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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; |
40c9a66a | 52 | unsigned long long data_offset = INVALID_SECTORS; |
fa56eddb | 53 | struct mddev_ident ident; |
52826846 | 54 | char *configfile = NULL; |
1c7a808c | 55 | int devmode = 0; |
c82f047c | 56 | int bitmap_fd = -1; |
a655e550 N |
57 | struct mddev_dev *devlist = NULL; |
58 | struct mddev_dev **devlistend = & devlist; | |
59 | struct mddev_dev *dv; | |
52826846 | 60 | int devs_found = 0; |
38098016 | 61 | char *symlinks = NULL; |
2dddadb0 | 62 | int grow_continue = 0; |
f1ae21c4 NB |
63 | /* autof indicates whether and how to create device node. |
64 | * bottom 3 bits are style. Rest (when shifted) are number of parts | |
65 | * 0 - unset | |
66 | * 1 - don't create (no) | |
67 | * 2 - if is_standard, then create (yes) | |
68 | * 3 - create as 'md' - reject is_standard mdp (md) | |
69 | * 4 - create as 'mdp' - reject is_standard md (mdp) | |
70 | * 5 - default to md if not is_standard (md in config file) | |
71 | * 6 - default to mdp if not is_standard (part, or mdp in config file) | |
72 | */ | |
9e33d556 N |
73 | struct context c = { |
74 | .require_homehost = 1, | |
75 | }; | |
e705e81b | 76 | struct shape s = { |
cc1799c3 | 77 | .journaldisks = 0, |
e705e81b N |
78 | .level = UnSet, |
79 | .layout = UnSet, | |
80 | .bitmap_chunk = UnSet, | |
5308f117 | 81 | .consistency_policy = UnSet, |
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 NB |
105 | int mdfd = -1; |
106 | ||
dfe47e00 NB |
107 | srandom(time(0) ^ getpid()); |
108 | ||
8ea98217 | 109 | ident.uuid_set = 0; |
98c6faba NB |
110 | ident.level = UnSet; |
111 | ident.raid_disks = UnSet; | |
8ea98217 JS |
112 | ident.super_minor = UnSet; |
113 | ident.devices = 0; | |
a75f2fbc NB |
114 | ident.spare_group = NULL; |
115 | ident.autof = 0; | |
a825febc | 116 | ident.st = NULL; |
c82f047c | 117 | ident.bitmap_fd = -1; |
7ef02d01 | 118 | ident.bitmap_file = NULL; |
947fd4dd | 119 | ident.name[0] = 0; |
aef35714 N |
120 | ident.container = NULL; |
121 | ident.member = NULL; | |
52826846 | 122 | |
dcf3d4de JS |
123 | if (get_linux_version() < 2006015) { |
124 | pr_err("This version of mdadm does not support kernels older than 2.6.15\n"); | |
125 | exit(1); | |
126 | } | |
127 | ||
8ea98217 JS |
128 | while ((option_index = -1), |
129 | (opt = getopt_long(argc, argv, shortopt, long_options, | |
130 | &option_index)) != -1) { | |
e0d19036 | 131 | int newmode = mode; |
35904960 | 132 | /* firstly, some mode-independent options */ |
52826846 | 133 | switch(opt) { |
1c7a808c N |
134 | case HelpOptions: |
135 | print_help = 2; | |
136 | continue; | |
52826846 | 137 | case 'h': |
1c7a808c | 138 | print_help = 1; |
3d4064cc | 139 | continue; |
52826846 NB |
140 | |
141 | case 'V': | |
142 | fputs(Version, stderr); | |
143 | exit(0); | |
144 | ||
9e33d556 | 145 | case 'v': c.verbose++; |
52826846 NB |
146 | continue; |
147 | ||
0937132d | 148 | case 'q': c.verbose--; |
dab6685f NB |
149 | continue; |
150 | ||
c82f047c | 151 | case 'b': |
9d1fbf65 JS |
152 | if (mode == ASSEMBLE || mode == BUILD || |
153 | mode == CREATE || mode == GROW || | |
154 | mode == INCREMENTAL || mode == MANAGE) | |
c82f047c | 155 | break; /* b means bitmap */ |
1c7a808c | 156 | case Brief: |
9e33d556 | 157 | c.brief = 1; |
cd29a5c8 NB |
158 | continue; |
159 | ||
9e33d556 | 160 | case 'Y': c.export++; |
54bad364 KS |
161 | continue; |
162 | ||
997aed5d | 163 | case HomeHost: |
0ac91628 | 164 | if (strcasecmp(optarg, "<ignore>") == 0) |
9e33d556 | 165 | c.require_homehost = 0; |
0ac91628 | 166 | else |
9e33d556 | 167 | c.homehost = optarg; |
997aed5d NB |
168 | continue; |
169 | ||
08ca2adf | 170 | case OffRootOpt: |
3e23ba9d | 171 | /* Silently ignore old option */ |
08ca2adf JS |
172 | continue; |
173 | ||
c2ecf5f6 | 174 | case Prefer: |
9e33d556 N |
175 | if (c.prefer) |
176 | free(c.prefer); | |
177 | if (asprintf(&c.prefer, "/%s/", optarg) <= 0) | |
178 | c.prefer = NULL; | |
c2ecf5f6 N |
179 | continue; |
180 | ||
e0d19036 NB |
181 | case ':': |
182 | case '?': | |
183 | fputs(Usage, stderr); | |
184 | exit(2); | |
185 | } | |
186 | /* second, figure out the mode. | |
187 | * Some options force the mode. Others | |
aba69144 | 188 | * set the mode if it isn't already |
e0d19036 NB |
189 | */ |
190 | ||
191 | switch(opt) { | |
1c7a808c | 192 | case ManageOpt: |
c06487ce | 193 | newmode = MANAGE; |
024768c4 | 194 | shortopt = short_bitmap_options; |
c06487ce | 195 | break; |
e0d19036 | 196 | case 'a': |
1c7a808c | 197 | case Add: |
f33a71f1 | 198 | case AddSpare: |
01290056 | 199 | case AddJournal: |
e0d19036 | 200 | case 'r': |
1c7a808c | 201 | case Remove: |
70c55e36 N |
202 | case Replace: |
203 | case With: | |
e0d19036 | 204 | case 'f': |
1c7a808c | 205 | case Fail: |
41a3b72a | 206 | case ReAdd: /* re-add */ |
4de90913 | 207 | case ClusterConfirm: |
c06487ce NB |
208 | if (!mode) { |
209 | newmode = MANAGE; | |
024768c4 | 210 | shortopt = short_bitmap_options; |
c06487ce | 211 | } |
0320ea45 | 212 | break; |
e0d19036 | 213 | |
18361a1a N |
214 | case 'A': newmode = ASSEMBLE; |
215 | shortopt = short_bitmap_auto_options; | |
216 | break; | |
217 | case 'B': newmode = BUILD; | |
218 | shortopt = short_bitmap_auto_options; | |
219 | break; | |
220 | case 'C': newmode = CREATE; | |
221 | shortopt = short_bitmap_auto_options; | |
222 | break; | |
223 | case 'F': newmode = MONITOR; | |
224 | break; | |
024768c4 DL |
225 | case 'G': newmode = GROW; |
226 | shortopt = short_bitmap_options; | |
227 | break; | |
95b79df0 | 228 | case 'I': newmode = INCREMENTAL; |
18361a1a N |
229 | shortopt = short_bitmap_auto_options; |
230 | break; | |
1f48664b | 231 | case AutoDetect: |
5a53aeec JS |
232 | newmode = AUTODETECT; |
233 | break; | |
e0d19036 | 234 | |
1c7a808c | 235 | case MiscOpt: |
e0d19036 NB |
236 | case 'D': |
237 | case 'E': | |
c82f047c | 238 | case 'X': |
5a53aeec | 239 | case 'Q': |
6d388a88 | 240 | case ExamineBB: |
74db60b0 N |
241 | case Dump: |
242 | case Restore: | |
a740cf64 | 243 | case Action: |
5a53aeec JS |
244 | newmode = MISC; |
245 | break; | |
246 | ||
e0d19036 NB |
247 | case 'R': |
248 | case 'S': | |
249 | case 'o': | |
250 | case 'w': | |
b90c0e9a | 251 | case 'W': |
1c7a808c | 252 | case WaitOpt: |
1770662b | 253 | case Waitclean: |
4cce4069 | 254 | case DetailPlatform: |
33414a01 | 255 | case KillSubarray: |
aa534678 | 256 | case UpdateSubarray: |
20b60dcd | 257 | case UdevRules: |
f7d3febc | 258 | case KillOpt: |
5a53aeec JS |
259 | if (!mode) |
260 | newmode = MISC; | |
261 | break; | |
262 | ||
263 | case NoSharing: | |
264 | newmode = MONITOR; | |
265 | break; | |
e0d19036 NB |
266 | } |
267 | if (mode && newmode == mode) { | |
268 | /* everybody happy ! */ | |
269 | } else if (mode && newmode != mode) { | |
270 | /* not allowed.. */ | |
e7b84f9d | 271 | pr_err(""); |
e0d19036 NB |
272 | if (option_index >= 0) |
273 | fprintf(stderr, "--%s", long_options[option_index].name); | |
274 | else | |
275 | fprintf(stderr, "-%c", opt); | |
e6b64cd0 | 276 | fprintf(stderr, " would set mdadm mode to \"%s\", but it is already set to \"%s\".\n", |
e0d19036 NB |
277 | map_num(modes, newmode), |
278 | map_num(modes, mode)); | |
279 | exit(2); | |
280 | } else if (!mode && newmode) { | |
281 | mode = newmode; | |
dec18cae | 282 | if (mode == MISC && devs_found) { |
e7b84f9d | 283 | pr_err("No action given for %s in --misc mode\n", |
dec18cae | 284 | devlist->devname); |
d33f1518 | 285 | cont_err("Action options must come before device names\n"); |
dec18cae N |
286 | exit(2); |
287 | } | |
e0d19036 NB |
288 | } else { |
289 | /* special case of -c --help */ | |
1c7a808c | 290 | if ((opt == 'c' || opt == ConfigFile) && |
9d1fbf65 JS |
291 | (strncmp(optarg, "--h", 3) == 0 || |
292 | strncmp(optarg, "-h", 2) == 0)) { | |
0047d254 | 293 | fputs(Help_config, stdout); |
e0d19036 | 294 | exit(0); |
cd29a5c8 | 295 | } |
0320ea45 NB |
296 | |
297 | /* If first option is a device, don't force the mode yet */ | |
298 | if (opt == 1) { | |
299 | if (devs_found == 0) { | |
503975b9 | 300 | dv = xmalloc(sizeof(*dv)); |
0320ea45 NB |
301 | dv->devname = optarg; |
302 | dv->disposition = devmode; | |
dfd4d8ee | 303 | dv->writemostly = writemostly; |
71574efb | 304 | dv->failfast = failfast; |
da6b5ca9 | 305 | dv->used = 0; |
0320ea45 NB |
306 | dv->next = NULL; |
307 | *devlistend = dv; | |
308 | devlistend = &dv->next; | |
aba69144 | 309 | |
0320ea45 NB |
310 | devs_found++; |
311 | continue; | |
312 | } | |
313 | /* No mode yet, and this is the second device ... */ | |
e7b84f9d | 314 | pr_err("An option must be given to set the mode before a second device\n" |
a1331cc4 | 315 | " (%s) is listed\n", optarg); |
0320ea45 NB |
316 | exit(2); |
317 | } | |
e0d19036 | 318 | if (option_index >= 0) |
e7b84f9d | 319 | pr_err("--%s", long_options[option_index].name); |
e0d19036 | 320 | else |
e7b84f9d | 321 | pr_err("-%c", opt); |
0320ea45 | 322 | fprintf(stderr, " does not set the mode, and so cannot be the first option.\n"); |
e0d19036 NB |
323 | exit(2); |
324 | } | |
325 | ||
326 | /* if we just set the mode, then done */ | |
327 | switch(opt) { | |
1c7a808c N |
328 | case ManageOpt: |
329 | case MiscOpt: | |
e0d19036 NB |
330 | case 'A': |
331 | case 'B': | |
