 | case O(GROW,'a'): |
1c7a808c N |
888 | case O(GROW,Add): |
889 | case O(MANAGE,'a'): | |
890 | case O(MANAGE,Add): /* add a drive */ | |
52826846 | 891 | devmode = 'a'; |
fe80f49b | 892 | continue; |
f33a71f1 N |
893 | case O(MANAGE,AddSpare): /* add drive - never re-add */ |
894 | devmode = 'S'; | |
895 | continue; | |
01290056 SL |
896 | case O(MANAGE,AddJournal): /* add journal */ |
897 | if (s.journaldisks && (s.level < 4 || s.level > 6)) { | |
898 | pr_err("--add-journal is only supported for RAID level 4/5/6.\n"); | |
899 | exit(2); | |
900 | } | |
901 | devmode = 'j'; | |
902 | continue; | |
997aed5d | 903 | case O(MANAGE,ReAdd): |
c8e1a230 | 904 | devmode = 'A'; |
52826846 | 905 | continue; |
e0d19036 | 906 | case O(MANAGE,'r'): /* remove a drive */ |
1c7a808c | 907 | case O(MANAGE,Remove): |
52826846 NB |
908 | devmode = 'r'; |
909 | continue; | |
e0d19036 | 910 | case O(MANAGE,'f'): /* set faulty */ |
1c7a808c N |
911 | case O(MANAGE,Fail): |
912 | case O(INCREMENTAL,'f'): | |
913 | case O(INCREMENTAL,Remove): | |
914 | case O(INCREMENTAL,Fail): /* r for incremental is taken, use f | |
7d27d1c0 N |
915 | * even though we will both fail and |
916 | * remove the device */ | |
52826846 NB |
917 | devmode = 'f'; |
918 | continue; | |
4de90913 GJ |
919 | case O(MANAGE, ClusterConfirm): |
920 | devmode = 'c'; | |
921 | continue; | |
70c55e36 N |
922 | case O(MANAGE,Replace): |
923 | /* Mark these devices for replacement */ | |
924 | devmode = 'R'; | |
925 | continue; | |
926 | case O(MANAGE,With): | |
927 | /* These are the replacements to use */ | |
928 | if (devmode != 'R') { | |
929 | pr_err("--with must follow --replace\n"); | |
930 | exit(2); | |
931 | } | |
932 | devmode = 'W'; | |
933 | continue; | |
8382f19b | 934 | case O(INCREMENTAL,'R'): |
e0d19036 NB |
935 | case O(MANAGE,'R'): |
936 | case O(ASSEMBLE,'R'): | |
937 | case O(BUILD,'R'): | |
938 | case O(CREATE,'R'): /* Run the array */ | |
9e33d556 | 939 | if (c.runstop < 0) { |
e7b84f9d | 940 | pr_err("Cannot both Stop and Run an array\n"); |
52826846 NB |
941 | exit(2); |
942 | } | |
9e33d556 | 943 | c.runstop = 1; |
52826846 | 944 | continue; |
e0d19036 | 945 | case O(MANAGE,'S'): |
9e33d556 | 946 | if (c.runstop > 0) { |
e7b84f9d | 947 | pr_err("Cannot both Run and Stop an array\n"); |
52826846 NB |
948 | exit(2); |
949 | } | |
9e33d556 | 950 | c.runstop = -1; |
52826846 | 951 | continue; |
7d2e6486 | 952 | case O(MANAGE,'t'): |
9e33d556 | 953 | c.test = 1; |
7d2e6486 | 954 | continue; |
52826846 | 955 | |
e0d19036 NB |
956 | case O(MISC,'Q'): |
957 | case O(MISC,'D'): | |
958 | case O(MISC,'E'): | |
f7d3febc | 959 | case O(MISC,KillOpt): |
e0d19036 NB |
960 | case O(MISC,'R'): |
961 | case O(MISC,'S'): | |
c82f047c | 962 | case O(MISC,'X'): |
6d388a88 | 963 | case O(MISC, ExamineBB): |
e0d19036 NB |
964 | case O(MISC,'o'): |
965 | case O(MISC,'w'): | |
b90c0e9a | 966 | case O(MISC,'W'): |
1c7a808c | 967 | case O(MISC, WaitOpt): |
1770662b | 968 | case O(MISC, Waitclean): |
4cce4069 | 969 | case O(MISC, DetailPlatform): |
33414a01 | 970 | case O(MISC, KillSubarray): |
aa534678 | 971 | case O(MISC, UpdateSubarray): |
74db60b0 N |
972 | case O(MISC, Dump): |
973 | case O(MISC, Restore): | |
a740cf64 | 974 | case O(MISC ,Action): |
5a53aeec | 975 | if (opt == KillSubarray || opt == UpdateSubarray) { |
9e33d556 | 976 | if (c.subarray) { |
7a862a02 | 977 | pr_err("subarray can only be specified once\n"); |
5a53aeec JS |
978 | exit(2); |
979 | } | |
9e33d556 | 980 | c.subarray = optarg; |
5a53aeec | 981 | } |
a740cf64 N |
982 | if (opt == Action) { |
983 | if (c.action) { | |
984 | pr_err("Only one --action can be specified\n"); | |
985 | exit(2); | |
986 | } | |
987 | if (strcmp(optarg, "idle") == 0 || | |
988 | strcmp(optarg, "frozen") == 0 || | |
989 | strcmp(optarg, "check") == 0 || | |
990 | strcmp(optarg, "repair") == 0) | |
991 | c.action = optarg; | |
992 | else { | |
993 | pr_err("action must be one of idle, frozen, check, repair\n"); | |
994 | exit(2); | |
995 | } | |
996 | } | |
e0d19036 | 997 | if (devmode && devmode != opt && |
9d1fbf65 JS |
998 | (devmode == 'E' || |
999 | (opt == 'E' && devmode != 'Q'))) { | |
e7b84f9d | 1000 | pr_err("--examine/-E cannot be given with "); |
aa534678 DW |
1001 | if (devmode == 'E') { |
1002 | if (option_index >= 0) | |
1003 | fprintf(stderr, "--%s\n", | |
1004 | long_options[option_index].name); | |
1005 | else | |
1006 | fprintf(stderr, "-%c\n", opt); | |
1007 | } else if (isalpha(devmode)) | |
1008 | fprintf(stderr, "-%c\n", devmode); | |
1009 | else | |
1010 | fprintf(stderr, "previous option\n"); | |
e0d19036 NB |
1011 | exit(2); |
1012 | } | |
1013 | devmode = opt; | |
74db60b0 N |
1014 | if (opt == Dump || opt == Restore) { |
1015 | if (dump_directory != NULL) { | |
1016 | pr_err("dump/restore directory specified twice: %s and %s\n", | |
1017 | dump_directory, optarg); | |
1018 | exit(2); | |
1019 | } | |
1020 | dump_directory = optarg; | |
1021 | } | |
e0d19036 | 1022 | continue; |
7d27d1c0 N |
1023 | case O(MISC, UdevRules): |
1024 | if (devmode && devmode != opt) { | |
7a862a02 | 1025 | pr_err("--udev-rules must be the only option.\n"); |
7d27d1c0 N |
1026 | } else { |
1027 | if (udev_filename) | |
7a862a02 | 1028 | pr_err("only specify one udev rule filename. %s ignored.\n", |
7d27d1c0 N |
1029 | optarg); |
1030 | else | |
1031 | udev_filename = optarg; | |
1032 | } | |
