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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 | |
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); |
7d27d1c0 | 41 | |
52826846 NB |
42 | int main(int argc, char *argv[]) |
43 | { | |
e0d19036 | 44 | int mode = 0; |
52826846 | 45 | int opt; |
e0d19036 | 46 | int option_index; |
52826846 | 47 | int rv; |
f9ce90ba | 48 | int i; |
52826846 | 49 | |
a93f8c65 | 50 | unsigned long long array_size = 0; |
40c9a66a | 51 | unsigned long long data_offset = INVALID_SECTORS; |
fa56eddb | 52 | struct mddev_ident ident; |
52826846 | 53 | char *configfile = NULL; |
1c7a808c | 54 | int devmode = 0; |
c82f047c | 55 | int bitmap_fd = -1; |
a655e550 N |
56 | struct mddev_dev *devlist = NULL; |
57 | struct mddev_dev **devlistend = & devlist; | |
58 | struct mddev_dev *dv; | |
52826846 | 59 | int devs_found = 0; |
38098016 | 60 | char *symlinks = NULL; |
2dddadb0 | 61 | int grow_continue = 0; |
f1ae21c4 NB |
62 | /* autof indicates whether and how to create device node. |
63 | * bottom 3 bits are style. Rest (when shifted) are number of parts | |
64 | * 0 - unset | |
65 | * 1 - don't create (no) | |
66 | * 2 - if is_standard, then create (yes) | |
67 | * 3 - create as 'md' - reject is_standard mdp (md) | |
68 | * 4 - create as 'mdp' - reject is_standard md (mdp) | |
69 | * 5 - default to md if not is_standard (md in config file) | |
70 | * 6 - default to mdp if not is_standard (part, or mdp in config file) | |
71 | */ | |
9e33d556 N |
72 | struct context c = { |
73 | .require_homehost = 1, | |
74 | }; | |
e705e81b N |
75 | struct shape s = { |
76 | .level = UnSet, | |
77 | .layout = UnSet, | |
78 | .bitmap_chunk = UnSet, | |
79 | }; | |
52826846 | 80 | |
05697ec1 | 81 | char sys_hostname[256]; |
52826846 NB |
82 | char *mailaddr = NULL; |
83 | char *program = NULL; | |
9a36a9b7 | 84 | int increments = 20; |
d013a55e | 85 | int daemonise = 0; |
b5e64645 | 86 | char *pidfile = NULL; |
aa88f531 | 87 | int oneshot = 0; |
edde9560 | 88 | int spare_sharing = 1; |
82d9eba6 | 89 | struct supertype *ss = NULL; |
dfd4d8ee | 90 | int writemostly = 0; |
c06487ce | 91 | char *shortopt = short_options; |
773135f5 | 92 | int dosyslog = 0; |
8382f19b | 93 | int rebuild_map = 0; |
950bc344 | 94 | char *remove_path = NULL; |
20b60dcd | 95 | char *udev_filename = NULL; |
74db60b0 | 96 | char *dump_directory = NULL; |
52826846 | 97 | |
3d4064cc | 98 | int print_help = 0; |
0047d254 | 99 | FILE *outf; |
e5329c37 | 100 | |
52826846 NB |
101 | int mdfd = -1; |
102 | ||
dfe47e00 NB |
103 | srandom(time(0) ^ getpid()); |
104 | ||
52826846 | 105 | ident.uuid_set=0; |
98c6faba NB |
106 | ident.level = UnSet; |
107 | ident.raid_disks = UnSet; | |
108 | ident.super_minor= UnSet; | |
52826846 | 109 | ident.devices=0; |
a75f2fbc NB |
110 | ident.spare_group = NULL; |
111 | ident.autof = 0; | |
a825febc | 112 | ident.st = NULL; |
c82f047c | 113 | ident.bitmap_fd = -1; |
7ef02d01 | 114 | ident.bitmap_file = NULL; |
947fd4dd | 115 | ident.name[0] = 0; |
aef35714 N |
116 | ident.container = NULL; |
117 | ident.member = NULL; | |
52826846 | 118 | |
3e23ba9d JS |
119 | /* |
120 | * set first char of argv[0] to @. This is used by | |
121 | * systemd to signal that the task was launched from | |
122 | * initrd/initramfs and should be preserved during shutdown | |
123 | */ | |
124 | argv[0][0] = '@'; | |
125 | ||
e0d19036 NB |
126 | while ((option_index = -1) , |
127 | (opt=getopt_long(argc, argv, | |
c06487ce | 128 | shortopt, long_options, |
e0d19036 NB |
129 | &option_index)) != -1) { |
130 | int newmode = mode; | |
35904960 | 131 | /* firstly, some mode-independent options */ |
52826846 | 132 | switch(opt) { |
1c7a808c N |
133 | case HelpOptions: |
134 | print_help = 2; | |
135 | continue; | |
52826846 | 136 | case 'h': |
1c7a808c | 137 | print_help = 1; |
3d4064cc | 138 | continue; |
52826846 NB |
139 | |
140 | case 'V': | |
141 | fputs(Version, stderr); | |
142 | exit(0); | |
143 | ||
9e33d556 | 144 | case 'v': c.verbose++; |
52826846 NB |
145 | continue; |
146 | ||
0937132d | 147 | case 'q': c.verbose--; |
dab6685f NB |
148 | continue; |
149 | ||
c82f047c | 150 | case 'b': |
1c7a808c N |
151 | if (mode == ASSEMBLE || mode == BUILD || mode == CREATE |
152 | || mode == GROW || mode == INCREMENTAL | |
153 | || mode == MANAGE) | |
c82f047c | 154 | break; /* b means bitmap */ |
1c7a808c | 155 | case Brief: |
9e33d556 | 156 | c.brief = 1; |
cd29a5c8 NB |
157 | continue; |
158 | ||
9e33d556 | 159 | case 'Y': c.export++; |
54bad364 KS |
160 | continue; |
161 | ||
997aed5d | 162 | case HomeHost: |
0ac91628 | 163 | if (strcasecmp(optarg, "<ignore>") == 0) |
9e33d556 | 164 | c.require_homehost = 0; |
0ac91628 | 165 | else |
9e33d556 | 166 | c.homehost = optarg; |
997aed5d NB |
167 | continue; |
168 | ||
08ca2adf | 169 | case OffRootOpt: |
3e23ba9d | 170 | /* Silently ignore old option */ |
08ca2adf JS |
171 | continue; |
172 | ||
c2ecf5f6 | 173 | case Prefer: |
9e33d556 N |
174 | if (c.prefer) |
175 | free(c.prefer); | |
176 | if (asprintf(&c.prefer, "/%s/", optarg) <= 0) | |
177 | c.prefer = NULL; | |
c2ecf5f6 N |
178 | continue; |
179 | ||
e0d19036 NB |
180 | case ':': |
181 | case '?': | |
182 | fputs(Usage, stderr); | |
183 | exit(2); | |
184 | } | |
185 | /* second, figure out the mode. | |
186 | * Some options force the mode. Others | |
aba69144 | 187 | * set the mode if it isn't already |
e0d19036 NB |
188 | */ |
189 | ||
190 | switch(opt) { | |
1c7a808c | 191 | case ManageOpt: |
c06487ce | 192 | newmode = MANAGE; |
024768c4 | 193 | shortopt = short_bitmap_options; |
c06487ce | 194 | break; |
e0d19036 | 195 | case 'a': |
1c7a808c | 196 | case Add: |
e0d19036 | 197 | case 'r': |
1c7a808c | 198 | case Remove: |
70c55e36 N |
199 | case Replace: |
200 | case With: | |
e0d19036 | 201 | case 'f': |
1c7a808c | 202 | case Fail: |
41a3b72a | 203 | case ReAdd: /* re-add */ |
c06487ce NB |
204 | if (!mode) { |
205 | newmode = MANAGE; | |
024768c4 | 206 | shortopt = short_bitmap_options; |
c06487ce | 207 | } |
0320ea45 | 208 | break; |
e0d19036 | 209 | |
18361a1a N |
210 | case 'A': newmode = ASSEMBLE; |
211 | shortopt = short_bitmap_auto_options; | |
212 | break; | |
213 | case 'B': newmode = BUILD; | |
214 | shortopt = short_bitmap_auto_options; | |
215 | break; | |
216 | case 'C': newmode = CREATE; | |
217 | shortopt = short_bitmap_auto_options; | |
218 | break; | |
219 | case 'F': newmode = MONITOR; | |
220 | break; | |
024768c4 DL |
221 | case 'G': newmode = GROW; |
222 | shortopt = short_bitmap_options; | |
223 | break; | |
95b79df0 | 224 | case 'I': newmode = INCREMENTAL; |
18361a1a N |
225 | shortopt = short_bitmap_auto_options; |
226 | break; | |
1f48664b | 227 | case AutoDetect: |
5a53aeec JS |
228 | newmode = AUTODETECT; |
229 | break; | |
e0d19036 | 230 | |
1c7a808c | 231 | case MiscOpt: |
e0d19036 NB |
232 | case 'D': |
233 | case 'E': | |
c82f047c | 234 | case 'X': |
5a53aeec | 235 | case 'Q': |
6d388a88 | 236 | case ExamineBB: |
74db60b0 N |
237 | case Dump: |
238 | case Restore: | |
5a53aeec JS |
239 | newmode = MISC; |
240 | break; | |
241 | ||
e0d19036 NB |
242 | case 'R': |
243 | case 'S': | |
244 | case 'o': | |
245 | case 'w': | |
b90c0e9a | 246 | case 'W': |
1c7a808c | 247 | case WaitOpt: |
1770662b | 248 | case Waitclean: |
4cce4069 | 249 | case DetailPlatform: |
33414a01 | 250 | case KillSubarray: |
aa534678 | 251 | case UpdateSubarray: |
20b60dcd | 252 | case UdevRules: |
f7d3febc | 253 | case KillOpt: |
5a53aeec JS |
254 | if (!mode) |
255 | newmode = MISC; | |
256 | break; | |
257 | ||
258 | case NoSharing: | |
259 | newmode = MONITOR; | |
260 | break; | |
e0d19036 NB |
261 | } |
262 | if (mode && newmode == mode) { | |
263 | /* everybody happy ! */ | |
264 | } else if (mode && newmode != mode) { | |
265 | /* not allowed.. */ | |
e7b84f9d | 266 | pr_err(""); |
e0d19036 NB |
267 | if (option_index >= 0) |
268 | fprintf(stderr, "--%s", long_options[option_index].name); | |
269 | else | |
270 | fprintf(stderr, "-%c", opt); | |
e6b64cd0 | 271 | fprintf(stderr, " would set mdadm mode to \"%s\", but it is already set to \"%s\".\n", |
e0d19036 NB |
272 | map_num(modes, newmode), |
273 | map_num(modes, mode)); | |
274 | exit(2); | |