332 | case 'C': | |
333 | case 'F': | |
dd0781e5 | 334 | case 'G': |
8382f19b | 335 | case 'I': |
1f48664b | 336 | case AutoDetect: |
e0d19036 NB |
337 | continue; |
338 | } | |
339 | if (opt == 1) { | |
9eafa1de | 340 | /* an undecorated option - must be a device name. |
e0d19036 | 341 | */ |
9eafa1de MN |
342 | |
343 | if (devs_found > 0 && devmode == DetailPlatform) { | |
344 | pr_err("controller may only be specified once. %s ignored\n", | |
345 | optarg); | |
346 | continue; | |
347 | } | |
348 | ||
1c7a808c | 349 | if (devs_found > 0 && mode == MANAGE && !devmode) { |
7a862a02 | 350 | pr_err("Must give one of -a/-r/-f for subsequent devices at %s\n", optarg); |
52826846 NB |
351 | exit(2); |
352 | } | |
1c7a808c | 353 | if (devs_found > 0 && mode == GROW && !devmode) { |
7a862a02 | 354 | pr_err("Must give -a/--add for devices to add: %s\n", optarg); |
e5329c37 NB |
355 | exit(2); |
356 | } | |
503975b9 | 357 | dv = xmalloc(sizeof(*dv)); |
cd29a5c8 NB |
358 | dv->devname = optarg; |
359 | dv->disposition = devmode; | |
dfd4d8ee | 360 | dv->writemostly = writemostly; |
71574efb | 361 | dv->failfast = failfast; |
9008ed1c | 362 | dv->used = 0; |
cd29a5c8 NB |
363 | dv->next = NULL; |
364 | *devlistend = dv; | |
365 | devlistend = &dv->next; | |
aba69144 | 366 | |
52826846 NB |
367 | devs_found++; |
368 | continue; | |
682c7051 | 369 | } |
682c7051 | 370 | |
52826846 NB |
371 | /* We've got a mode, and opt is now something else which |
372 | * could depend on the mode */ | |
1c7a808c | 373 | #define O(a,b) ((a<<16)|b) |
52826846 | 374 | switch (O(mode,opt)) { |
7236ee7a | 375 | case O(GROW,'c'): |
1c7a808c | 376 | case O(GROW,ChunkSize): |
e0d19036 | 377 | case O(CREATE,'c'): |
1c7a808c | 378 | case O(CREATE,ChunkSize): |
e0d19036 | 379 | case O(BUILD,'c'): /* chunk or rounding */ |
1c7a808c | 380 | case O(BUILD,ChunkSize): /* chunk or rounding */ |
e705e81b | 381 | if (s.chunk) { |
7a862a02 | 382 | pr_err("chunk/rounding may only be specified once. Second value is %s.\n", optarg); |
52826846 NB |
383 | exit(2); |
384 | } | |
e705e81b | 385 | s.chunk = parse_size(optarg); |
822e393a N |
386 | if (s.chunk == INVALID_SECTORS || |
387 | s.chunk < 8 || (s.chunk&1)) { | |
e7b84f9d | 388 | pr_err("invalid chunk/rounding value: %s\n", |
52826846 NB |
389 | optarg); |
390 | exit(2); | |
391 | } | |
a252c078 | 392 | /* Convert sectors to K */ |
e705e81b | 393 | s.chunk /= 2; |
52826846 | 394 | continue; |
64c4757e | 395 | |
8382f19b | 396 | case O(INCREMENTAL, 'e'): |
f9ce90ba NB |
397 | case O(CREATE,'e'): |
398 | case O(ASSEMBLE,'e'): | |
399 | case O(MISC,'e'): /* set metadata (superblock) information */ | |
400 | if (ss) { | |
e7b84f9d | 401 | pr_err("metadata information already given\n"); |
f9ce90ba NB |
402 | exit(2); |
403 | } | |
8ea98217 | 404 | for(i = 0; !ss && superlist[i]; i++) |
82d9eba6 NB |
405 | ss = superlist[i]->match_metadata_desc(optarg); |
406 | ||
f9ce90ba | 407 | if (!ss) { |
e7b84f9d | 408 | pr_err("unrecognised metadata identifier: %s\n", optarg); |
f9ce90ba NB |
409 | exit(2); |
410 | } | |
411 | continue; | |
412 | ||
dfd4d8ee | 413 | case O(MANAGE,'W'): |
1c7a808c | 414 | case O(MANAGE,WriteMostly): |
dfd4d8ee | 415 | case O(BUILD,'W'): |
1c7a808c | 416 | case O(BUILD,WriteMostly): |
dfd4d8ee | 417 | case O(CREATE,'W'): |
1c7a808c | 418 | case O(CREATE,WriteMostly): |
dfd4d8ee | 419 | /* set write-mostly for following devices */ |
e22fe3ae | 420 | writemostly = FlagSet; |
dfd4d8ee NB |
421 | continue; |
422 | ||
b3d31955 N |
423 | case O(MANAGE,'w'): |
424 | /* clear write-mostly for following devices */ | |
e22fe3ae | 425 | writemostly = FlagClear; |
b3d31955 N |
426 | continue; |
427 | ||
71574efb N |
428 | case O(MANAGE,FailFast): |
429 | case O(CREATE,FailFast): | |
e22fe3ae | 430 | failfast = FlagSet; |
71574efb N |
431 | continue; |
432 | case O(MANAGE,NoFailFast): | |
e22fe3ae | 433 | failfast = FlagClear; |
71574efb N |
434 | continue; |
435 | ||
dd0781e5 | 436 | case O(GROW,'z'): |
25affb56 PC |
437 | case O(CREATE,'z'): |
438 | case O(BUILD,'z'): /* size */ | |
e705e81b | 439 | if (s.size > 0) { |
7a862a02 | 440 | pr_err("size may only be specified once. Second value is %s.\n", optarg); |
52826846 NB |
441 | exit(2); |
442 | } | |
9d1fbf65 | 443 | if (strcmp(optarg, "max") == 0) |
e705e81b | 444 | s.size = MAX_SIZE; |
dd0781e5 | 445 | else { |
e705e81b | 446 | s.size = parse_size(optarg); |
9d1fbf65 JS |
447 | if (s.size == INVALID_SECTORS || s.size < 8) { |
448 | pr_err("invalid size: %s\n", optarg); | |
dd0781e5 NB |
449 | exit(2); |
450 | } | |
5f4fc0e1 | 451 | /* convert sectors to K */ |
e705e81b | 452 | s.size /= 2; |
52826846 NB |
453 | } |
454 | continue; | |
64c4757e | 455 | |
84e11361 | 456 | case O(GROW,'Z'): /* array size */ |
a93f8c65 | 457 | if (array_size > 0) { |
7a862a02 | 458 | pr_err("array-size may only be specified once. Second value is %s.\n", optarg); |
84e11361 N |
459 | exit(2); |
460 | } | |
461 | if (strcmp(optarg, "max") == 0) | |
a93f8c65 | 462 | array_size = MAX_SIZE; |
84e11361 N |
463 | else { |
464 | array_size = parse_size(optarg); | |
822e393a N |
465 | if (array_size == 0 || |
466 | array_size == INVALID_SECTORS) { | |
e7b84f9d | 467 | pr_err("invalid array size: %s\n", |
84e11361 N |
468 | optarg); |
469 | exit(2); | |
470 | } | |
471 | } | |
472 | continue; | |
473 | ||
40c9a66a N |
474 | case O(CREATE,DataOffset): |
475 | case O(GROW,DataOffset): | |
476 | if (data_offset != INVALID_SECTORS) { | |
7a862a02 | 477 | pr_err("data-offset may only be specified one. Second value is %s.\n", optarg); |
40c9a66a N |
478 | exit(2); |
479 | } | |
9d1fbf65 | 480 | if (mode == CREATE && strcmp(optarg, "variable") == 0) |
72ca9bcf N |
481 | data_offset = VARIABLE_OFFSET; |
482 | else | |
483 | data_offset = parse_size(optarg); | |
40c9a66a | 484 | if (data_offset == INVALID_SECTORS) { |
ed503f89 | 485 | pr_err("invalid data-offset: %s\n", |
40c9a66a N |
486 | optarg); |
487 | exit(2); | |
488 | } | |
489 | continue; | |
490 | ||
7236ee7a | 491 | case O(GROW,'l'): |
e0d19036 NB |
492 | case O(CREATE,'l'): |
493 | case O(BUILD,'l'): /* set raid level*/ | |
e705e81b | 494 | if (s.level != UnSet) { |
7a862a02 | 495 | pr_err("raid level may only be set once. Second value is %s.\n", optarg); |
52826846 NB |
496 | exit(2); |
497 | } | |
e705e81b N |
498 | s.level = map_name(pers, optarg); |
499 | if (s.level == UnSet) { | |
e7b84f9d | 500 | pr_err("invalid raid level: %s\n", |
52826846 NB |
501 | optarg); |
502 | exit(2); | |
503 | } | |
9d1fbf65 JS |
504 | if (s.level != 0 && s.level != LEVEL_LINEAR && |
505 | s.level != 1 && s.level != LEVEL_MULTIPATH && | |
506 | s.level != LEVEL_FAULTY && s.level != 10 && | |
e0fe762a | 507 | mode == BUILD) { |
e7b84f9d | 508 | pr_err("Raid level %s not permitted with --build.\n", |
52826846 NB |
509 | optarg); |
510 | exit(2); | |
511 | } | |
e705e81b | 512 | if (s.sparedisks > 0 && s.level < 1 && s.level >= -1) { |
e7b84f9d | 513 | pr_err("raid level %s is incompatible with spare-devices setting.\n", |
52826846 NB |
514 | optarg); |
515 | exit(2); | |
516 | } | |
e705e81b | 517 | ident.level = s.level; |
52826846 | 518 | continue; |
64c4757e | 519 | |
19678e53 | 520 | case O(GROW, 'p'): /* new layout */ |
1c7a808c | 521 | case O(GROW, Layout): |
e705e81b | 522 | if (s.layout_str) { |
7a862a02 | 523 | pr_err("layout may only be sent once. Second value was %s\n", optarg); |
19678e53 N |
524 | exit(2); |
525 | } | |
e705e81b | 526 | s.layout_str = optarg; |
19678e53 N |
527 | /* 'Grow' will parse the value */ |
528 | continue; | |
529 | ||
e0d19036 | 530 | case O(CREATE,'p'): /* raid5 layout */ |
1c7a808c | 531 | case O(CREATE,Layout): |
b5e64645 | 532 | case O(BUILD,'p'): /* faulty layout */ |
1c7a808c | 533 | case O(BUILD,Layout): |
e705e81b | 534 | if (s.layout != UnSet) { |
7a862a02 | 535 | pr_err("layout may only be sent once. Second value was %s\n", optarg); |
52826846 NB |
536 | exit(2); |
537 | } | |
e705e81b | 538 | switch(s.level) { |
52826846 | 539 | default: |
e7b84f9d | 540 | pr_err("layout not meaningful for %s arrays.\n", |
e705e81b | 541 | map_num(pers, s.level)); |
52826846 | 542 | exit(2); |
98c6faba | 543 | case UnSet: |
e7b84f9d | 544 | pr_err("raid level must be given before layout.\n"); |
52826846 NB |
545 | exit(2); |
546 | ||
547 | case 5: | |
e705e81b | 548 | s.layout = map_name(r5layout, optarg); |
8ea98217 | 549 | if (s.layout == UnSet) { |
e7b84f9d | 550 | pr_err("layout %s not understood for raid5.\n", |
52826846 NB |
551 | optarg); |
552 | exit(2); | |
553 | } | |
554 | break; | |
b640a252 | 555 | case 6: |
e705e81b | 556 | s.layout = map_name(r6layout, optarg); |
8ea98217 | 557 | if (s.layout == UnSet) { |
e7b84f9d | 558 | pr_err("layout %s not understood for raid6.\n", |
b640a252 N |
559 | optarg); |
560 | exit(2); | |
561 | } | |
562 | break; | |
e5329c37 NB |
563 | |
564 | case 10: | |
e705e81b N |
565 | s.layout = parse_layout_10(optarg); |
566 | if (s.layout < 0) { | |
e7b84f9d | 567 | pr_err("layout for raid10 must be 'nNN', 'oNN' or 'fNN' where NN is a number, not %s\n", optarg); |
e5329c37 NB |
568 | exit(2); |
569 | } | |
e5329c37 | 570 | break; |
19678e53 N |
571 | case LEVEL_FAULTY: |
572 | /* Faulty | |
573 | * modeNNN | |
574 | */ | |
e705e81b N |