1033 | devmode = opt; | |
1034 | continue; | |
feb716e9 | 1035 | case O(MISC,'t'): |
9e33d556 | 1036 | c.test = 1; |
feb716e9 | 1037 | continue; |
e0d19036 | 1038 | |
997aed5d | 1039 | case O(MISC, Sparc22): |
bd526cee | 1040 | if (devmode != 'E') { |
e7b84f9d | 1041 | pr_err("--sparc2.2 only allowed with --examine\n"); |
bd526cee NB |
1042 | exit(2); |
1043 | } | |
9e33d556 | 1044 | c.SparcAdjust = 1; |
bd526cee | 1045 | continue; |
c82f047c NB |
1046 | |
1047 | case O(ASSEMBLE,'b'): /* here we simply set the bitmap file */ | |
1c7a808c | 1048 | case O(ASSEMBLE,Bitmap): |
c82f047c | 1049 | if (!optarg) { |
e7b84f9d | 1050 | pr_err("bitmap file needed with -b in --assemble mode\n"); |
c82f047c NB |
1051 | exit(2); |
1052 | } | |
72b616af ZL |
1053 | if (strcmp(optarg, "internal") == 0 || |
1054 | strcmp(optarg, "clustered") == 0) { | |
1055 | pr_err("no need to specify --bitmap when assembling" | |
1056 | " arrays with internal or clustered bitmap\n"); | |
55935d51 NB |
1057 | continue; |
1058 | } | |
c82f047c NB |
1059 | bitmap_fd = open(optarg, O_RDWR); |
1060 | if (!*optarg || bitmap_fd < 0) { | |
e7b84f9d | 1061 | pr_err("cannot open bitmap file %s: %s\n", optarg, strerror(errno)); |
c82f047c NB |
1062 | exit(2); |
1063 | } | |
1064 | ident.bitmap_fd = bitmap_fd; /* for Assemble */ | |
1065 | continue; | |
f5e166fe | 1066 | |
997aed5d NB |
1067 | case O(ASSEMBLE, BackupFile): |
1068 | case O(GROW, BackupFile): | |
06b0d786 NB |
1069 | /* Specify a file into which grow might place a backup, |
1070 | * or from which assemble might recover a backup | |
1071 | */ | |
9e33d556 | 1072 | if (c.backup_file) { |
e7b84f9d | 1073 | pr_err("backup file already specified, rejecting %s\n", optarg); |
06b0d786 NB |
1074 | exit(2); |
1075 | } | |
9e33d556 | 1076 | c.backup_file = optarg; |
06b0d786 NB |
1077 | continue; |
1078 | ||
2dddadb0 AK |
1079 | case O(GROW, Continue): |
1080 | /* Continue interrupted grow | |
1081 | */ | |
1082 | grow_continue = 1; | |
1083 | continue; | |
87f26d14 N |
1084 | case O(ASSEMBLE, InvalidBackup): |
1085 | /* Acknowledge that the backupfile is invalid, but ask | |
1086 | * to continue anyway | |
1087 | */ | |
9e33d556 | 1088 | c.invalid_backup = 1; |
87f26d14 N |
1089 | continue; |
1090 | ||
c82f047c | 1091 | case O(BUILD,'b'): |
1c7a808c N |
1092 | case O(BUILD,Bitmap): |
1093 | case O(CREATE,'b'): | |
1094 | case O(CREATE,Bitmap): /* here we create the bitmap */ | |
85375d6d | 1095 | case O(GROW,'b'): |
1c7a808c | 1096 | case O(GROW,Bitmap): |
27c48b37 ZL |
1097 | if (s.bitmap_file) { |
1098 | pr_err("bitmap cannot be set twice. Second value: %s.\n", optarg); | |
1099 | exit(2); | |
1100 | } | |
9d1fbf65 JS |
1101 | if (strcmp(optarg, "internal") == 0 || |
1102 | strcmp(optarg, "none") == 0 || | |
1e0d770c | 1103 | strchr(optarg, '/') != NULL) { |
e705e81b | 1104 | s.bitmap_file = optarg; |
1e0d770c NB |
1105 | continue; |
1106 | } | |
9d1fbf65 | 1107 | if (strcmp(optarg, "clustered") == 0) { |
529e2aa5 GJ |
1108 | s.bitmap_file = optarg; |
1109 | /* Set the default number of cluster nodes | |
1110 | * to 4 if not already set by user | |
1111 | */ | |
1112 | if (c.nodes < 1) | |
1113 | c.nodes = 4; | |
1114 | continue; | |
1115 | } | |
1e0d770c | 1116 | /* probable typo */ |
e19a149c | 1117 | pr_err("bitmap file must contain a '/', or be 'internal', or be 'clustered', or 'none'\n" |
a1331cc4 | 1118 | " not '%s'\n", optarg); |
1e0d770c | 1119 | exit(2); |
c82f047c | 1120 | |
997aed5d NB |
1121 | case O(GROW,BitmapChunk): |
1122 | case O(BUILD,BitmapChunk): | |
1123 | case O(CREATE,BitmapChunk): /* bitmap chunksize */ | |
e705e81b | 1124 | s.bitmap_chunk = parse_size(optarg); |
822e393a N |
1125 | if (s.bitmap_chunk == 0 || |
1126 | s.bitmap_chunk == INVALID_SECTORS || | |
e705e81b | 1127 | s.bitmap_chunk & (s.bitmap_chunk - 1)) { |
e7b84f9d N |
1128 | pr_err("invalid bitmap chunksize: %s\n", |
1129 | optarg); | |
c82f047c NB |
1130 | exit(2); |
1131 | } | |
e705e81b | 1132 | s.bitmap_chunk = s.bitmap_chunk * 512; |
c82f047c | 1133 | continue; |
dfd4d8ee | 1134 | |
7d19ad0d | 1135 | case O(GROW, WriteBehind): |
997aed5d | 1136 | case O(BUILD, WriteBehind): |
60815698 | 1137 | case O(CREATE, WriteBehind): |
e705e81b | 1138 | s.write_behind = DEFAULT_MAX_WRITE_BEHIND; |
41edf6f4 LG |
1139 | if (optarg && |
1140 | (parse_num(&s.write_behind, optarg) != 0 || | |
1141 | s.write_behind < 0 || s.write_behind > 16383)) { | |
60815698 MG |
1142 | pr_err("Invalid value for maximum outstanding write-behind writes: %s.\n\tMust be between 0 and 16383.\n", |
1143 | optarg); | |
1144 | exit(2); | |
dfd4d8ee NB |
1145 | } |
1146 | continue; | |
8382f19b | 1147 | case O(INCREMENTAL, 'r'): |
1c7a808c | 1148 | case O(INCREMENTAL, RebuildMapOpt): |
8382f19b NB |
1149 | rebuild_map = 1; |
1150 | continue; | |
950bc344 PC |
1151 | case O(INCREMENTAL, IncrementalPath): |
1152 | remove_path = optarg; | |
1153 | continue; | |
cc1799c3 SL |
1154 | case O(CREATE, WriteJournal): |
1155 | if (s.journaldisks) { | |
1156 | pr_err("Please specify only one journal device for the array.\n"); | |
1157 | pr_err("Ignoring --write-journal %s...\n", optarg); | |
1158 | continue; | |
1159 | } | |
1160 | dv = xmalloc(sizeof(*dv)); | |
1161 | dv->devname = optarg; | |
1162 | dv->disposition = 'j'; /* WriteJournal */ | |
1163 | dv->used = 0; | |
1164 | dv->next = NULL; | |
1165 | *devlistend = dv; | |