275 | } else if (!mode && newmode) { | |
276 | mode = newmode; | |
dec18cae | 277 | if (mode == MISC && devs_found) { |
e7b84f9d | 278 | pr_err("No action given for %s in --misc mode\n", |
dec18cae | 279 | devlist->devname); |
d33f1518 | 280 | cont_err("Action options must come before device names\n"); |
dec18cae N |
281 | exit(2); |
282 | } | |
e0d19036 NB |
283 | } else { |
284 | /* special case of -c --help */ | |
1c7a808c | 285 | if ((opt == 'c' || opt == ConfigFile) && |
e0d19036 NB |
286 | ( strncmp(optarg, "--h", 3)==0 || |
287 | strncmp(optarg, "-h", 2)==0)) { | |
0047d254 | 288 | fputs(Help_config, stdout); |
e0d19036 | 289 | exit(0); |
cd29a5c8 | 290 | } |
0320ea45 NB |
291 | |
292 | /* If first option is a device, don't force the mode yet */ | |
293 | if (opt == 1) { | |
294 | if (devs_found == 0) { | |
503975b9 | 295 | dv = xmalloc(sizeof(*dv)); |
0320ea45 NB |
296 | dv->devname = optarg; |
297 | dv->disposition = devmode; | |
dfd4d8ee | 298 | dv->writemostly = writemostly; |
da6b5ca9 | 299 | dv->used = 0; |
0320ea45 NB |
300 | dv->next = NULL; |
301 | *devlistend = dv; | |
302 | devlistend = &dv->next; | |
aba69144 | 303 | |
0320ea45 NB |
304 | devs_found++; |
305 | continue; | |
306 | } | |
307 | /* No mode yet, and this is the second device ... */ | |
e7b84f9d | 308 | pr_err("An option must be given to set the mode before a second device\n" |
a1331cc4 | 309 | " (%s) is listed\n", optarg); |
0320ea45 NB |
310 | exit(2); |
311 | } | |
e0d19036 | 312 | if (option_index >= 0) |
e7b84f9d | 313 | pr_err("--%s", long_options[option_index].name); |
e0d19036 | 314 | else |
e7b84f9d | 315 | pr_err("-%c", opt); |
0320ea45 | 316 | fprintf(stderr, " does not set the mode, and so cannot be the first option.\n"); |
e0d19036 NB |
317 | exit(2); |
318 | } | |
319 | ||
320 | /* if we just set the mode, then done */ | |
321 | switch(opt) { | |
1c7a808c N |
322 | case ManageOpt: |
323 | case MiscOpt: | |
e0d19036 NB |
324 | case 'A': |
325 | case 'B': | |
326 | case 'C': | |
327 | case 'F': | |
dd0781e5 | 328 | case 'G': |
8382f19b | 329 | case 'I': |
1f48664b | 330 | case AutoDetect: |
e0d19036 NB |
331 | continue; |
332 | } | |
333 | if (opt == 1) { | |
9eafa1de | 334 | /* an undecorated option - must be a device name. |
e0d19036 | 335 | */ |
9eafa1de MN |
336 | |
337 | if (devs_found > 0 && devmode == DetailPlatform) { | |
338 | pr_err("controller may only be specified once. %s ignored\n", | |
339 | optarg); | |
340 | continue; | |
341 | } | |
342 | ||
1c7a808c | 343 | if (devs_found > 0 && mode == MANAGE && !devmode) { |
e7b84f9d | 344 | pr_err("Must give one of -a/-r/-f" |
1c7a808c | 345 | " for subsequent devices at %s\n", optarg); |
52826846 NB |
346 | exit(2); |
347 | } | |
1c7a808c | 348 | if (devs_found > 0 && mode == GROW && !devmode) { |
e7b84f9d N |
349 | pr_err("Must give -a/--add for" |
350 | " devices to add: %s\n", optarg); | |
e5329c37 NB |
351 | exit(2); |
352 | } | |
503975b9 | 353 | dv = xmalloc(sizeof(*dv)); |
cd29a5c8 NB |
354 | dv->devname = optarg; |
355 | dv->disposition = devmode; | |
dfd4d8ee | 356 | dv->writemostly = writemostly; |
9008ed1c | 357 | dv->used = 0; |
cd29a5c8 NB |
358 | dv->next = NULL; |
359 | *devlistend = dv; | |
360 | devlistend = &dv->next; | |
aba69144 | 361 | |
52826846 NB |
362 | devs_found++; |
363 | continue; | |
682c7051 | 364 | } |
682c7051 | 365 | |
52826846 NB |
366 | /* We've got a mode, and opt is now something else which |
367 | * could depend on the mode */ | |
1c7a808c | 368 | #define O(a,b) ((a<<16)|b) |
52826846 | 369 | switch (O(mode,opt)) { |
7236ee7a | 370 | case O(GROW,'c'): |
1c7a808c | 371 | case O(GROW,ChunkSize): |
e0d19036 | 372 | case O(CREATE,'c'): |
1c7a808c | 373 | case O(CREATE,ChunkSize): |
e0d19036 | 374 | case O(BUILD,'c'): /* chunk or rounding */ |
1c7a808c | 375 | case O(BUILD,ChunkSize): /* chunk or rounding */ |
e705e81b | 376 | if (s.chunk) { |
e7b84f9d | 377 | pr_err("chunk/rounding may only be specified once. " |
52826846 NB |
378 | "Second value is %s.\n", optarg); |
379 | exit(2); | |
380 | } | |
e705e81b | 381 | s.chunk = parse_size(optarg); |
822e393a N |
382 | if (s.chunk == INVALID_SECTORS || |
383 | s.chunk < 8 || (s.chunk&1)) { | |
e7b84f9d | 384 | pr_err("invalid chunk/rounding value: %s\n", |
52826846 NB |
385 | optarg); |
386 | exit(2); | |
387 | } | |
a252c078 | 388 | /* Convert sectors to K */ |
e705e81b | 389 | s.chunk /= 2; |
52826846 | 390 | continue; |
64c4757e | 391 | |
8382f19b | 392 | case O(INCREMENTAL, 'e'): |
f9ce90ba NB |
393 | case O(CREATE,'e'): |
394 | case O(ASSEMBLE,'e'): | |
395 | case O(MISC,'e'): /* set metadata (superblock) information */ | |
396 | if (ss) { | |
e7b84f9d | 397 | pr_err("metadata information already given\n"); |
f9ce90ba NB |
398 | exit(2); |
399 | } | |
aba69144 | 400 | for(i=0; !ss && superlist[i]; i++) |
82d9eba6 NB |
401 | ss = superlist[i]->match_metadata_desc(optarg); |
402 | ||
f9ce90ba | 403 | if (!ss) { |
e7b84f9d | 404 | pr_err("unrecognised metadata identifier: %s\n", optarg); |
f9ce90ba NB |
405 | exit(2); |
406 | } | |
407 | continue; | |
408 | ||
dfd4d8ee | 409 | case O(MANAGE,'W'): |
1c7a808c | 410 | case O(MANAGE,WriteMostly): |
dfd4d8ee | 411 | case O(BUILD,'W'): |
1c7a808c | 412 | case O(BUILD,WriteMostly): |
dfd4d8ee | 413 | case O(CREATE,'W'): |
1c7a808c | 414 | case O(CREATE,WriteMostly): |
dfd4d8ee NB |
415 | /* set write-mostly for following devices */ |
416 | writemostly = 1; | |
417 | continue; | |
418 | ||
b3d31955 N |
419 | case O(MANAGE,'w'): |
420 | /* clear write-mostly for following devices */ | |
421 | writemostly = 2; | |
422 | continue; | |
423 | ||
dd0781e5 | 424 | case O(GROW,'z'): |
25affb56 PC |
425 | case O(CREATE,'z'): |
426 | case O(BUILD,'z'): /* size */ | |
e705e81b | 427 | if (s.size > 0) { |
e7b84f9d | 428 | pr_err("size may only be specified once. " |
52826846 NB |
429 | "Second value is %s.\n", optarg); |
430 | exit(2); | |
431 | } | |
dd0781e5 | 432 | if (strcmp(optarg, "max")==0) |
e705e81b | 433 | s.size = MAX_SIZE; |
dd0781e5 | 434 | else { |
e705e81b | 435 | s.size = parse_size(optarg); |
822e393a N |
436 | if (s.size == INVALID_SECTORS || |
437 | s.size < 8) { | |
e7b84f9d | 438 | pr_err("invalid size: %s\n", |
dd0781e5 NB |
439 | optarg); |
440 | exit(2); | |
441 | } | |
5f4fc0e1 | 442 | /* convert sectors to K */ |
e705e81b | 443 | s.size /= 2; |
52826846 NB |
444 | } |
445 | continue; | |
64c4757e | 446 | |
84e11361 | 447 | case O(GROW,'Z'): /* array size */ |
a93f8c65 | 448 | if (array_size > 0) { |
e7b84f9d | 449 | pr_err("array-size may only be specified once. " |
84e11361 N |
450 | "Second value is %s.\n", optarg); |
451 | exit(2); | |
452 | } | |
453 | if (strcmp(optarg, "max") == 0) | |
a93f8c65 | 454 | array_size = MAX_SIZE; |
84e11361 N |
455 | else { |
456 | array_size = parse_size(optarg); | |
822e393a N |
457 | if (array_size == 0 || |
458 | array_size == INVALID_SECTORS) { | |
e7b84f9d | 459 | pr_err("invalid array size: %s\n", |
84e11361 N |
460 | optarg); |
461 | exit(2); | |
462 | } | |
463 | } | |
464 | continue; | |
465 | ||
40c9a66a N |
466 | case O(CREATE,DataOffset): |
467 | case O(GROW,DataOffset): | |
468 | if (data_offset != INVALID_SECTORS) { | |
ed503f89 | 469 | pr_err("data-offset may only be specified one. " |
40c9a66a N |
470 | "Second value is %s.\n", optarg); |
471 | exit(2); | |
472 | } | |
72ca9bcf N |
473 | if (mode == CREATE && |
474 | strcmp(optarg, "variable") == 0) | |
475 | data_offset = VARIABLE_OFFSET; | |
476 | else | |
477 | data_offset = parse_size(optarg); | |
40c9a66a | 478 | if (data_offset == INVALID_SECTORS) { |
ed503f89 | 479 | pr_err("invalid data-offset: %s\n", |
40c9a66a N |
480 | optarg); |
481 | exit(2); | |
482 | } | |
483 | continue; | |
484 | ||
7236ee7a | 485 | case O(GROW,'l'): |
e0d19036 NB |
486 | case O(CREATE,'l'): |
487 | case O(BUILD,'l'): /* set raid level*/ | |
e705e81b | 488 | if (s.level != UnSet) { |
e7b84f9d | 489 | pr_err("raid level may only be set once. " |
52826846 NB |
490 | "Second value is %s.\n", optarg); |
491 | exit(2); | |
492 | } | |
e705e81b N |
493 | s.level = map_name(pers, optarg); |
494 | if (s.level == UnSet) { | |
e7b84f9d | 495 | pr_err("invalid raid level: %s\n", |
52826846 NB |
496 | optarg); |
