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Commit | Line | Data |
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64c4757e | 1 | /* |
9a9dab36 | 2 | * mdadm - manage Linux "md" devices aka RAID arrays. |
64c4757e | 3 | * |
18361a1a | 4 | * Copyright (C) 2001-2012 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 | |
3cbc4d12 | 32 | |
4977146a N |
33 | static int scan_assemble(struct supertype *ss, |
34 | struct context *c, | |
35 | struct mddev_ident *ident); | |
ef898ce6 | 36 | static int misc_scan(char devmode, struct context *c); |
ba728be7 | 37 | static int stop_scan(int verbose); |
7d27d1c0 | 38 | static int misc_list(struct mddev_dev *devlist, |
86da243f | 39 | struct mddev_ident *ident, |
74db60b0 | 40 | char *dump_directory, |
86da243f | 41 | struct supertype *ss, struct context *c); |
7d27d1c0 | 42 | |
3cbc4d12 | 43 | |
52826846 NB |
44 | int main(int argc, char *argv[]) |
45 | { | |
e0d19036 | 46 | int mode = 0; |
52826846 | 47 | int opt; |
e0d19036 | 48 | int option_index; |
52826846 | 49 | int rv; |
f9ce90ba | 50 | int i; |
52826846 | 51 | |
a93f8c65 | 52 | unsigned long long array_size = 0; |
40c9a66a | 53 | unsigned long long data_offset = INVALID_SECTORS; |
fa56eddb | 54 | struct mddev_ident ident; |
52826846 | 55 | char *configfile = NULL; |
1c7a808c | 56 | int devmode = 0; |
c82f047c | 57 | int bitmap_fd = -1; |
a655e550 N |
58 | struct mddev_dev *devlist = NULL; |
59 | struct mddev_dev **devlistend = & devlist; | |
60 | struct mddev_dev *dv; | |
52826846 | 61 | int devs_found = 0; |
38098016 | 62 | char *symlinks = NULL; |
2dddadb0 | 63 | int grow_continue = 0; |
f1ae21c4 NB |
64 | /* autof indicates whether and how to create device node. |
65 | * bottom 3 bits are style. Rest (when shifted) are number of parts | |
66 | * 0 - unset | |
67 | * 1 - don't create (no) | |
68 | * 2 - if is_standard, then create (yes) | |
69 | * 3 - create as 'md' - reject is_standard mdp (md) | |
70 | * 4 - create as 'mdp' - reject is_standard md (mdp) | |
71 | * 5 - default to md if not is_standard (md in config file) | |
72 | * 6 - default to mdp if not is_standard (part, or mdp in config file) | |
73 | */ | |
9e33d556 N |
74 | struct context c = { |
75 | .require_homehost = 1, | |
76 | }; | |
e705e81b N |
77 | struct shape s = { |
78 | .level = UnSet, | |
79 | .layout = UnSet, | |
80 | .bitmap_chunk = UnSet, | |
81 | }; | |
52826846 | 82 | |
05697ec1 | 83 | char sys_hostname[256]; |
52826846 NB |
84 | char *mailaddr = NULL; |
85 | char *program = NULL; | |
9a36a9b7 | 86 | int increments = 20; |
d013a55e | 87 | int daemonise = 0; |
b5e64645 | 88 | char *pidfile = NULL; |
aa88f531 | 89 | int oneshot = 0; |
edde9560 | 90 | int spare_sharing = 1; |
82d9eba6 | 91 | struct supertype *ss = NULL; |
dfd4d8ee | 92 | int writemostly = 0; |
c06487ce | 93 | char *shortopt = short_options; |
773135f5 | 94 | int dosyslog = 0; |
8382f19b | 95 | int rebuild_map = 0; |
950bc344 | 96 | char *remove_path = NULL; |
20b60dcd | 97 | char *udev_filename = NULL; |
74db60b0 | 98 | char *dump_directory = NULL; |
52826846 | 99 | |
3d4064cc | 100 | int print_help = 0; |
0047d254 | 101 | FILE *outf; |
e5329c37 | 102 | |
52826846 NB |
103 | int mdfd = -1; |
104 | ||
dfe47e00 NB |
105 | srandom(time(0) ^ getpid()); |
106 | ||
52826846 | 107 | ident.uuid_set=0; |
98c6faba NB |
108 | ident.level = UnSet; |
109 | ident.raid_disks = UnSet; | |
110 | ident.super_minor= UnSet; | |
52826846 | 111 | ident.devices=0; |
a75f2fbc NB |
112 | ident.spare_group = NULL; |
113 | ident.autof = 0; | |
a825febc | 114 | ident.st = NULL; |
c82f047c | 115 | ident.bitmap_fd = -1; |
7ef02d01 | 116 | ident.bitmap_file = NULL; |
947fd4dd | 117 | ident.name[0] = 0; |
aef35714 N |
118 | ident.container = NULL; |
119 | ident.member = NULL; | |
52826846 | 120 | |
3e23ba9d JS |
121 | /* |
122 | * set first char of argv[0] to @. This is used by | |
123 | * systemd to signal that the task was launched from | |
124 | * initrd/initramfs and should be preserved during shutdown | |
125 | */ | |
126 | argv[0][0] = '@'; | |
127 | ||
e0d19036 NB |
128 | while ((option_index = -1) , |
129 | (opt=getopt_long(argc, argv, | |
c06487ce | 130 | shortopt, long_options, |
e0d19036 NB |
131 | &option_index)) != -1) { |
132 | int newmode = mode; | |
35904960 | 133 | /* firstly, some mode-independent options */ |
52826846 | 134 | switch(opt) { |
1c7a808c N |
135 | case HelpOptions: |
136 | print_help = 2; | |
137 | continue; | |
52826846 | 138 | case 'h': |
1c7a808c | 139 | print_help = 1; |
3d4064cc | 140 | continue; |
52826846 NB |
141 | |
142 | case 'V': | |
143 | fputs(Version, stderr); | |
144 | exit(0); | |
145 | ||
9e33d556 | 146 | case 'v': c.verbose++; |
52826846 NB |
147 | continue; |
148 | ||
0937132d | 149 | case 'q': c.verbose--; |
dab6685f NB |
150 | continue; |
151 | ||
c82f047c | 152 | case 'b': |
1c7a808c N |
153 | if (mode == ASSEMBLE || mode == BUILD || mode == CREATE |
154 | || mode == GROW || mode == INCREMENTAL | |
155 | || mode == MANAGE) | |
c82f047c | 156 | break; /* b means bitmap */ |
1c7a808c | 157 | case Brief: |
9e33d556 | 158 | c.brief = 1; |
cd29a5c8 NB |
159 | continue; |
160 | ||
9e33d556 | 161 | case 'Y': c.export++; |
54bad364 KS |
162 | continue; |
163 | ||
997aed5d | 164 | case HomeHost: |
0ac91628 | 165 | if (strcasecmp(optarg, "<ignore>") == 0) |
9e33d556 | 166 | c.require_homehost = 0; |
0ac91628 | 167 | else |
9e33d556 | 168 | c.homehost = optarg; |
997aed5d NB |
169 | continue; |
170 | ||
08ca2adf | 171 | case OffRootOpt: |
3e23ba9d | 172 | /* Silently ignore old option */ |
08ca2adf JS |
173 | continue; |
174 | ||
c2ecf5f6 | 175 | case Prefer: |
9e33d556 N |
176 | if (c.prefer) |
177 | free(c.prefer); | |
178 | if (asprintf(&c.prefer, "/%s/", optarg) <= 0) | |
179 | c.prefer = NULL; | |
c2ecf5f6 N |
180 | continue; |
181 | ||
e0d19036 NB |
182 | case ':': |
183 | case '?': | |
184 | fputs(Usage, stderr); | |
185 | exit(2); | |
186 | } | |
187 | /* second, figure out the mode. | |
188 | * Some options force the mode. Others | |
aba69144 | 189 | * set the mode if it isn't already |
e0d19036 NB |
190 | */ |
191 | ||
192 | switch(opt) { | |
1c7a808c | 193 | case ManageOpt: |
c06487ce | 194 | newmode = MANAGE; |
024768c4 | 195 | shortopt = short_bitmap_options; |
c06487ce | 196 | break; |
e0d19036 | 197 | case 'a': |
1c7a808c | 198 | case Add: |
e0d19036 | 199 | case 'r': |
1c7a808c | 200 | case Remove: |
70c55e36 N |
201 | case Replace: |
202 | case With: | |
e0d19036 | 203 | case 'f': |
1c7a808c | 204 | case Fail: |
41a3b72a | 205 | case ReAdd: /* re-add */ |
c06487ce NB |
206 | if (!mode) { |
207 | newmode = MANAGE; | |
024768c4 | 208 | shortopt = short_bitmap_options; |
c06487ce | 209 | } |
0320ea45 | 210 | break; |
e0d19036 | 211 | |
18361a1a N |
212 | case 'A': newmode = ASSEMBLE; |
213 | shortopt = short_bitmap_auto_options; | |
214 | break; | |
215 | case 'B': newmode = BUILD; | |
216 | shortopt = short_bitmap_auto_options; | |
217 | break; | |
218 | case 'C': newmode = CREATE; | |
219 | shortopt = short_bitmap_auto_options; | |
220 | break; | |
221 | case 'F': newmode = MONITOR; | |
222 | break; | |
024768c4 DL |
223 | case 'G': newmode = GROW; |
224 | shortopt = short_bitmap_options; | |
225 | break; | |
95b79df0 | 226 | case 'I': newmode = INCREMENTAL; |
18361a1a N |
227 | shortopt = short_bitmap_auto_options; |
228 | break; | |
1f48664b | 229 | case AutoDetect: |
5a53aeec JS |
230 | newmode = AUTODETECT; |
231 | break; | |
e0d19036 | 232 | |
1c7a808c | 233 | case MiscOpt: |
e0d19036 NB |
234 | case 'D': |
235 | case 'E': | |
c82f047c | 236 | case 'X': |
5a53aeec | 237 | case 'Q': |
6d388a88 | 238 | case ExamineBB: |
74db60b0 N |
239 | case Dump: |
240 | case Restore: | |
5a53aeec JS |
241 | newmode = MISC; |
242 | break; | |
243 | ||
e0d19036 NB |
244 | case 'R': |
245 | case 'S': | |
246 | case 'o': | |
247 | case 'w': | |
b90c0e9a | 248 | case 'W': |
1c7a808c | 249 | case WaitOpt: |
1770662b | 250 | case Waitclean: |
4cce4069 | 251 | case DetailPlatform: |
33414a01 | 252 | case KillSubarray: |
aa534678 | 253 | case UpdateSubarray: |
20b60dcd | 254 | case UdevRules: |
f7d3febc | 255 | case KillOpt: |