575 | s.layout = parse_layout_faulty(optarg); |
576 | if (s.layout == -1) { | |
e7b84f9d | 577 | pr_err("layout %s not understood for faulty.\n", |
b5e64645 NB |
578 | optarg); |
579 | exit(2); | |
580 | } | |
4a06e2c2 | 581 | break; |
52826846 NB |
582 | } |
583 | continue; | |
584 | ||
997aed5d NB |
585 | case O(CREATE,AssumeClean): |
586 | case O(BUILD,AssumeClean): /* assume clean */ | |
ce52f92f | 587 | case O(GROW,AssumeClean): |
e705e81b | 588 | s.assume_clean = 1; |
dd0781e5 NB |
589 | continue; |
590 | ||
591 | case O(GROW,'n'): | |
e0d19036 NB |
592 | case O(CREATE,'n'): |
593 | case O(BUILD,'n'): /* number of raid disks */ | |
e705e81b | 594 | if (s.raiddisks) { |
e7b84f9d | 595 | pr_err("raid-devices set twice: %d and %s\n", |
e705e81b | 596 | s.raiddisks, optarg); |
52826846 NB |
597 | exit(2); |
598 | } | |
e705e81b N |
599 | s.raiddisks = parse_num(optarg); |
600 | if (s.raiddisks <= 0) { | |
e7b84f9d | 601 | pr_err("invalid number of raid devices: %s\n", |
52826846 NB |
602 | optarg); |
603 | exit(2); | |
604 | } | |
e705e81b | 605 | ident.raid_disks = s.raiddisks; |
52826846 | 606 | continue; |
7e6e839a | 607 | case O(ASSEMBLE, Nodes): |
6447a127 | 608 | case O(GROW, Nodes): |
529e2aa5 GJ |
609 | case O(CREATE, Nodes): |
610 | c.nodes = parse_num(optarg); | |
9d67f649 ZL |
611 | if (c.nodes < 2) { |
612 | pr_err("clustered array needs two nodes at least: %s\n", | |
529e2aa5 GJ |
613 | optarg); |
614 | exit(2); | |
615 | } | |
616 | continue; | |
7716570e | 617 | case O(CREATE, ClusterName): |
0aa2f15b | 618 | case O(ASSEMBLE, ClusterName): |
7716570e GJ |
619 | c.homecluster = optarg; |
620 | if (strlen(c.homecluster) > 64) { | |
621 | pr_err("Cluster name too big.\n"); | |
622 | exit(ERANGE); | |
623 | } | |
624 | continue; | |
18361a1a | 625 | case O(CREATE,'x'): /* number of spare (eXtra) disks */ |
e705e81b | 626 | if (s.sparedisks) { |
e7b84f9d | 627 | pr_err("spare-devices set twice: %d and %s\n", |
e705e81b | 628 | s.sparedisks, optarg); |
52826846 NB |
629 | exit(2); |
630 | } | |
e705e81b | 631 | if (s.level != UnSet && s.level <= 0 && s.level >= -1) { |
e7b84f9d | 632 | pr_err("spare-devices setting is incompatible with raid level %d\n", |
e705e81b | 633 | s.level); |
52826846 NB |
634 | exit(2); |
635 | } | |
e705e81b N |
636 | s.sparedisks = parse_num(optarg); |
637 | if (s.sparedisks < 0) { | |
e7b84f9d | 638 | pr_err("invalid number of spare-devices: %s\n", |
52826846 NB |
639 | optarg); |
640 | exit(2); | |
641 | } | |
642 | continue; | |
dd0781e5 NB |
643 | |
644 | case O(CREATE,'a'): | |
1c7a808c | 645 | case O(CREATE,Auto): |
dd0781e5 | 646 | case O(BUILD,'a'): |
1c7a808c | 647 | case O(BUILD,Auto): |
95b79df0 | 648 | case O(INCREMENTAL,'a'): |
1c7a808c N |
649 | case O(INCREMENTAL,Auto): |
650 | case O(ASSEMBLE,'a'): | |
651 | case O(ASSEMBLE,Auto): /* auto-creation of device node */ | |
9e33d556 | 652 | c.autof = parse_auto(optarg, "--auto flag", 0); |
dd0781e5 NB |
653 | continue; |
654 | ||
38098016 NB |
655 | case O(CREATE,Symlinks): |
656 | case O(BUILD,Symlinks): | |
657 | case O(ASSEMBLE,Symlinks): /* auto creation of symlinks in /dev to /dev/md */ | |
658 | symlinks = optarg; | |
659 | continue; | |
660 | ||
aa88f531 | 661 | case O(BUILD,'f'): /* force honouring '-n 1' */ |
1c7a808c | 662 | case O(BUILD,Force): /* force honouring '-n 1' */ |
bd72c2b2 | 663 | case O(GROW,'f'): /* ditto */ |
1c7a808c | 664 | case O(GROW,Force): /* ditto */ |
e0d19036 | 665 | case O(CREATE,'f'): /* force honouring of device list */ |
1c7a808c | 666 | case O(CREATE,Force): /* force honouring of device list */ |
e0d19036 | 667 | case O(ASSEMBLE,'f'): /* force assembly */ |
1c7a808c | 668 | case O(ASSEMBLE,Force): /* force assembly */ |
e0d19036 | 669 | case O(MISC,'f'): /* force zero */ |
1c7a808c | 670 | case O(MISC,Force): /* force zero */ |
11b391ec | 671 | case O(MANAGE,Force): /* add device which is too large */ |
8ea98217 | 672 | c.force = 1; |
52826846 | 673 | continue; |
52826846 | 674 | /* now for the Assemble options */ |
b76b30e0 AK |
675 | case O(ASSEMBLE, FreezeReshape): /* Freeze reshape during |
676 | * initrd phase */ | |
677 | case O(INCREMENTAL, FreezeReshape): | |
9e33d556 | 678 | c.freeze_reshape = 1; |
b76b30e0 | 679 | continue; |
3d3dd91e | 680 | case O(CREATE,'u'): /* uuid of array */ |
e0d19036 | 681 | case O(ASSEMBLE,'u'): /* uuid of array */ |
52826846 | 682 | if (ident.uuid_set) { |
7a862a02 | 683 | pr_err("uuid cannot be set twice. Second value %s.\n", optarg); |
52826846 NB |
684 | exit(2); |
685 | } | |
686 | if (parse_uuid(optarg, ident.uuid)) | |
687 | ident.uuid_set = 1; | |
688 | else { | |
e7b84f9d | 689 | pr_err("Bad uuid: %s\n", optarg); |
52826846 NB |
690 | exit(2); |
691 | } | |
692 | continue; | |
693 | ||
947fd4dd NB |
694 | case O(CREATE,'N'): |
695 | case O(ASSEMBLE,'N'): | |
aa534678 | 696 | case O(MISC,'N'): |
947fd4dd | 697 | if (ident.name[0]) { |
7a862a02 | 698 | pr_err("name cannot be set twice. Second value %s.\n", optarg); |
947fd4dd NB |
699 | exit(2); |
700 | } | |
9e33d556 | 701 | if (mode == MISC && !c.subarray) { |
e7b84f9d | 702 | pr_err("-N/--name only valid with --update-subarray in misc mode\n"); |
aa534678 DW |
703 | exit(2); |
704 | } | |
947fd4dd | 705 | if (strlen(optarg) > 32) { |
e7b84f9d | 706 | pr_err("name '%s' is too long, 32 chars max.\n", |
947fd4dd NB |
707 | optarg); |
708 | exit(2); | |
709 | } | |
710 | strcpy(ident.name, optarg); | |
711 | continue; | |
712 | ||
e0d19036 | 713 | case O(ASSEMBLE,'m'): /* super-minor for array */ |
1c7a808c | 714 | case O(ASSEMBLE,SuperMinor): |
98c6faba | 715 | if (ident.super_minor != UnSet) { |
7a862a02 | 716 | pr_err("super-minor cannot be set twice. Second value: %s.\n", optarg); |
cd29a5c8 NB |
717 | exit(2); |
718 | } | |
9d1fbf65 | 719 | if (strcmp(optarg, "dev") == 0) |
d013a55e NB |
720 | ident.super_minor = -2; |
721 | else { | |
79868890 N |
722 | ident.super_minor = parse_num(optarg); |
723 | if (ident.super_minor < 0) { | |
e7b84f9d | 724 | pr_err("Bad super-minor number: %s.\n", optarg); |
d013a55e NB |
725 | exit(2); |
726 | } | |
cd29a5c8 NB |
727 | } |
728 | continue; | |
729 | ||
0ea8f5b1 N |
730 | case O(ASSEMBLE,'o'): |
731 | case O(MANAGE,'o'): | |
732 | case O(CREATE,'o'): | |
9e33d556 | 733 | c.readonly = 1; |
0ea8f5b1 N |
734 | continue; |
735 | ||
5787fa49 | 736 | case O(ASSEMBLE,'U'): /* update the superblock */ |
aa534678 | 737 | case O(MISC,'U'): |
9e33d556 | 738 | if (c.update) { |
7a862a02 | 739 | pr_err("Can only update one aspect of superblock, both %s and %s given.\n", |
9e33d556 | 740 | c.update, optarg); |
5787fa49 NB |
741 | exit(2); |
742 | } | |
9e33d556 | 743 | if (mode == MISC && !c.subarray) { |
7a862a02 | 744 | pr_err("Only subarrays can be updated in misc mode\n"); |
aa534678 DW |
745 | exit(2); |
746 | } | |
9e33d556 | 747 | c.update = optarg; |
9d1fbf65 | 748 | if (strcmp(c.update, "sparc2.2") == 0) |
e5329c37 | 749 | continue; |
9e33d556 | 750 | if (strcmp(c.update, "super-minor") == 0) |
5787fa49 | 751 | continue; |
9d1fbf65 | 752 | if (strcmp(c.update, "summaries") == 0) |
feb716e9 | 753 | continue; |
9d1fbf65 | 754 | if (strcmp(c.update, "resync") == 0) |
e5329c37 | 755 | continue; |
9d1fbf65 | 756 | if (strcmp(c.update, "uuid") == 0) |
7d99579f | 757 | continue; |
9d1fbf65 | 758 | if (strcmp(c.update, "name") == 0) |
c4f12c13 | 759 | continue; |
9d1fbf65 | 760 | if (strcmp(c.update, "homehost") == 0) |
0237e0ca | 761 | continue; |
9d1fbf65 | 762 | if (strcmp(c.update, "home-cluster") == 0) |
0aa2f15b | 763 | continue; |
9d1fbf65 | 764 | if (strcmp(c.update, "nodes") == 0) |
7e6e839a | 765 | continue; |
9d1fbf65 | 766 | if (strcmp(c.update, "devicesize") == 0) |
bee8ec56 | 767 | continue; |
9d1fbf65 | 768 | if (strcmp(c.update, "no-bitmap") == 0) |
5a31170d | 769 | continue; |
688e99a7 N |
770 | if (strcmp(c.update, "bbl") == 0) |
771 | continue; | |
772 | if (strcmp(c.update, "no-bbl") == 0) | |
773 | continue; | |
6dd16dac N |
774 | if (strcmp(c.update, "force-no-bbl") == 0) |
775 | continue; | |
e6e9dd3f AP |
776 | if (strcmp(c.update, "ppl") == 0) |
777 | continue; | |
778 | if (strcmp(c.update, "no-ppl") == 0) | |
779 | continue; | |
afa368f4 N |
780 | if (strcmp(c.update, "metadata") == 0) |
781 | continue; | |
199f1a1f N |
782 | if (strcmp(c.update, "revert-reshape") == 0) |
783 | continue; | |
8ea98217 | 784 | if (strcmp(c.update, "byteorder") == 0) { |
586ed405 | 785 | if (ss) { |
7a862a02 | 786 | pr_err("must not set metadata type with --update=byteorder.\n"); |
586ed405 NB |
787 | exit(2); |
788 | } | |
8ea98217 | 789 | for(i = 0; !ss && superlist[i]; i++) |
833bb0f8 N |
790 | ss = superlist[i]->match_metadata_desc( |
791 | "0.swap"); | |
586ed405 | 792 | if (!ss) { |
7a862a02 | 793 | pr_err("INTERNAL ERROR cannot find 0.swap\n"); |
586ed405 NB |
794 | exit(2); |
795 | } | |
796 | ||
797 | continue; | |
798 | } | |
9e33d556 N |
799 | if (strcmp(c.update,"?") == 0 || |
800 | strcmp(c.update, "help") == 0) { | |
0047d254 | 801 | outf = stdout; |
d56dd607 | 802 | fprintf(outf, "%s: ", Name); |
0047d254 NB |
803 | } else { |
804 | outf = stderr; | |
805 | fprintf(outf, | |
d56dd607 PB |
806 | "%s: '--update=%s' is invalid. ", |
807 | Name, c.update); | |
0047d254 NB |
808 | } |
809 | fprintf(outf, "Valid --update options are:\n" | |