1166 | devlistend = &dv->next; | |
1167 | devs_found++; | |
1168 | ||
1169 | s.journaldisks = 1; | |
1170 | continue; | |
5308f117 | 1171 | case O(CREATE, 'k'): |
860f11ed | 1172 | case O(GROW, 'k'): |
5308f117 AP |
1173 | s.consistency_policy = map_name(consistency_policies, |
1174 | optarg); | |
b7580566 | 1175 | if (s.consistency_policy < CONSISTENCY_POLICY_RESYNC) { |
5308f117 AP |
1176 | pr_err("Invalid consistency policy: %s\n", |
1177 | optarg); | |
1178 | exit(2); | |
1179 | } | |
1180 | continue; | |
52826846 NB |
1181 | } |
1182 | /* We have now processed all the valid options. Anything else is | |
1183 | * an error | |
1184 | */ | |
06b0d786 | 1185 | if (option_index > 0) |
e7b84f9d | 1186 | pr_err(":option --%s not valid in %s mode\n", |
06b0d786 | 1187 | long_options[option_index].name, |
5f21d674 | 1188 | map_num_s(modes, mode)); |
06b0d786 | 1189 | else |
e7b84f9d | 1190 | pr_err("option -%c not valid in %s mode\n", |
5f21d674 | 1191 | opt, map_num_s(modes, mode)); |
64c4757e | 1192 | exit(2); |
52826846 NB |
1193 | |
1194 | } | |
1195 | ||
3d4064cc | 1196 | if (print_help) { |
5187a385 | 1197 | char *help_text; |
3d4064cc NB |
1198 | if (print_help == 2) |
1199 | help_text = OptionHelp; | |
1200 | else | |
5187a385 N |
1201 | help_text = mode_help[mode]; |
1202 | if (help_text == NULL) | |
1203 | help_text = Help; | |
0047d254 | 1204 | fputs(help_text,stdout); |
3d4064cc NB |
1205 | exit(0); |
1206 | } | |
1207 | ||
5308f117 AP |
1208 | if (s.journaldisks) { |
1209 | if (s.level < 4 || s.level > 6) { | |
1210 | pr_err("--write-journal is only supported for RAID level 4/5/6.\n"); | |
1211 | exit(2); | |
1212 | } | |
b7580566 | 1213 | if (s.consistency_policy != CONSISTENCY_POLICY_UNKNOWN && |
5308f117 AP |
1214 | s.consistency_policy != CONSISTENCY_POLICY_JOURNAL) { |
1215 | pr_err("--write-journal is not supported with consistency policy: %s\n", | |
5f21d674 | 1216 | map_num_s(consistency_policies, s.consistency_policy)); |
5308f117 AP |
1217 | exit(2); |
1218 | } | |
1219 | } | |
1220 | ||
b7580566 AP |
1221 | if (mode == CREATE && |
1222 | s.consistency_policy != CONSISTENCY_POLICY_UNKNOWN) { | |
5308f117 AP |
1223 | if (s.level <= 0) { |
1224 | pr_err("--consistency-policy not meaningful with level %s.\n", | |
5f21d674 | 1225 | map_num_s(pers, s.level)); |
5308f117 AP |
1226 | exit(2); |
1227 | } else if (s.consistency_policy == CONSISTENCY_POLICY_JOURNAL && | |
1228 | !s.journaldisks) { | |
1229 | pr_err("--write-journal is required for consistency policy: %s\n", | |
5f21d674 | 1230 | map_num_s(consistency_policies, s.consistency_policy)); |
5308f117 AP |
1231 | exit(2); |
1232 | } else if (s.consistency_policy == CONSISTENCY_POLICY_PPL && | |
1233 | s.level != 5) { | |
1234 | pr_err("PPL consistency policy is only supported for RAID level 5.\n"); | |
1235 | exit(2); | |
1236 | } else if (s.consistency_policy == CONSISTENCY_POLICY_BITMAP && | |
1237 | (!s.bitmap_file || | |
1238 | strcmp(s.bitmap_file, "none") == 0)) { | |
1239 | pr_err("--bitmap is required for consistency policy: %s\n", | |
5f21d674 | 1240 | map_num_s(consistency_policies, s.consistency_policy)); |
5308f117 AP |
1241 | exit(2); |
1242 | } else if (s.bitmap_file && | |
1243 | strcmp(s.bitmap_file, "none") != 0 && | |
1244 | s.consistency_policy != CONSISTENCY_POLICY_BITMAP && | |
1245 | s.consistency_policy != CONSISTENCY_POLICY_JOURNAL) { | |
1246 | pr_err("--bitmap is not compatible with consistency policy: %s\n", | |
5f21d674 | 1247 | map_num_s(consistency_policies, s.consistency_policy)); |
5308f117 AP |
1248 | exit(2); |
1249 | } | |
cc1799c3 SL |
1250 | } |
1251 | ||
577fd104 LG |
1252 | if (s.write_zeroes && !s.assume_clean) { |
1253 | pr_info("Disk zeroing requested, setting --assume-clean to skip resync\n"); | |
1254 | s.assume_clean = 1; | |
1255 | } | |
1256 | ||
0320ea45 NB |
1257 | if (!mode && devs_found) { |
1258 | mode = MISC; | |
1259 | devmode = 'Q'; | |
1260 | if (devlist->disposition == 0) | |
1261 | devlist->disposition = devmode; | |
1262 | } | |
52826846 NB |
1263 | if (!mode) { |
1264 | fputs(Usage, stderr); | |
64c4757e | 1265 | exit(2); |
64c4757e | 1266 | } |
38098016 | 1267 | |
52826846 NB |
1268 | /* Ok, got the option parsing out of the way |
1269 | * hopefully it's mostly right but there might be some stuff | |
1270 | * missing | |
1271 | * | |
e93bb91b | 1272 | * That is mostly checked in the per-mode stuff but... |
52826846 | 1273 | * |
18361a1a N |
1274 | * For @,B,C and A without -s, the first device listed must be |
1275 | * an md device. We check that here and open it. | |
64c4757e | 1276 | */ |
52826846 | 1277 | |
9d1fbf65 JS |
1278 | if (mode == MANAGE || mode == BUILD || mode == CREATE || |
1279 | mode == GROW || (mode == ASSEMBLE && ! c.scan)) { | |
27ad4900 LG |
1280 | struct stat stb; |
1281 | int ret; | |
1282 | ||
52826846 | 1283 | if (devs_found < 1) { |
e7b84f9d | 1284 | pr_err("an md device must be given in this mode\n"); |
52826846 NB |
1285 | exit(2); |
1286 | } | |
ae5f13a9 MT |
1287 | if (ident_set_devname(&ident, devlist->devname) != MDADM_STATUS_SUCCESS) |
1288 | exit(1); | |
330c07f8 | 1289 | |
9e33d556 | 1290 | if ((int)ident.super_minor == -2 && c.autof) { |
e7b84f9d | 1291 | pr_err("--super-minor=dev is incompatible with --auto\n"); |
dd0781e5 NB |
1292 | exit(2); |
1293 | } | |
7f91af49 | 1294 | if (mode == MANAGE || mode == GROW) { |