5a53aeec JS |
256 | if (!mode) |
257 | newmode = MISC; | |
258 | break; | |
259 | ||
260 | case NoSharing: | |
261 | newmode = MONITOR; | |
262 | break; | |
e0d19036 NB |
263 | } |
264 | if (mode && newmode == mode) { | |
265 | /* everybody happy ! */ | |
266 | } else if (mode && newmode != mode) { | |
267 | /* not allowed.. */ | |
e7b84f9d | 268 | pr_err(""); |
e0d19036 NB |
269 | if (option_index >= 0) |
270 | fprintf(stderr, "--%s", long_options[option_index].name); | |
271 | else | |
272 | fprintf(stderr, "-%c", opt); | |
e6b64cd0 | 273 | fprintf(stderr, " would set mdadm mode to \"%s\", but it is already set to \"%s\".\n", |
e0d19036 NB |
274 | map_num(modes, newmode), |
275 | map_num(modes, mode)); | |
276 | exit(2); | |
277 | } else if (!mode && newmode) { | |
278 | mode = newmode; | |
dec18cae | 279 | if (mode == MISC && devs_found) { |
e7b84f9d | 280 | pr_err("No action given for %s in --misc mode\n", |
dec18cae N |
281 | devlist->devname); |
282 | fprintf(stderr," Action options must come before device names\n"); | |
283 | exit(2); | |
284 | } | |
e0d19036 NB |
285 | } else { |
286 | /* special case of -c --help */ | |
1c7a808c | 287 | if ((opt == 'c' || opt == ConfigFile) && |
e0d19036 NB |
288 | ( strncmp(optarg, "--h", 3)==0 || |
289 | strncmp(optarg, "-h", 2)==0)) { | |
0047d254 | 290 | fputs(Help_config, stdout); |
e0d19036 | 291 | exit(0); |
cd29a5c8 | 292 | } |
0320ea45 NB |
293 | |
294 | /* If first option is a device, don't force the mode yet */ | |
295 | if (opt == 1) { | |
296 | if (devs_found == 0) { | |
503975b9 | 297 | dv = xmalloc(sizeof(*dv)); |
0320ea45 NB |
298 | dv->devname = optarg; |
299 | dv->disposition = devmode; | |
dfd4d8ee | 300 | dv->writemostly = writemostly; |
da6b5ca9 | 301 | dv->used = 0; |
0320ea45 NB |
302 | dv->next = NULL; |
303 | *devlistend = dv; | |
304 | devlistend = &dv->next; | |
aba69144 | 305 | |
0320ea45 NB |
306 | devs_found++; |
307 | continue; | |
308 | } | |
309 | /* No mode yet, and this is the second device ... */ | |
e7b84f9d | 310 | pr_err("An option must be given to set the mode before a second device\n" |
a1331cc4 | 311 | " (%s) is listed\n", optarg); |
0320ea45 NB |
312 | exit(2); |
313 | } | |
e0d19036 | 314 | if (option_index >= 0) |
e7b84f9d | 315 | pr_err("--%s", long_options[option_index].name); |
e0d19036 | 316 | else |
e7b84f9d | 317 | pr_err("-%c", opt); |
0320ea45 | 318 | fprintf(stderr, " does not set the mode, and so cannot be the first option.\n"); |
e0d19036 NB |
319 | exit(2); |
320 | } | |
321 | ||
322 | /* if we just set the mode, then done */ | |
323 | switch(opt) { | |
1c7a808c N |
324 | case ManageOpt: |
325 | case MiscOpt: | |
e0d19036 NB |
326 | case 'A': |
327 | case 'B': | |
328 | case 'C': | |
329 | case 'F': | |
dd0781e5 | 330 | case 'G': |
8382f19b | 331 | case 'I': |
1f48664b | 332 | case AutoDetect: |
e0d19036 NB |
333 | continue; |
334 | } | |
335 | if (opt == 1) { | |
9eafa1de | 336 | /* an undecorated option - must be a device name. |
e0d19036 | 337 | */ |
9eafa1de MN |
338 | |
339 | if (devs_found > 0 && devmode == DetailPlatform) { | |
340 | pr_err("controller may only be specified once. %s ignored\n", | |
341 | optarg); | |
342 | continue; | |
343 | } | |
344 | ||
1c7a808c | 345 | if (devs_found > 0 && mode == MANAGE && !devmode) { |
e7b84f9d | 346 | pr_err("Must give one of -a/-r/-f" |
1c7a808c | 347 | " for subsequent devices at %s\n", optarg); |
52826846 NB |
348 | exit(2); |
349 | } | |
1c7a808c | 350 | if (devs_found > 0 && mode == GROW && !devmode) { |
e7b84f9d N |
351 | pr_err("Must give -a/--add for" |
352 | " devices to add: %s\n", optarg); | |
e5329c37 NB |
353 | exit(2); |
354 | } | |
503975b9 | 355 | dv = xmalloc(sizeof(*dv)); |
cd29a5c8 NB |
356 | dv->devname = optarg; |
357 | dv->disposition = devmode; | |
dfd4d8ee | 358 | dv->writemostly = writemostly; |
9008ed1c | 359 | dv->used = 0; |
cd29a5c8 NB |
360 | dv->next = NULL; |
361 | *devlistend = dv; | |
362 | devlistend = &dv->next; | |
aba69144 | 363 | |
52826846 NB |
364 | devs_found++; |
365 | continue; | |
682c7051 | 366 | } |
682c7051 | 367 | |
52826846 NB |
368 | /* We've got a mode, and opt is now something else which |
369 | * could depend on the mode */ | |
1c7a808c | 370 | #define O(a,b) ((a<<16)|b) |
52826846 | 371 | switch (O(mode,opt)) { |
7236ee7a | 372 | case O(GROW,'c'): |
1c7a808c | 373 | case O(GROW,ChunkSize): |
e0d19036 | 374 | case O(CREATE,'c'): |
1c7a808c | 375 | case O(CREATE,ChunkSize): |
e0d19036 | 376 | case O(BUILD,'c'): /* chunk or rounding */ |
1c7a808c | 377 | case O(BUILD,ChunkSize): /* chunk or rounding */ |
e705e81b | 378 | if (s.chunk) { |
e7b84f9d | 379 | pr_err("chunk/rounding may only be specified once. " |
52826846 NB |
380 | "Second value is %s.\n", optarg); |
381 | exit(2); | |
382 | } | |
e705e81b | 383 | s.chunk = parse_size(optarg); |
822e393a N |
384 | if (s.chunk == INVALID_SECTORS || |
385 | s.chunk < 8 || (s.chunk&1)) { | |
e7b84f9d | 386 | pr_err("invalid chunk/rounding value: %s\n", |
52826846 NB |
387 | optarg); |
388 | exit(2); | |
389 | } | |
a252c078 | 390 | /* Convert sectors to K */ |
e705e81b | 391 | s.chunk /= 2; |
52826846 | 392 | continue; |
64c4757e | 393 | |
8382f19b | 394 | case O(INCREMENTAL, 'e'): |
f9ce90ba NB |
395 | case O(CREATE,'e'): |
396 | case O(ASSEMBLE,'e'): | |
397 | case O(MISC,'e'): /* set metadata (superblock) information */ | |
398 | if (ss) { | |
e7b84f9d | 399 | pr_err("metadata information already given\n"); |
f9ce90ba NB |
400 | exit(2); |
401 | } | |
aba69144 | 402 | for(i=0; !ss && superlist[i]; i++) |
82d9eba6 NB |
403 | ss = superlist[i]->match_metadata_desc(optarg); |
404 | ||
f9ce90ba | 405 | if (!ss) { |
e7b84f9d | 406 | pr_err("unrecognised metadata identifier: %s\n", optarg); |
f9ce90ba NB |
407 | exit(2); |
408 | } | |
409 | continue; | |
410 | ||
dfd4d8ee | 411 | case O(MANAGE,'W'): |
1c7a808c | 412 | case O(MANAGE,WriteMostly): |
dfd4d8ee | 413 | case O(BUILD,'W'): |
1c7a808c | 414 | case O(BUILD,WriteMostly): |
dfd4d8ee | 415 | case O(CREATE,'W'): |
1c7a808c | 416 | case O(CREATE,WriteMostly): |
dfd4d8ee NB |
417 | /* set write-mostly for following devices */ |
418 | writemostly = 1; | |
419 | continue; | |
420 | ||
b3d31955 N |
421 | case O(MANAGE,'w'): |
422 | /* clear write-mostly for following devices */ | |
423 | writemostly = 2; | |
424 | continue; | |
425 | ||
426 | ||
dd0781e5 | 427 | case O(GROW,'z'): |
25affb56 PC |
428 | case O(CREATE,'z'): |
429 | case O(BUILD,'z'): /* size */ | |
e705e81b | 430 | if (s.size > 0) { |
e7b84f9d | 431 | pr_err("size may only be specified once. " |
52826846 NB |
432 | "Second value is %s.\n", optarg); |
433 | exit(2); | |
434 | } | |
dd0781e5 | 435 | if (strcmp(optarg, "max")==0) |
e705e81b | 436 | s.size = MAX_SIZE; |
dd0781e5 | 437 | else { |
e705e81b | 438 | s.size = parse_size(optarg); |
822e393a N |
439 | if (s.size == INVALID_SECTORS || |
440 | s.size < 8) { | |
e7b84f9d | 441 | pr_err("invalid size: %s\n", |
dd0781e5 NB |
442 | optarg); |
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) { |
e7b84f9d | 452 | pr_err("array-size may only be specified once. " |
84e11361 N |
453 | "Second value is %s.\n", optarg); |
454 | exit(2); | |
455 | } | |
456 | if (strcmp(optarg, "max") == 0) | |
a93f8c65 | 457 | array_size = MAX_SIZE; |
84e11361 N |
458 | else { |
459 | array_size = parse_size(optarg); | |
822e393a N |
460 | if (array_size == 0 || |
461 | array_size == INVALID_SECTORS) { | |
e7b84f9d | 462 | pr_err("invalid array size: %s\n", |
84e11361 N |
463 | optarg); |
464 | exit(2); | |
465 | } | |
466 | } | |
467 | continue; | |
468 | ||
40c9a66a N |
469 | case O(CREATE,DataOffset): |
470 | case O(GROW,DataOffset): | |
471 | if (data_offset != INVALID_SECTORS) { | |
472 | fprintf(stderr, Name ": data-offset may only be specified one. " | |
473 | "Second value is %s.\n", optarg); | |
474 | exit(2); | |
475 | } | |
72ca9bcf N |
476 | if (mode == CREATE && |
477 | strcmp(optarg, "variable") == 0) | |
478 | data_offset = VARIABLE_OFFSET; | |
479 | else | |
480 | data_offset = parse_size(optarg); | |
40c9a66a N |
481 | if (data_offset == INVALID_SECTORS) { |