7e6e839a | 810 | " 'sparc2.2', 'super-minor', 'uuid', 'name', 'nodes', 'resync',\n" |
0aa2f15b | 811 | " 'summaries', 'homehost', 'home-cluster', 'byteorder', 'devicesize',\n" |
c60495c8 | 812 | " 'no-bitmap', 'metadata', 'revert-reshape'\n" |
e6e9dd3f | 813 | " 'bbl', 'no-bbl', 'force-no-bbl', 'ppl', 'no-ppl'\n" |
c60495c8 | 814 | ); |
0047d254 | 815 | exit(outf == stdout ? 0 : 2); |
5787fa49 | 816 | |
833bb0f8 N |
817 | case O(MANAGE,'U'): |
818 | /* update=devicesize is allowed with --re-add */ | |
c8e1a230 | 819 | if (devmode != 'A') { |
7a862a02 | 820 | pr_err("--update in Manage mode only allowed with --re-add.\n"); |
833bb0f8 N |
821 | exit(1); |
822 | } | |
9e33d556 | 823 | if (c.update) { |
7a862a02 | 824 | pr_err("Can only update one aspect of superblock, both %s and %s given.\n", |
9e33d556 | 825 | c.update, optarg); |
833bb0f8 N |
826 | exit(2); |
827 | } | |
9e33d556 | 828 | c.update = optarg; |
688e99a7 N |
829 | if (strcmp(c.update, "devicesize") != 0 && |
830 | strcmp(c.update, "bbl") != 0 && | |
6dd16dac | 831 | strcmp(c.update, "force-no-bbl") != 0 && |
688e99a7 | 832 | strcmp(c.update, "no-bbl") != 0) { |
6dd16dac | 833 | pr_err("only 'devicesize', 'bbl', 'no-bbl', and 'force-no-bbl' can be updated with --re-add\n"); |
833bb0f8 N |
834 | exit(2); |
835 | } | |
836 | continue; | |
837 | ||
172356c9 | 838 | case O(INCREMENTAL,NoDegraded): |
e7b84f9d | 839 | pr_err("--no-degraded is deprecated in Incremental mode\n"); |
997aed5d | 840 | case O(ASSEMBLE,NoDegraded): /* --no-degraded */ |
9e33d556 N |
841 | c.runstop = -1; /* --stop isn't allowed for --assemble, |
842 | * so we overload slightly */ | |
b8a8ccf9 NB |
843 | continue; |
844 | ||
1c7a808c N |
845 | case O(ASSEMBLE,'c'): |
846 | case O(ASSEMBLE,ConfigFile): | |
7b187ed7 | 847 | case O(INCREMENTAL, 'c'): |
1c7a808c | 848 | case O(INCREMENTAL, ConfigFile): |
2d465520 | 849 | case O(MISC, 'c'): |
1c7a808c | 850 | case O(MISC, ConfigFile): |
e0d19036 | 851 | case O(MONITOR,'c'): |
1c7a808c | 852 | case O(MONITOR,ConfigFile): |
9ccfd3be | 853 | case O(CREATE,ConfigFile): |
52826846 | 854 | if (configfile) { |
7a862a02 | 855 | pr_err("configfile cannot be set twice. Second value is %s.\n", optarg); |
52826846 NB |
856 | exit(2); |
857 | } | |
858 | configfile = optarg; | |
8aec876d | 859 | set_conffile(configfile); |
52826846 NB |
860 | /* FIXME possibly check that config file exists. Even parse it */ |
861 | continue; | |
e0d19036 NB |
862 | case O(ASSEMBLE,'s'): /* scan */ |
863 | case O(MISC,'s'): | |
864 | case O(MONITOR,'s'): | |
8382f19b | 865 | case O(INCREMENTAL,'s'): |
9e33d556 | 866 | c.scan = 1; |
52826846 NB |
867 | continue; |
868 | ||
e0d19036 | 869 | case O(MONITOR,'m'): /* mail address */ |
1c7a808c | 870 | case O(MONITOR,EMail): |
52826846 | 871 | if (mailaddr) |
e7b84f9d | 872 | pr_err("only specify one mailaddress. %s ignored.\n", |
52826846 NB |
873 | optarg); |
874 | else | |
875 | mailaddr = optarg; | |
876 | continue; | |
877 | ||
e0d19036 | 878 | case O(MONITOR,'p'): /* alert program */ |
1c7a808c | 879 | case O(MONITOR,ProgramOpt): /* alert program */ |
52826846 | 880 | if (program) |
e7b84f9d | 881 | pr_err("only specify one alter program. %s ignored.\n", |
52826846 NB |
882 | optarg); |
883 | else | |
884 | program = optarg; | |
885 | continue; | |
64c4757e | 886 | |
9a36a9b7 | 887 | case O(MONITOR,'r'): /* rebuild increments */ |
1c7a808c | 888 | case O(MONITOR,Increment): |
9a36a9b7 | 889 | increments = atoi(optarg); |
18361a1a | 890 | if (increments > 99 || increments < 1) { |
e7b84f9d | 891 | pr_err("please specify positive integer between 1 and 99 as rebuild increments.\n"); |
9a36a9b7 ZB |
892 | exit(2); |
893 | } | |
894 | continue; | |
895 | ||
e0d19036 | 896 | case O(MONITOR,'d'): /* delay in seconds */ |
f5e166fe | 897 | case O(GROW, 'd'): |
c82f047c NB |
898 | case O(BUILD,'d'): /* delay for bitmap updates */ |
899 | case O(CREATE,'d'): | |
9e33d556 | 900 | if (c.delay) |
e7b84f9d | 901 | pr_err("only specify delay once. %s ignored.\n", |
52826846 NB |
902 | optarg); |
903 | else { | |
9e33d556 N |
904 | c.delay = parse_num(optarg); |
905 | if (c.delay < 1) { | |
e7b84f9d | 906 | pr_err("invalid delay: %s\n", |
52826846 NB |
907 | optarg); |
908 | exit(2); | |
909 | } | |
910 | } | |
911 | continue; | |
d013a55e | 912 | case O(MONITOR,'f'): /* daemonise */ |
1c7a808c | 913 | case O(MONITOR,Fork): |
d013a55e NB |
914 | daemonise = 1; |
915 | continue; | |
b5e64645 NB |
916 | case O(MONITOR,'i'): /* pid */ |
917 | if (pidfile) | |
e7b84f9d | 918 | pr_err("only specify one pid file. %s ignored.\n", |
b5e64645 NB |
919 | optarg); |
920 | else | |
921 | pidfile = optarg; | |
922 | continue; | |
aa88f531 NB |
923 | case O(MONITOR,'1'): /* oneshot */ |
924 | oneshot = 1; | |
3f555346 | 925 | spare_sharing = 0; |
aa88f531 | 926 | continue; |
98c6faba | 927 | case O(MONITOR,'t'): /* test */ |
9e33d556 | 928 | c.test = 1; |
98c6faba | 929 | continue; |
773135f5 | 930 | case O(MONITOR,'y'): /* log messages to syslog */ |
6ac8aac2 | 931 | openlog("mdadm", LOG_PID, SYSLOG_FACILITY); |
773135f5 NB |
932 | dosyslog = 1; |
933 | continue; | |
edde9560 AC |
934 | case O(MONITOR, NoSharing): |
935 | spare_sharing = 0; | |
936 | continue; | |
18361a1a | 937 | |
52826846 NB |
938 | /* now the general management options. Some are applicable |
939 | * to other modes. None have arguments. | |
940 | */ | |
e5329c37 | 941 | case O(GROW,'a'): |
1c7a808c N |
942 | case O(GROW,Add): |
943 | case O(MANAGE,'a'): | |
944 | case O(MANAGE,Add): /* add a drive */ | |
52826846 | 945 | devmode = 'a'; |
fe80f49b | 946 | continue; |
f33a71f1 N |
947 | case O(MANAGE,AddSpare): /* add drive - never re-add */ |
948 | devmode = 'S'; | |
949 | continue; | |
01290056 SL |
950 | case O(MANAGE,AddJournal): /* add journal */ |
951 | if (s.journaldisks && (s.level < 4 || s.level > 6)) { | |
952 | pr_err("--add-journal is only supported for RAID level 4/5/6.\n"); | |
953 | exit(2); | |
954 | } | |
955 | devmode = 'j'; | |
956 | continue; | |
997aed5d | 957 | case O(MANAGE,ReAdd): |
c8e1a230 | 958 | devmode = 'A'; |
52826846 | 959 | continue; |
e0d19036 | 960 | case O(MANAGE,'r'): /* remove a drive */ |
1c7a808c | 961 | case O(MANAGE,Remove): |
52826846 NB |
962 | devmode = 'r'; |
963 | continue; | |
e0d19036 | 964 | case O(MANAGE,'f'): /* set faulty */ |
1c7a808c N |
965 | case O(MANAGE,Fail): |
966 | case O(INCREMENTAL,'f'): | |
967 | case O(INCREMENTAL,Remove): | |
968 | case O(INCREMENTAL,Fail): /* r for incremental is taken, use f | |
7d27d1c0 N |
969 | * even though we will both fail and |
970 | * remove the device */ | |
52826846 NB |
971 | devmode = 'f'; |
972 | continue; | |
4de90913 GJ |
973 | case O(MANAGE, ClusterConfirm): |
974 | devmode = 'c'; | |
975 | continue; | |
70c55e36 N |
976 | case O(MANAGE,Replace): |
977 | /* Mark these devices for replacement */ | |
978 | devmode = 'R'; | |
979 | continue; | |
980 | case O(MANAGE,With): | |
981 | /* These are the replacements to use */ | |
982 | if (devmode != 'R') { | |
983 | pr_err("--with must follow --replace\n"); | |
984 | exit(2); | |
985 | } | |
986 | devmode = 'W'; | |
987 | continue; | |
8382f19b | 988 | case O(INCREMENTAL,'R'): |
e0d19036 NB |
989 | case O(MANAGE,'R'): |
990 | case O(ASSEMBLE,'R'): | |
991 | case O(BUILD,'R'): | |
992 | case O(CREATE,'R'): /* Run the array */ | |
9e33d556 | 993 | if (c.runstop < 0) { |
e7b84f9d | 994 | pr_err("Cannot both Stop and Run an array\n"); |
52826846 NB |
995 | exit(2); |
996 | } | |
9e33d556 | 997 | c.runstop = 1; |
52826846 | 998 | continue; |
e0d19036 | 999 | case O(MANAGE,'S'): |
9e33d556 | 1000 | if (c.runstop > 0) { |
e7b84f9d | 1001 | pr_err("Cannot both Run and Stop an array\n"); |
52826846 NB |
1002 | exit(2); |
1003 | } | |
9e33d556 | 1004 | c.runstop = -1; |
52826846 | 1005 | continue; |
7d2e6486 | 1006 | case O(MANAGE,'t'): |
9e33d556 | 1007 | c.test = 1; |
7d2e6486 | 1008 | continue; |
52826846 | 1009 | |
e0d19036 NB |
1010 | case O(MISC,'Q'): |
1011 | case O(MISC,'D'): | |
1012 | case O(MISC,'E'): | |
f7d3febc | 1013 | case O(MISC,KillOpt): |
e0d19036 NB |
1014 | case O(MISC,'R'): |
1015 | case O(MISC,'S'): | |
c82f047c | 1016 | case O(MISC,'X'): |
6d388a88 | 1017 | case O(MISC, ExamineBB): |
e0d19036 NB |
1018 | case O(MISC,'o'): |
1019 | case O(MISC,'w'): | |
b90c0e9a | 1020 | case O(MISC,'W'): |
1c7a808c | 1021 | case O(MISC, WaitOpt): |
1770662b | 1022 | case O(MISC, Waitclean): |
4cce4069 | 1023 | case O(MISC, DetailPlatform): |
33414a01 | 1024 | case O(MISC, KillSubarray): |
aa534678 | 1025 | case O(MISC, UpdateSubarray): |
74db60b0 N |
1026 | case O(MISC, Dump): |
1027 | case O(MISC, Restore): | |
a740cf64 | 1028 | case O(MISC ,Action): |
5a53aeec | 1029 | if (opt == KillSubarray || opt == UpdateSubarray) { |
9e33d556 | 1030 | if (c.subarray) { |
7a862a02 | 1031 | pr_err("subarray can only be specified once\n"); |
5a53aeec JS |
1032 | exit(2); |
1033 | } | |
9e33d556 | 1034 | c.subarray = optarg; |
5a53aeec | 1035 | } |
a740cf64 N |
1036 | if (opt == Action) { |
1037 | if (c.action) { | |
1038 | pr_err("Only one --action can be specified\n"); | |
1039 | exit(2); | |
1040 | } | |
1041 | if (strcmp(optarg, "idle") == 0 || | |
1042 | strcmp(optarg, "frozen") == 0 || | |
1043 | strcmp(optarg, "check") == 0 || | |