330c07f8 | 1295 | mdfd = open_mddev(ident.devname, 1); |
7f91af49 N |
1296 | if (mdfd < 0) |
1297 | exit(1); | |
27ad4900 LG |
1298 | |
1299 | ret = fstat(mdfd, &stb); | |
1300 | if (ret) { | |
330c07f8 | 1301 | pr_err("fstat failed on %s.\n", ident.devname); |
27ad4900 LG |
1302 | exit(1); |
1303 | } | |
ced5fa8b | 1304 | } else { |
330c07f8 | 1305 | ret = stat(ident.devname, &stb); |
27ad4900 | 1306 | if (ident.super_minor == -2 && ret != 0) { |
7a862a02 | 1307 | pr_err("--super-minor=dev given, and listed device %s doesn't exist.\n", |
330c07f8 | 1308 | ident.devname); |
27ad4900 LG |
1309 | exit(1); |
1310 | } | |
1311 | ||
1312 | if (!ret && !stat_is_md_dev(&stb)) { | |
330c07f8 | 1313 | pr_err("device %s exists but is not an md array.\n", ident.devname); |
7f91af49 N |
1314 | exit(1); |
1315 | } | |
7f91af49 | 1316 | } |
27ad4900 LG |
1317 | if (ident.super_minor == -2) |
1318 | ident.super_minor = minor(stb.st_rdev); | |
64c4757e | 1319 | } |
52826846 | 1320 | |
e705e81b N |
1321 | if (s.raiddisks) { |
1322 | if (s.raiddisks == 1 && !c.force && s.level != LEVEL_FAULTY) { | |
e7b84f9d | 1323 | pr_err("'1' is an unusual number of drives for an array, so it is probably\n" |
e4c4352e NB |
1324 | " a mistake. If you really mean it you will need to specify --force before\n" |
1325 | " setting the number of drives.\n"); | |
1326 | exit(2); | |
1327 | } | |
1328 | } | |
c82f047c | 1329 | |
86b77ddf | 1330 | if (c.homehost == NULL && c.require_homehost) |
9e33d556 | 1331 | c.homehost = conf_get_homehost(&c.require_homehost); |
9d1fbf65 | 1332 | if (c.homehost == NULL || strcasecmp(c.homehost, "<system>") == 0) { |
21e622f2 | 1333 | if (s_gethostname(sys_hostname, sizeof(sys_hostname)) == 0) { |
9e33d556 | 1334 | c.homehost = sys_hostname; |
05697ec1 NB |
1335 | } |
1336 | } | |
9d1fbf65 JS |
1337 | if (c.homehost && |
1338 | (!c.homehost[0] || strcasecmp(c.homehost, "<none>") == 0)) { | |
9e33d556 N |
1339 | c.homehost = NULL; |
1340 | c.require_homehost = 0; | |
0f23aa88 | 1341 | } |
997aed5d | 1342 | |
380487fd | 1343 | rv = 0; |
e80357f8 GJ |
1344 | |
1345 | set_hooks(); /* set hooks from libs */ | |
1346 | ||
7716570e GJ |
1347 | if (c.homecluster == NULL && (c.nodes > 0)) { |
1348 | c.homecluster = conf_get_homecluster(); | |
1349 | if (c.homecluster == NULL) | |
1350 | rv = get_cluster_name(&c.homecluster); | |
380487fd | 1351 | if (rv) { |
7716570e GJ |
1352 | pr_err("The md can't get cluster name\n"); |
1353 | exit(1); | |
1354 | } | |
1355 | } | |
1356 | ||
3a87fa67 | 1357 | if (c.update && c.update == UOPT_NODES && c.nodes == 0) { |
138a9e9b XN |
1358 | pr_err("Please specify nodes number with --nodes\n"); |
1359 | exit(1); | |
1360 | } | |
1361 | ||
ae5dfc56 | 1362 | if (c.backup_file && s.data_offset != INVALID_SECTORS) { |
8192902f N |
1363 | pr_err("--backup-file and --data-offset are incompatible\n"); |
1364 | exit(2); | |
1365 | } | |
1366 | ||
9d1fbf65 JS |
1367 | if ((mode == MISC && devmode == 'E') || |
1368 | (mode == MONITOR && spare_sharing == 0)) | |
18361a1a N |
1369 | /* Anyone may try this */; |
1370 | else if (geteuid() != 0) { | |
e7b84f9d | 1371 | pr_err("must be super-user to perform this action\n"); |
ac5678dd N |
1372 | exit(1); |
1373 | } | |
1374 | ||
9e33d556 | 1375 | ident.autof = c.autof; |
7f91af49 | 1376 | |
265460ab N |
1377 | if (c.scan && c.verbose < 2) |
1378 | /* --scan implied --brief unless -vv */ | |
1379 | c.brief = 1; | |
1380 | ||
1b7eb962 GJ |
1381 | if (mode == CREATE) { |
1382 | if (s.bitmap_file && strcmp(s.bitmap_file, "clustered") == 0) { | |
1383 | locked = cluster_get_dlmlock(); | |
1384 | if (locked != 1) | |
1385 | exit(1); | |
1386 | } | |
1387 | } else if (mode == MANAGE || mode == GROW || mode == INCREMENTAL) { | |
1388 | if (!md_get_array_info(mdfd, &array) && (devmode != 'c')) { | |
1389 | if (array.state & (1 << MD_SB_CLUSTERED)) { | |
1390 | locked = cluster_get_dlmlock(); | |
1391 | if (locked != 1) | |
1392 | exit(1); | |
1393 | } | |
1394 | } | |
1395 | } | |
1396 | ||
52826846 | 1397 | switch(mode) { |
e0d19036 | 1398 | case MANAGE: |
52826846 | 1399 | /* readonly, add/remove, readwrite, runstop */ |
9e33d556 | 1400 | if (c.readonly > 0) |
330c07f8 | 1401 | rv = Manage_ro(ident.devname, mdfd, c.readonly); |
3a87fa67 | 1402 | if (!rv && devs_found > 1) |
330c07f8 | 1403 | rv = Manage_subdevs(ident.devname, mdfd, |
3a87fa67 MK |
1404 | devlist->next, c.verbose, |
1405 | c.test, c.update, c.force); | |
9e33d556 | 1406 | if (!rv && c.readonly < 0) |
330c07f8 | 1407 | rv = Manage_ro(ident.devname, mdfd, c.readonly); |
fe7e0e64 | 1408 | if (!rv && c.runstop > 0) |
330c07f8 | 1409 | rv = Manage_run(ident.devname, mdfd, &c); |
fe7e0e64 | 1410 | if (!rv && c.runstop < 0) |
330c07f8 | 1411 | rv = Manage_stop(ident.devname, mdfd, c.verbose, 0); |
52826846 | 1412 | break; |
e0d19036 | 1413 | case ASSEMBLE: |
1e93d0d1 BK |
1414 | if (!c.scan && c.runstop == -1) { |
1415 | pr_err("--no-degraded not meaningful without a --scan assembly.\n"); | |
1416 | exit(1); | |
1417 | } else if (devs_found == 1 && ident.uuid_set == 0 && | |
1418 | ident.super_minor == UnSet && ident.name[0] == 0 && | |
1419 | !c.scan) { | |
d013a55e | 1420 | /* Only a device has been given, so get details from config file */ |
330c07f8 | 1421 | struct mddev_ident *array_ident = conf_get_ident(ident.devname); |
b5e64645 | 1422 | if (array_ident == NULL) { |