482 | fprintf(stderr, Name ": invalid data-offset: %s\n", | |
483 | optarg); | |
484 | exit(2); | |
485 | } | |
486 | continue; | |
487 | ||
7236ee7a | 488 | case O(GROW,'l'): |
e0d19036 NB |
489 | case O(CREATE,'l'): |
490 | case O(BUILD,'l'): /* set raid level*/ | |
e705e81b | 491 | if (s.level != UnSet) { |
e7b84f9d | 492 | pr_err("raid level may only be set once. " |
52826846 NB |
493 | "Second value is %s.\n", optarg); |
494 | exit(2); | |
495 | } | |
e705e81b N |
496 | s.level = map_name(pers, optarg); |
497 | if (s.level == UnSet) { | |
e7b84f9d | 498 | pr_err("invalid raid level: %s\n", |
52826846 NB |
499 | optarg); |
500 | exit(2); | |
501 | } | |
e705e81b N |
502 | if (s.level != 0 && s.level != LEVEL_LINEAR && s.level != 1 && |
503 | s.level != LEVEL_MULTIPATH && s.level != LEVEL_FAULTY && | |
504 | s.level != 10 && | |
e0fe762a | 505 | mode == BUILD) { |
e7b84f9d | 506 | pr_err("Raid level %s not permitted with --build.\n", |
52826846 NB |
507 | optarg); |
508 | exit(2); | |
509 | } | |
e705e81b | 510 | if (s.sparedisks > 0 && s.level < 1 && s.level >= -1) { |
e7b84f9d | 511 | pr_err("raid level %s is incompatible with spare-devices setting.\n", |
52826846 NB |
512 | optarg); |
513 | exit(2); | |
514 | } | |
e705e81b | 515 | ident.level = s.level; |
52826846 | 516 | continue; |
64c4757e | 517 | |
19678e53 | 518 | case O(GROW, 'p'): /* new layout */ |
1c7a808c | 519 | case O(GROW, Layout): |
e705e81b | 520 | if (s.layout_str) { |
e7b84f9d N |
521 | pr_err("layout may only be sent once. " |
522 | "Second value was %s\n", optarg); | |
19678e53 N |
523 | exit(2); |
524 | } | |
e705e81b | 525 | s.layout_str = optarg; |
19678e53 N |
526 | /* 'Grow' will parse the value */ |
527 | continue; | |
528 | ||
e0d19036 | 529 | case O(CREATE,'p'): /* raid5 layout */ |
1c7a808c | 530 | case O(CREATE,Layout): |
b5e64645 | 531 | case O(BUILD,'p'): /* faulty layout */ |
1c7a808c | 532 | case O(BUILD,Layout): |
e705e81b | 533 | if (s.layout != UnSet) { |
e7b84f9d N |
534 | pr_err("layout may only be sent once. " |
535 | "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 N |
548 | s.layout = map_name(r5layout, optarg); |
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 N |
556 | s.layout = map_name(r6layout, optarg); |
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 NB |
606 | continue; |
607 | ||
18361a1a | 608 | case O(CREATE,'x'): /* number of spare (eXtra) disks */ |
e705e81b | 609 | if (s.sparedisks) { |
e7b84f9d | 610 | pr_err("spare-devices set twice: %d and %s\n", |
e705e81b | 611 | s.sparedisks, optarg); |
52826846 NB |
612 | exit(2); |
613 | } | |
e705e81b | 614 | if (s.level != UnSet && s.level <= 0 && s.level >= -1) { |
e7b84f9d | 615 | pr_err("spare-devices setting is incompatible with raid level %d\n", |
e705e81b | 616 | s.level); |
52826846 NB |
617 | exit(2); |
618 | } | |
e705e81b N |
619 | s.sparedisks = parse_num(optarg); |
620 | if (s.sparedisks < 0) { | |
e7b84f9d | 621 | pr_err("invalid number of spare-devices: %s\n", |
52826846 NB |
622 | optarg); |
623 | exit(2); | |
624 | } | |
625 | continue; | |
dd0781e5 NB |
626 | |
627 | case O(CREATE,'a'): | |
1c7a808c | 628 | case O(CREATE,Auto): |
dd0781e5 | 629 | case O(BUILD,'a'): |
1c7a808c | 630 | case O(BUILD,Auto): |
95b79df0 | 631 | case O(INCREMENTAL,'a'): |
1c7a808c N |
632 | case O(INCREMENTAL,Auto): |
633 | case O(ASSEMBLE,'a'): | |
634 | case O(ASSEMBLE,Auto): /* auto-creation of device node */ | |
9e33d556 | 635 | c.autof = parse_auto(optarg, "--auto flag", 0); |
dd0781e5 NB |
636 | continue; |
637 | ||
38098016 NB |
638 | case O(CREATE,Symlinks): |
639 | case O(BUILD,Symlinks): | |
640 | case O(ASSEMBLE,Symlinks): /* auto creation of symlinks in /dev to /dev/md */ | |
641 | symlinks = optarg; | |
642 | continue; | |
643 | ||
aa88f531 | 644 | case O(BUILD,'f'): /* force honouring '-n 1' */ |
1c7a808c | 645 | case O(BUILD,Force): /* force honouring '-n 1' */ |
bd72c2b2 | 646 | case O(GROW,'f'): /* ditto */ |
1c7a808c | 647 | case O(GROW,Force): /* ditto */ |
e0d19036 | 648 | case O(CREATE,'f'): /* force honouring of device list */ |
1c7a808c | 649 | case O(CREATE,Force): /* force honouring of device list */ |
e0d19036 | 650 | case O(ASSEMBLE,'f'): /* force assembly */ |
1c7a808c | 651 | case O(ASSEMBLE,Force): /* force assembly */ |
e0d19036 | 652 | case O(MISC,'f'): /* force zero */ |
1c7a808c | 653 | case O(MISC,Force): /* force zero */ |
11b391ec | 654 | case O(MANAGE,Force): /* add device which is too large */ |
9e33d556 | 655 | c.force=1; |
52826846 | 656 | continue; |
52826846 | 657 | /* now for the Assemble options */ |
b76b30e0 AK |
658 | case O(ASSEMBLE, FreezeReshape): /* Freeze reshape during |
659 | * initrd phase */ | |
660 | case O(INCREMENTAL, FreezeReshape): | |
9e33d556 | 661 | c.freeze_reshape = 1; |
b76b30e0 | 662 | continue; |
3d3dd91e | 663 | case O(CREATE,'u'): /* uuid of array */ |
e0d19036 | 664 | case O(ASSEMBLE,'u'): /* uuid of array */ |
52826846 | 665 | if (ident.uuid_set) { |
e7b84f9d | 666 | pr_err("uuid cannot be set twice. " |
52826846 NB |
667 | "Second value %s.\n", optarg); |
668 | exit(2); | |
669 | } | |
670 | if (parse_uuid(optarg, ident.uuid)) | |
671 | ident.uuid_set = 1; | |
672 | else { | |
e7b84f9d | 673 | pr_err("Bad uuid: %s\n", optarg); |
52826846 NB |
674 | exit(2); |
675 | } | |
676 | continue; | |
677 | ||
947fd4dd NB |
678 | case O(CREATE,'N'): |
679 | case O(ASSEMBLE,'N'): | |
aa534678 | 680 | case O(MISC,'N'): |
947fd4dd | 681 | if (ident.name[0]) { |
e7b84f9d | 682 | pr_err("name cannot be set twice. " |
947fd4dd NB |
683 | "Second value %s.\n", optarg); |
684 | exit(2); | |
685 | } | |
9e33d556 | 686 | if (mode == MISC && !c.subarray) { |
e7b84f9d | 687 | pr_err("-N/--name only valid with --update-subarray in misc mode\n"); |
aa534678 DW |
688 | exit(2); |
689 | } | |
947fd4dd | 690 | if (strlen(optarg) > 32) { |
e7b84f9d | 691 | pr_err("name '%s' is too long, 32 chars max.\n", |
947fd4dd NB |
692 | optarg); |
693 | exit(2); | |
694 | } | |
695 | strcpy(ident.name, optarg); | |
696 | continue; | |
697 | ||
e0d19036 | 698 | case O(ASSEMBLE,'m'): /* super-minor for array */ |
1c7a808c | 699 | case O(ASSEMBLE,SuperMinor): |
98c6faba | 700 | if (ident.super_minor != UnSet) { |
e7b84f9d | 701 | pr_err("super-minor cannot be set twice. " |
cd29a5c8 NB |
702 | "Second value: %s.\n", optarg); |
703 | exit(2); | |
704 | } | |
d013a55e NB |
705 | if (strcmp(optarg, "dev")==0) |
706 | ident.super_minor = -2; | |
707 | else { | |
79868890 N |
708 | ident.super_minor = parse_num(optarg); |
709 | if (ident.super_minor < 0) { | |
e7b84f9d | 710 | pr_err("Bad super-minor number: %s.\n", optarg); |
d013a55e NB |
711 | exit(2); |
712 | } | |
cd29a5c8 NB |
713 | } |
714 | continue; | |
715 | ||
0ea8f5b1 N |
716 | case O(ASSEMBLE,'o'): |
717 | case O(MANAGE,'o'): | |
718 | case O(CREATE,'o'): | |
9e33d556 | 719 | c.readonly = 1; |
0ea8f5b1 N |
720 | continue; |
721 | ||
5787fa49 | 722 | case O(ASSEMBLE,'U'): /* update the superblock */ |
aa534678 | 723 | case O(MISC,'U'): |
9e33d556 | 724 | if (c.update) { |
e7b84f9d | 725 | pr_err("Can only update one aspect" |
833bb0f8 | 726 | " of superblock, both %s and %s given.\n", |
9e33d556 | 727 | c.update, optarg); |
5787fa49 NB |
728 | exit(2); |
729 | } | |
9e33d556 | 730 | if (mode == MISC && !c.subarray) { |
e7b84f9d | 731 | pr_err("Only subarrays can be" |
833bb0f8 | 732 | " updated in misc mode\n"); |
aa534678 DW |
733 | exit(2); |
734 | } | |
9e33d556 N |
735 | c.update = optarg; |
736 | if (strcmp(c.update, "sparc2.2")==0) | |
e5329c37 | 737 | continue; |
9e33d556 | 738 | if (strcmp(c.update, "super-minor") == 0) |
5787fa49 | 739 | continue; |
9e33d556 | 740 | if (strcmp(c.update, "summaries")==0) |
feb716e9 | 741 | continue; |
9e33d556 | 742 | if (strcmp(c.update, "resync")==0) |
e5329c37 | 743 | continue; |
9e33d556 | 744 | if (strcmp(c.update, "uuid")==0) |
7d99579f | 745 | continue; |
9e33d556 | 746 | if (strcmp(c.update, "name")==0) |
c4f12c13 | 747 | continue; |
9e33d556 | 748 | if (strcmp(c.update, "homehost")==0) |
0237e0ca | 749 | continue; |
9e33d556 | 750 | if (strcmp(c.update, "devicesize")==0) |