497 | exit(2); | |
498 | } | |
e705e81b N |
499 | if (s.level != 0 && s.level != LEVEL_LINEAR && s.level != 1 && |
500 | s.level != LEVEL_MULTIPATH && s.level != LEVEL_FAULTY && | |
501 | s.level != 10 && | |
e0fe762a | 502 | mode == BUILD) { |
e7b84f9d | 503 | pr_err("Raid level %s not permitted with --build.\n", |
52826846 NB |
504 | optarg); |
505 | exit(2); | |
506 | } | |
e705e81b | 507 | if (s.sparedisks > 0 && s.level < 1 && s.level >= -1) { |
e7b84f9d | 508 | pr_err("raid level %s is incompatible with spare-devices setting.\n", |
52826846 NB |
509 | optarg); |
510 | exit(2); | |
511 | } | |
e705e81b | 512 | ident.level = s.level; |
52826846 | 513 | continue; |
64c4757e | 514 | |
19678e53 | 515 | case O(GROW, 'p'): /* new layout */ |
1c7a808c | 516 | case O(GROW, Layout): |
e705e81b | 517 | if (s.layout_str) { |
e7b84f9d N |
518 | pr_err("layout may only be sent once. " |
519 | "Second value was %s\n", optarg); | |
19678e53 N |
520 | exit(2); |
521 | } | |
e705e81b | 522 | s.layout_str = optarg; |
19678e53 N |
523 | /* 'Grow' will parse the value */ |
524 | continue; | |
525 | ||
e0d19036 | 526 | case O(CREATE,'p'): /* raid5 layout */ |
1c7a808c | 527 | case O(CREATE,Layout): |
b5e64645 | 528 | case O(BUILD,'p'): /* faulty layout */ |
1c7a808c | 529 | case O(BUILD,Layout): |
e705e81b | 530 | if (s.layout != UnSet) { |
e7b84f9d N |
531 | pr_err("layout may only be sent once. " |
532 | "Second value was %s\n", optarg); | |
52826846 NB |
533 | exit(2); |
534 | } | |
e705e81b | 535 | switch(s.level) { |
52826846 | 536 | default: |
e7b84f9d | 537 | pr_err("layout not meaningful for %s arrays.\n", |
e705e81b | 538 | map_num(pers, s.level)); |
52826846 | 539 | exit(2); |
98c6faba | 540 | case UnSet: |
e7b84f9d | 541 | pr_err("raid level must be given before layout.\n"); |
52826846 NB |
542 | exit(2); |
543 | ||
544 | case 5: | |
e705e81b N |
545 | s.layout = map_name(r5layout, optarg); |
546 | if (s.layout==UnSet) { | |
e7b84f9d | 547 | pr_err("layout %s not understood for raid5.\n", |
52826846 NB |
548 | optarg); |
549 | exit(2); | |
550 | } | |
551 | break; | |
b640a252 | 552 | case 6: |
e705e81b N |
553 | s.layout = map_name(r6layout, optarg); |
554 | if (s.layout==UnSet) { | |
e7b84f9d | 555 | pr_err("layout %s not understood for raid6.\n", |
b640a252 N |
556 | optarg); |
557 | exit(2); | |
558 | } | |
559 | break; | |
e5329c37 NB |
560 | |
561 | case 10: | |
e705e81b N |
562 | s.layout = parse_layout_10(optarg); |
563 | if (s.layout < 0) { | |
e7b84f9d | 564 | pr_err("layout for raid10 must be 'nNN', 'oNN' or 'fNN' where NN is a number, not %s\n", optarg); |
e5329c37 NB |
565 | exit(2); |
566 | } | |
e5329c37 | 567 | break; |
19678e53 N |
568 | case LEVEL_FAULTY: |
569 | /* Faulty | |
570 | * modeNNN | |
571 | */ | |
e705e81b N |
572 | s.layout = parse_layout_faulty(optarg); |
573 | if (s.layout == -1) { | |
e7b84f9d | 574 | pr_err("layout %s not understood for faulty.\n", |
b5e64645 NB |
575 | optarg); |
576 | exit(2); | |
577 | } | |
4a06e2c2 | 578 | break; |
52826846 NB |
579 | } |
580 | continue; | |
581 | ||
997aed5d NB |
582 | case O(CREATE,AssumeClean): |
583 | case O(BUILD,AssumeClean): /* assume clean */ | |
ce52f92f | 584 | case O(GROW,AssumeClean): |
e705e81b | 585 | s.assume_clean = 1; |
dd0781e5 NB |
586 | continue; |
587 | ||
588 | case O(GROW,'n'): | |
e0d19036 NB |
589 | case O(CREATE,'n'): |
590 | case O(BUILD,'n'): /* number of raid disks */ | |
e705e81b | 591 | if (s.raiddisks) { |
e7b84f9d | 592 | pr_err("raid-devices set twice: %d and %s\n", |
e705e81b | 593 | s.raiddisks, optarg); |
52826846 NB |
594 | exit(2); |
595 | } | |
e705e81b N |
596 | s.raiddisks = parse_num(optarg); |
597 | if (s.raiddisks <= 0) { | |
e7b84f9d | 598 | pr_err("invalid number of raid devices: %s\n", |
52826846 NB |
599 | optarg); |
600 | exit(2); | |
601 | } | |
e705e81b | 602 | ident.raid_disks = s.raiddisks; |
52826846 NB |
603 | continue; |
604 | ||
18361a1a | 605 | case O(CREATE,'x'): /* number of spare (eXtra) disks */ |
e705e81b | 606 | if (s.sparedisks) { |
e7b84f9d | 607 | pr_err("spare-devices set twice: %d and %s\n", |
e705e81b | 608 | s.sparedisks, optarg); |
52826846 NB |
609 | exit(2); |
610 | } | |
e705e81b | 611 | if (s.level != UnSet && s.level <= 0 && s.level >= -1) { |
e7b84f9d | 612 | pr_err("spare-devices setting is incompatible with raid level %d\n", |
e705e81b | 613 | s.level); |
52826846 NB |
614 | exit(2); |
615 | } | |
e705e81b N |
616 | s.sparedisks = parse_num(optarg); |
617 | if (s.sparedisks < 0) { | |
e7b84f9d | 618 | pr_err("invalid number of spare-devices: %s\n", |
52826846 NB |
619 | optarg); |
620 | exit(2); | |
621 | } | |
622 | continue; | |
dd0781e5 NB |
623 | |
624 | case O(CREATE,'a'): | |
1c7a808c | 625 | case O(CREATE,Auto): |
dd0781e5 | 626 | case O(BUILD,'a'): |
1c7a808c | 627 | case O(BUILD,Auto): |
95b79df0 | 628 | case O(INCREMENTAL,'a'): |
1c7a808c N |
629 | case O(INCREMENTAL,Auto): |
630 | case O(ASSEMBLE,'a'): | |
631 | case O(ASSEMBLE,Auto): /* auto-creation of device node */ | |
9e33d556 | 632 | c.autof = parse_auto(optarg, "--auto flag", 0); |
dd0781e5 NB |
633 | continue; |
634 | ||
38098016 NB |
635 | case O(CREATE,Symlinks): |
636 | case O(BUILD,Symlinks): | |
637 | case O(ASSEMBLE,Symlinks): /* auto creation of symlinks in /dev to /dev/md */ | |
638 | symlinks = optarg; | |
639 | continue; | |
640 | ||
aa88f531 | 641 | case O(BUILD,'f'): /* force honouring '-n 1' */ |
1c7a808c | 642 | case O(BUILD,Force): /* force honouring '-n 1' */ |
bd72c2b2 | 643 | case O(GROW,'f'): /* ditto */ |
1c7a808c | 644 | case O(GROW,Force): /* ditto */ |
e0d19036 | 645 | case O(CREATE,'f'): /* force honouring of device list */ |
1c7a808c | 646 | case O(CREATE,Force): /* force honouring of device list */ |
e0d19036 | 647 | case O(ASSEMBLE,'f'): /* force assembly */ |
1c7a808c | 648 | case O(ASSEMBLE,Force): /* force assembly */ |
e0d19036 | 649 | case O(MISC,'f'): /* force zero */ |
1c7a808c | 650 | case O(MISC,Force): /* force zero */ |
11b391ec | 651 | case O(MANAGE,Force): /* add device which is too large */ |
9e33d556 | 652 | c.force=1; |
52826846 | 653 | continue; |
52826846 | 654 | /* now for the Assemble options */ |
b76b30e0 AK |
655 | case O(ASSEMBLE, FreezeReshape): /* Freeze reshape during |
656 | * initrd phase */ | |
657 | case O(INCREMENTAL, FreezeReshape): | |
9e33d556 | 658 | c.freeze_reshape = 1; |
b76b30e0 | 659 | continue; |
3d3dd91e | 660 | case O(CREATE,'u'): /* uuid of array */ |
e0d19036 | 661 | case O(ASSEMBLE,'u'): /* uuid of array */ |
52826846 | 662 | if (ident.uuid_set) { |
e7b84f9d | 663 | pr_err("uuid cannot be set twice. " |
52826846 NB |
664 | "Second value %s.\n", optarg); |
665 | exit(2); | |
666 | } | |
667 | if (parse_uuid(optarg, ident.uuid)) | |
668 | ident.uuid_set = 1; | |
669 | else { | |
e7b84f9d | 670 | pr_err("Bad uuid: %s\n", optarg); |
52826846 NB |
671 | exit(2); |
672 | } | |
673 | continue; | |
674 | ||
947fd4dd NB |
675 | case O(CREATE,'N'): |
676 | case O(ASSEMBLE,'N'): | |
aa534678 | 677 | case O(MISC,'N'): |
947fd4dd | 678 | if (ident.name[0]) { |
e7b84f9d | 679 | pr_err("name cannot be set twice. " |
947fd4dd NB |
680 | "Second value %s.\n", optarg); |
681 | exit(2); | |
682 | } | |
9e33d556 | 683 | if (mode == MISC && !c.subarray) { |
e7b84f9d | 684 | pr_err("-N/--name only valid with --update-subarray in misc mode\n"); |
aa534678 DW |
685 | exit(2); |
686 | } | |
947fd4dd | 687 | if (strlen(optarg) > 32) { |
e7b84f9d | 688 | pr_err("name '%s' is too long, 32 chars max.\n", |
947fd4dd NB |
689 | optarg); |
690 | exit(2); | |
691 | } | |
692 | strcpy(ident.name, optarg); | |
693 | continue; | |
694 | ||
e0d19036 | 695 | case O(ASSEMBLE,'m'): /* super-minor for array */ |
1c7a808c | 696 | case O(ASSEMBLE,SuperMinor): |
98c6faba | 697 | if (ident.super_minor != UnSet) { |
e7b84f9d | 698 | pr_err("super-minor cannot be set twice. " |
cd29a5c8 NB |
699 | "Second value: %s.\n", optarg); |
700 | exit(2); | |
701 | } | |
d013a55e NB |
702 | if (strcmp(optarg, "dev")==0) |
703 | ident.super_minor = -2; | |
704 | else { | |
79868890 N |
705 | ident.super_minor = parse_num(optarg); |
706 | if (ident.super_minor < 0) { | |
e7b84f9d | 707 | pr_err("Bad super-minor number: %s.\n", optarg); |