1044 | strcmp(optarg, "repair") == 0) | |
1045 | c.action = optarg; | |
1046 | else { | |
1047 | pr_err("action must be one of idle, frozen, check, repair\n"); | |
1048 | exit(2); | |
1049 | } | |
1050 | } | |
e0d19036 | 1051 | if (devmode && devmode != opt && |
9d1fbf65 JS |
1052 | (devmode == 'E' || |
1053 | (opt == 'E' && devmode != 'Q'))) { | |
e7b84f9d | 1054 | pr_err("--examine/-E cannot be given with "); |
aa534678 DW |
1055 | if (devmode == 'E') { |
1056 | if (option_index >= 0) | |
1057 | fprintf(stderr, "--%s\n", | |
1058 | long_options[option_index].name); | |
1059 | else | |
1060 | fprintf(stderr, "-%c\n", opt); | |
1061 | } else if (isalpha(devmode)) | |
1062 | fprintf(stderr, "-%c\n", devmode); | |
1063 | else | |
1064 | fprintf(stderr, "previous option\n"); | |
e0d19036 NB |
1065 | exit(2); |
1066 | } | |
1067 | devmode = opt; | |
74db60b0 N |
1068 | if (opt == Dump || opt == Restore) { |
1069 | if (dump_directory != NULL) { | |
1070 | pr_err("dump/restore directory specified twice: %s and %s\n", | |
1071 | dump_directory, optarg); | |
1072 | exit(2); | |
1073 | } | |
1074 | dump_directory = optarg; | |
1075 | } | |
e0d19036 | 1076 | continue; |
7d27d1c0 N |
1077 | case O(MISC, UdevRules): |
1078 | if (devmode && devmode != opt) { | |
7a862a02 | 1079 | pr_err("--udev-rules must be the only option.\n"); |
7d27d1c0 N |
1080 | } else { |
1081 | if (udev_filename) | |
7a862a02 | 1082 | pr_err("only specify one udev rule filename. %s ignored.\n", |
7d27d1c0 N |
1083 | optarg); |
1084 | else | |
1085 | udev_filename = optarg; | |
1086 | } | |
1087 | devmode = opt; | |
1088 | continue; | |
feb716e9 | 1089 | case O(MISC,'t'): |
9e33d556 | 1090 | c.test = 1; |
feb716e9 | 1091 | continue; |
e0d19036 | 1092 | |
997aed5d | 1093 | case O(MISC, Sparc22): |
bd526cee | 1094 | if (devmode != 'E') { |
e7b84f9d | 1095 | pr_err("--sparc2.2 only allowed with --examine\n"); |
bd526cee NB |
1096 | exit(2); |
1097 | } | |
9e33d556 | 1098 | c.SparcAdjust = 1; |
bd526cee | 1099 | continue; |
c82f047c NB |
1100 | |
1101 | case O(ASSEMBLE,'b'): /* here we simply set the bitmap file */ | |
1c7a808c | 1102 | case O(ASSEMBLE,Bitmap): |
c82f047c | 1103 | if (!optarg) { |
e7b84f9d | 1104 | pr_err("bitmap file needed with -b in --assemble mode\n"); |
c82f047c NB |
1105 | exit(2); |
1106 | } | |
72b616af ZL |
1107 | if (strcmp(optarg, "internal") == 0 || |
1108 | strcmp(optarg, "clustered") == 0) { | |
1109 | pr_err("no need to specify --bitmap when assembling" | |
1110 | " arrays with internal or clustered bitmap\n"); | |
55935d51 NB |
1111 | continue; |
1112 | } | |
c82f047c NB |
1113 | bitmap_fd = open(optarg, O_RDWR); |
1114 | if (!*optarg || bitmap_fd < 0) { | |
e7b84f9d | 1115 | pr_err("cannot open bitmap file %s: %s\n", optarg, strerror(errno)); |
c82f047c NB |
1116 | exit(2); |
1117 | } | |
1118 | ident.bitmap_fd = bitmap_fd; /* for Assemble */ | |
1119 | continue; | |
f5e166fe | 1120 | |
997aed5d NB |
1121 | case O(ASSEMBLE, BackupFile): |
1122 | case O(GROW, BackupFile): | |
06b0d786 NB |
1123 | /* Specify a file into which grow might place a backup, |
1124 | * or from which assemble might recover a backup | |
1125 | */ | |
9e33d556 | 1126 | if (c.backup_file) { |
e7b84f9d | 1127 | pr_err("backup file already specified, rejecting %s\n", optarg); |
06b0d786 NB |
1128 | exit(2); |
1129 | } | |
9e33d556 | 1130 | c.backup_file = optarg; |
06b0d786 NB |
1131 | continue; |
1132 | ||
2dddadb0 AK |
1133 | case O(GROW, Continue): |
1134 | /* Continue interrupted grow | |
1135 | */ | |
1136 | grow_continue = 1; | |
1137 | continue; | |
87f26d14 N |
1138 | case O(ASSEMBLE, InvalidBackup): |
1139 | /* Acknowledge that the backupfile is invalid, but ask | |
1140 | * to continue anyway | |
1141 | */ | |
9e33d556 | 1142 | c.invalid_backup = 1; |
87f26d14 N |
1143 | continue; |
1144 | ||
c82f047c | 1145 | case O(BUILD,'b'): |
1c7a808c N |
1146 | case O(BUILD,Bitmap): |
1147 | case O(CREATE,'b'): | |
1148 | case O(CREATE,Bitmap): /* here we create the bitmap */ | |
85375d6d | 1149 | case O(GROW,'b'): |
1c7a808c | 1150 | case O(GROW,Bitmap): |
27c48b37 ZL |
1151 | if (s.bitmap_file) { |
1152 | pr_err("bitmap cannot be set twice. Second value: %s.\n", optarg); | |
1153 | exit(2); | |
1154 | } | |
9d1fbf65 JS |
1155 | if (strcmp(optarg, "internal") == 0 || |
1156 | strcmp(optarg, "none") == 0 || | |
1e0d770c | 1157 | strchr(optarg, '/') != NULL) { |
e705e81b | 1158 | s.bitmap_file = optarg; |
1e0d770c NB |
1159 | continue; |
1160 | } | |
9d1fbf65 | 1161 | if (strcmp(optarg, "clustered") == 0) { |
529e2aa5 GJ |
1162 | s.bitmap_file = optarg; |
1163 | /* Set the default number of cluster nodes | |
1164 | * to 4 if not already set by user | |
1165 | */ | |
1166 | if (c.nodes < 1) | |
1167 | c.nodes = 4; | |
1168 | continue; | |
1169 | } | |
1e0d770c | 1170 | /* probable typo */ |
e19a149c | 1171 | pr_err("bitmap file must contain a '/', or be 'internal', or be 'clustered', or 'none'\n" |
a1331cc4 | 1172 | " not '%s'\n", optarg); |
1e0d770c | 1173 | exit(2); |
c82f047c | 1174 | |
997aed5d NB |
1175 | case O(GROW,BitmapChunk): |
1176 | case O(BUILD,BitmapChunk): | |
1177 | case O(CREATE,BitmapChunk): /* bitmap chunksize */ | |
e705e81b | 1178 | s.bitmap_chunk = parse_size(optarg); |
822e393a N |
1179 | if (s.bitmap_chunk == 0 || |
1180 | s.bitmap_chunk == INVALID_SECTORS || | |
e705e81b | 1181 | s.bitmap_chunk & (s.bitmap_chunk - 1)) { |
e7b84f9d N |
1182 | pr_err("invalid bitmap chunksize: %s\n", |
1183 | optarg); | |
c82f047c NB |
1184 | exit(2); |
1185 | } | |
e705e81b | 1186 | s.bitmap_chunk = s.bitmap_chunk * 512; |
c82f047c | 1187 | continue; |
dfd4d8ee | 1188 | |
7d19ad0d | 1189 | case O(GROW, WriteBehind): |
997aed5d NB |
1190 | case O(BUILD, WriteBehind): |
1191 | case O(CREATE, WriteBehind): /* write-behind mode */ | |
e705e81b | 1192 | s.write_behind = DEFAULT_MAX_WRITE_BEHIND; |
dfd4d8ee | 1193 | if (optarg) { |
e705e81b N |
1194 | s.write_behind = parse_num(optarg); |
1195 | if (s.write_behind < 0 || | |
1196 | s.write_behind > 16383) { | |
e7b84f9d | 1197 | pr_err("Invalid value for maximum outstanding write-behind writes: %s.\n\tMust be between 0 and 16383.\n", optarg); |
dfd4d8ee NB |
1198 | exit(2); |
1199 | } | |
1200 | } | |
1201 | continue; | |
8382f19b NB |
1202 | |
1203 | case O(INCREMENTAL, 'r'): | |
1c7a808c | 1204 | case O(INCREMENTAL, RebuildMapOpt): |
8382f19b NB |
1205 | rebuild_map = 1; |
1206 | continue; | |
950bc344 PC |
1207 | case O(INCREMENTAL, IncrementalPath): |
1208 | remove_path = optarg; | |
1209 | continue; | |
cc1799c3 SL |
1210 | case O(CREATE, WriteJournal): |
1211 | if (s.journaldisks) { | |
1212 | pr_err("Please specify only one journal device for the array.\n"); | |
1213 | pr_err("Ignoring --write-journal %s...\n", optarg); | |
1214 | continue; | |
1215 | } | |
1216 | dv = xmalloc(sizeof(*dv)); | |
1217 | dv->devname = optarg; | |
1218 | dv->disposition = 'j'; /* WriteJournal */ | |
1219 | dv->used = 0; | |
1220 | dv->next = NULL; | |
1221 | *devlistend = dv; | |
1222 | devlistend = &dv->next; | |
1223 | devs_found++; | |
1224 | ||
1225 | s.journaldisks = 1; | |
1226 | continue; | |
5308f117 | 1227 | case O(CREATE, 'k'): |
860f11ed | 1228 | case O(GROW, 'k'): |
5308f117 AP |
1229 | s.consistency_policy = map_name(consistency_policies, |
1230 | optarg); | |
1231 | if (s.consistency_policy == UnSet || | |
1232 | s.consistency_policy < CONSISTENCY_POLICY_RESYNC) { | |
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 NB |
1244 | long_options[option_index].name, |
1245 | map_num(modes, mode)); | |
1246 | else | |
e7b84f9d | 1247 | pr_err("option -%c not valid in %s mode\n", |
06b0d786 | 1248 | opt, map_num(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 | } | |
1270 | if (s.consistency_policy != UnSet && | |
1271 | s.consistency_policy != CONSISTENCY_POLICY_JOURNAL) { | |
1272 | pr_err("--write-journal is not supported with consistency policy: %s\n", | |
1273 | map_num(consistency_policies, s.consistency_policy)); | |
1274 | exit(2); | |
1275 | } | |
1276 | } | |
1277 | ||
1278 | if (mode == CREATE && s.consistency_policy != UnSet) { | |
1279 | if (s.level <= 0) { | |
1280 | pr_err("--consistency-policy not meaningful with level %s.\n", | |
1281 | map_num(pers, s.level)); | |
1282 | exit(2); | |
1283 | } else if (s.consistency_policy == CONSISTENCY_POLICY_JOURNAL && | |
1284 | !s.journaldisks) { | |
1285 | pr_err("--write-journal is required for consistency policy: %s\n", | |
1286 | map_num(consistency_policies, s.consistency_policy)); | |
1287 | exit(2); | |
1288 | } else if (s.consistency_policy == CONSISTENCY_POLICY_PPL && | |
1289 | s.level != 5) { | |
1290 | pr_err("PPL consistency policy is only supported for RAID level 5.\n"); | |
1291 | exit(2); | |
1292 | } else if (s.consistency_policy == CONSISTENCY_POLICY_BITMAP && | |
1293 | (!s.bitmap_file || | |
1294 | strcmp(s.bitmap_file, "none") == 0)) { | |
1295 | pr_err("--bitmap is required for consistency policy: %s\n", | |
1296 | map_num(consistency_policies, s.consistency_policy)); | |
1297 | exit(2); | |
1298 | } else if (s.bitmap_file && | |
1299 | strcmp(s.bitmap_file, "none") != 0 && | |
1300 | s.consistency_policy != CONSISTENCY_POLICY_BITMAP && | |
1301 | s.consistency_policy != CONSISTENCY_POLICY_JOURNAL) { | |