bee8ec56 | 751 | continue; |
9e33d556 | 752 | if (strcmp(c.update, "no-bitmap")==0) |
5a31170d | 753 | continue; |
688e99a7 N |
754 | if (strcmp(c.update, "bbl") == 0) |
755 | continue; | |
756 | if (strcmp(c.update, "no-bbl") == 0) | |
757 | continue; | |
9e33d556 | 758 | if (strcmp(c.update, "byteorder")==0) { |
586ed405 | 759 | if (ss) { |
e7b84f9d N |
760 | pr_err("must not set metadata" |
761 | " type with --update=byteorder.\n"); | |
586ed405 NB |
762 | exit(2); |
763 | } | |
aba69144 | 764 | for(i=0; !ss && superlist[i]; i++) |
833bb0f8 N |
765 | ss = superlist[i]->match_metadata_desc( |
766 | "0.swap"); | |
586ed405 | 767 | if (!ss) { |
e7b84f9d | 768 | pr_err("INTERNAL ERROR" |
833bb0f8 | 769 | " cannot find 0.swap\n"); |
586ed405 NB |
770 | exit(2); |
771 | } | |
772 | ||
773 | continue; | |
774 | } | |
9e33d556 N |
775 | if (strcmp(c.update,"?") == 0 || |
776 | strcmp(c.update, "help") == 0) { | |
0047d254 NB |
777 | outf = stdout; |
778 | fprintf(outf, Name ": "); | |
779 | } else { | |
780 | outf = stderr; | |
781 | fprintf(outf, | |
782 | Name ": '--update=%s' is invalid. ", | |
9e33d556 | 783 | c.update); |
0047d254 NB |
784 | } |
785 | fprintf(outf, "Valid --update options are:\n" | |
bee8ec56 | 786 | " 'sparc2.2', 'super-minor', 'uuid', 'name', 'resync',\n" |
5a31170d N |
787 | " 'summaries', 'homehost', 'byteorder', 'devicesize',\n" |
788 | " 'no-bitmap'\n"); | |
0047d254 | 789 | exit(outf == stdout ? 0 : 2); |
5787fa49 | 790 | |
833bb0f8 N |
791 | case O(MANAGE,'U'): |
792 | /* update=devicesize is allowed with --re-add */ | |
c8e1a230 | 793 | if (devmode != 'A') { |
e7b84f9d | 794 | pr_err("--update in Manage mode only" |
833bb0f8 N |
795 | " allowed with --re-add.\n"); |
796 | exit(1); | |
797 | } | |
9e33d556 | 798 | if (c.update) { |
e7b84f9d | 799 | pr_err("Can only update one aspect" |
833bb0f8 | 800 | " of superblock, both %s and %s given.\n", |
9e33d556 | 801 | c.update, optarg); |
833bb0f8 N |
802 | exit(2); |
803 | } | |
9e33d556 | 804 | c.update = optarg; |
688e99a7 N |
805 | if (strcmp(c.update, "devicesize") != 0 && |
806 | strcmp(c.update, "bbl") != 0 && | |
807 | strcmp(c.update, "no-bbl") != 0) { | |
808 | pr_err("only 'devicesize', 'bbl' and 'no-bbl' can be" | |
833bb0f8 N |
809 | " updated with --re-add\n"); |
810 | exit(2); | |
811 | } | |
812 | continue; | |
813 | ||
172356c9 | 814 | case O(INCREMENTAL,NoDegraded): |
e7b84f9d | 815 | pr_err("--no-degraded is deprecated in Incremental mode\n"); |
997aed5d | 816 | case O(ASSEMBLE,NoDegraded): /* --no-degraded */ |
9e33d556 N |
817 | c.runstop = -1; /* --stop isn't allowed for --assemble, |
818 | * so we overload slightly */ | |
b8a8ccf9 NB |
819 | continue; |
820 | ||
1c7a808c N |
821 | case O(ASSEMBLE,'c'): |
822 | case O(ASSEMBLE,ConfigFile): | |
7b187ed7 | 823 | case O(INCREMENTAL, 'c'): |
1c7a808c | 824 | case O(INCREMENTAL, ConfigFile): |
2d465520 | 825 | case O(MISC, 'c'): |
1c7a808c | 826 | case O(MISC, ConfigFile): |
e0d19036 | 827 | case O(MONITOR,'c'): |
1c7a808c | 828 | case O(MONITOR,ConfigFile): |
52826846 | 829 | if (configfile) { |
e7b84f9d | 830 | pr_err("configfile cannot be set twice. " |
52826846 NB |
831 | "Second value is %s.\n", optarg); |
832 | exit(2); | |
833 | } | |
834 | configfile = optarg; | |
8aec876d | 835 | set_conffile(configfile); |
52826846 NB |
836 | /* FIXME possibly check that config file exists. Even parse it */ |
837 | continue; | |
e0d19036 NB |
838 | case O(ASSEMBLE,'s'): /* scan */ |
839 | case O(MISC,'s'): | |
840 | case O(MONITOR,'s'): | |
8382f19b | 841 | case O(INCREMENTAL,'s'): |
9e33d556 | 842 | c.scan = 1; |
52826846 NB |
843 | continue; |
844 | ||
e0d19036 | 845 | case O(MONITOR,'m'): /* mail address */ |
1c7a808c | 846 | case O(MONITOR,EMail): |
52826846 | 847 | if (mailaddr) |
e7b84f9d | 848 | pr_err("only specify one mailaddress. %s ignored.\n", |
52826846 NB |
849 | optarg); |
850 | else | |
851 | mailaddr = optarg; | |
852 | continue; | |
853 | ||
e0d19036 | 854 | case O(MONITOR,'p'): /* alert program */ |
1c7a808c | 855 | case O(MONITOR,ProgramOpt): /* alert program */ |
52826846 | 856 | if (program) |
e7b84f9d | 857 | pr_err("only specify one alter program. %s ignored.\n", |
52826846 NB |
858 | optarg); |
859 | else | |
860 | program = optarg; | |
861 | continue; | |
64c4757e | 862 | |
9a36a9b7 | 863 | case O(MONITOR,'r'): /* rebuild increments */ |
1c7a808c | 864 | case O(MONITOR,Increment): |
9a36a9b7 | 865 | increments = atoi(optarg); |
18361a1a | 866 | if (increments > 99 || increments < 1) { |
e7b84f9d | 867 | pr_err("please specify positive integer between 1 and 99 as rebuild increments.\n"); |
9a36a9b7 ZB |
868 | exit(2); |
869 | } | |
870 | continue; | |
871 | ||
e0d19036 | 872 | case O(MONITOR,'d'): /* delay in seconds */ |
f5e166fe | 873 | case O(GROW, 'd'): |
c82f047c NB |
874 | case O(BUILD,'d'): /* delay for bitmap updates */ |
875 | case O(CREATE,'d'): | |
9e33d556 | 876 | if (c.delay) |
e7b84f9d | 877 | pr_err("only specify delay once. %s ignored.\n", |
52826846 NB |
878 | optarg); |
879 | else { | |
9e33d556 N |
880 | c.delay = parse_num(optarg); |
881 | if (c.delay < 1) { | |
e7b84f9d | 882 | pr_err("invalid delay: %s\n", |
52826846 NB |
883 | optarg); |
884 | exit(2); | |
885 | } | |
886 | } | |
887 | continue; | |
d013a55e | 888 | case O(MONITOR,'f'): /* daemonise */ |
1c7a808c | 889 | case O(MONITOR,Fork): |
d013a55e NB |
890 | daemonise = 1; |
891 | continue; | |
b5e64645 NB |
892 | case O(MONITOR,'i'): /* pid */ |
893 | if (pidfile) | |
e7b84f9d | 894 | pr_err("only specify one pid file. %s ignored.\n", |
b5e64645 NB |
895 | optarg); |
896 | else | |
897 | pidfile = optarg; | |
898 | continue; | |
aa88f531 NB |
899 | case O(MONITOR,'1'): /* oneshot */ |
900 | oneshot = 1; | |
3f555346 | 901 | spare_sharing = 0; |
aa88f531 | 902 | continue; |
98c6faba | 903 | case O(MONITOR,'t'): /* test */ |
9e33d556 | 904 | c.test = 1; |
98c6faba | 905 | continue; |
773135f5 | 906 | case O(MONITOR,'y'): /* log messages to syslog */ |
6ac8aac2 | 907 | openlog("mdadm", LOG_PID, SYSLOG_FACILITY); |
773135f5 NB |
908 | dosyslog = 1; |
909 | continue; | |
edde9560 AC |
910 | case O(MONITOR, NoSharing): |
911 | spare_sharing = 0; | |
912 | continue; | |
18361a1a | 913 | |
52826846 NB |
914 | /* now the general management options. Some are applicable |
915 | * to other modes. None have arguments. | |
916 | */ | |
e5329c37 | 917 | case O(GROW,'a'): |
1c7a808c N |
918 | case O(GROW,Add): |
919 | case O(MANAGE,'a'): | |
920 | case O(MANAGE,Add): /* add a drive */ | |
52826846 | 921 | devmode = 'a'; |
fe80f49b | 922 | continue; |
997aed5d | 923 | case O(MANAGE,ReAdd): |
c8e1a230 | 924 | devmode = 'A'; |
52826846 | 925 | continue; |
e0d19036 | 926 | case O(MANAGE,'r'): /* remove a drive */ |
1c7a808c | 927 | case O(MANAGE,Remove): |
52826846 NB |
928 | devmode = 'r'; |
929 | continue; | |
e0d19036 | 930 | case O(MANAGE,'f'): /* set faulty */ |
1c7a808c N |
931 | case O(MANAGE,Fail): |
932 | case O(INCREMENTAL,'f'): | |
933 | case O(INCREMENTAL,Remove): | |
934 | case O(INCREMENTAL,Fail): /* r for incremental is taken, use f | |
7d27d1c0 N |
935 | * even though we will both fail and |
936 | * remove the device */ | |
52826846 NB |
937 | devmode = 'f'; |
938 | continue; | |
70c55e36 N |
939 | case O(MANAGE,Replace): |
940 | /* Mark these devices for replacement */ | |
941 | devmode = 'R'; | |
942 | continue; | |
943 | case O(MANAGE,With): | |
944 | /* These are the replacements to use */ | |
945 | if (devmode != 'R') { | |
946 | pr_err("--with must follow --replace\n"); | |
947 | exit(2); | |
948 | } | |
949 | devmode = 'W'; | |
950 | continue; | |
8382f19b | 951 | case O(INCREMENTAL,'R'): |
e0d19036 NB |
952 | case O(MANAGE,'R'): |
953 | case O(ASSEMBLE,'R'): | |
954 | case O(BUILD,'R'): | |
955 | case O(CREATE,'R'): /* Run the array */ | |
9e33d556 | 956 | if (c.runstop < 0) { |
e7b84f9d | 957 | pr_err("Cannot both Stop and Run an array\n"); |
52826846 NB |
958 | exit(2); |
959 | } | |
9e33d556 | 960 | c.runstop = 1; |
52826846 | 961 | continue; |
e0d19036 | 962 | case O(MANAGE,'S'): |
9e33d556 | 963 | if (c.runstop > 0) { |