d013a55e NB |
708 | exit(2); |
709 | } | |
cd29a5c8 NB |
710 | } |
711 | continue; | |
712 | ||
0ea8f5b1 N |
713 | case O(ASSEMBLE,'o'): |
714 | case O(MANAGE,'o'): | |
715 | case O(CREATE,'o'): | |
9e33d556 | 716 | c.readonly = 1; |
0ea8f5b1 N |
717 | continue; |
718 | ||
5787fa49 | 719 | case O(ASSEMBLE,'U'): /* update the superblock */ |
aa534678 | 720 | case O(MISC,'U'): |
9e33d556 | 721 | if (c.update) { |
e7b84f9d | 722 | pr_err("Can only update one aspect" |
833bb0f8 | 723 | " of superblock, both %s and %s given.\n", |
9e33d556 | 724 | c.update, optarg); |
5787fa49 NB |
725 | exit(2); |
726 | } | |
9e33d556 | 727 | if (mode == MISC && !c.subarray) { |
e7b84f9d | 728 | pr_err("Only subarrays can be" |
833bb0f8 | 729 | " updated in misc mode\n"); |
aa534678 DW |
730 | exit(2); |
731 | } | |
9e33d556 N |
732 | c.update = optarg; |
733 | if (strcmp(c.update, "sparc2.2")==0) | |
e5329c37 | 734 | continue; |
9e33d556 | 735 | if (strcmp(c.update, "super-minor") == 0) |
5787fa49 | 736 | continue; |
9e33d556 | 737 | if (strcmp(c.update, "summaries")==0) |
feb716e9 | 738 | continue; |
9e33d556 | 739 | if (strcmp(c.update, "resync")==0) |
e5329c37 | 740 | continue; |
9e33d556 | 741 | if (strcmp(c.update, "uuid")==0) |
7d99579f | 742 | continue; |
9e33d556 | 743 | if (strcmp(c.update, "name")==0) |
c4f12c13 | 744 | continue; |
9e33d556 | 745 | if (strcmp(c.update, "homehost")==0) |
0237e0ca | 746 | continue; |
9e33d556 | 747 | if (strcmp(c.update, "devicesize")==0) |
bee8ec56 | 748 | continue; |
9e33d556 | 749 | if (strcmp(c.update, "no-bitmap")==0) |
5a31170d | 750 | continue; |
688e99a7 N |
751 | if (strcmp(c.update, "bbl") == 0) |
752 | continue; | |
753 | if (strcmp(c.update, "no-bbl") == 0) | |
754 | continue; | |
afa368f4 N |
755 | if (strcmp(c.update, "metadata") == 0) |
756 | continue; | |
199f1a1f N |
757 | if (strcmp(c.update, "revert-reshape") == 0) |
758 | continue; | |
9e33d556 | 759 | if (strcmp(c.update, "byteorder")==0) { |
586ed405 | 760 | if (ss) { |
e7b84f9d N |
761 | pr_err("must not set metadata" |
762 | " type with --update=byteorder.\n"); | |
586ed405 NB |
763 | exit(2); |
764 | } | |
aba69144 | 765 | for(i=0; !ss && superlist[i]; i++) |
833bb0f8 N |
766 | ss = superlist[i]->match_metadata_desc( |
767 | "0.swap"); | |
586ed405 | 768 | if (!ss) { |
e7b84f9d | 769 | pr_err("INTERNAL ERROR" |
833bb0f8 | 770 | " cannot find 0.swap\n"); |
586ed405 NB |
771 | exit(2); |
772 | } | |
773 | ||
774 | continue; | |
775 | } | |
9e33d556 N |
776 | if (strcmp(c.update,"?") == 0 || |
777 | strcmp(c.update, "help") == 0) { | |
0047d254 NB |
778 | outf = stdout; |
779 | fprintf(outf, Name ": "); | |
780 | } else { | |
781 | outf = stderr; | |
782 | fprintf(outf, | |
783 | Name ": '--update=%s' is invalid. ", | |
9e33d556 | 784 | c.update); |
0047d254 NB |
785 | } |
786 | fprintf(outf, "Valid --update options are:\n" | |
bee8ec56 | 787 | " 'sparc2.2', 'super-minor', 'uuid', 'name', 'resync',\n" |
5a31170d | 788 | " 'summaries', 'homehost', 'byteorder', 'devicesize',\n" |
199f1a1f | 789 | " 'no-bitmap', 'metadata', 'revert-reshape'\n"); |
0047d254 | 790 | exit(outf == stdout ? 0 : 2); |
5787fa49 | 791 | |
833bb0f8 N |
792 | case O(MANAGE,'U'): |
793 | /* update=devicesize is allowed with --re-add */ | |
c8e1a230 | 794 | if (devmode != 'A') { |
e7b84f9d | 795 | pr_err("--update in Manage mode only" |
833bb0f8 N |
796 | " allowed with --re-add.\n"); |
797 | exit(1); | |
798 | } | |
9e33d556 | 799 | if (c.update) { |
e7b84f9d | 800 | pr_err("Can only update one aspect" |
833bb0f8 | 801 | " of superblock, both %s and %s given.\n", |
9e33d556 | 802 | c.update, optarg); |
833bb0f8 N |
803 | exit(2); |
804 | } | |
9e33d556 | 805 | c.update = optarg; |
688e99a7 N |
806 | if (strcmp(c.update, "devicesize") != 0 && |
807 | strcmp(c.update, "bbl") != 0 && | |
808 | strcmp(c.update, "no-bbl") != 0) { | |
809 | pr_err("only 'devicesize', 'bbl' and 'no-bbl' can be" | |
833bb0f8 N |
810 | " updated with --re-add\n"); |
811 | exit(2); | |
812 | } | |
813 | continue; | |
814 | ||
172356c9 | 815 | case O(INCREMENTAL,NoDegraded): |
e7b84f9d | 816 | pr_err("--no-degraded is deprecated in Incremental mode\n"); |
997aed5d | 817 | case O(ASSEMBLE,NoDegraded): /* --no-degraded */ |
9e33d556 N |
818 | c.runstop = -1; /* --stop isn't allowed for --assemble, |
819 | * so we overload slightly */ | |
b8a8ccf9 NB |
820 | continue; |
821 | ||
1c7a808c N |
822 | case O(ASSEMBLE,'c'): |
823 | case O(ASSEMBLE,ConfigFile): | |
7b187ed7 | 824 | case O(INCREMENTAL, 'c'): |
1c7a808c | 825 | case O(INCREMENTAL, ConfigFile): |
2d465520 | 826 | case O(MISC, 'c'): |
1c7a808c | 827 | case O(MISC, ConfigFile): |
e0d19036 | 828 | case O(MONITOR,'c'): |
1c7a808c | 829 | case O(MONITOR,ConfigFile): |
9ccfd3be | 830 | case O(CREATE,ConfigFile): |
52826846 | 831 | if (configfile) { |
e7b84f9d | 832 | pr_err("configfile cannot be set twice. " |
52826846 NB |
833 | "Second value is %s.\n", optarg); |
834 | exit(2); | |
835 | } | |
836 | configfile = optarg; | |
8aec876d | 837 | set_conffile(configfile); |
52826846 NB |
838 | /* FIXME possibly check that config file exists. Even parse it */ |
839 | continue; | |
e0d19036 NB |
840 | case O(ASSEMBLE,'s'): /* scan */ |
841 | case O(MISC,'s'): | |
842 | case O(MONITOR,'s'): | |
8382f19b | 843 | case O(INCREMENTAL,'s'): |
9e33d556 | 844 | c.scan = 1; |
52826846 NB |
845 | continue; |
846 | ||
e0d19036 | 847 | case O(MONITOR,'m'): /* mail address */ |
1c7a808c | 848 | case O(MONITOR,EMail): |
52826846 | 849 | if (mailaddr) |
e7b84f9d | 850 | pr_err("only specify one mailaddress. %s ignored.\n", |
52826846 NB |
851 | optarg); |
852 | else | |
853 | mailaddr = optarg; | |
854 | continue; | |
855 | ||
e0d19036 | 856 | case O(MONITOR,'p'): /* alert program */ |
1c7a808c | 857 | case O(MONITOR,ProgramOpt): /* alert program */ |
52826846 | 858 | if (program) |
e7b84f9d | 859 | pr_err("only specify one alter program. %s ignored.\n", |
52826846 NB |
860 | optarg); |
861 | else | |
862 | program = optarg; | |
863 | continue; | |
64c4757e | 864 | |
9a36a9b7 | 865 | case O(MONITOR,'r'): /* rebuild increments */ |
1c7a808c | 866 | case O(MONITOR,Increment): |
9a36a9b7 | 867 | increments = atoi(optarg); |
18361a1a | 868 | if (increments > 99 || increments < 1) { |
e7b84f9d | 869 | pr_err("please specify positive integer between 1 and 99 as rebuild increments.\n"); |
9a36a9b7 ZB |
870 | exit(2); |
871 | } | |
872 | continue; | |
873 | ||
e0d19036 | 874 | case O(MONITOR,'d'): /* delay in seconds */ |
f5e166fe | 875 | case O(GROW, 'd'): |
c82f047c NB |
876 | case O(BUILD,'d'): /* delay for bitmap updates */ |
877 | case O(CREATE,'d'): | |
9e33d556 | 878 | if (c.delay) |
e7b84f9d | 879 | pr_err("only specify delay once. %s ignored.\n", |
52826846 NB |
880 | optarg); |
881 | else { | |
9e33d556 N |
882 | c.delay = parse_num(optarg); |
883 | if (c.delay < 1) { | |
e7b84f9d | 884 | pr_err("invalid delay: %s\n", |
52826846 NB |
885 | optarg); |
886 | exit(2); | |
887 | } | |
888 | } | |
889 | continue; | |
d013a55e | 890 | case O(MONITOR,'f'): /* daemonise */ |
1c7a808c | 891 | case O(MONITOR,Fork): |
d013a55e NB |
892 | daemonise = 1; |
893 | continue; | |
b5e64645 NB |
894 | case O(MONITOR,'i'): /* pid */ |
895 | if (pidfile) | |
e7b84f9d | 896 | pr_err("only specify one pid file. %s ignored.\n", |
b5e64645 NB |
897 | optarg); |
898 | else | |
899 | pidfile = optarg; | |
900 | continue; | |
aa88f531 NB |
901 | case O(MONITOR,'1'): /* oneshot */ |
902 | oneshot = 1; | |
3f555346 | 903 | spare_sharing = 0; |
aa88f531 | 904 | continue; |
98c6faba | 905 | case O(MONITOR,'t'): /* test */ |
9e33d556 | 906 | c.test = 1; |
98c6faba | 907 | continue; |
773135f5 | 908 | case O(MONITOR,'y'): /* log messages to syslog */ |
6ac8aac2 | 909 | openlog("mdadm", LOG_PID, SYSLOG_FACILITY); |
773135f5 NB |
910 | dosyslog = 1; |
911 | continue; | |
edde9560 AC |
912 | case O(MONITOR, NoSharing): |
913 | spare_sharing = 0; | |
914 | continue; | |
18361a1a | 915 | |
52826846 NB |
916 | /* now the general management options. Some are applicable |
917 | * to other modes. None have arguments. | |
918 | */ | |
e5329c37 | 919 | case O(GROW,'a'): |
1c7a808c N |
920 | case O(GROW,Add): |
921 | case O(MANAGE,'a'): | |