330c07f8 | 1423 | pr_err("%s not identified in config file.\n", ident.devname); |
d013a55e | 1424 | rv |= 1; |
7f91af49 N |
1425 | if (mdfd >= 0) |
1426 | close(mdfd); | |
b5e64645 | 1427 | } else { |
7f91af49 | 1428 | if (array_ident->autof == 0) |
9e33d556 | 1429 | array_ident->autof = c.autof; |
330c07f8 | 1430 | rv |= Assemble(ss, ident.devname, array_ident, NULL, &c); |
d013a55e | 1431 | } |
9e33d556 | 1432 | } else if (!c.scan) |
330c07f8 | 1433 | rv = Assemble(ss, ident.devname, &ident, devlist->next, &c); |
18361a1a | 1434 | else if (devs_found > 0) { |
9e33d556 | 1435 | if (c.update && devs_found > 1) { |
e7b84f9d | 1436 | pr_err("can only update a single array at a time\n"); |
5787fa49 NB |
1437 | exit(1); |
1438 | } | |
9e33d556 | 1439 | if (c.backup_file && devs_found > 1) { |
e7b84f9d | 1440 | pr_err("can only assemble a single array when providing a backup file.\n"); |
06b0d786 NB |
1441 | exit(1); |
1442 | } | |
8ea98217 | 1443 | for (dv = devlist; dv; dv = dv->next) { |
fa56eddb | 1444 | struct mddev_ident *array_ident = conf_get_ident(dv->devname); |
52826846 | 1445 | if (array_ident == NULL) { |
e7b84f9d | 1446 | pr_err("%s not identified in config file.\n", |
cd29a5c8 | 1447 | dv->devname); |
52826846 NB |
1448 | rv |= 1; |
1449 | continue; | |
1450 | } | |
7f91af49 | 1451 | if (array_ident->autof == 0) |
9e33d556 | 1452 | array_ident->autof = c.autof; |
7f91af49 | 1453 | rv |= Assemble(ss, dv->devname, array_ident, |
4977146a | 1454 | NULL, &c); |
52826846 | 1455 | } |
5787fa49 | 1456 | } else { |
9e33d556 | 1457 | if (c.update) { |
e7b84f9d | 1458 | pr_err("--update not meaningful with a --scan assembly.\n"); |
da6b5ca9 NB |
1459 | exit(1); |
1460 | } | |
9e33d556 | 1461 | if (c.backup_file) { |
e7b84f9d | 1462 | pr_err("--backup_file not meaningful with a --scan assembly.\n"); |
da6b5ca9 NB |
1463 | exit(1); |
1464 | } | |
4977146a | 1465 | rv = scan_assemble(ss, &c, &ident); |
52826846 | 1466 | } |
3cbc4d12 | 1467 | |
52826846 | 1468 | break; |
e0d19036 | 1469 | case BUILD: |
9e33d556 N |
1470 | if (c.delay == 0) |
1471 | c.delay = DEFAULT_BITMAP_DELAY; | |
e705e81b | 1472 | if (s.write_behind && !s.bitmap_file) { |
e7b84f9d | 1473 | pr_err("write-behind mode requires a bitmap.\n"); |
dfd4d8ee NB |
1474 | rv = 1; |
1475 | break; | |
1476 | } | |
e705e81b | 1477 | if (s.raiddisks == 0) { |
e7b84f9d | 1478 | pr_err("no raid-devices specified.\n"); |
5b28bd56 NB |
1479 | rv = 1; |
1480 | break; | |
1481 | } | |
dfd4d8ee | 1482 | |
e705e81b | 1483 | if (s.bitmap_file) { |
9d1fbf65 | 1484 | if (strcmp(s.bitmap_file, "internal") == 0 || |
6d9c7c25 GR |
1485 | strcmp(s.bitmap_file, "clustered") == 0) { |
1486 | pr_err("'internal' and 'clustered' bitmaps not supported with --build\n"); | |
55935d51 NB |
1487 | rv |= 1; |
1488 | break; | |
1489 | } | |
c82f047c | 1490 | } |
330c07f8 | 1491 | rv = Build(&ident, devlist->next, &s, &c); |
52826846 | 1492 | break; |
e0d19036 | 1493 | case CREATE: |
9e33d556 N |
1494 | if (c.delay == 0) |
1495 | c.delay = DEFAULT_BITMAP_DELAY; | |
529e2aa5 GJ |
1496 | |
1497 | if (c.nodes) { | |
9d1fbf65 JS |
1498 | if (!s.bitmap_file || |
1499 | strcmp(s.bitmap_file, "clustered") != 0) { | |
529e2aa5 GJ |
1500 | pr_err("--nodes argument only compatible with --bitmap=clustered\n"); |
1501 | rv = 1; | |
1502 | break; | |
1503 | } | |
1504 | ||
5339f996 GJ |
1505 | if (s.level != 1 && s.level != 10) { |
1506 | pr_err("--bitmap=clustered is currently supported with raid1/10 only\n"); | |
1507 | rv = 1; | |
1508 | break; | |
1509 | } | |
18160d34 | 1510 | if (s.level == 10 && !(is_near_layout_10(s.layout) || s.layout == UnSet)) { |
5339f996 | 1511 | pr_err("only near layout is supported with clustered raid10\n"); |
529e2aa5 GJ |
1512 | rv = 1; |
1513 | break; | |
1514 | } | |
1515 | } | |
1516 | ||
e705e81b | 1517 | if (s.write_behind && !s.bitmap_file) { |
e7b84f9d | 1518 | pr_err("write-behind mode requires a bitmap.\n"); |
dfd4d8ee NB |
1519 | rv = 1; |
1520 | break; | |
1521 | } | |
e705e81b | 1522 | if (s.raiddisks == 0) { |
e7b84f9d | 1523 | pr_err("no raid-devices specified.\n"); |
5b28bd56 NB |
1524 | rv = 1; |
1525 | break; | |
1526 | } | |
f9ce90ba | 1527 | |
330c07f8 | 1528 | rv = Create(ss, &ident, devs_found - 1, devlist->next, &s, &c); |
52826846 | 1529 | break; |
e0d19036 | 1530 | case MISC: |
e0d19036 | 1531 | if (devmode == 'E') { |
9e33d556 | 1532 | if (devlist == NULL && !c.scan) { |
e7b84f9d | 1533 | pr_err("No devices to examine\n"); |
e0d19036 NB |
1534 | exit(2); |
1535 | } | |
1536 | if (devlist == NULL) | |
8aec876d | 1537 | devlist = conf_get_devs(); |
e0d19036 | 1538 | if (devlist == NULL) { |
e7b84f9d | 1539 | pr_err("No devices listed in %s\n", configfile?configfile:DefaultConfFile); |
e0d19036 NB |
1540 | exit(1); |
1541 | } | |
eec3f887 | 1542 | rv = Examine(devlist, &c, ss); |
4cce4069 | 1543 | } else if (devmode == DetailPlatform) { |
9eafa1de MN |
1544 | rv = Detail_Platform(ss ? ss->ss : NULL, ss ? c.scan : 1, |
1545 | c.verbose, c.export, | |
1546 | devlist ? devlist->devname : NULL); | |
7d27d1c0 | 1547 | } else if (devlist == NULL) { |
9e33d556 | 1548 | if (devmode == 'S' && c.scan) |
0937132d | 1549 | rv = stop_scan(c.verbose); |
9d1fbf65 JS |
1550 | else if ((devmode == 'D' || devmode == Waitclean) && |
1551 | c.scan) | |
ef898ce6 | 1552 | rv = misc_scan(devmode, &c); |
7d27d1c0 N |
1553 | else if (devmode == UdevRules) |