1302 | pr_err("--bitmap is not compatible with consistency policy: %s\n", | |
1303 | map_num(consistency_policies, s.consistency_policy)); | |
1304 | exit(2); | |
1305 | } | |
cc1799c3 SL |
1306 | } |
1307 | ||
0320ea45 NB |
1308 | if (!mode && devs_found) { |
1309 | mode = MISC; | |
1310 | devmode = 'Q'; | |
1311 | if (devlist->disposition == 0) | |
1312 | devlist->disposition = devmode; | |
1313 | } | |
52826846 NB |
1314 | if (!mode) { |
1315 | fputs(Usage, stderr); | |
64c4757e | 1316 | exit(2); |
64c4757e | 1317 | } |
38098016 NB |
1318 | |
1319 | if (symlinks) { | |
1320 | struct createinfo *ci = conf_get_create_info(); | |
1321 | ||
1322 | if (strcasecmp(symlinks, "yes") == 0) | |
1323 | ci->symlinks = 1; | |
1324 | else if (strcasecmp(symlinks, "no") == 0) | |
1325 | ci->symlinks = 0; | |
1326 | else { | |
e7b84f9d | 1327 | pr_err("option --symlinks must be 'no' or 'yes'\n"); |
38098016 NB |
1328 | exit(2); |
1329 | } | |
1330 | } | |
52826846 NB |
1331 | /* Ok, got the option parsing out of the way |
1332 | * hopefully it's mostly right but there might be some stuff | |
1333 | * missing | |
1334 | * | |
e93bb91b | 1335 | * That is mostly checked in the per-mode stuff but... |
52826846 | 1336 | * |
18361a1a N |
1337 | * For @,B,C and A without -s, the first device listed must be |
1338 | * an md device. We check that here and open it. | |
64c4757e | 1339 | */ |
52826846 | 1340 | |
9d1fbf65 JS |
1341 | if (mode == MANAGE || mode == BUILD || mode == CREATE || |
1342 | mode == GROW || (mode == ASSEMBLE && ! c.scan)) { | |
52826846 | 1343 | if (devs_found < 1) { |
e7b84f9d | 1344 | pr_err("an md device must be given in this mode\n"); |
52826846 NB |
1345 | exit(2); |
1346 | } | |
9e33d556 | 1347 | if ((int)ident.super_minor == -2 && c.autof) { |
e7b84f9d | 1348 | pr_err("--super-minor=dev is incompatible with --auto\n"); |
dd0781e5 NB |
1349 | exit(2); |
1350 | } | |
7f91af49 | 1351 | if (mode == MANAGE || mode == GROW) { |
6be1d39d | 1352 | mdfd = open_mddev(devlist->devname, 1); |
7f91af49 N |
1353 | if (mdfd < 0) |
1354 | exit(1); | |
1355 | } else | |
1356 | /* non-existent device is OK */ | |
1357 | mdfd = open_mddev(devlist->devname, 0); | |
1358 | if (mdfd == -2) { | |
7a862a02 | 1359 | pr_err("device %s exists but is not an md array.\n", devlist->devname); |
52826846 | 1360 | exit(1); |
7f91af49 | 1361 | } |
98c6faba | 1362 | if ((int)ident.super_minor == -2) { |
d013a55e | 1363 | struct stat stb; |
7f91af49 | 1364 | if (mdfd < 0) { |
7a862a02 | 1365 | pr_err("--super-minor=dev given, and listed device %s doesn't exist.\n", |
7f91af49 N |
1366 | devlist->devname); |
1367 | exit(1); | |
1368 | } | |
d013a55e | 1369 | fstat(mdfd, &stb); |
0df46c2a | 1370 | ident.super_minor = minor(stb.st_rdev); |
d013a55e | 1371 | } |
7f91af49 N |
1372 | if (mdfd >= 0 && mode != MANAGE && mode != GROW) { |
1373 | /* We don't really want this open yet, we just might | |
1374 | * have wanted to check some things | |
1375 | */ | |
1376 | close(mdfd); | |
1377 | mdfd = -1; | |
1378 | } | |
64c4757e | 1379 | } |
52826846 | 1380 | |
e705e81b N |
1381 | if (s.raiddisks) { |
1382 | if (s.raiddisks == 1 && !c.force && s.level != LEVEL_FAULTY) { | |
e7b84f9d | 1383 | pr_err("'1' is an unusual number of drives for an array, so it is probably\n" |
e4c4352e NB |
1384 | " a mistake. If you really mean it you will need to specify --force before\n" |
1385 | " setting the number of drives.\n"); | |
1386 | exit(2); | |
1387 | } | |
1388 | } | |
c82f047c | 1389 | |
86b77ddf | 1390 | if (c.homehost == NULL && c.require_homehost) |
9e33d556 | 1391 | c.homehost = conf_get_homehost(&c.require_homehost); |
9d1fbf65 | 1392 | if (c.homehost == NULL || strcasecmp(c.homehost, "<system>") == 0) { |
05697ec1 NB |
1393 | if (gethostname(sys_hostname, sizeof(sys_hostname)) == 0) { |
1394 | sys_hostname[sizeof(sys_hostname)-1] = 0; | |
9e33d556 | 1395 | c.homehost = sys_hostname; |
05697ec1 NB |
1396 | } |
1397 | } | |
9d1fbf65 JS |
1398 | if (c.homehost && |
1399 | (!c.homehost[0] || strcasecmp(c.homehost, "<none>") == 0)) { | |
9e33d556 N |
1400 | c.homehost = NULL; |
1401 | c.require_homehost = 0; | |
0f23aa88 | 1402 | } |
997aed5d | 1403 | |
380487fd | 1404 | rv = 0; |
e80357f8 GJ |
1405 | |
1406 | set_hooks(); /* set hooks from libs */ | |
1407 | ||
7716570e GJ |
1408 | if (c.homecluster == NULL && (c.nodes > 0)) { |
1409 | c.homecluster = conf_get_homecluster(); | |
1410 | if (c.homecluster == NULL) | |
1411 | rv = get_cluster_name(&c.homecluster); | |
380487fd | 1412 | if (rv) { |
7716570e GJ |
1413 | pr_err("The md can't get cluster name\n"); |
1414 | exit(1); | |
1415 | } | |
1416 | } | |
1417 | ||
8192902f N |
1418 | if (c.backup_file && data_offset != INVALID_SECTORS) { |
1419 | pr_err("--backup-file and --data-offset are incompatible\n"); | |
1420 | exit(2); | |
1421 | } | |
1422 | ||
9d1fbf65 JS |
1423 | if ((mode == MISC && devmode == 'E') || |
1424 | (mode == MONITOR && spare_sharing == 0)) | |
18361a1a N |
1425 | /* Anyone may try this */; |
1426 | else if (geteuid() != 0) { | |
e7b84f9d | 1427 | pr_err("must be super-user to perform this action\n"); |
ac5678dd N |
1428 | exit(1); |
1429 | } | |
1430 | ||
9e33d556 | 1431 | ident.autof = c.autof; |
7f91af49 | 1432 | |
265460ab N |
1433 | if (c.scan && c.verbose < 2) |
1434 | /* --scan implied --brief unless -vv */ | |
1435 | c.brief = 1; | |
1436 | ||
52826846 | 1437 | switch(mode) { |
e0d19036 | 1438 | case MANAGE: |
52826846 | 1439 | /* readonly, add/remove, readwrite, runstop */ |
9e33d556 N |
1440 | if (c.readonly > 0) |
1441 | rv = Manage_ro(devlist->devname, mdfd, c.readonly); | |
52826846 | 1442 | if (!rv && devs_found>1) |
cd29a5c8 | 1443 | rv = Manage_subdevs(devlist->devname, mdfd, |
0937132d | 1444 | devlist->next, c.verbose, c.test, |
9e33d556 N |
1445 | c.update, c.force); |
1446 | if (!rv && c.readonly < 0) | |
1447 | rv = Manage_ro(devlist->devname, mdfd, c.readonly); | |
fe7e0e64 | 1448 | if (!rv && c.runstop > 0) |
d5a40416 | 1449 | rv = Manage_run(devlist->devname, mdfd, &c); |
fe7e0e64 N |
1450 | if (!rv && c.runstop < 0) |
1451 | rv = Manage_stop(devlist->devname, mdfd, c.verbose, 0); | |
52826846 | 1452 | break; |
e0d19036 | 1453 | case ASSEMBLE: |
d013a55e | 1454 | if (devs_found == 1 && ident.uuid_set == 0 && |
9d1fbf65 JS |
1455 | ident.super_minor == UnSet && ident.name[0] == 0 && |
1456 | !c.scan ) { | |
d013a55e | 1457 | /* Only a device has been given, so get details from config file */ |
fa56eddb | 1458 | struct mddev_ident *array_ident = conf_get_ident(devlist->devname); |
b5e64645 | 1459 | if (array_ident == NULL) { |
e7b84f9d | 1460 | pr_err("%s not identified in config file.\n", |
b5e64645 | 1461 | devlist->devname); |
d013a55e | 1462 | rv |= 1; |
7f91af49 N |
1463 | if (mdfd >= 0) |
1464 | close(mdfd); | |
b5e64645 | 1465 | } else { |
7f91af49 | 1466 | if (array_ident->autof == 0) |
9e33d556 | 1467 | array_ident->autof = c.autof; |
7f91af49 | 1468 | rv |= Assemble(ss, devlist->devname, array_ident, |
4977146a | 1469 | NULL, &c); |
d013a55e | 1470 | } |
9e33d556 | 1471 | } else if (!c.scan) |
7f91af49 | 1472 | rv = Assemble(ss, devlist->devname, &ident, |
4977146a | 1473 | devlist->next, &c); |
18361a1a | 1474 | else if (devs_found > 0) { |
9e33d556 | 1475 | if (c.update && devs_found > 1) { |
e7b84f9d | 1476 | pr_err("can only update a single array at a time\n"); |
5787fa49 NB |
1477 | exit(1); |
1478 | } | |
9e33d556 | 1479 | if (c.backup_file && devs_found > 1) { |
e7b84f9d | 1480 | pr_err("can only assemble a single array when providing a backup file.\n"); |
06b0d786 NB |
1481 | exit(1); |
1482 | } | |
8ea98217 | 1483 | for (dv = devlist; dv; dv = dv->next) { |
fa56eddb | 1484 | struct mddev_ident *array_ident = conf_get_ident(dv->devname); |
52826846 | 1485 | if (array_ident == NULL) { |
e7b84f9d | 1486 | pr_err("%s not identified in config file.\n", |
cd29a5c8 | 1487 | dv->devname); |
52826846 NB |
1488 | rv |= 1; |
1489 | continue; | |
1490 | } | |
7f91af49 | 1491 | if (array_ident->autof == 0) |
9e33d556 | 1492 | array_ident->autof = c.autof; |
7f91af49 | 1493 | rv |= Assemble(ss, dv->devname, array_ident, |
4977146a | 1494 | NULL, &c); |
52826846 | 1495 | } |
5787fa49 | 1496 | } else { |
9e33d556 | 1497 | if (c.update) { |
e7b84f9d | 1498 | pr_err("--update not meaningful with a --scan assembly.\n"); |
da6b5ca9 NB |
1499 | exit(1); |
1500 | } | |
9e33d556 | 1501 | if (c.backup_file) { |
e7b84f9d | 1502 | pr_err("--backup_file not meaningful with a --scan assembly.\n"); |
da6b5ca9 NB |
1503 | exit(1); |
1504 | } | |
4977146a | 1505 | rv = scan_assemble(ss, &c, &ident); |
52826846 | 1506 | } |
3cbc4d12 | 1507 | |
52826846 | 1508 | break; |
e0d19036 | 1509 | case BUILD: |
9e33d556 N |
1510 | if (c.delay == 0) |
1511 | c.delay = DEFAULT_BITMAP_DELAY; | |
e705e81b | 1512 | if (s.write_behind && !s.bitmap_file) { |
e7b84f9d | 1513 | pr_err("write-behind mode requires a bitmap.\n"); |
dfd4d8ee NB |
1514 | rv = 1; |
1515 | break; | |
1516 | } | |
e705e81b | 1517 | if (s.raiddisks == 0) { |
e7b84f9d | 1518 | pr_err("no raid-devices specified.\n"); |
5b28bd56 NB |
1519 | rv = 1; |
1520 | break; | |
1521 | } | |
dfd4d8ee | 1522 | |
e705e81b | 1523 | if (s.bitmap_file) { |
9d1fbf65 | 1524 | if (strcmp(s.bitmap_file, "internal") == 0 || |