922 | case O(MANAGE,Add): /* add a drive */ | |
52826846 | 923 | devmode = 'a'; |
fe80f49b | 924 | continue; |
997aed5d | 925 | case O(MANAGE,ReAdd): |
c8e1a230 | 926 | devmode = 'A'; |
52826846 | 927 | continue; |
e0d19036 | 928 | case O(MANAGE,'r'): /* remove a drive */ |
1c7a808c | 929 | case O(MANAGE,Remove): |
52826846 NB |
930 | devmode = 'r'; |
931 | continue; | |
e0d19036 | 932 | case O(MANAGE,'f'): /* set faulty */ |
1c7a808c N |
933 | case O(MANAGE,Fail): |
934 | case O(INCREMENTAL,'f'): | |
935 | case O(INCREMENTAL,Remove): | |
936 | case O(INCREMENTAL,Fail): /* r for incremental is taken, use f | |
7d27d1c0 N |
937 | * even though we will both fail and |
938 | * remove the device */ | |
52826846 NB |
939 | devmode = 'f'; |
940 | continue; | |
70c55e36 N |
941 | case O(MANAGE,Replace): |
942 | /* Mark these devices for replacement */ | |
943 | devmode = 'R'; | |
944 | continue; | |
945 | case O(MANAGE,With): | |
946 | /* These are the replacements to use */ | |
947 | if (devmode != 'R') { | |
948 | pr_err("--with must follow --replace\n"); | |
949 | exit(2); | |
950 | } | |
951 | devmode = 'W'; | |
952 | continue; | |
8382f19b | 953 | case O(INCREMENTAL,'R'): |
e0d19036 NB |
954 | case O(MANAGE,'R'): |
955 | case O(ASSEMBLE,'R'): | |
956 | case O(BUILD,'R'): | |
957 | case O(CREATE,'R'): /* Run the array */ | |
9e33d556 | 958 | if (c.runstop < 0) { |
e7b84f9d | 959 | pr_err("Cannot both Stop and Run an array\n"); |
52826846 NB |
960 | exit(2); |
961 | } | |
9e33d556 | 962 | c.runstop = 1; |
52826846 | 963 | continue; |
e0d19036 | 964 | case O(MANAGE,'S'): |
9e33d556 | 965 | if (c.runstop > 0) { |
e7b84f9d | 966 | pr_err("Cannot both Run and Stop an array\n"); |
52826846 NB |
967 | exit(2); |
968 | } | |
9e33d556 | 969 | c.runstop = -1; |
52826846 | 970 | continue; |
7d2e6486 | 971 | case O(MANAGE,'t'): |
9e33d556 | 972 | c.test = 1; |
7d2e6486 | 973 | continue; |
52826846 | 974 | |
e0d19036 NB |
975 | case O(MISC,'Q'): |
976 | case O(MISC,'D'): | |
977 | case O(MISC,'E'): | |
f7d3febc | 978 | case O(MISC,KillOpt): |
e0d19036 NB |
979 | case O(MISC,'R'): |
980 | case O(MISC,'S'): | |
c82f047c | 981 | case O(MISC,'X'): |
6d388a88 | 982 | case O(MISC, ExamineBB): |
e0d19036 NB |
983 | case O(MISC,'o'): |
984 | case O(MISC,'w'): | |
b90c0e9a | 985 | case O(MISC,'W'): |
1c7a808c | 986 | case O(MISC, WaitOpt): |
1770662b | 987 | case O(MISC, Waitclean): |
4cce4069 | 988 | case O(MISC, DetailPlatform): |
33414a01 | 989 | case O(MISC, KillSubarray): |
aa534678 | 990 | case O(MISC, UpdateSubarray): |
74db60b0 N |
991 | case O(MISC, Dump): |
992 | case O(MISC, Restore): | |
5a53aeec | 993 | if (opt == KillSubarray || opt == UpdateSubarray) { |
9e33d556 | 994 | if (c.subarray) { |
e7b84f9d | 995 | pr_err("subarray can only" |
5a53aeec JS |
996 | " be specified once\n"); |
997 | exit(2); | |
998 | } | |
9e33d556 | 999 | c.subarray = optarg; |
5a53aeec | 1000 | } |
e0d19036 NB |
1001 | if (devmode && devmode != opt && |
1002 | (devmode == 'E' || (opt == 'E' && devmode != 'Q'))) { | |
e7b84f9d | 1003 | pr_err("--examine/-E cannot be given with "); |
aa534678 DW |
1004 | if (devmode == 'E') { |
1005 | if (option_index >= 0) | |
1006 | fprintf(stderr, "--%s\n", | |
1007 | long_options[option_index].name); | |
1008 | else | |
1009 | fprintf(stderr, "-%c\n", opt); | |
1010 | } else if (isalpha(devmode)) | |
1011 | fprintf(stderr, "-%c\n", devmode); | |
1012 | else | |
1013 | fprintf(stderr, "previous option\n"); | |
e0d19036 NB |
1014 | exit(2); |
1015 | } | |
1016 | devmode = opt; | |
74db60b0 N |
1017 | if (opt == Dump || opt == Restore) { |
1018 | if (dump_directory != NULL) { | |
1019 | pr_err("dump/restore directory specified twice: %s and %s\n", | |
1020 | dump_directory, optarg); | |
1021 | exit(2); | |
1022 | } | |
1023 | dump_directory = optarg; | |
1024 | } | |
e0d19036 | 1025 | continue; |
7d27d1c0 N |
1026 | case O(MISC, UdevRules): |
1027 | if (devmode && devmode != opt) { | |
e7b84f9d N |
1028 | pr_err("--udev-rules must" |
1029 | " be the only option.\n"); | |
7d27d1c0 N |
1030 | } else { |
1031 | if (udev_filename) | |
e7b84f9d | 1032 | pr_err("only specify one udev " |
7d27d1c0 N |
1033 | "rule filename. %s ignored.\n", |
1034 | optarg); | |
1035 | else | |
1036 | udev_filename = optarg; | |
1037 | } | |
1038 | devmode = opt; | |
1039 | continue; | |
feb716e9 | 1040 | case O(MISC,'t'): |
9e33d556 | 1041 | c.test = 1; |
feb716e9 | 1042 | continue; |
e0d19036 | 1043 | |
997aed5d | 1044 | case O(MISC, Sparc22): |
bd526cee | 1045 | if (devmode != 'E') { |
e7b84f9d | 1046 | pr_err("--sparc2.2 only allowed with --examine\n"); |
bd526cee NB |
1047 | exit(2); |
1048 | } | |
9e33d556 | 1049 | c.SparcAdjust = 1; |
bd526cee | 1050 | continue; |
c82f047c NB |
1051 | |
1052 | case O(ASSEMBLE,'b'): /* here we simply set the bitmap file */ | |
1c7a808c | 1053 | case O(ASSEMBLE,Bitmap): |
c82f047c | 1054 | if (!optarg) { |
e7b84f9d | 1055 | pr_err("bitmap file needed with -b in --assemble mode\n"); |
c82f047c NB |
1056 | exit(2); |
1057 | } | |
55935d51 | 1058 | if (strcmp(optarg, "internal")==0) { |
e7b84f9d | 1059 | pr_err("there is no need to specify --bitmap when assembling arrays with internal bitmaps\n"); |
55935d51 NB |
1060 | continue; |
1061 | } | |
c82f047c NB |
1062 | bitmap_fd = open(optarg, O_RDWR); |
1063 | if (!*optarg || bitmap_fd < 0) { | |
e7b84f9d | 1064 | pr_err("cannot open bitmap file %s: %s\n", optarg, strerror(errno)); |
c82f047c NB |
1065 | exit(2); |
1066 | } | |
1067 | ident.bitmap_fd = bitmap_fd; /* for Assemble */ | |
1068 | continue; | |
f5e166fe | 1069 | |
997aed5d NB |
1070 | case O(ASSEMBLE, BackupFile): |
1071 | case O(GROW, BackupFile): | |
06b0d786 NB |
1072 | /* Specify a file into which grow might place a backup, |
1073 | * or from which assemble might recover a backup | |
1074 | */ | |
9e33d556 | 1075 | if (c.backup_file) { |
e7b84f9d | 1076 | pr_err("backup file already specified, rejecting %s\n", optarg); |
06b0d786 NB |
1077 | exit(2); |
1078 | } | |
9e33d556 | 1079 | c.backup_file = optarg; |
06b0d786 NB |
1080 | continue; |
1081 | ||
2dddadb0 AK |
1082 | case O(GROW, Continue): |
1083 | /* Continue interrupted grow | |
1084 | */ | |
1085 | grow_continue = 1; | |
1086 | continue; | |
87f26d14 N |
1087 | case O(ASSEMBLE, InvalidBackup): |
1088 | /* Acknowledge that the backupfile is invalid, but ask | |
1089 | * to continue anyway | |
1090 | */ | |
9e33d556 | 1091 | c.invalid_backup = 1; |
87f26d14 N |
1092 | continue; |
1093 | ||
c82f047c | 1094 | case O(BUILD,'b'): |
1c7a808c N |
1095 | case O(BUILD,Bitmap): |
1096 | case O(CREATE,'b'): | |
1097 | case O(CREATE,Bitmap): /* here we create the bitmap */ | |
85375d6d | 1098 | case O(GROW,'b'): |
1c7a808c | 1099 | case O(GROW,Bitmap): |
1e0d770c NB |
1100 | if (strcmp(optarg, "internal")== 0 || |
1101 | strcmp(optarg, "none")== 0 || | |
1102 | strchr(optarg, '/') != NULL) { | |
e705e81b | 1103 | s.bitmap_file = optarg; |
1e0d770c NB |
1104 | continue; |
1105 | } | |
1106 | /* probable typo */ | |
e7b84f9d | 1107 | pr_err("bitmap file must contain a '/', or be 'internal', or 'none'\n" |
a1331cc4 | 1108 | " not '%s'\n", optarg); |
1e0d770c | 1109 | exit(2); |
c82f047c | 1110 | |
997aed5d NB |
1111 | case O(GROW,BitmapChunk): |
1112 | case O(BUILD,BitmapChunk): | |
1113 | case O(CREATE,BitmapChunk): /* bitmap chunksize */ | |
e705e81b | 1114 | s.bitmap_chunk = parse_size(optarg); |
822e393a N |
1115 | if (s.bitmap_chunk == 0 || |
1116 | s.bitmap_chunk == INVALID_SECTORS || | |
e705e81b | 1117 | s.bitmap_chunk & (s.bitmap_chunk - 1)) { |
e7b84f9d N |
1118 | pr_err("invalid bitmap chunksize: %s\n", |
1119 | optarg); | |
c82f047c NB |
1120 | exit(2); |
1121 | } | |
e705e81b | 1122 | s.bitmap_chunk = s.bitmap_chunk * 512; |
c82f047c | 1123 | continue; |
dfd4d8ee | 1124 | |
7d19ad0d | 1125 | case O(GROW, WriteBehind): |
997aed5d NB |
1126 | case O(BUILD, WriteBehind): |
1127 | case O(CREATE, WriteBehind): /* write-behind mode */ | |
e705e81b | 1128 | s.write_behind = DEFAULT_MAX_WRITE_BEHIND; |
dfd4d8ee | 1129 | if (optarg) { |
e705e81b N |
1130 | s.write_behind = parse_num(optarg); |
1131 | if (s.write_behind < 0 || | |
1132 | s.write_behind > 16383) { | |