1554 | rv = Write_rules(udev_filename); | |
1555 | else { | |
e7b84f9d | 1556 | pr_err("No devices given.\n"); |
7d27d1c0 | 1557 | exit(2); |
e0d19036 | 1558 | } |
7d27d1c0 | 1559 | } else |
74db60b0 | 1560 | rv = misc_list(devlist, &ident, dump_directory, ss, &c); |
9a9dab36 | 1561 | break; |
e0d19036 | 1562 | case MONITOR: |
9e33d556 | 1563 | if (!devlist && !c.scan) { |
e7b84f9d | 1564 | pr_err("Cannot monitor: need --scan or at least one device\n"); |
e0d19036 NB |
1565 | rv = 1; |
1566 | break; | |
1567 | } | |
b5e64645 | 1568 | if (pidfile && !daemonise) { |
e7b84f9d | 1569 | pr_err("Cannot write a pid file when not in daemon mode\n"); |
b5e64645 NB |
1570 | rv = 1; |
1571 | break; | |
1572 | } | |
9e33d556 | 1573 | if (c.delay == 0) { |
0663137c | 1574 | c.delay = conf_get_monitor_delay(); |
1575 | if (!c.delay) | |
9e33d556 | 1576 | c.delay = 60; |
ddc7201f | 1577 | } |
8ea98217 JS |
1578 | rv = Monitor(devlist, mailaddr, program, |
1579 | &c, daemonise, oneshot, | |
1580 | dosyslog, pidfile, increments, | |
1581 | spare_sharing); | |
9a9dab36 | 1582 | break; |
dd0781e5 NB |
1583 | |
1584 | case GROW: | |
a93f8c65 | 1585 | if (array_size > 0) { |
84e11361 N |
1586 | /* alway impose array size first, independent of |
1587 | * anything else | |
9ce510be N |
1588 | * Do not allow level or raid_disks changes at the |
1589 | * same time as that can be irreversibly destructive. | |
84e11361 N |
1590 | */ |
1591 | struct mdinfo sra; | |
1592 | int err; | |
e705e81b | 1593 | if (s.raiddisks || s.level != UnSet) { |
7a862a02 | 1594 | pr_err("cannot change array size in same operation as changing raiddisks or level.\n" |
9ce510be N |
1595 | " Change size first, then check that data is still intact.\n"); |
1596 | rv = 1; | |
1597 | break; | |
1598 | } | |
dae13137 JS |
1599 | if (sysfs_init(&sra, mdfd, NULL)) { |
1600 | rv = 1; | |
1601 | break; | |
1602 | } | |
a93f8c65 | 1603 | if (array_size == MAX_SIZE) |
84e11361 N |
1604 | err = sysfs_set_str(&sra, NULL, "array_size", "default"); |
1605 | else | |
1606 | err = sysfs_set_num(&sra, NULL, "array_size", array_size / 2); | |
1607 | if (err < 0) { | |
1608 | if (errno == E2BIG) | |
7a862a02 | 1609 | pr_err("--array-size setting is too large.\n"); |
84e11361 | 1610 | else |
7a862a02 | 1611 | pr_err("current kernel does not support setting --array-size\n"); |
84e11361 N |
1612 | rv = 1; |
1613 | break; | |
1614 | } | |
1615 | } | |
1c8b90df | 1616 | if (devs_found > 1 && s.raiddisks == 0 && s.level == UnSet) { |
e5329c37 | 1617 | /* must be '-a'. */ |
9d1fbf65 JS |
1618 | if (s.size > 0 || s.chunk || |
1619 | s.layout_str || s.bitmap_file) { | |
7a862a02 | 1620 | pr_err("--add cannot be used with other geometry changes in --grow mode\n"); |
e5329c37 NB |
1621 | rv = 1; |
1622 | break; | |
1623 | } | |
8ea98217 | 1624 | for (dv = devlist->next; dv; dv = dv->next) { |
330c07f8 | 1625 | rv = Grow_Add_device(ident.devname, mdfd, dv->devname); |
e5329c37 NB |
1626 | if (rv) |
1627 | break; | |
1628 | } | |
e705e81b N |
1629 | } else if (s.bitmap_file) { |
1630 | if (s.size > 0 || s.raiddisks || s.chunk || | |
9d1fbf65 | 1631 | s.layout_str || devs_found > 1) { |
7a862a02 | 1632 | pr_err("--bitmap changes cannot be used with other geometry changes in --grow mode\n"); |
7236ee7a N |
1633 | rv = 1; |
1634 | break; | |
1635 | } | |
9e33d556 N |
1636 | if (c.delay == 0) |
1637 | c.delay = DEFAULT_BITMAP_DELAY; | |
330c07f8 | 1638 | rv = Grow_addbitmap(ident.devname, mdfd, &c, &s); |
2dddadb0 | 1639 | } else if (grow_continue) |
330c07f8 | 1640 | rv = Grow_continue_command(ident.devname, mdfd, c.backup_file, c.verbose); |
9d1fbf65 JS |
1641 | else if (s.size > 0 || s.raiddisks || s.layout_str || |
1642 | s.chunk != 0 || s.level != UnSet || | |
ae5dfc56 | 1643 | s.data_offset != INVALID_SECTORS) { |
330c07f8 | 1644 | rv = Grow_reshape(ident.devname, mdfd, devlist->next, &c, &s); |
b7580566 | 1645 | } else if (s.consistency_policy != CONSISTENCY_POLICY_UNKNOWN) { |
330c07f8 | 1646 | rv = Grow_consistency_policy(ident.devname, mdfd, &c, &s); |
a93f8c65 | 1647 | } else if (array_size == 0) |
e7b84f9d | 1648 | pr_err("no changes to --grow\n"); |
dd0781e5 | 1649 | break; |
8382f19b NB |
1650 | case INCREMENTAL: |
1651 | if (rebuild_map) { | |
1652 | RebuildMap(); | |
1653 | } | |
9e33d556 | 1654 | if (c.scan) { |
9eaf410f N |
1655 | rv = 1; |
1656 | if (devlist) { | |
1657 | pr_err("In --incremental mode, a device cannot be given with --scan.\n"); | |
1658 | break; | |
1659 | } | |
9e33d556 | 1660 | if (c.runstop <= 0) { |
e7b84f9d | 1661 | pr_err("--incremental --scan meaningless without --run.\n"); |
8382f19b NB |
1662 | break; |
1663 | } | |
29ba4804 | 1664 | if (devmode == 'f') { |
e7b84f9d | 1665 | pr_err("--incremental --scan --fail not supported.\n"); |
29ba4804 N |
1666 | break; |
1667 | } | |
d5a40416 | 1668 | rv = IncrementalScan(&c, NULL); |
8382f19b NB |
1669 | } |
1670 | if (!devlist) { | |
9e33d556 | 1671 | if (!rebuild_map && !c.scan) { |
e7b84f9d | 1672 | pr_err("--incremental requires a device.\n"); |
8382f19b NB |
1673 | rv = 1; |
1674 | } | |
1675 | break; | |
1676 | } | |
b11fe74d N |
1677 | if (devmode == 'f') { |
1678 | if (devlist->next) { | |
1679 | pr_err("'--incremental --fail' can only handle one device.\n"); | |
1680 | rv = 1; | |
1681 | break; | |
1682 | } | |
950bc344 | 1683 | rv = IncrementalRemove(devlist->devname, remove_path, |
0937132d | 1684 | c.verbose); |