6d9c7c25 GR |
1525 | strcmp(s.bitmap_file, "clustered") == 0) { |
1526 | pr_err("'internal' and 'clustered' bitmaps not supported with --build\n"); | |
55935d51 NB |
1527 | rv |= 1; |
1528 | break; | |
1529 | } | |
c82f047c | 1530 | } |
a4e8316a | 1531 | rv = Build(devlist->devname, devlist->next, &s, &c); |
52826846 | 1532 | break; |
e0d19036 | 1533 | case CREATE: |
9e33d556 N |
1534 | if (c.delay == 0) |
1535 | c.delay = DEFAULT_BITMAP_DELAY; | |
529e2aa5 GJ |
1536 | |
1537 | if (c.nodes) { | |
9d1fbf65 JS |
1538 | if (!s.bitmap_file || |
1539 | strcmp(s.bitmap_file, "clustered") != 0) { | |
529e2aa5 GJ |
1540 | pr_err("--nodes argument only compatible with --bitmap=clustered\n"); |
1541 | rv = 1; | |
1542 | break; | |
1543 | } | |
1544 | ||
1545 | if (s.level != 1) { | |
1546 | pr_err("--bitmap=clustered is currently supported with RAID mirror only\n"); | |
1547 | rv = 1; | |
1548 | break; | |
1549 | } | |
1550 | } | |
1551 | ||
e705e81b | 1552 | if (s.write_behind && !s.bitmap_file) { |
e7b84f9d | 1553 | pr_err("write-behind mode requires a bitmap.\n"); |
dfd4d8ee NB |
1554 | rv = 1; |
1555 | break; | |
1556 | } | |
e705e81b | 1557 | if (s.raiddisks == 0) { |
e7b84f9d | 1558 | pr_err("no raid-devices specified.\n"); |
5b28bd56 NB |
1559 | rv = 1; |
1560 | break; | |
1561 | } | |
f9ce90ba | 1562 | |
99cc42f4 N |
1563 | rv = Create(ss, devlist->devname, |
1564 | ident.name, ident.uuid_set ? ident.uuid : NULL, | |
171dccc8 | 1565 | devs_found-1, devlist->next, |
40c9a66a | 1566 | &s, &c, data_offset); |
52826846 | 1567 | break; |
e0d19036 | 1568 | case MISC: |
e0d19036 | 1569 | if (devmode == 'E') { |
9e33d556 | 1570 | if (devlist == NULL && !c.scan) { |
e7b84f9d | 1571 | pr_err("No devices to examine\n"); |
e0d19036 NB |
1572 | exit(2); |
1573 | } | |
1574 | if (devlist == NULL) | |
8aec876d | 1575 | devlist = conf_get_devs(); |
e0d19036 | 1576 | if (devlist == NULL) { |
e7b84f9d | 1577 | pr_err("No devices listed in %s\n", configfile?configfile:DefaultConfFile); |
e0d19036 NB |
1578 | exit(1); |
1579 | } | |
eec3f887 | 1580 | rv = Examine(devlist, &c, ss); |
4cce4069 | 1581 | } else if (devmode == DetailPlatform) { |
9eafa1de MN |
1582 | rv = Detail_Platform(ss ? ss->ss : NULL, ss ? c.scan : 1, |
1583 | c.verbose, c.export, | |
1584 | devlist ? devlist->devname : NULL); | |
7d27d1c0 | 1585 | } else if (devlist == NULL) { |
9e33d556 | 1586 | if (devmode == 'S' && c.scan) |
0937132d | 1587 | rv = stop_scan(c.verbose); |
9d1fbf65 JS |
1588 | else if ((devmode == 'D' || devmode == Waitclean) && |
1589 | c.scan) | |
ef898ce6 | 1590 | rv = misc_scan(devmode, &c); |
7d27d1c0 N |
1591 | else if (devmode == UdevRules) |
1592 | rv = Write_rules(udev_filename); | |
1593 | else { | |
e7b84f9d | 1594 | pr_err("No devices given.\n"); |
7d27d1c0 | 1595 | exit(2); |
e0d19036 | 1596 | } |
7d27d1c0 | 1597 | } else |
74db60b0 | 1598 | rv = misc_list(devlist, &ident, dump_directory, ss, &c); |
9a9dab36 | 1599 | break; |
e0d19036 | 1600 | case MONITOR: |
9e33d556 | 1601 | if (!devlist && !c.scan) { |
e7b84f9d | 1602 | pr_err("Cannot monitor: need --scan or at least one device\n"); |
e0d19036 NB |
1603 | rv = 1; |
1604 | break; | |
1605 | } | |
b5e64645 | 1606 | if (pidfile && !daemonise) { |
e7b84f9d | 1607 | pr_err("Cannot write a pid file when not in daemon mode\n"); |
b5e64645 NB |
1608 | rv = 1; |
1609 | break; | |
1610 | } | |
9e33d556 | 1611 | if (c.delay == 0) { |
3e82d76d | 1612 | if (get_linux_version() > 2006016) |
ddc7201f | 1613 | /* mdstat responds to poll */ |
9e33d556 | 1614 | c.delay = 1000; |
ddc7201f | 1615 | else |
9e33d556 | 1616 | c.delay = 60; |
ddc7201f | 1617 | } |
8ea98217 JS |
1618 | rv = Monitor(devlist, mailaddr, program, |
1619 | &c, daemonise, oneshot, | |
1620 | dosyslog, pidfile, increments, | |
1621 | spare_sharing); | |
9a9dab36 | 1622 | break; |
dd0781e5 NB |
1623 | |
1624 | case GROW: | |
a93f8c65 | 1625 | if (array_size > 0) { |
84e11361 N |
1626 | /* alway impose array size first, independent of |
1627 | * anything else | |
9ce510be N |
1628 | * Do not allow level or raid_disks changes at the |
1629 | * same time as that can be irreversibly destructive. | |
84e11361 N |
1630 | */ |
1631 | struct mdinfo sra; | |
1632 | int err; | |
e705e81b | 1633 | if (s.raiddisks || s.level != UnSet) { |
7a862a02 | 1634 | pr_err("cannot change array size in same operation as changing raiddisks or level.\n" |
9ce510be N |
1635 | " Change size first, then check that data is still intact.\n"); |
1636 | rv = 1; | |
1637 | break; | |
1638 | } | |
dae13137 JS |
1639 | if (sysfs_init(&sra, mdfd, NULL)) { |
1640 | rv = 1; | |
1641 | break; | |
1642 | } | |
a93f8c65 | 1643 | if (array_size == MAX_SIZE) |
84e11361 N |
1644 | err = sysfs_set_str(&sra, NULL, "array_size", "default"); |
1645 | else | |
1646 | err = sysfs_set_num(&sra, NULL, "array_size", array_size / 2); | |
1647 | if (err < 0) { | |
1648 | if (errno == E2BIG) | |
7a862a02 | 1649 | pr_err("--array-size setting is too large.\n"); |
84e11361 | 1650 | else |
7a862a02 | 1651 | pr_err("current kernel does not support setting --array-size\n"); |
84e11361 N |
1652 | rv = 1; |
1653 | break; | |
1654 | } | |
1655 | } | |
1c8b90df | 1656 | if (devs_found > 1 && s.raiddisks == 0 && s.level == UnSet) { |
e5329c37 | 1657 | /* must be '-a'. */ |
9d1fbf65 JS |
1658 | if (s.size > 0 || s.chunk || |
1659 | s.layout_str || s.bitmap_file) { | |
7a862a02 | 1660 | pr_err("--add cannot be used with other geometry changes in --grow mode\n"); |
e5329c37 NB |
1661 | rv = 1; |
1662 | break; | |
1663 | } | |
8ea98217 | 1664 | for (dv = devlist->next; dv; dv = dv->next) { |
e2e53a2d N |
1665 | rv = Grow_Add_device(devlist->devname, mdfd, |
1666 | dv->devname); | |
e5329c37 NB |
1667 | if (rv) |
1668 | break; | |
1669 | } | |
e705e81b N |
1670 | } else if (s.bitmap_file) { |
1671 | if (s.size > 0 || s.raiddisks || s.chunk || | |
9d1fbf65 | 1672 | s.layout_str || devs_found > 1) { |
7a862a02 | 1673 | pr_err("--bitmap changes cannot be used with other geometry changes in --grow mode\n"); |
7236ee7a N |
1674 | rv = 1; |
1675 | break; | |
1676 | } | |
9e33d556 N |
1677 | if (c.delay == 0) |
1678 | c.delay = DEFAULT_BITMAP_DELAY; | |
50f01ba5 | 1679 | rv = Grow_addbitmap(devlist->devname, mdfd, &c, &s); |
2dddadb0 AK |
1680 | } else if (grow_continue) |
1681 | rv = Grow_continue_command(devlist->devname, | |
9e33d556 | 1682 | mdfd, c.backup_file, |
0937132d | 1683 | c.verbose); |
9d1fbf65 JS |
1684 | else if (s.size > 0 || s.raiddisks || s.layout_str || |
1685 | s.chunk != 0 || s.level != UnSet || | |
1686 | data_offset != INVALID_SECTORS) { | |
32754b7d | 1687 | rv = Grow_reshape(devlist->devname, mdfd, |
40c9a66a N |
1688 | devlist->next, |
1689 | data_offset, &c, &s); | |
860f11ed AP |
1690 | } else if (s.consistency_policy != UnSet) { |
1691 | rv = Grow_consistency_policy(devlist->devname, mdfd, &c, &s); | |
a93f8c65 | 1692 | } else if (array_size == 0) |
e7b84f9d | 1693 | pr_err("no changes to --grow\n"); |
dd0781e5 | 1694 | break; |
8382f19b NB |
1695 | case INCREMENTAL: |
1696 | if (rebuild_map) { | |
1697 | RebuildMap(); | |
1698 | } | |
9e33d556 | 1699 | if (c.scan) { |
9eaf410f N |
1700 | rv = 1; |
1701 | if (devlist) { | |
1702 | pr_err("In --incremental mode, a device cannot be given with --scan.\n"); | |
1703 | break; | |
1704 | } | |
9e33d556 | 1705 | if (c.runstop <= 0) { |
e7b84f9d | 1706 | pr_err("--incremental --scan meaningless without --run.\n"); |
8382f19b NB |
1707 | break; |
1708 | } | |
29ba4804 | 1709 | if (devmode == 'f') { |
e7b84f9d | 1710 | pr_err("--incremental --scan --fail not supported.\n"); |
29ba4804 N |
1711 | break; |
1712 | } | |
d5a40416 | 1713 | rv = IncrementalScan(&c, NULL); |
8382f19b NB |
1714 | } |
1715 | if (!devlist) { | |
9e33d556 | 1716 | if (!rebuild_map && !c.scan) { |
e7b84f9d | 1717 | pr_err("--incremental requires a device.\n"); |
8382f19b NB |
1718 | rv = 1; |
1719 | } | |
1720 | break; | |
1721 | } | |
b11fe74d N |
1722 | if (devmode == 'f') { |
1723 | if (devlist->next) { | |
1724 | pr_err("'--incremental --fail' can only handle one device.\n"); | |
1725 | rv = 1; | |
1726 | break; | |
1727 | } | |
950bc344 | 1728 | rv = IncrementalRemove(devlist->devname, remove_path, |
0937132d | 1729 | c.verbose); |
b11fe74d N |
1730 | } else |
1731 | rv = Incremental(devlist, &c, ss); | |
1f48664b NB |
1732 | break; |
1733 | case AUTODETECT: | |
1734 | autodetect(); | |
1735 | break; | |
64c4757e | 1736 | } |
52826846 | 1737 | exit(rv); |
64c4757e | 1738 | } |
3cbc4d12 | 1739 | |
4977146a N |
1740 | static int scan_assemble(struct supertype *ss, |
1741 | struct context *c, | |
1742 | struct mddev_ident *ident) | |
3cbc4d12 N |
1743 | { |
1744 | struct mddev_ident *a, *array_list = conf_get_ident(NULL); | |
1745 | struct mddev_dev *devlist = conf_get_devs(); | |
1746 | struct map_ent *map = NULL; | |
1747 | int cnt = 0; | |
1748 | int rv = 0; | |
1749 | int failures, successes; | |
1750 | ||
1751 | if (conf_verify_devnames(array_list)) { | |
7a862a02 | 1752 | pr_err("Duplicate MD device names in conf file were found.\n"); |
3cbc4d12 N |
1753 | return 1; |
1754 | } | |
1755 | if (devlist == NULL) { | |
e7b84f9d | 1756 | pr_err("No devices listed in conf file were found.\n"); |
3cbc4d12 N |
1757 | return 1; |
1758 | } | |