e7b84f9d | 1133 | pr_err("Invalid value for maximum outstanding write-behind writes: %s.\n\tMust be between 0 and 16383.\n", optarg); |
dfd4d8ee NB |
1134 | exit(2); |
1135 | } | |
1136 | } | |
1137 | continue; | |
8382f19b NB |
1138 | |
1139 | case O(INCREMENTAL, 'r'): | |
1c7a808c | 1140 | case O(INCREMENTAL, RebuildMapOpt): |
8382f19b NB |
1141 | rebuild_map = 1; |
1142 | continue; | |
950bc344 PC |
1143 | case O(INCREMENTAL, IncrementalPath): |
1144 | remove_path = optarg; | |
1145 | continue; | |
52826846 NB |
1146 | } |
1147 | /* We have now processed all the valid options. Anything else is | |
1148 | * an error | |
1149 | */ | |
06b0d786 | 1150 | if (option_index > 0) |
e7b84f9d | 1151 | pr_err(":option --%s not valid in %s mode\n", |
06b0d786 NB |
1152 | long_options[option_index].name, |
1153 | map_num(modes, mode)); | |
1154 | else | |
e7b84f9d | 1155 | pr_err("option -%c not valid in %s mode\n", |
06b0d786 | 1156 | opt, map_num(modes, mode)); |
64c4757e | 1157 | exit(2); |
52826846 NB |
1158 | |
1159 | } | |
1160 | ||
3d4064cc | 1161 | if (print_help) { |
5187a385 | 1162 | char *help_text; |
3d4064cc NB |
1163 | if (print_help == 2) |
1164 | help_text = OptionHelp; | |
1165 | else | |
5187a385 N |
1166 | help_text = mode_help[mode]; |
1167 | if (help_text == NULL) | |
1168 | help_text = Help; | |
0047d254 | 1169 | fputs(help_text,stdout); |
3d4064cc NB |
1170 | exit(0); |
1171 | } | |
1172 | ||
0320ea45 NB |
1173 | if (!mode && devs_found) { |
1174 | mode = MISC; | |
1175 | devmode = 'Q'; | |
1176 | if (devlist->disposition == 0) | |
1177 | devlist->disposition = devmode; | |
1178 | } | |
52826846 NB |
1179 | if (!mode) { |
1180 | fputs(Usage, stderr); | |
64c4757e | 1181 | exit(2); |
64c4757e | 1182 | } |
38098016 NB |
1183 | |
1184 | if (symlinks) { | |
1185 | struct createinfo *ci = conf_get_create_info(); | |
1186 | ||
1187 | if (strcasecmp(symlinks, "yes") == 0) | |
1188 | ci->symlinks = 1; | |
1189 | else if (strcasecmp(symlinks, "no") == 0) | |
1190 | ci->symlinks = 0; | |
1191 | else { | |
e7b84f9d | 1192 | pr_err("option --symlinks must be 'no' or 'yes'\n"); |
38098016 NB |
1193 | exit(2); |
1194 | } | |
1195 | } | |
52826846 NB |
1196 | /* Ok, got the option parsing out of the way |
1197 | * hopefully it's mostly right but there might be some stuff | |
1198 | * missing | |
1199 | * | |
e0d19036 | 1200 | * That is mosty checked in the per-mode stuff but... |
52826846 | 1201 | * |
18361a1a N |
1202 | * For @,B,C and A without -s, the first device listed must be |
1203 | * an md device. We check that here and open it. | |
64c4757e | 1204 | */ |
52826846 | 1205 | |
18361a1a N |
1206 | if (mode == MANAGE || mode == BUILD || mode == CREATE |
1207 | || mode == GROW | |
9e33d556 | 1208 | || (mode == ASSEMBLE && ! c.scan)) { |
52826846 | 1209 | if (devs_found < 1) { |
e7b84f9d | 1210 | pr_err("an md device must be given in this mode\n"); |
52826846 NB |
1211 | exit(2); |
1212 | } | |
9e33d556 | 1213 | if ((int)ident.super_minor == -2 && c.autof) { |
e7b84f9d | 1214 | pr_err("--super-minor=dev is incompatible with --auto\n"); |
dd0781e5 NB |
1215 | exit(2); |
1216 | } | |
7f91af49 | 1217 | if (mode == MANAGE || mode == GROW) { |
6be1d39d | 1218 | mdfd = open_mddev(devlist->devname, 1); |
7f91af49 N |
1219 | if (mdfd < 0) |
1220 | exit(1); | |
1221 | } else | |
1222 | /* non-existent device is OK */ | |
1223 | mdfd = open_mddev(devlist->devname, 0); | |
1224 | if (mdfd == -2) { | |
e7b84f9d | 1225 | pr_err("device %s exists but is not an " |
7f91af49 | 1226 | "md array.\n", devlist->devname); |
52826846 | 1227 | exit(1); |
7f91af49 | 1228 | } |
98c6faba | 1229 | if ((int)ident.super_minor == -2) { |
d013a55e | 1230 | struct stat stb; |
7f91af49 | 1231 | if (mdfd < 0) { |
e7b84f9d | 1232 | pr_err("--super-minor=dev given, and " |
7f91af49 N |
1233 | "listed device %s doesn't exist.\n", |
1234 | devlist->devname); | |
1235 | exit(1); | |
1236 | } | |
d013a55e | 1237 | fstat(mdfd, &stb); |
0df46c2a | 1238 | ident.super_minor = minor(stb.st_rdev); |
d013a55e | 1239 | } |
7f91af49 N |
1240 | if (mdfd >= 0 && mode != MANAGE && mode != GROW) { |
1241 | /* We don't really want this open yet, we just might | |
1242 | * have wanted to check some things | |
1243 | */ | |
1244 | close(mdfd); | |
1245 | mdfd = -1; | |
1246 | } | |
64c4757e | 1247 | } |
52826846 | 1248 | |
e705e81b N |
1249 | if (s.raiddisks) { |
1250 | if (s.raiddisks == 1 && !c.force && s.level != LEVEL_FAULTY) { | |
e7b84f9d | 1251 | pr_err("'1' is an unusual number of drives for an array, so it is probably\n" |
e4c4352e NB |
1252 | " a mistake. If you really mean it you will need to specify --force before\n" |
1253 | " setting the number of drives.\n"); | |
1254 | exit(2); | |
1255 | } | |
1256 | } | |
c82f047c | 1257 | |
9e33d556 N |
1258 | if (c.homehost == NULL) |
1259 | c.homehost = conf_get_homehost(&c.require_homehost); | |
1260 | if (c.homehost == NULL || strcasecmp(c.homehost, "<system>")==0) { | |
05697ec1 NB |
1261 | if (gethostname(sys_hostname, sizeof(sys_hostname)) == 0) { |
1262 | sys_hostname[sizeof(sys_hostname)-1] = 0; | |
9e33d556 | 1263 | c.homehost = sys_hostname; |
05697ec1 NB |
1264 | } |
1265 | } | |
9e33d556 N |
1266 | if (c.homehost && (!c.homehost[0] || strcasecmp(c.homehost, "<none>") == 0)) { |
1267 | c.homehost = NULL; | |
1268 | c.require_homehost = 0; | |
0f23aa88 | 1269 | } |
997aed5d | 1270 | |
8192902f N |
1271 | if (c.backup_file && data_offset != INVALID_SECTORS) { |
1272 | pr_err("--backup-file and --data-offset are incompatible\n"); | |
1273 | exit(2); | |
1274 | } | |
1275 | ||
18361a1a N |
1276 | if ((mode == MISC && devmode == 'E') |
1277 | || (mode == MONITOR && spare_sharing == 0)) | |
1278 | /* Anyone may try this */; | |
1279 | else if (geteuid() != 0) { | |
e7b84f9d | 1280 | pr_err("must be super-user to perform this action\n"); |
ac5678dd N |
1281 | exit(1); |
1282 | } | |
1283 | ||
9e33d556 | 1284 | ident.autof = c.autof; |
7f91af49 | 1285 | |
265460ab N |
1286 | if (c.scan && c.verbose < 2) |
1287 | /* --scan implied --brief unless -vv */ | |
1288 | c.brief = 1; | |
1289 | ||
52826846 NB |
1290 | rv = 0; |
1291 | switch(mode) { | |
e0d19036 | 1292 | case MANAGE: |
52826846 | 1293 | /* readonly, add/remove, readwrite, runstop */ |
9e33d556 N |
1294 | if (c.readonly > 0) |
1295 | rv = Manage_ro(devlist->devname, mdfd, c.readonly); | |
52826846 | 1296 | if (!rv && devs_found>1) |
cd29a5c8 | 1297 | rv = Manage_subdevs(devlist->devname, mdfd, |
0937132d | 1298 | devlist->next, c.verbose, c.test, |
9e33d556 N |
1299 | c.update, c.force); |
1300 | if (!rv && c.readonly < 0) | |
1301 | rv = Manage_ro(devlist->devname, mdfd, c.readonly); | |
fe7e0e64 N |
1302 | if (!rv && c.runstop > 0) |
1303 | rv = Manage_run(devlist->devname, mdfd, c.verbose); | |
1304 | if (!rv && c.runstop < 0) | |
1305 | rv = Manage_stop(devlist->devname, mdfd, c.verbose, 0); | |
52826846 | 1306 | break; |
e0d19036 | 1307 | case ASSEMBLE: |
d013a55e | 1308 | if (devs_found == 1 && ident.uuid_set == 0 && |
9e33d556 | 1309 | ident.super_minor == UnSet && ident.name[0] == 0 && !c.scan ) { |
d013a55e | 1310 | /* Only a device has been given, so get details from config file */ |
fa56eddb | 1311 | struct mddev_ident *array_ident = conf_get_ident(devlist->devname); |
b5e64645 | 1312 | if (array_ident == NULL) { |
e7b84f9d | 1313 | pr_err("%s not identified in config file.\n", |
b5e64645 | 1314 | devlist->devname); |
d013a55e | 1315 | rv |= 1; |
7f91af49 N |
1316 | if (mdfd >= 0) |
1317 | close(mdfd); | |
b5e64645 | 1318 | } else { |
7f91af49 | 1319 | if (array_ident->autof == 0) |
9e33d556 | 1320 | array_ident->autof = c.autof; |
7f91af49 | 1321 | rv |= Assemble(ss, devlist->devname, array_ident, |
4977146a | 1322 | NULL, &c); |
d013a55e | 1323 | } |
9e33d556 | 1324 | } else if (!c.scan) |
7f91af49 | 1325 | rv = Assemble(ss, devlist->devname, &ident, |
4977146a | 1326 | devlist->next, &c); |
18361a1a | 1327 | else if (devs_found > 0) { |
9e33d556 | 1328 | if (c.update && devs_found > 1) { |
e7b84f9d | 1329 | pr_err("can only update a single array at a time\n"); |
5787fa49 NB |
1330 | exit(1); |
1331 | } | |
9e33d556 | 1332 | if (c.backup_file && devs_found > 1) { |
e7b84f9d | 1333 | pr_err("can only assemble a single array when providing a backup file.\n"); |