e7b84f9d | 964 | pr_err("Cannot both Run and Stop an array\n"); |
52826846 NB |
965 | exit(2); |
966 | } | |
9e33d556 | 967 | c.runstop = -1; |
52826846 | 968 | continue; |
7d2e6486 | 969 | case O(MANAGE,'t'): |
9e33d556 | 970 | c.test = 1; |
7d2e6486 | 971 | continue; |
52826846 | 972 | |
e0d19036 NB |
973 | case O(MISC,'Q'): |
974 | case O(MISC,'D'): | |
975 | case O(MISC,'E'): | |
f7d3febc | 976 | case O(MISC,KillOpt): |
e0d19036 NB |
977 | case O(MISC,'R'): |
978 | case O(MISC,'S'): | |
c82f047c | 979 | case O(MISC,'X'): |
6d388a88 | 980 | case O(MISC, ExamineBB): |
e0d19036 NB |
981 | case O(MISC,'o'): |
982 | case O(MISC,'w'): | |
b90c0e9a | 983 | case O(MISC,'W'): |
1c7a808c | 984 | case O(MISC, WaitOpt): |
1770662b | 985 | case O(MISC, Waitclean): |
4cce4069 | 986 | case O(MISC, DetailPlatform): |
33414a01 | 987 | case O(MISC, KillSubarray): |
aa534678 | 988 | case O(MISC, UpdateSubarray): |
74db60b0 N |
989 | case O(MISC, Dump): |
990 | case O(MISC, Restore): | |
5a53aeec | 991 | if (opt == KillSubarray || opt == UpdateSubarray) { |
9e33d556 | 992 | if (c.subarray) { |
e7b84f9d | 993 | pr_err("subarray can only" |
5a53aeec JS |
994 | " be specified once\n"); |
995 | exit(2); | |
996 | } | |
9e33d556 | 997 | c.subarray = optarg; |
5a53aeec | 998 | } |
e0d19036 NB |
999 | if (devmode && devmode != opt && |
1000 | (devmode == 'E' || (opt == 'E' && devmode != 'Q'))) { | |
e7b84f9d | 1001 | pr_err("--examine/-E cannot be given with "); |
aa534678 DW |
1002 | if (devmode == 'E') { |
1003 | if (option_index >= 0) | |
1004 | fprintf(stderr, "--%s\n", | |
1005 | long_options[option_index].name); | |
1006 | else | |
1007 | fprintf(stderr, "-%c\n", opt); | |
1008 | } else if (isalpha(devmode)) | |
1009 | fprintf(stderr, "-%c\n", devmode); | |
1010 | else | |
1011 | fprintf(stderr, "previous option\n"); | |
e0d19036 NB |
1012 | exit(2); |
1013 | } | |
1014 | devmode = opt; | |
74db60b0 N |
1015 | if (opt == Dump || opt == Restore) { |
1016 | if (dump_directory != NULL) { | |
1017 | pr_err("dump/restore directory specified twice: %s and %s\n", | |
1018 | dump_directory, optarg); | |
1019 | exit(2); | |
1020 | } | |
1021 | dump_directory = optarg; | |
1022 | } | |
e0d19036 | 1023 | continue; |
7d27d1c0 N |
1024 | case O(MISC, UdevRules): |
1025 | if (devmode && devmode != opt) { | |
e7b84f9d N |
1026 | pr_err("--udev-rules must" |
1027 | " be the only option.\n"); | |
7d27d1c0 N |
1028 | } else { |
1029 | if (udev_filename) | |
e7b84f9d | 1030 | pr_err("only specify one udev " |
7d27d1c0 N |
1031 | "rule filename. %s ignored.\n", |
1032 | optarg); | |
1033 | else | |
1034 | udev_filename = optarg; | |
1035 | } | |
1036 | devmode = opt; | |
1037 | continue; | |
feb716e9 | 1038 | case O(MISC,'t'): |
9e33d556 | 1039 | c.test = 1; |
feb716e9 | 1040 | continue; |
e0d19036 | 1041 | |
997aed5d | 1042 | case O(MISC, Sparc22): |
bd526cee | 1043 | if (devmode != 'E') { |
e7b84f9d | 1044 | pr_err("--sparc2.2 only allowed with --examine\n"); |
bd526cee NB |
1045 | exit(2); |
1046 | } | |
9e33d556 | 1047 | c.SparcAdjust = 1; |
bd526cee | 1048 | continue; |
c82f047c NB |
1049 | |
1050 | case O(ASSEMBLE,'b'): /* here we simply set the bitmap file */ | |
1c7a808c | 1051 | case O(ASSEMBLE,Bitmap): |
c82f047c | 1052 | if (!optarg) { |
e7b84f9d | 1053 | pr_err("bitmap file needed with -b in --assemble mode\n"); |
c82f047c NB |
1054 | exit(2); |
1055 | } | |
55935d51 | 1056 | if (strcmp(optarg, "internal")==0) { |
e7b84f9d | 1057 | pr_err("there is no need to specify --bitmap when assembling arrays with internal bitmaps\n"); |
55935d51 NB |
1058 | continue; |
1059 | } | |
c82f047c NB |
1060 | bitmap_fd = open(optarg, O_RDWR); |
1061 | if (!*optarg || bitmap_fd < 0) { | |
e7b84f9d | 1062 | pr_err("cannot open bitmap file %s: %s\n", optarg, strerror(errno)); |
c82f047c NB |
1063 | exit(2); |
1064 | } | |
1065 | ident.bitmap_fd = bitmap_fd; /* for Assemble */ | |
1066 | continue; | |
f5e166fe | 1067 | |
997aed5d NB |
1068 | case O(ASSEMBLE, BackupFile): |
1069 | case O(GROW, BackupFile): | |
06b0d786 NB |
1070 | /* Specify a file into which grow might place a backup, |
1071 | * or from which assemble might recover a backup | |
1072 | */ | |
9e33d556 | 1073 | if (c.backup_file) { |
e7b84f9d | 1074 | pr_err("backup file already specified, rejecting %s\n", optarg); |
06b0d786 NB |
1075 | exit(2); |
1076 | } | |
9e33d556 | 1077 | c.backup_file = optarg; |
06b0d786 NB |
1078 | continue; |
1079 | ||
2dddadb0 AK |
1080 | case O(GROW, Continue): |
1081 | /* Continue interrupted grow | |
1082 | */ | |
1083 | grow_continue = 1; | |
1084 | continue; | |
87f26d14 N |
1085 | case O(ASSEMBLE, InvalidBackup): |
1086 | /* Acknowledge that the backupfile is invalid, but ask | |
1087 | * to continue anyway | |
1088 | */ | |
9e33d556 | 1089 | c.invalid_backup = 1; |
87f26d14 N |
1090 | continue; |
1091 | ||
c82f047c | 1092 | case O(BUILD,'b'): |
1c7a808c N |
1093 | case O(BUILD,Bitmap): |
1094 | case O(CREATE,'b'): | |
1095 | case O(CREATE,Bitmap): /* here we create the bitmap */ | |
85375d6d | 1096 | case O(GROW,'b'): |
1c7a808c | 1097 | case O(GROW,Bitmap): |
1e0d770c NB |
1098 | if (strcmp(optarg, "internal")== 0 || |
1099 | strcmp(optarg, "none")== 0 || | |
1100 | strchr(optarg, '/') != NULL) { | |
e705e81b | 1101 | s.bitmap_file = optarg; |
1e0d770c NB |
1102 | continue; |
1103 | } | |
1104 | /* probable typo */ | |
e7b84f9d | 1105 | pr_err("bitmap file must contain a '/', or be 'internal', or 'none'\n" |
a1331cc4 | 1106 | " not '%s'\n", optarg); |
1e0d770c | 1107 | exit(2); |
c82f047c | 1108 | |
997aed5d NB |
1109 | case O(GROW,BitmapChunk): |
1110 | case O(BUILD,BitmapChunk): | |
1111 | case O(CREATE,BitmapChunk): /* bitmap chunksize */ | |
e705e81b | 1112 | s.bitmap_chunk = parse_size(optarg); |
822e393a N |
1113 | if (s.bitmap_chunk == 0 || |
1114 | s.bitmap_chunk == INVALID_SECTORS || | |
e705e81b | 1115 | s.bitmap_chunk & (s.bitmap_chunk - 1)) { |
e7b84f9d N |
1116 | pr_err("invalid bitmap chunksize: %s\n", |
1117 | optarg); | |
c82f047c NB |
1118 | exit(2); |
1119 | } | |
e705e81b | 1120 | s.bitmap_chunk = s.bitmap_chunk * 512; |
c82f047c | 1121 | continue; |
dfd4d8ee | 1122 | |
7d19ad0d | 1123 | case O(GROW, WriteBehind): |
997aed5d NB |
1124 | case O(BUILD, WriteBehind): |
1125 | case O(CREATE, WriteBehind): /* write-behind mode */ | |
e705e81b | 1126 | s.write_behind = DEFAULT_MAX_WRITE_BEHIND; |
dfd4d8ee | 1127 | if (optarg) { |
e705e81b N |
1128 | s.write_behind = parse_num(optarg); |
1129 | if (s.write_behind < 0 || | |
1130 | s.write_behind > 16383) { | |
e7b84f9d | 1131 | pr_err("Invalid value for maximum outstanding write-behind writes: %s.\n\tMust be between 0 and 16383.\n", optarg); |
dfd4d8ee NB |
1132 | exit(2); |
1133 | } | |
1134 | } | |
1135 | continue; | |
8382f19b NB |
1136 | |
1137 | case O(INCREMENTAL, 'r'): | |
1c7a808c | 1138 | case O(INCREMENTAL, RebuildMapOpt): |
8382f19b NB |
1139 | rebuild_map = 1; |
1140 | continue; | |
950bc344 PC |
1141 | case O(INCREMENTAL, IncrementalPath): |
1142 | remove_path = optarg; | |
1143 | continue; | |
52826846 NB |
1144 | } |
1145 | /* We have now processed all the valid options. Anything else is | |
1146 | * an error | |
1147 | */ | |
06b0d786 | 1148 | if (option_index > 0) |
e7b84f9d | 1149 | pr_err(":option --%s not valid in %s mode\n", |
06b0d786 NB |
1150 | long_options[option_index].name, |
1151 | map_num(modes, mode)); | |
1152 | else | |
e7b84f9d | 1153 | pr_err("option -%c not valid in %s mode\n", |
06b0d786 | 1154 | opt, map_num(modes, mode)); |
64c4757e | 1155 | exit(2); |
52826846 NB |
1156 | |
1157 | } | |
1158 | ||
3d4064cc | 1159 | if (print_help) { |
5187a385 | 1160 | char *help_text; |
3d4064cc NB |
1161 | if (print_help == 2) |
1162 | help_text = OptionHelp; | |
1163 | else | |
5187a385 N |
1164 | help_text = mode_help[mode]; |
1165 | if (help_text == NULL) | |
1166 | help_text = Help; | |
0047d254 | 1167 | fputs(help_text,stdout); |
3d4064cc NB |
1168 | exit(0); |
1169 | } | |
1170 | ||
0320ea45 NB |
1171 | if (!mode && devs_found) { |
1172 | mode = MISC; | |
1173 | devmode = 'Q'; | |
1174 | if (devlist->disposition == 0) | |
1175 | devlist->disposition = devmode; | |