b11fe74d N |
1685 | } else |
1686 | rv = Incremental(devlist, &c, ss); | |
1f48664b NB |
1687 | break; |
1688 | case AUTODETECT: | |
1689 | autodetect(); | |
1690 | break; | |
64c4757e | 1691 | } |
e62a561e GM |
1692 | if (ss) { |
1693 | ss->ss->free_super(ss); | |
1694 | free(ss); | |
1695 | } | |
1b7eb962 GJ |
1696 | if (locked) |
1697 | cluster_release_dlmlock(); | |
b71de056 | 1698 | close_fd(&mdfd); |
52826846 | 1699 | exit(rv); |
64c4757e | 1700 | } |
3cbc4d12 | 1701 | |
4977146a N |
1702 | static int scan_assemble(struct supertype *ss, |
1703 | struct context *c, | |
1704 | struct mddev_ident *ident) | |
3cbc4d12 N |
1705 | { |
1706 | struct mddev_ident *a, *array_list = conf_get_ident(NULL); | |
1707 | struct mddev_dev *devlist = conf_get_devs(); | |
1708 | struct map_ent *map = NULL; | |
1709 | int cnt = 0; | |
1710 | int rv = 0; | |
1711 | int failures, successes; | |
1712 | ||
1713 | if (conf_verify_devnames(array_list)) { | |
7a862a02 | 1714 | pr_err("Duplicate MD device names in conf file were found.\n"); |
3cbc4d12 N |
1715 | return 1; |
1716 | } | |
1717 | if (devlist == NULL) { | |
e7b84f9d | 1718 | pr_err("No devices listed in conf file were found.\n"); |
3cbc4d12 N |
1719 | return 1; |
1720 | } | |
8ea98217 | 1721 | for (a = array_list; a; a = a->next) { |
3cbc4d12 N |
1722 | a->assembled = 0; |
1723 | if (a->autof == 0) | |
4977146a | 1724 | a->autof = c->autof; |
3cbc4d12 N |
1725 | } |
1726 | if (map_lock(&map)) | |
1ade5cc1 | 1727 | pr_err("failed to get exclusive lock on mapfile\n"); |
3cbc4d12 N |
1728 | do { |
1729 | failures = 0; | |
1730 | successes = 0; | |
1731 | rv = 0; | |
8ea98217 | 1732 | for (a = array_list; a; a = a->next) { |
3cbc4d12 N |
1733 | int r; |
1734 | if (a->assembled) | |
1735 | continue; | |
7b3b691b | 1736 | if (a->devname && is_devname_ignore(a->devname) == true) |
3cbc4d12 | 1737 | continue; |
1011e834 | 1738 | |
3cbc4d12 | 1739 | r = Assemble(ss, a->devname, |
4977146a | 1740 | a, NULL, c); |
3cbc4d12 N |
1741 | if (r == 0) { |
1742 | a->assembled = 1; | |
1743 | successes++; | |
1744 | } else | |
1745 | failures++; | |
1746 | rv |= r; | |
1747 | cnt++; | |
1748 | } | |
1749 | } while (failures && successes); | |
4977146a | 1750 | if (c->homehost && cnt == 0) { |
3cbc4d12 N |
1751 | /* Maybe we can auto-assemble something. |
1752 | * Repeatedly call Assemble in auto-assemble mode | |
1753 | * until it fails | |
1754 | */ | |
1755 | int rv2; | |
1756 | int acnt; | |
4977146a | 1757 | ident->autof = c->autof; |
3cbc4d12 N |
1758 | do { |
1759 | struct mddev_dev *devlist = conf_get_devs(); | |
1760 | acnt = 0; | |
1761 | do { | |
1762 | rv2 = Assemble(ss, NULL, | |
1763 | ident, | |
4977146a | 1764 | devlist, c); |
9d1fbf65 | 1765 | if (rv2 == 0) { |
3cbc4d12 N |
1766 | cnt++; |
1767 | acnt++; | |
1768 | } | |
9d1fbf65 | 1769 | } while (rv2 != 2); |
3cbc4d12 N |
1770 | /* Incase there are stacked devices, we need to go around again */ |
1771 | } while (acnt); | |
1772 | if (cnt == 0 && rv == 0) { | |
e7b84f9d | 1773 | pr_err("No arrays found in config file or automatically\n"); |
3cbc4d12 N |
1774 | rv = 1; |
1775 | } else if (cnt) | |
1776 | rv = 0; | |
1777 | } else if (cnt == 0 && rv == 0) { | |
e7b84f9d | 1778 | pr_err("No arrays found in config file\n"); |
3cbc4d12 N |
1779 | rv = 1; |
1780 | } | |
1781 | map_unlock(&map); | |
1782 | return rv; | |
1783 | } | |
7d27d1c0 | 1784 | |
ef898ce6 | 1785 | static int misc_scan(char devmode, struct context *c) |
7d27d1c0 N |
1786 | { |
1787 | /* apply --detail or --wait-clean to | |
1788 | * all devices in /proc/mdstat | |
1789 | */ | |
1790 | struct mdstat_ent *ms = mdstat_read(0, 1); | |
1791 | struct mdstat_ent *e; | |
1792 | struct map_ent *map = NULL; | |
1793 | int members; | |
7d27d1c0 N |
1794 | int rv = 0; |
1795 | ||
1796 | for (members = 0; members <= 1; members++) { | |
8ea98217 | 1797 | for (e = ms; e; e = e->next) { |
743eaf8b | 1798 | char *name = NULL; |
7d27d1c0 | 1799 | struct map_ent *me; |
743eaf8b | 1800 | struct stat stb; |
7d27d1c0 N |
1801 | int member = e->metadata_version && |
1802 | strncmp(e->metadata_version, | |
1803 | "external:/", 10) == 0; | |
1804 | if (members != member) | |
1805 | continue; | |
4dd2df09 | 1806 | me = map_by_devnm(&map, e->devnm); |
fc54fe7a | 1807 | if (me && me->path && strcmp(me->path, "/unknown") != 0) |
7d27d1c0 | 1808 | name = me->path; |
9d1fbf65 | 1809 | if (name == NULL || stat(name, &stb) != 0) |
4dd2df09 | 1810 | name = get_md_name(e->devnm); |
7d27d1c0 N |
1811 | |
1812 | if (!name) { | |
e7b84f9d | 1813 | pr_err("cannot find device file for %s\n", |
9581efb1 | 1814 | e->devnm); |
7d27d1c0 N |
1815 | continue; |
1816 | } | |
1817 | if (devmode == 'D') | |
ef898ce6 | 1818 | rv |= Detail(name, c); |
7d27d1c0 | 1819 | else |
1ea04629 | 1820 | rv |= WaitClean(name, c->verbose); |
7d27d1c0 | 1821 | put_md_name(name); |
898bd1ec GJ |
1822 | map_free(map); |
1823 | map = NULL; | |
7d27d1c0 N |
1824 | } |
1825 | } | |
1826 | free_mdstat(ms); | |
1827 | return rv; | |
1828 | } | |
1829 | ||
ba728be7 | 1830 | static int stop_scan(int verbose) |
7d27d1c0 N |
1831 | { |
1832 | /* apply --stop to all devices in /proc/mdstat */ | |
1833 | /* Due to possible stacking of devices, repeat until | |
1834 | * nothing more can be stopped | |
1835 | */ | |
8ea98217 | 1836 | int progress = 1, err; |
7d27d1c0 N |
1837 | int last = 0; |
1838 | int rv = 0; | |