06b0d786 NB |
1334 | exit(1); |
1335 | } | |
cd29a5c8 | 1336 | for (dv = devlist ; dv ; dv=dv->next) { |
fa56eddb | 1337 | struct mddev_ident *array_ident = conf_get_ident(dv->devname); |
52826846 | 1338 | if (array_ident == NULL) { |
e7b84f9d | 1339 | pr_err("%s not identified in config file.\n", |
cd29a5c8 | 1340 | dv->devname); |
52826846 NB |
1341 | rv |= 1; |
1342 | continue; | |
1343 | } | |
7f91af49 | 1344 | if (array_ident->autof == 0) |
9e33d556 | 1345 | array_ident->autof = c.autof; |
7f91af49 | 1346 | rv |= Assemble(ss, dv->devname, array_ident, |
4977146a | 1347 | NULL, &c); |
52826846 | 1348 | } |
5787fa49 | 1349 | } else { |
9e33d556 | 1350 | if (c.update) { |
e7b84f9d | 1351 | pr_err("--update not meaningful with a --scan assembly.\n"); |
da6b5ca9 NB |
1352 | exit(1); |
1353 | } | |
9e33d556 | 1354 | if (c.backup_file) { |
e7b84f9d | 1355 | pr_err("--backup_file not meaningful with a --scan assembly.\n"); |
da6b5ca9 NB |
1356 | exit(1); |
1357 | } | |
4977146a | 1358 | rv = scan_assemble(ss, &c, &ident); |
52826846 | 1359 | } |
3cbc4d12 | 1360 | |
52826846 | 1361 | break; |
e0d19036 | 1362 | case BUILD: |
9e33d556 N |
1363 | if (c.delay == 0) |
1364 | c.delay = DEFAULT_BITMAP_DELAY; | |
e705e81b | 1365 | if (s.write_behind && !s.bitmap_file) { |
e7b84f9d | 1366 | pr_err("write-behind mode requires a bitmap.\n"); |
dfd4d8ee NB |
1367 | rv = 1; |
1368 | break; | |
1369 | } | |
e705e81b | 1370 | if (s.raiddisks == 0) { |
e7b84f9d | 1371 | pr_err("no raid-devices specified.\n"); |
5b28bd56 NB |
1372 | rv = 1; |
1373 | break; | |
1374 | } | |
dfd4d8ee | 1375 | |
e705e81b N |
1376 | if (s.bitmap_file) { |
1377 | if (strcmp(s.bitmap_file, "internal")==0) { | |
e7b84f9d | 1378 | pr_err("'internal' bitmaps not supported with --build\n"); |
55935d51 NB |
1379 | rv |= 1; |
1380 | break; | |
1381 | } | |
c82f047c | 1382 | } |
a4e8316a | 1383 | rv = Build(devlist->devname, devlist->next, &s, &c); |
52826846 | 1384 | break; |
e0d19036 | 1385 | case CREATE: |
9e33d556 N |
1386 | if (c.delay == 0) |
1387 | c.delay = DEFAULT_BITMAP_DELAY; | |
e705e81b | 1388 | if (s.write_behind && !s.bitmap_file) { |
e7b84f9d | 1389 | pr_err("write-behind mode requires a bitmap.\n"); |
dfd4d8ee NB |
1390 | rv = 1; |
1391 | break; | |
1392 | } | |
e705e81b | 1393 | if (s.raiddisks == 0) { |
e7b84f9d | 1394 | pr_err("no raid-devices specified.\n"); |
5b28bd56 NB |
1395 | rv = 1; |
1396 | break; | |
1397 | } | |
f9ce90ba | 1398 | |
99cc42f4 N |
1399 | rv = Create(ss, devlist->devname, |
1400 | ident.name, ident.uuid_set ? ident.uuid : NULL, | |
171dccc8 | 1401 | devs_found-1, devlist->next, |
40c9a66a | 1402 | &s, &c, data_offset); |
52826846 | 1403 | break; |
e0d19036 | 1404 | case MISC: |
e0d19036 | 1405 | if (devmode == 'E') { |
9e33d556 | 1406 | if (devlist == NULL && !c.scan) { |
e7b84f9d | 1407 | pr_err("No devices to examine\n"); |
e0d19036 NB |
1408 | exit(2); |
1409 | } | |
1410 | if (devlist == NULL) | |
8aec876d | 1411 | devlist = conf_get_devs(); |
e0d19036 | 1412 | if (devlist == NULL) { |
e7b84f9d | 1413 | pr_err("No devices listed in %s\n", configfile?configfile:DefaultConfFile); |
e0d19036 NB |
1414 | exit(1); |
1415 | } | |
eec3f887 | 1416 | rv = Examine(devlist, &c, ss); |
4cce4069 | 1417 | } else if (devmode == DetailPlatform) { |
9eafa1de MN |
1418 | rv = Detail_Platform(ss ? ss->ss : NULL, ss ? c.scan : 1, |
1419 | c.verbose, c.export, | |
1420 | devlist ? devlist->devname : NULL); | |
7d27d1c0 | 1421 | } else if (devlist == NULL) { |
9e33d556 | 1422 | if (devmode == 'S' && c.scan) |
0937132d | 1423 | rv = stop_scan(c.verbose); |
9e33d556 | 1424 | else if ((devmode == 'D' || devmode == Waitclean) && c.scan) |
ef898ce6 | 1425 | rv = misc_scan(devmode, &c); |
7d27d1c0 N |
1426 | else if (devmode == UdevRules) |
1427 | rv = Write_rules(udev_filename); | |
1428 | else { | |
e7b84f9d | 1429 | pr_err("No devices given.\n"); |
7d27d1c0 | 1430 | exit(2); |
e0d19036 | 1431 | } |
7d27d1c0 | 1432 | } else |
74db60b0 | 1433 | rv = misc_list(devlist, &ident, dump_directory, ss, &c); |
9a9dab36 | 1434 | break; |
e0d19036 | 1435 | case MONITOR: |
9e33d556 | 1436 | if (!devlist && !c.scan) { |
e7b84f9d | 1437 | pr_err("Cannot monitor: need --scan or at least one device\n"); |
e0d19036 NB |
1438 | rv = 1; |
1439 | break; | |
1440 | } | |
b5e64645 | 1441 | if (pidfile && !daemonise) { |
e7b84f9d | 1442 | pr_err("Cannot write a pid file when not in daemon mode\n"); |
b5e64645 NB |
1443 | rv = 1; |
1444 | break; | |
1445 | } | |
9e33d556 | 1446 | if (c.delay == 0) { |
3e82d76d | 1447 | if (get_linux_version() > 2006016) |
ddc7201f | 1448 | /* mdstat responds to poll */ |
9e33d556 | 1449 | c.delay = 1000; |
ddc7201f | 1450 | else |
9e33d556 | 1451 | c.delay = 60; |
ddc7201f | 1452 | } |
95c50205 N |
1453 | if (c.delay == 0) |
1454 | c.delay = 60; | |
d013a55e | 1455 | rv= Monitor(devlist, mailaddr, program, |
95c50205 N |
1456 | &c, daemonise, oneshot, |
1457 | dosyslog, pidfile, increments, | |
1458 | spare_sharing); | |
9a9dab36 | 1459 | break; |
dd0781e5 NB |
1460 | |
1461 | case GROW: | |
a93f8c65 | 1462 | if (array_size > 0) { |
84e11361 N |
1463 | /* alway impose array size first, independent of |
1464 | * anything else | |
9ce510be N |
1465 | * Do not allow level or raid_disks changes at the |
1466 | * same time as that can be irreversibly destructive. | |
84e11361 N |
1467 | */ |
1468 | struct mdinfo sra; | |
1469 | int err; | |
e705e81b | 1470 | if (s.raiddisks || s.level != UnSet) { |
e7b84f9d | 1471 | pr_err("cannot change array size in same operation " |
9ce510be N |
1472 | "as changing raiddisks or level.\n" |
1473 | " Change size first, then check that data is still intact.\n"); | |
1474 | rv = 1; | |
1475 | break; | |
1476 | } | |
4dd2df09 | 1477 | sysfs_init(&sra, mdfd, NULL); |
a93f8c65 | 1478 | if (array_size == MAX_SIZE) |
84e11361 N |
1479 | err = sysfs_set_str(&sra, NULL, "array_size", "default"); |
1480 | else | |
1481 | err = sysfs_set_num(&sra, NULL, "array_size", array_size / 2); | |
1482 | if (err < 0) { | |
1483 | if (errno == E2BIG) | |
e7b84f9d | 1484 | pr_err("--array-size setting" |
84e11361 N |
1485 | " is too large.\n"); |
1486 | else | |
e7b84f9d | 1487 | pr_err("current kernel does" |
84e11361 N |
1488 | " not support setting --array-size\n"); |
1489 | rv = 1; | |
1490 | break; | |
1491 | } | |
1492 | } | |
1c8b90df | 1493 | if (devs_found > 1 && s.raiddisks == 0 && s.level == UnSet) { |
e5329c37 | 1494 | /* must be '-a'. */ |
e705e81b | 1495 | if (s.size > 0 || s.chunk || s.layout_str != NULL || s.bitmap_file) { |
e7b84f9d | 1496 | pr_err("--add cannot be used with " |
e2e53a2d | 1497 | "other geometry changes in --grow mode\n"); |
e5329c37 NB |
1498 | rv = 1; |
1499 | break; | |
1500 | } | |
1501 | for (dv=devlist->next; dv ; dv=dv->next) { | |
e2e53a2d N |
1502 | rv = Grow_Add_device(devlist->devname, mdfd, |
1503 | dv->devname); | |
e5329c37 NB |
1504 | if (rv) |
1505 | break; | |
1506 | } | |
e705e81b N |
1507 | } else if (s.bitmap_file) { |
1508 | if (s.size > 0 || s.raiddisks || s.chunk || | |
1509 | s.layout_str != NULL || devs_found > 1) { | |
e7b84f9d | 1510 | pr_err("--bitmap changes cannot be " |
e2e53a2d N |
1511 | "used with other geometry changes " |
1512 | "in --grow mode\n"); | |
7236ee7a N |
1513 | rv = 1; |
1514 | break; | |
1515 | } | |
9e33d556 N |
1516 | if (c.delay == 0) |
1517 | c.delay = DEFAULT_BITMAP_DELAY; | |
50f01ba5 | 1518 | rv = Grow_addbitmap(devlist->devname, mdfd, &c, &s); |
2dddadb0 AK |
1519 | } else if (grow_continue) |
1520 | rv = Grow_continue_command(devlist->devname, | |
9e33d556 | 1521 | mdfd, c.backup_file, |
0937132d | 1522 | c.verbose); |
e705e81b | 1523 | else if (s.size > 0 || s.raiddisks || s.layout_str != NULL |
8876bf0b N |
1524 | || s.chunk != 0 || s.level != UnSet |
1525 | || data_offset != INVALID_SECTORS) { | |
32754b7d | 1526 | rv = Grow_reshape(devlist->devname, mdfd, |
40c9a66a N |
1527 | devlist->next, |
1528 | data_offset, &c, &s); | |
a93f8c65 | 1529 | } else if (array_size == 0) |
e7b84f9d | 1530 | pr_err("no changes to --grow\n"); |
dd0781e5 | 1531 | break; |
8382f19b NB |
1532 | case INCREMENTAL: |
1533 | if (rebuild_map) { | |
1534 | RebuildMap(); | |