8ea98217 | 1759 | for (a = array_list; a; a = a->next) { |
3cbc4d12 N |
1760 | a->assembled = 0; |
1761 | if (a->autof == 0) | |
4977146a | 1762 | a->autof = c->autof; |
3cbc4d12 N |
1763 | } |
1764 | if (map_lock(&map)) | |
1ade5cc1 | 1765 | pr_err("failed to get exclusive lock on mapfile\n"); |
3cbc4d12 N |
1766 | do { |
1767 | failures = 0; | |
1768 | successes = 0; | |
1769 | rv = 0; | |
8ea98217 | 1770 | for (a = array_list; a; a = a->next) { |
3cbc4d12 N |
1771 | int r; |
1772 | if (a->assembled) | |
1773 | continue; | |
1774 | if (a->devname && | |
1775 | strcasecmp(a->devname, "<ignore>") == 0) | |
1776 | continue; | |
1011e834 | 1777 | |
3cbc4d12 | 1778 | r = Assemble(ss, a->devname, |
4977146a | 1779 | a, NULL, c); |
3cbc4d12 N |
1780 | if (r == 0) { |
1781 | a->assembled = 1; | |
1782 | successes++; | |
1783 | } else | |
1784 | failures++; | |
1785 | rv |= r; | |
1786 | cnt++; | |
1787 | } | |
1788 | } while (failures && successes); | |
4977146a | 1789 | if (c->homehost && cnt == 0) { |
3cbc4d12 N |
1790 | /* Maybe we can auto-assemble something. |
1791 | * Repeatedly call Assemble in auto-assemble mode | |
1792 | * until it fails | |
1793 | */ | |
1794 | int rv2; | |
1795 | int acnt; | |
4977146a | 1796 | ident->autof = c->autof; |
3cbc4d12 N |
1797 | do { |
1798 | struct mddev_dev *devlist = conf_get_devs(); | |
1799 | acnt = 0; | |
1800 | do { | |
1801 | rv2 = Assemble(ss, NULL, | |
1802 | ident, | |
4977146a | 1803 | devlist, c); |
9d1fbf65 | 1804 | if (rv2 == 0) { |
3cbc4d12 N |
1805 | cnt++; |
1806 | acnt++; | |
1807 | } | |
9d1fbf65 | 1808 | } while (rv2 != 2); |
3cbc4d12 N |
1809 | /* Incase there are stacked devices, we need to go around again */ |
1810 | } while (acnt); | |
1811 | if (cnt == 0 && rv == 0) { | |
e7b84f9d | 1812 | pr_err("No arrays found in config file or automatically\n"); |
3cbc4d12 N |
1813 | rv = 1; |
1814 | } else if (cnt) | |
1815 | rv = 0; | |
1816 | } else if (cnt == 0 && rv == 0) { | |
e7b84f9d | 1817 | pr_err("No arrays found in config file\n"); |
3cbc4d12 N |
1818 | rv = 1; |
1819 | } | |
1820 | map_unlock(&map); | |
1821 | return rv; | |
1822 | } | |
7d27d1c0 | 1823 | |
ef898ce6 | 1824 | static int misc_scan(char devmode, struct context *c) |
7d27d1c0 N |
1825 | { |
1826 | /* apply --detail or --wait-clean to | |
1827 | * all devices in /proc/mdstat | |
1828 | */ | |
1829 | struct mdstat_ent *ms = mdstat_read(0, 1); | |
1830 | struct mdstat_ent *e; | |
1831 | struct map_ent *map = NULL; | |
1832 | int members; | |
7d27d1c0 N |
1833 | int rv = 0; |
1834 | ||
1835 | for (members = 0; members <= 1; members++) { | |
8ea98217 | 1836 | for (e = ms; e; e = e->next) { |
743eaf8b | 1837 | char *name = NULL; |
7d27d1c0 | 1838 | struct map_ent *me; |
743eaf8b | 1839 | struct stat stb; |
7d27d1c0 N |
1840 | int member = e->metadata_version && |
1841 | strncmp(e->metadata_version, | |
1842 | "external:/", 10) == 0; | |
1843 | if (members != member) | |
1844 | continue; | |
4dd2df09 | 1845 | me = map_by_devnm(&map, e->devnm); |
7d27d1c0 N |
1846 | if (me && me->path |
1847 | && strcmp(me->path, "/unknown") != 0) | |
1848 | name = me->path; | |
9d1fbf65 | 1849 | if (name == NULL || stat(name, &stb) != 0) |
4dd2df09 | 1850 | name = get_md_name(e->devnm); |
7d27d1c0 N |
1851 | |
1852 | if (!name) { | |
e7b84f9d | 1853 | pr_err("cannot find device file for %s\n", |
9581efb1 | 1854 | e->devnm); |
7d27d1c0 N |
1855 | continue; |
1856 | } | |
1857 | if (devmode == 'D') | |
ef898ce6 | 1858 | rv |= Detail(name, c); |
7d27d1c0 | 1859 | else |
ef898ce6 | 1860 | rv |= WaitClean(name, -1, c->verbose); |
7d27d1c0 N |
1861 | put_md_name(name); |
1862 | } | |
1863 | } | |
1864 | free_mdstat(ms); | |
1865 | return rv; | |
1866 | } | |
1867 | ||
ba728be7 | 1868 | static int stop_scan(int verbose) |
7d27d1c0 N |
1869 | { |
1870 | /* apply --stop to all devices in /proc/mdstat */ | |
1871 | /* Due to possible stacking of devices, repeat until | |
1872 | * nothing more can be stopped | |
1873 | */ | |
8ea98217 | 1874 | int progress = 1, err; |
7d27d1c0 N |
1875 | int last = 0; |
1876 | int rv = 0; | |
1877 | do { | |
1878 | struct mdstat_ent *ms = mdstat_read(0, 0); | |
1879 | struct mdstat_ent *e; | |
1880 | ||
1881 | if (!progress) last = 1; | |
1882 | progress = 0; err = 0; | |
8ea98217 | 1883 | for (e = ms; e; e = e->next) { |
4dd2df09 | 1884 | char *name = get_md_name(e->devnm); |
7d27d1c0 N |
1885 | int mdfd; |
1886 | ||
1887 | if (!name) { | |
e7b84f9d | 1888 | pr_err("cannot find device file for %s\n", |
9581efb1 | 1889 | e->devnm); |
7d27d1c0 N |
1890 | continue; |
1891 | } | |
1892 | mdfd = open_mddev(name, 1); | |
1893 | if (mdfd >= 0) { | |
fe7e0e64 | 1894 | if (Manage_stop(name, mdfd, verbose, !last)) |
7d27d1c0 N |
1895 | err = 1; |
1896 | else | |
1897 | progress = 1; | |
1898 | close(mdfd); | |
1899 | } | |
1900 | ||
1901 | put_md_name(name); | |
1902 | } | |
1903 | free_mdstat(ms); | |
1904 | } while (!last && err); | |
1905 | if (err) | |
1906 | rv |= 1; | |
1907 | return rv; | |
1908 | } | |
1909 | ||
1910 | static int misc_list(struct mddev_dev *devlist, | |
86da243f | 1911 | struct mddev_ident *ident, |
74db60b0 | 1912 | char *dump_directory, |
86da243f | 1913 | struct supertype *ss, struct context *c) |
7d27d1c0 N |
1914 | { |
1915 | struct mddev_dev *dv; | |
1916 | int rv = 0; | |
1917 | ||
8ea98217 | 1918 | for (dv = devlist; dv; dv = (rv & 16) ? NULL : dv->next) { |
5fbc1f15 | 1919 | int mdfd = -1; |
7d27d1c0 N |
1920 | |
1921 | switch(dv->disposition) { | |
1922 | case 'D': | |
ef898ce6 | 1923 | rv |= Detail(dv->devname, c); |
7d27d1c0 N |
1924 | continue; |
1925 | case KillOpt: /* Zero superblock */ | |
1926 | if (ss) | |
86da243f | 1927 | rv |= Kill(dv->devname, ss, c->force, c->verbose,0); |
7d27d1c0 | 1928 | else { |
86da243f | 1929 | int v = c->verbose; |
7d27d1c0 | 1930 | do { |
86da243f | 1931 | rv |= Kill(dv->devname, NULL, c->force, v, 0); |
ba728be7 | 1932 | v = -1; |
7d27d1c0 N |
1933 | } while (rv == 0); |
1934 | rv &= ~2; | |
1935 | } | |
1936 | continue; | |
1937 | case 'Q': | |
ed180996 JS |
1938 | rv |= Query(dv->devname); |
1939 | continue; | |
7d27d1c0 | 1940 | case 'X': |
ed180996 JS |
1941 | rv |= ExamineBitmap(dv->devname, c->brief, ss); |
1942 | continue; | |
6d388a88 | 1943 | case ExamineBB: |
ed180996 JS |
1944 | rv |= ExamineBadblocks(dv->devname, c->brief, ss); |
1945 | continue; | |
7d27d1c0 N |
1946 | case 'W': |
1947 | case WaitOpt: | |
ed180996 JS |
1948 | rv |= Wait(dv->devname); |
1949 | continue; | |
7d27d1c0 | 1950 | case Waitclean: |
ed180996 JS |
1951 | rv |= WaitClean(dv->devname, -1, c->verbose); |
1952 | continue; | |
7d27d1c0 | 1953 | case KillSubarray: |
86da243f | 1954 | rv |= Kill_subarray(dv->devname, c->subarray, c->verbose); |
7d27d1c0 N |
1955 | continue; |
1956 | case UpdateSubarray: | |
86da243f | 1957 | if (c->update == NULL) { |
e7b84f9d | 1958 | pr_err("-U/--update must be specified with --update-subarray\n"); |
7d27d1c0 N |
1959 | rv |= 1; |
1960 | continue; | |
1961 | } | |
86da243f N |
1962 | rv |= Update_subarray(dv->devname, c->subarray, |
1963 | c->update, ident, c->verbose); | |
7d27d1c0 | 1964 | continue; |
74db60b0 N |
1965 | case Dump: |
1966 | rv |= Dump_metadata(dv->devname, dump_directory, c, ss); | |
1967 | continue; | |
1968 | case Restore: | |
1969 | rv |= Restore_metadata(dv->devname, dump_directory, c, ss, | |
1970 | (dv == devlist && dv->next == NULL)); | |
1971 | continue; | |
a740cf64 N |
1972 | case Action: |
1973 | rv |= SetAction(dv->devname, c->action); | |
1974 | continue; | |
7d27d1c0 | 1975 | } |
13428e2e GK |
1976 | |
1977 | if (dv->devname[0] != '/') | |
1978 | mdfd = open_dev(dv->devname); | |
1979 | if (dv->devname[0] == '/' || mdfd < 0) | |
1980 | mdfd = open_mddev(dv->devname, 1); | |
1981 | ||
8ea98217 | 1982 | if (mdfd >= 0) { |
7d27d1c0 N |
1983 | switch(dv->disposition) { |
1984 | case 'R': | |
d5a40416 | 1985 | c->runstop = 1; |
ed180996 JS |
1986 | rv |= Manage_run(dv->devname, mdfd, c); |
1987 | break; | |
7d27d1c0 | 1988 | case 'S': |
ed180996 JS |
1989 | rv |= Manage_stop(dv->devname, mdfd, c->verbose, 0); |
1990 | break; | |
7d27d1c0 | 1991 | case 'o': |
ed180996 JS |
1992 | rv |= Manage_ro(dv->devname, mdfd, 1); |
1993 | break; | |
7d27d1c0 | 1994 | case 'w': |
ed180996 JS |
1995 | rv |= Manage_ro(dv->devname, mdfd, -1); |
1996 | break; | |
7d27d1c0 N |
1997 | } |
1998 | close(mdfd); | |
1999 | } else | |
2000 | rv |= 1; | |
2001 | } | |
2002 | return rv; | |
2003 | } | |
a740cf64 N |
2004 | |
2005 | int SetAction(char *dev, char *action) | |
2006 | { | |
2007 | int fd = open(dev, O_RDONLY); | |
2008 | struct mdinfo mdi; | |
dae13137 JS |
2009 | int retval; |
2010 | ||
a740cf64 N |
2011 | if (fd < 0) { |
2012 | pr_err("Couldn't open %s: %s\n", dev, strerror(errno)); | |
2013 | return 1; | |
2014 | } | |
dae13137 | 2015 | retval = sysfs_init(&mdi, fd, NULL); |
a740cf64 | 2016 | close(fd); |
dae13137 | 2017 | if (retval) { |
a740cf64 N |
2018 | pr_err("%s is no an md array\n", dev); |
2019 | return 1; | |
2020 | } | |
2021 | ||
2022 | if (sysfs_set_str(&mdi, NULL, "sync_action", action) < 0) { | |
2023 | pr_err("Count not set action for %s to %s: %s\n", | |
2024 | dev, action, strerror(errno)); | |
2025 | return 1; | |
2026 | } | |
2027 | return 0; | |
2028 | } |