1176 | } | |
52826846 NB |
1177 | if (!mode) { |
1178 | fputs(Usage, stderr); | |
64c4757e | 1179 | exit(2); |
64c4757e | 1180 | } |
38098016 NB |
1181 | |
1182 | if (symlinks) { | |
1183 | struct createinfo *ci = conf_get_create_info(); | |
1184 | ||
1185 | if (strcasecmp(symlinks, "yes") == 0) | |
1186 | ci->symlinks = 1; | |
1187 | else if (strcasecmp(symlinks, "no") == 0) | |
1188 | ci->symlinks = 0; | |
1189 | else { | |
e7b84f9d | 1190 | pr_err("option --symlinks must be 'no' or 'yes'\n"); |
38098016 NB |
1191 | exit(2); |
1192 | } | |
1193 | } | |
52826846 NB |
1194 | /* Ok, got the option parsing out of the way |
1195 | * hopefully it's mostly right but there might be some stuff | |
1196 | * missing | |
1197 | * | |
e0d19036 | 1198 | * That is mosty checked in the per-mode stuff but... |
52826846 | 1199 | * |
18361a1a N |
1200 | * For @,B,C and A without -s, the first device listed must be |
1201 | * an md device. We check that here and open it. | |
64c4757e | 1202 | */ |
52826846 | 1203 | |
18361a1a N |
1204 | if (mode == MANAGE || mode == BUILD || mode == CREATE |
1205 | || mode == GROW | |
9e33d556 | 1206 | || (mode == ASSEMBLE && ! c.scan)) { |
52826846 | 1207 | if (devs_found < 1) { |
e7b84f9d | 1208 | pr_err("an md device must be given in this mode\n"); |
52826846 NB |
1209 | exit(2); |
1210 | } | |
9e33d556 | 1211 | if ((int)ident.super_minor == -2 && c.autof) { |
e7b84f9d | 1212 | pr_err("--super-minor=dev is incompatible with --auto\n"); |
dd0781e5 NB |
1213 | exit(2); |
1214 | } | |
7f91af49 | 1215 | if (mode == MANAGE || mode == GROW) { |
6be1d39d | 1216 | mdfd = open_mddev(devlist->devname, 1); |
7f91af49 N |
1217 | if (mdfd < 0) |
1218 | exit(1); | |
1219 | } else | |
1220 | /* non-existent device is OK */ | |
1221 | mdfd = open_mddev(devlist->devname, 0); | |
1222 | if (mdfd == -2) { | |
e7b84f9d | 1223 | pr_err("device %s exists but is not an " |
7f91af49 | 1224 | "md array.\n", devlist->devname); |
52826846 | 1225 | exit(1); |
7f91af49 | 1226 | } |
98c6faba | 1227 | if ((int)ident.super_minor == -2) { |
d013a55e | 1228 | struct stat stb; |
7f91af49 | 1229 | if (mdfd < 0) { |
e7b84f9d | 1230 | pr_err("--super-minor=dev given, and " |
7f91af49 N |
1231 | "listed device %s doesn't exist.\n", |
1232 | devlist->devname); | |
1233 | exit(1); | |
1234 | } | |
d013a55e | 1235 | fstat(mdfd, &stb); |
0df46c2a | 1236 | ident.super_minor = minor(stb.st_rdev); |
d013a55e | 1237 | } |
7f91af49 N |
1238 | if (mdfd >= 0 && mode != MANAGE && mode != GROW) { |
1239 | /* We don't really want this open yet, we just might | |
1240 | * have wanted to check some things | |
1241 | */ | |
1242 | close(mdfd); | |
1243 | mdfd = -1; | |
1244 | } | |
64c4757e | 1245 | } |
52826846 | 1246 | |
e705e81b N |
1247 | if (s.raiddisks) { |
1248 | if (s.raiddisks == 1 && !c.force && s.level != LEVEL_FAULTY) { | |
e7b84f9d | 1249 | pr_err("'1' is an unusual number of drives for an array, so it is probably\n" |
e4c4352e NB |
1250 | " a mistake. If you really mean it you will need to specify --force before\n" |
1251 | " setting the number of drives.\n"); | |
1252 | exit(2); | |
1253 | } | |
1254 | } | |
c82f047c | 1255 | |
9e33d556 N |
1256 | if (c.homehost == NULL) |
1257 | c.homehost = conf_get_homehost(&c.require_homehost); | |
1258 | if (c.homehost == NULL || strcasecmp(c.homehost, "<system>")==0) { | |
05697ec1 NB |
1259 | if (gethostname(sys_hostname, sizeof(sys_hostname)) == 0) { |
1260 | sys_hostname[sizeof(sys_hostname)-1] = 0; | |
9e33d556 | 1261 | c.homehost = sys_hostname; |
05697ec1 NB |
1262 | } |
1263 | } | |
9e33d556 N |
1264 | if (c.homehost && (!c.homehost[0] || strcasecmp(c.homehost, "<none>") == 0)) { |
1265 | c.homehost = NULL; | |
1266 | c.require_homehost = 0; | |
0f23aa88 | 1267 | } |
997aed5d | 1268 | |
18361a1a N |
1269 | if ((mode == MISC && devmode == 'E') |
1270 | || (mode == MONITOR && spare_sharing == 0)) | |
1271 | /* Anyone may try this */; | |
1272 | else if (geteuid() != 0) { | |
e7b84f9d | 1273 | pr_err("must be super-user to perform this action\n"); |
ac5678dd N |
1274 | exit(1); |
1275 | } | |
1276 | ||
9e33d556 | 1277 | ident.autof = c.autof; |
7f91af49 | 1278 | |
265460ab N |
1279 | if (c.scan && c.verbose < 2) |
1280 | /* --scan implied --brief unless -vv */ | |
1281 | c.brief = 1; | |
1282 | ||
52826846 NB |
1283 | rv = 0; |
1284 | switch(mode) { | |
e0d19036 | 1285 | case MANAGE: |
52826846 | 1286 | /* readonly, add/remove, readwrite, runstop */ |
9e33d556 N |
1287 | if (c.readonly > 0) |
1288 | rv = Manage_ro(devlist->devname, mdfd, c.readonly); | |
52826846 | 1289 | if (!rv && devs_found>1) |
cd29a5c8 | 1290 | rv = Manage_subdevs(devlist->devname, mdfd, |
0937132d | 1291 | devlist->next, c.verbose, c.test, |
9e33d556 N |
1292 | c.update, c.force); |
1293 | if (!rv && c.readonly < 0) | |
1294 | rv = Manage_ro(devlist->devname, mdfd, c.readonly); | |
1295 | if (!rv && c.runstop) | |
0937132d | 1296 | rv = Manage_runstop(devlist->devname, mdfd, c.runstop, c.verbose, 0); |
52826846 | 1297 | break; |
e0d19036 | 1298 | case ASSEMBLE: |
d013a55e | 1299 | if (devs_found == 1 && ident.uuid_set == 0 && |
9e33d556 | 1300 | ident.super_minor == UnSet && ident.name[0] == 0 && !c.scan ) { |
d013a55e | 1301 | /* Only a device has been given, so get details from config file */ |
fa56eddb | 1302 | struct mddev_ident *array_ident = conf_get_ident(devlist->devname); |
b5e64645 | 1303 | if (array_ident == NULL) { |
e7b84f9d | 1304 | pr_err("%s not identified in config file.\n", |
b5e64645 | 1305 | devlist->devname); |
d013a55e | 1306 | rv |= 1; |
7f91af49 N |
1307 | if (mdfd >= 0) |
1308 | close(mdfd); | |
b5e64645 | 1309 | } else { |
7f91af49 | 1310 | if (array_ident->autof == 0) |
9e33d556 | 1311 | array_ident->autof = c.autof; |
7f91af49 | 1312 | rv |= Assemble(ss, devlist->devname, array_ident, |
4977146a | 1313 | NULL, &c); |
d013a55e | 1314 | } |
9e33d556 | 1315 | } else if (!c.scan) |
7f91af49 | 1316 | rv = Assemble(ss, devlist->devname, &ident, |
4977146a | 1317 | devlist->next, &c); |
18361a1a | 1318 | else if (devs_found > 0) { |
9e33d556 | 1319 | if (c.update && devs_found > 1) { |
e7b84f9d | 1320 | pr_err("can only update a single array at a time\n"); |
5787fa49 NB |
1321 | exit(1); |
1322 | } | |
9e33d556 | 1323 | if (c.backup_file && devs_found > 1) { |
e7b84f9d | 1324 | pr_err("can only assemble a single array when providing a backup file.\n"); |
06b0d786 NB |
1325 | exit(1); |
1326 | } | |
cd29a5c8 | 1327 | for (dv = devlist ; dv ; dv=dv->next) { |
fa56eddb | 1328 | struct mddev_ident *array_ident = conf_get_ident(dv->devname); |
52826846 | 1329 | if (array_ident == NULL) { |
e7b84f9d | 1330 | pr_err("%s not identified in config file.\n", |
cd29a5c8 | 1331 | dv->devname); |
52826846 NB |
1332 | rv |= 1; |
1333 | continue; | |
1334 | } | |
7f91af49 | 1335 | if (array_ident->autof == 0) |
9e33d556 | 1336 | array_ident->autof = c.autof; |
7f91af49 | 1337 | rv |= Assemble(ss, dv->devname, array_ident, |
4977146a | 1338 | NULL, &c); |
52826846 | 1339 | } |
5787fa49 | 1340 | } else { |
9e33d556 | 1341 | if (c.update) { |
e7b84f9d | 1342 | pr_err("--update not meaningful with a --scan assembly.\n"); |
da6b5ca9 NB |
1343 | exit(1); |
1344 | } | |
9e33d556 | 1345 | if (c.backup_file) { |
e7b84f9d | 1346 | pr_err("--backup_file not meaningful with a --scan assembly.\n"); |
da6b5ca9 NB |
1347 | exit(1); |
1348 | } | |
4977146a | 1349 | rv = scan_assemble(ss, &c, &ident); |
52826846 | 1350 | } |
3cbc4d12 | 1351 | |
52826846 | 1352 | break; |
e0d19036 | 1353 | case BUILD: |
9e33d556 N |
1354 | if (c.delay == 0) |
1355 | c.delay = DEFAULT_BITMAP_DELAY; | |
e705e81b | 1356 | if (s.write_behind && !s.bitmap_file) { |
e7b84f9d | 1357 | pr_err("write-behind mode requires a bitmap.\n"); |
dfd4d8ee NB |
1358 | rv = 1; |
1359 | break; | |
1360 | } | |
e705e81b | 1361 | if (s.raiddisks == 0) { |
e7b84f9d | 1362 | pr_err("no raid-devices specified.\n"); |
5b28bd56 NB |
1363 | rv = 1; |
1364 | break; | |
1365 | } | |
dfd4d8ee | 1366 | |
e705e81b N |
1367 | if (s.bitmap_file) { |
1368 | if (strcmp(s.bitmap_file, "internal")==0) { | |