1839 | do { | |
1840 | struct mdstat_ent *ms = mdstat_read(0, 0); | |
1841 | struct mdstat_ent *e; | |
1842 | ||
1843 | if (!progress) last = 1; | |
1844 | progress = 0; err = 0; | |
8ea98217 | 1845 | for (e = ms; e; e = e->next) { |
4dd2df09 | 1846 | char *name = get_md_name(e->devnm); |
7d27d1c0 N |
1847 | int mdfd; |
1848 | ||
1849 | if (!name) { | |
e7b84f9d | 1850 | pr_err("cannot find device file for %s\n", |
9581efb1 | 1851 | e->devnm); |
7d27d1c0 N |
1852 | continue; |
1853 | } | |
1854 | mdfd = open_mddev(name, 1); | |
1855 | if (mdfd >= 0) { | |
fe7e0e64 | 1856 | if (Manage_stop(name, mdfd, verbose, !last)) |
7d27d1c0 N |
1857 | err = 1; |
1858 | else | |
1859 | progress = 1; | |
1860 | close(mdfd); | |
1861 | } | |
1862 | ||
1863 | put_md_name(name); | |
1864 | } | |
1865 | free_mdstat(ms); | |
1866 | } while (!last && err); | |
1867 | if (err) | |
1868 | rv |= 1; | |
1869 | return rv; | |
1870 | } | |
1871 | ||
1872 | static int misc_list(struct mddev_dev *devlist, | |
86da243f | 1873 | struct mddev_ident *ident, |
74db60b0 | 1874 | char *dump_directory, |
86da243f | 1875 | struct supertype *ss, struct context *c) |
7d27d1c0 N |
1876 | { |
1877 | struct mddev_dev *dv; | |
1878 | int rv = 0; | |
1879 | ||
8ea98217 | 1880 | for (dv = devlist; dv; dv = (rv & 16) ? NULL : dv->next) { |
5fbc1f15 | 1881 | int mdfd = -1; |
7d27d1c0 N |
1882 | |
1883 | switch(dv->disposition) { | |
1884 | case 'D': | |
ef898ce6 | 1885 | rv |= Detail(dv->devname, c); |
7d27d1c0 N |
1886 | continue; |
1887 | case KillOpt: /* Zero superblock */ | |
1888 | if (ss) | |
86da243f | 1889 | rv |= Kill(dv->devname, ss, c->force, c->verbose,0); |
7d27d1c0 | 1890 | else { |
86da243f | 1891 | int v = c->verbose; |
7d27d1c0 | 1892 | do { |
86da243f | 1893 | rv |= Kill(dv->devname, NULL, c->force, v, 0); |
ba728be7 | 1894 | v = -1; |
7d27d1c0 | 1895 | } while (rv == 0); |
29d7f182 | 1896 | rv &= ~4; |
7d27d1c0 N |
1897 | } |
1898 | continue; | |
1899 | case 'Q': | |
ed180996 JS |
1900 | rv |= Query(dv->devname); |
1901 | continue; | |
7d27d1c0 | 1902 | case 'X': |
ed180996 JS |
1903 | rv |= ExamineBitmap(dv->devname, c->brief, ss); |
1904 | continue; | |
6d388a88 | 1905 | case ExamineBB: |
ed180996 JS |
1906 | rv |= ExamineBadblocks(dv->devname, c->brief, ss); |
1907 | continue; | |
7d27d1c0 N |
1908 | case 'W': |
1909 | case WaitOpt: | |
ed180996 JS |
1910 | rv |= Wait(dv->devname); |
1911 | continue; | |
7d27d1c0 | 1912 | case Waitclean: |
1ea04629 | 1913 | rv |= WaitClean(dv->devname, c->verbose); |
ed180996 | 1914 | continue; |
7d27d1c0 | 1915 | case KillSubarray: |
86da243f | 1916 | rv |= Kill_subarray(dv->devname, c->subarray, c->verbose); |
7d27d1c0 N |
1917 | continue; |
1918 | case UpdateSubarray: | |
3a87fa67 | 1919 | if (!c->update) { |
e7b84f9d | 1920 | pr_err("-U/--update must be specified with --update-subarray\n"); |
7d27d1c0 N |
1921 | rv |= 1; |
1922 | continue; | |
1923 | } | |
86da243f | 1924 | rv |= Update_subarray(dv->devname, c->subarray, |
3a87fa67 | 1925 | c->update, ident, c->verbose); |
7d27d1c0 | 1926 | continue; |
74db60b0 N |
1927 | case Dump: |
1928 | rv |= Dump_metadata(dv->devname, dump_directory, c, ss); | |
1929 | continue; | |
1930 | case Restore: | |
1931 | rv |= Restore_metadata(dv->devname, dump_directory, c, ss, | |
1932 | (dv == devlist && dv->next == NULL)); | |
1933 | continue; | |
a740cf64 N |
1934 | case Action: |
1935 | rv |= SetAction(dv->devname, c->action); | |
1936 | continue; | |
7d27d1c0 | 1937 | } |
13428e2e GK |
1938 | |
1939 | if (dv->devname[0] != '/') | |
1940 | mdfd = open_dev(dv->devname); | |
1941 | if (dv->devname[0] == '/' || mdfd < 0) | |
1942 | mdfd = open_mddev(dv->devname, 1); | |
1943 | ||
8ea98217 | 1944 | if (mdfd >= 0) { |
7d27d1c0 N |
1945 | switch(dv->disposition) { |
1946 | case 'R': | |
d5a40416 | 1947 | c->runstop = 1; |
ed180996 JS |
1948 | rv |= Manage_run(dv->devname, mdfd, c); |
1949 | break; | |
7d27d1c0 | 1950 | case 'S': |
0530e2e0 NS |
1951 | if (c->scan) { |
1952 | pr_err("--stop not meaningful with both a --scan assembly and a device name.\n"); | |
1953 | rv |= 1; | |
1954 | break; | |
1955 | } | |
ed180996 JS |
1956 | rv |= Manage_stop(dv->devname, mdfd, c->verbose, 0); |
1957 | break; | |
7d27d1c0 | 1958 | case 'o': |
ed180996 JS |
1959 | rv |= Manage_ro(dv->devname, mdfd, 1); |
1960 | break; | |
7d27d1c0 | 1961 | case 'w': |
ed180996 JS |
1962 | rv |= Manage_ro(dv->devname, mdfd, -1); |
1963 | break; | |
7d27d1c0 N |
1964 | } |
1965 | close(mdfd); | |
1966 | } else | |
1967 | rv |= 1; | |
1968 | } | |
1969 | return rv; | |
1970 | } | |
a740cf64 N |
1971 | |
1972 | int SetAction(char *dev, char *action) | |
1973 | { | |
1974 | int fd = open(dev, O_RDONLY); | |
1975 | struct mdinfo mdi; | |
dae13137 JS |
1976 | int retval; |
1977 | ||
a740cf64 N |
1978 | if (fd < 0) { |
1979 | pr_err("Couldn't open %s: %s\n", dev, strerror(errno)); | |
1980 | return 1; | |
1981 | } | |
dae13137 | 1982 | retval = sysfs_init(&mdi, fd, NULL); |
a740cf64 | 1983 | close(fd); |
dae13137 | 1984 | if (retval) { |
a740cf64 N |
1985 | pr_err("%s is no an md array\n", dev); |
1986 | return 1; | |
1987 | } | |
1988 | ||
1989 | if (sysfs_set_str(&mdi, NULL, "sync_action", action) < 0) { | |
1990 | pr_err("Count not set action for %s to %s: %s\n", | |
1991 | dev, action, strerror(errno)); | |
1992 | return 1; | |
1993 | } | |
1994 | return 0; | |
1995 | } |