e7b84f9d | 1369 | pr_err("'internal' bitmaps not supported with --build\n"); |
55935d51 NB |
1370 | rv |= 1; |
1371 | break; | |
1372 | } | |
c82f047c | 1373 | } |
a4e8316a | 1374 | rv = Build(devlist->devname, devlist->next, &s, &c); |
52826846 | 1375 | break; |
e0d19036 | 1376 | case CREATE: |
9e33d556 N |
1377 | if (c.delay == 0) |
1378 | c.delay = DEFAULT_BITMAP_DELAY; | |
e705e81b | 1379 | if (s.write_behind && !s.bitmap_file) { |
e7b84f9d | 1380 | pr_err("write-behind mode requires a bitmap.\n"); |
dfd4d8ee NB |
1381 | rv = 1; |
1382 | break; | |
1383 | } | |
e705e81b | 1384 | if (s.raiddisks == 0) { |
e7b84f9d | 1385 | pr_err("no raid-devices specified.\n"); |
5b28bd56 NB |
1386 | rv = 1; |
1387 | break; | |
1388 | } | |
f9ce90ba | 1389 | |
99cc42f4 N |
1390 | rv = Create(ss, devlist->devname, |
1391 | ident.name, ident.uuid_set ? ident.uuid : NULL, | |
171dccc8 | 1392 | devs_found-1, devlist->next, |
40c9a66a | 1393 | &s, &c, data_offset); |
52826846 | 1394 | break; |
e0d19036 | 1395 | case MISC: |
e0d19036 | 1396 | if (devmode == 'E') { |
9e33d556 | 1397 | if (devlist == NULL && !c.scan) { |
e7b84f9d | 1398 | pr_err("No devices to examine\n"); |
e0d19036 NB |
1399 | exit(2); |
1400 | } | |
1401 | if (devlist == NULL) | |
8aec876d | 1402 | devlist = conf_get_devs(); |
e0d19036 | 1403 | if (devlist == NULL) { |
e7b84f9d | 1404 | pr_err("No devices listed in %s\n", configfile?configfile:DefaultConfFile); |
e0d19036 NB |
1405 | exit(1); |
1406 | } | |
eec3f887 | 1407 | rv = Examine(devlist, &c, ss); |
4cce4069 | 1408 | } else if (devmode == DetailPlatform) { |
9eafa1de MN |
1409 | rv = Detail_Platform(ss ? ss->ss : NULL, ss ? c.scan : 1, |
1410 | c.verbose, c.export, | |
1411 | devlist ? devlist->devname : NULL); | |
7d27d1c0 | 1412 | } else if (devlist == NULL) { |
9e33d556 | 1413 | if (devmode == 'S' && c.scan) |
0937132d | 1414 | rv = stop_scan(c.verbose); |
9e33d556 | 1415 | else if ((devmode == 'D' || devmode == Waitclean) && c.scan) |
ef898ce6 | 1416 | rv = misc_scan(devmode, &c); |
7d27d1c0 N |
1417 | else if (devmode == UdevRules) |
1418 | rv = Write_rules(udev_filename); | |
1419 | else { | |
e7b84f9d | 1420 | pr_err("No devices given.\n"); |
7d27d1c0 | 1421 | exit(2); |
e0d19036 | 1422 | } |
7d27d1c0 | 1423 | } else |
74db60b0 | 1424 | rv = misc_list(devlist, &ident, dump_directory, ss, &c); |
9a9dab36 | 1425 | break; |
e0d19036 | 1426 | case MONITOR: |
9e33d556 | 1427 | if (!devlist && !c.scan) { |
e7b84f9d | 1428 | pr_err("Cannot monitor: need --scan or at least one device\n"); |
e0d19036 NB |
1429 | rv = 1; |
1430 | break; | |
1431 | } | |
b5e64645 | 1432 | if (pidfile && !daemonise) { |
e7b84f9d | 1433 | pr_err("Cannot write a pid file when not in daemon mode\n"); |
b5e64645 NB |
1434 | rv = 1; |
1435 | break; | |
1436 | } | |
9e33d556 | 1437 | if (c.delay == 0) { |
3e82d76d | 1438 | if (get_linux_version() > 2006016) |
ddc7201f | 1439 | /* mdstat responds to poll */ |
9e33d556 | 1440 | c.delay = 1000; |
ddc7201f | 1441 | else |
9e33d556 | 1442 | c.delay = 60; |
ddc7201f | 1443 | } |
95c50205 N |
1444 | if (c.delay == 0) |
1445 | c.delay = 60; | |
d013a55e | 1446 | rv= Monitor(devlist, mailaddr, program, |
95c50205 N |
1447 | &c, daemonise, oneshot, |
1448 | dosyslog, pidfile, increments, | |
1449 | spare_sharing); | |
9a9dab36 | 1450 | break; |
dd0781e5 NB |
1451 | |
1452 | case GROW: | |
a93f8c65 | 1453 | if (array_size > 0) { |
84e11361 N |
1454 | /* alway impose array size first, independent of |
1455 | * anything else | |
9ce510be N |
1456 | * Do not allow level or raid_disks changes at the |
1457 | * same time as that can be irreversibly destructive. | |
84e11361 N |
1458 | */ |
1459 | struct mdinfo sra; | |
1460 | int err; | |
e705e81b | 1461 | if (s.raiddisks || s.level != UnSet) { |
e7b84f9d | 1462 | pr_err("cannot change array size in same operation " |
9ce510be N |
1463 | "as changing raiddisks or level.\n" |
1464 | " Change size first, then check that data is still intact.\n"); | |
1465 | rv = 1; | |
1466 | break; | |
1467 | } | |
4dd2df09 | 1468 | sysfs_init(&sra, mdfd, NULL); |
a93f8c65 | 1469 | if (array_size == MAX_SIZE) |
84e11361 N |
1470 | err = sysfs_set_str(&sra, NULL, "array_size", "default"); |
1471 | else | |
1472 | err = sysfs_set_num(&sra, NULL, "array_size", array_size / 2); | |
1473 | if (err < 0) { | |
1474 | if (errno == E2BIG) | |
e7b84f9d | 1475 | pr_err("--array-size setting" |
84e11361 N |
1476 | " is too large.\n"); |
1477 | else | |
e7b84f9d | 1478 | pr_err("current kernel does" |
84e11361 N |
1479 | " not support setting --array-size\n"); |
1480 | rv = 1; | |
1481 | break; | |
1482 | } | |
1483 | } | |
e705e81b | 1484 | if (devs_found > 1 && s.raiddisks == 0) { |
e5329c37 | 1485 | /* must be '-a'. */ |
e705e81b | 1486 | if (s.size > 0 || s.chunk || s.layout_str != NULL || s.bitmap_file) { |
e7b84f9d | 1487 | pr_err("--add cannot be used with " |
e2e53a2d | 1488 | "other geometry changes in --grow mode\n"); |
e5329c37 NB |
1489 | rv = 1; |
1490 | break; | |
1491 | } | |
1492 | for (dv=devlist->next; dv ; dv=dv->next) { | |
e2e53a2d N |
1493 | rv = Grow_Add_device(devlist->devname, mdfd, |
1494 | dv->devname); | |
e5329c37 NB |
1495 | if (rv) |
1496 | break; | |
1497 | } | |
e705e81b N |
1498 | } else if (s.bitmap_file) { |
1499 | if (s.size > 0 || s.raiddisks || s.chunk || | |
1500 | s.layout_str != NULL || devs_found > 1) { | |
e7b84f9d | 1501 | pr_err("--bitmap changes cannot be " |
e2e53a2d N |
1502 | "used with other geometry changes " |
1503 | "in --grow mode\n"); | |
7236ee7a N |
1504 | rv = 1; |
1505 | break; | |
1506 | } | |
9e33d556 N |
1507 | if (c.delay == 0) |
1508 | c.delay = DEFAULT_BITMAP_DELAY; | |
50f01ba5 | 1509 | rv = Grow_addbitmap(devlist->devname, mdfd, &c, &s); |
2dddadb0 AK |
1510 | } else if (grow_continue) |
1511 | rv = Grow_continue_command(devlist->devname, | |
9e33d556 | 1512 | mdfd, c.backup_file, |
0937132d | 1513 | c.verbose); |
e705e81b N |
1514 | else if (s.size > 0 || s.raiddisks || s.layout_str != NULL |
1515 | || s.chunk != 0 || s.level != UnSet) { | |
32754b7d | 1516 | rv = Grow_reshape(devlist->devname, mdfd, |
40c9a66a N |
1517 | devlist->next, |
1518 | data_offset, &c, &s); | |
a93f8c65 | 1519 | } else if (array_size == 0) |
e7b84f9d | 1520 | pr_err("no changes to --grow\n"); |
dd0781e5 | 1521 | break; |
8382f19b NB |
1522 | case INCREMENTAL: |
1523 | if (rebuild_map) { | |
1524 | RebuildMap(); | |
1525 | } | |
9e33d556 N |
1526 | if (c.scan) { |
1527 | if (c.runstop <= 0) { | |
e7b84f9d | 1528 | pr_err("--incremental --scan meaningless without --run.\n"); |
8382f19b NB |
1529 | break; |
1530 | } | |
29ba4804 | 1531 | if (devmode == 'f') { |
e7b84f9d | 1532 | pr_err("--incremental --scan --fail not supported.\n"); |
29ba4804 N |
1533 | break; |
1534 | } | |
0937132d | 1535 | rv = IncrementalScan(c.verbose); |
8382f19b NB |
1536 | } |
1537 | if (!devlist) { | |
9e33d556 | 1538 | if (!rebuild_map && !c.scan) { |
e7b84f9d | 1539 | pr_err("--incremental requires a device.\n"); |
8382f19b NB |
1540 | rv = 1; |
1541 | } | |
1542 | break; | |
1543 | } | |
1544 | if (devlist->next) { | |
e7b84f9d | 1545 | pr_err("--incremental can only handle one device.\n"); |
8382f19b NB |
1546 | rv = 1; |
1547 | break; | |
1548 | } | |
950bc344 PC |
1549 | if (devmode == 'f') |
1550 | rv = IncrementalRemove(devlist->devname, remove_path, | |
0937132d | 1551 | c.verbose); |
950bc344 | 1552 | else |
11b6d91d | 1553 | rv = Incremental(devlist->devname, &c, ss); |
1f48664b NB |
1554 | break; |
1555 | case AUTODETECT: | |
1556 | autodetect(); | |
1557 | break; | |
64c4757e | 1558 | } |
52826846 | 1559 | exit(rv); |
64c4757e | 1560 | } |
3cbc4d12 | 1561 | |
4977146a N |
1562 | static int scan_assemble(struct supertype *ss, |
1563 | struct context *c, | |
1564 | struct mddev_ident *ident) | |
3cbc4d12 N |
1565 | { |
1566 | struct mddev_ident *a, *array_list = conf_get_ident(NULL); | |
1567 | struct mddev_dev *devlist = conf_get_devs(); | |
1568 | struct map_ent *map = NULL; | |
1569 | int cnt = 0; | |
1570 | int rv = 0; | |
1571 | int failures, successes; | |
1572 | ||
1573 | if (conf_verify_devnames(array_list)) { | |
e7b84f9d N |
1574 | pr_err("Duplicate MD device names in " |
1575 | "conf file were found.\n"); | |
3cbc4d12 N |
1576 | return 1; |
1577 | } | |
1578 | if (devlist == NULL) { | |
e7b84f9d | 1579 | pr_err("No devices listed in conf file were found.\n"); |
3cbc4d12 N |
1580 | return 1; |
1581 | } | |
1582 | for (a = array_list; a ; a = a->next) { | |
1583 | a->assembled = 0; | |
1584 | if (a->autof == 0) | |
4977146a | 1585 | a->autof = c->autof; |
3cbc4d12 N |
1586 | } |
1587 | if (map_lock(&map)) | |
e7b84f9d N |
1588 | pr_err("%s: failed to get " |
1589 | "exclusive lock on mapfile\n", | |
1590 | __func__); | |
3cbc4d12 N |
1591 | do { |
1592 | failures = 0; | |
1593 | successes = 0; | |
1594 | rv = 0; | |
1595 | for (a = array_list; a ; a = a->next) { | |
1596 | int r; | |
1597 | if (a->assembled) | |
1598 | continue; | |
1599 | if (a->devname && | |
1600 | strcasecmp(a->devname, "<ignore>") == 0) | |
1601 | continue; | |
1602 | ||
1603 | r = Assemble(ss, a->devname, | |
4977146a | 1604 | a, NULL, c); |
3cbc4d12 N |
1605 | if (r == 0) { |
1606 | a->assembled = 1; | |
1607 | successes++; | |
1608 | } else | |
1609 | failures++; | |
1610 | rv |= r; | |
1611 | cnt++; | |
1612 | } | |
1613 | } while (failures && successes); | |
4977146a | 1614 | if (c->homehost && cnt == 0) { |
3cbc4d12 N |
1615 | /* Maybe we can auto-assemble something. |
1616 | * Repeatedly call Assemble in auto-assemble mode | |
1617 | * until it fails | |
1618 | */ | |
1619 | int rv2; | |
1620 | int acnt; | |
4977146a | 1621 | ident->autof = c->autof; |
3cbc4d12 N |
1622 | do { |
1623 | struct mddev_dev *devlist = conf_get_devs(); | |
1624 | acnt = 0; | |
1625 | do { | |
1626 | rv2 = Assemble(ss, NULL, | |
1627 | ident, | |
4977146a | 1628 | devlist, c); |
3cbc4d12 N |
1629 | if (rv2==0) { |
1630 | cnt++; | |
1631 | acnt++; | |
1632 | } | |
1633 | } while (rv2!=2); | |
1634 | /* Incase there are stacked devices, we need to go around again */ | |
1635 | } while (acnt); | |
1636 | if (cnt == 0 && rv == 0) { | |
e7b84f9d | 1637 | pr_err("No arrays found in config file or automatically\n"); |
3cbc4d12 N |
1638 | rv = 1; |
1639 | } else if (cnt) | |
1640 | rv = 0; | |
1641 | } else if (cnt == 0 && rv == 0) { | |
e7b84f9d | 1642 | pr_err("No arrays found in config file\n"); |
3cbc4d12 N |
1643 | rv = 1; |
1644 | } | |
1645 | map_unlock(&map); | |
1646 | return rv; | |
1647 | } | |
7d27d1c0 | 1648 | |
ef898ce6 | 1649 | static int misc_scan(char devmode, struct context *c) |
7d27d1c0 N |
1650 | { |
1651 | /* apply --detail or --wait-clean to | |
1652 | * all devices in /proc/mdstat | |
1653 | */ | |
1654 | struct mdstat_ent *ms = mdstat_read(0, 1); | |
1655 | struct mdstat_ent *e; | |
1656 | struct map_ent *map = NULL; | |
1657 | int members; | |
7d27d1c0 N |
1658 | int rv = 0; |
1659 | ||
1660 | for (members = 0; members <= 1; members++) { | |
1661 | for (e=ms ; e ; e=e->next) { | |
743eaf8b | 1662 | char *name = NULL; |
7d27d1c0 | 1663 | struct map_ent *me; |
743eaf8b | 1664 | struct stat stb; |
7d27d1c0 N |
1665 | int member = e->metadata_version && |
1666 | strncmp(e->metadata_version, | |
1667 | "external:/", 10) == 0; | |
1668 | if (members != member) | |
1669 | continue; | |
4dd2df09 | 1670 | me = map_by_devnm(&map, e->devnm); |
7d27d1c0 N |
1671 | if (me && me->path |
1672 | && strcmp(me->path, "/unknown") != 0) | |
1673 | name = me->path; | |
743eaf8b N |
1674 | if (name == NULL || |
1675 | stat(name, &stb) != 0) | |
4dd2df09 | 1676 | name = get_md_name(e->devnm); |
7d27d1c0 N |
1677 | |
1678 | if (!name) { | |
e7b84f9d | 1679 | pr_err("cannot find device file for %s\n", |
7d27d1c0 N |
1680 | e->dev); |
1681 | continue; | |
1682 | } | |
1683 | if (devmode == 'D') | |
ef898ce6 | 1684 | rv |= Detail(name, c); |
7d27d1c0 | 1685 | else |
ef898ce6 | 1686 | rv |= WaitClean(name, -1, c->verbose); |
7d27d1c0 N |
1687 | put_md_name(name); |
1688 | } | |
1689 | } | |
1690 | free_mdstat(ms); | |
1691 | return rv; | |
1692 | } | |
1693 | ||
ba728be7 | 1694 | static int stop_scan(int verbose) |
7d27d1c0 N |
1695 | { |
1696 | /* apply --stop to all devices in /proc/mdstat */ | |
1697 | /* Due to possible stacking of devices, repeat until | |
1698 | * nothing more can be stopped | |
1699 | */ | |
1700 | int progress=1, err; | |
1701 | int last = 0; | |
1702 | int rv = 0; | |
1703 | do { | |
1704 | struct mdstat_ent *ms = mdstat_read(0, 0); | |
1705 | struct mdstat_ent *e; | |
1706 | ||
1707 | if (!progress) last = 1; | |
1708 | progress = 0; err = 0; | |
1709 | for (e=ms ; e ; e=e->next) { | |
4dd2df09 | 1710 | char *name = get_md_name(e->devnm); |
7d27d1c0 N |
1711 | int mdfd; |
1712 | ||
1713 | if (!name) { | |
e7b84f9d | 1714 | pr_err("cannot find device file for %s\n", |
7d27d1c0 N |
1715 | e->dev); |
1716 | continue; | |
1717 | } | |
1718 | mdfd = open_mddev(name, 1); | |
1719 | if (mdfd >= 0) { | |
ba728be7 | 1720 | if (Manage_runstop(name, mdfd, -1, verbose, !last)) |
7d27d1c0 N |
1721 | err = 1; |
1722 | else | |
1723 | progress = 1; | |
1724 | close(mdfd); | |
1725 | } | |
1726 | ||
1727 | put_md_name(name); | |
1728 | } | |
1729 | free_mdstat(ms); | |
1730 | } while (!last && err); | |
1731 | if (err) | |
1732 | rv |= 1; | |
1733 | return rv; | |
1734 | } | |
1735 | ||
1736 | static int misc_list(struct mddev_dev *devlist, | |
86da243f | 1737 | struct mddev_ident *ident, |
74db60b0 | 1738 | char *dump_directory, |
86da243f | 1739 | struct supertype *ss, struct context *c) |
7d27d1c0 N |
1740 | { |
1741 | struct mddev_dev *dv; | |
1742 | int rv = 0; | |
1743 | ||
74db60b0 | 1744 | for (dv=devlist ; dv; dv=(rv & 16) ? NULL : dv->next) { |
7d27d1c0 N |
1745 | int mdfd; |
1746 | ||
1747 | switch(dv->disposition) { | |
1748 | case 'D': | |
ef898ce6 | 1749 | rv |= Detail(dv->devname, c); |
7d27d1c0 N |
1750 | continue; |
1751 | case KillOpt: /* Zero superblock */ | |
1752 | if (ss) | |
86da243f | 1753 | rv |= Kill(dv->devname, ss, c->force, c->verbose,0); |
7d27d1c0 | 1754 | else { |
86da243f | 1755 | int v = c->verbose; |
7d27d1c0 | 1756 | do { |
86da243f | 1757 | rv |= Kill(dv->devname, NULL, c->force, v, 0); |
ba728be7 | 1758 | v = -1; |
7d27d1c0 N |
1759 | } while (rv == 0); |
1760 | rv &= ~2; | |
1761 | } | |
1762 | continue; | |
1763 | case 'Q': | |
1764 | rv |= Query(dv->devname); continue; | |
1765 | case 'X': | |
86da243f | 1766 | rv |= ExamineBitmap(dv->devname, c->brief, ss); continue; |
6d388a88 N |
1767 | case ExamineBB: |
1768 | rv |= ExamineBadblocks(dv->devname, c->brief, ss); continue; | |
7d27d1c0 N |
1769 | case 'W': |
1770 | case WaitOpt: | |
1771 | rv |= Wait(dv->devname); continue; | |
1772 | case Waitclean: | |
86da243f | 1773 | rv |= WaitClean(dv->devname, -1, c->verbose); continue; |
7d27d1c0 | 1774 | case KillSubarray: |
86da243f | 1775 | rv |= Kill_subarray(dv->devname, c->subarray, c->verbose); |
7d27d1c0 N |
1776 | continue; |
1777 | case UpdateSubarray: | |
86da243f | 1778 | if (c->update == NULL) { |
e7b84f9d | 1779 | pr_err("-U/--update must be specified with --update-subarray\n"); |
7d27d1c0 N |
1780 | rv |= 1; |
1781 | continue; | |
1782 | } | |
86da243f N |
1783 | rv |= Update_subarray(dv->devname, c->subarray, |
1784 | c->update, ident, c->verbose); | |
7d27d1c0 | 1785 | continue; |
74db60b0 N |
1786 | case Dump: |
1787 | rv |= Dump_metadata(dv->devname, dump_directory, c, ss); | |
1788 | continue; | |
1789 | case Restore: | |
1790 | rv |= Restore_metadata(dv->devname, dump_directory, c, ss, | |
1791 | (dv == devlist && dv->next == NULL)); | |
1792 | continue; | |
7d27d1c0 N |
1793 | } |
1794 | mdfd = open_mddev(dv->devname, 1); | |
1795 | if (mdfd>=0) { | |
1796 | switch(dv->disposition) { | |
1797 | case 'R': | |
86da243f | 1798 | rv |= Manage_runstop(dv->devname, mdfd, 1, c->verbose, 0); break; |
7d27d1c0 | 1799 | case 'S': |
86da243f | 1800 | rv |= Manage_runstop(dv->devname, mdfd, -1, c->verbose, 0); break; |
7d27d1c0 N |
1801 | case 'o': |
1802 | rv |= Manage_ro(dv->devname, mdfd, 1); break; | |
1803 | case 'w': | |
1804 | rv |= Manage_ro(dv->devname, mdfd, -1); break; | |
1805 | } | |
1806 | close(mdfd); | |
1807 | } else | |
1808 | rv |= 1; | |
1809 | } | |
1810 | return rv; | |
1811 | } |