1535 | } | |
9e33d556 N |
1536 | if (c.scan) { |
1537 | if (c.runstop <= 0) { | |
e7b84f9d | 1538 | pr_err("--incremental --scan meaningless without --run.\n"); |
8382f19b NB |
1539 | break; |
1540 | } | |
29ba4804 | 1541 | if (devmode == 'f') { |
e7b84f9d | 1542 | pr_err("--incremental --scan --fail not supported.\n"); |
29ba4804 N |
1543 | break; |
1544 | } | |
0937132d | 1545 | rv = IncrementalScan(c.verbose); |
8382f19b NB |
1546 | } |
1547 | if (!devlist) { | |
9e33d556 | 1548 | if (!rebuild_map && !c.scan) { |
e7b84f9d | 1549 | pr_err("--incremental requires a device.\n"); |
8382f19b NB |
1550 | rv = 1; |
1551 | } | |
1552 | break; | |
1553 | } | |
1554 | if (devlist->next) { | |
e7b84f9d | 1555 | pr_err("--incremental can only handle one device.\n"); |
8382f19b NB |
1556 | rv = 1; |
1557 | break; | |
1558 | } | |
950bc344 PC |
1559 | if (devmode == 'f') |
1560 | rv = IncrementalRemove(devlist->devname, remove_path, | |
0937132d | 1561 | c.verbose); |
950bc344 | 1562 | else |
11b6d91d | 1563 | rv = Incremental(devlist->devname, &c, ss); |
1f48664b NB |
1564 | break; |
1565 | case AUTODETECT: | |
1566 | autodetect(); | |
1567 | break; | |
64c4757e | 1568 | } |
52826846 | 1569 | exit(rv); |
64c4757e | 1570 | } |
3cbc4d12 | 1571 | |
4977146a N |
1572 | static int scan_assemble(struct supertype *ss, |
1573 | struct context *c, | |
1574 | struct mddev_ident *ident) | |
3cbc4d12 N |
1575 | { |
1576 | struct mddev_ident *a, *array_list = conf_get_ident(NULL); | |
1577 | struct mddev_dev *devlist = conf_get_devs(); | |
1578 | struct map_ent *map = NULL; | |
1579 | int cnt = 0; | |
1580 | int rv = 0; | |
1581 | int failures, successes; | |
1582 | ||
1583 | if (conf_verify_devnames(array_list)) { | |
e7b84f9d N |
1584 | pr_err("Duplicate MD device names in " |
1585 | "conf file were found.\n"); | |
3cbc4d12 N |
1586 | return 1; |
1587 | } | |
1588 | if (devlist == NULL) { | |
e7b84f9d | 1589 | pr_err("No devices listed in conf file were found.\n"); |
3cbc4d12 N |
1590 | return 1; |
1591 | } | |
1592 | for (a = array_list; a ; a = a->next) { | |
1593 | a->assembled = 0; | |
1594 | if (a->autof == 0) | |
4977146a | 1595 | a->autof = c->autof; |
3cbc4d12 N |
1596 | } |
1597 | if (map_lock(&map)) | |
e7b84f9d N |
1598 | pr_err("%s: failed to get " |
1599 | "exclusive lock on mapfile\n", | |
1600 | __func__); | |
3cbc4d12 N |
1601 | do { |
1602 | failures = 0; | |
1603 | successes = 0; | |
1604 | rv = 0; | |
1605 | for (a = array_list; a ; a = a->next) { | |
1606 | int r; | |
1607 | if (a->assembled) | |
1608 | continue; | |
1609 | if (a->devname && | |
1610 | strcasecmp(a->devname, "<ignore>") == 0) | |
1611 | continue; | |
1011e834 | 1612 | |
3cbc4d12 | 1613 | r = Assemble(ss, a->devname, |
4977146a | 1614 | a, NULL, c); |
3cbc4d12 N |
1615 | if (r == 0) { |
1616 | a->assembled = 1; | |
1617 | successes++; | |
1618 | } else | |
1619 | failures++; | |
1620 | rv |= r; | |
1621 | cnt++; | |
1622 | } | |
1623 | } while (failures && successes); | |
4977146a | 1624 | if (c->homehost && cnt == 0) { |
3cbc4d12 N |
1625 | /* Maybe we can auto-assemble something. |
1626 | * Repeatedly call Assemble in auto-assemble mode | |
1627 | * until it fails | |
1628 | */ | |
1629 | int rv2; | |
1630 | int acnt; | |
4977146a | 1631 | ident->autof = c->autof; |
3cbc4d12 N |
1632 | do { |
1633 | struct mddev_dev *devlist = conf_get_devs(); | |
1634 | acnt = 0; | |
1635 | do { | |
1636 | rv2 = Assemble(ss, NULL, | |
1637 | ident, | |
4977146a | 1638 | devlist, c); |
3cbc4d12 N |
1639 | if (rv2==0) { |
1640 | cnt++; | |
1641 | acnt++; | |
1642 | } | |
1643 | } while (rv2!=2); | |
1644 | /* Incase there are stacked devices, we need to go around again */ | |
1645 | } while (acnt); | |
1646 | if (cnt == 0 && rv == 0) { | |
e7b84f9d | 1647 | pr_err("No arrays found in config file or automatically\n"); |
3cbc4d12 N |
1648 | rv = 1; |
1649 | } else if (cnt) | |
1650 | rv = 0; | |
1651 | } else if (cnt == 0 && rv == 0) { | |
e7b84f9d | 1652 | pr_err("No arrays found in config file\n"); |
3cbc4d12 N |
1653 | rv = 1; |
1654 | } | |
1655 | map_unlock(&map); | |
1656 | return rv; | |
1657 | } | |
7d27d1c0 | 1658 | |
ef898ce6 | 1659 | static int misc_scan(char devmode, struct context *c) |
7d27d1c0 N |
1660 | { |
1661 | /* apply --detail or --wait-clean to | |
1662 | * all devices in /proc/mdstat | |
1663 | */ | |
1664 | struct mdstat_ent *ms = mdstat_read(0, 1); | |
1665 | struct mdstat_ent *e; | |
1666 | struct map_ent *map = NULL; | |
1667 | int members; | |
7d27d1c0 N |
1668 | int rv = 0; |
1669 | ||
1670 | for (members = 0; members <= 1; members++) { | |
1671 | for (e=ms ; e ; e=e->next) { | |
743eaf8b | 1672 | char *name = NULL; |
7d27d1c0 | 1673 | struct map_ent *me; |
743eaf8b | 1674 | struct stat stb; |
7d27d1c0 N |
1675 | int member = e->metadata_version && |
1676 | strncmp(e->metadata_version, | |
1677 | "external:/", 10) == 0; | |
1678 | if (members != member) | |
1679 | continue; | |
4dd2df09 | 1680 | me = map_by_devnm(&map, e->devnm); |
7d27d1c0 N |
1681 | if (me && me->path |
1682 | && strcmp(me->path, "/unknown") != 0) | |
1683 | name = me->path; | |
743eaf8b N |
1684 | if (name == NULL || |
1685 | stat(name, &stb) != 0) | |
4dd2df09 | 1686 | name = get_md_name(e->devnm); |
7d27d1c0 N |
1687 | |
1688 | if (!name) { | |
e7b84f9d | 1689 | pr_err("cannot find device file for %s\n", |
7d27d1c0 N |
1690 | e->dev); |
1691 | continue; | |
1692 | } | |
1693 | if (devmode == 'D') | |
ef898ce6 | 1694 | rv |= Detail(name, c); |
7d27d1c0 | 1695 | else |
ef898ce6 | 1696 | rv |= WaitClean(name, -1, c->verbose); |
7d27d1c0 N |
1697 | put_md_name(name); |
1698 | } | |
1699 | } | |
1700 | free_mdstat(ms); | |
1701 | return rv; | |
1702 | } | |
1703 | ||
ba728be7 | 1704 | static int stop_scan(int verbose) |
7d27d1c0 N |
1705 | { |
1706 | /* apply --stop to all devices in /proc/mdstat */ | |
1707 | /* Due to possible stacking of devices, repeat until | |
1708 | * nothing more can be stopped | |
1709 | */ | |
1710 | int progress=1, err; | |
1711 | int last = 0; | |
1712 | int rv = 0; | |
1713 | do { | |
1714 | struct mdstat_ent *ms = mdstat_read(0, 0); | |
1715 | struct mdstat_ent *e; | |
1716 | ||
1717 | if (!progress) last = 1; | |
1718 | progress = 0; err = 0; | |
1719 | for (e=ms ; e ; e=e->next) { | |
4dd2df09 | 1720 | char *name = get_md_name(e->devnm); |
7d27d1c0 N |
1721 | int mdfd; |
1722 | ||
1723 | if (!name) { | |
e7b84f9d | 1724 | pr_err("cannot find device file for %s\n", |
7d27d1c0 N |
1725 | e->dev); |
1726 | continue; | |
1727 | } | |
1728 | mdfd = open_mddev(name, 1); | |
1729 | if (mdfd >= 0) { | |
fe7e0e64 | 1730 | if (Manage_stop(name, mdfd, verbose, !last)) |
7d27d1c0 N |
1731 | err = 1; |
1732 | else | |
1733 | progress = 1; | |
1734 | close(mdfd); | |
1735 | } | |
1736 | ||
1737 | put_md_name(name); | |
1738 | } | |
1739 | free_mdstat(ms); | |
1740 | } while (!last && err); | |
1741 | if (err) | |
1742 | rv |= 1; | |
1743 | return rv; | |
1744 | } | |
1745 | ||
1746 | static int misc_list(struct mddev_dev *devlist, | |
86da243f | 1747 | struct mddev_ident *ident, |
74db60b0 | 1748 | char *dump_directory, |
86da243f | 1749 | struct supertype *ss, struct context *c) |
7d27d1c0 N |
1750 | { |
1751 | struct mddev_dev *dv; | |
1752 | int rv = 0; | |
1753 | ||
74db60b0 | 1754 | for (dv=devlist ; dv; dv=(rv & 16) ? NULL : dv->next) { |
7d27d1c0 N |
1755 | int mdfd; |
1756 | ||
1757 | switch(dv->disposition) { | |
1758 | case 'D': | |
ef898ce6 | 1759 | rv |= Detail(dv->devname, c); |
7d27d1c0 N |
1760 | continue; |
1761 | case KillOpt: /* Zero superblock */ | |
1762 | if (ss) | |
86da243f | 1763 | rv |= Kill(dv->devname, ss, c->force, c->verbose,0); |
7d27d1c0 | 1764 | else { |
86da243f | 1765 | int v = c->verbose; |
7d27d1c0 | 1766 | do { |
86da243f | 1767 | rv |= Kill(dv->devname, NULL, c->force, v, 0); |
ba728be7 | 1768 | v = -1; |
7d27d1c0 N |
1769 | } while (rv == 0); |
1770 | rv &= ~2; | |
1771 | } | |
1772 | continue; | |
1773 | case 'Q': | |
1774 | rv |= Query(dv->devname); continue; | |
1775 | case 'X': | |
86da243f | 1776 | rv |= ExamineBitmap(dv->devname, c->brief, ss); continue; |
6d388a88 N |
1777 | case ExamineBB: |
1778 | rv |= ExamineBadblocks(dv->devname, c->brief, ss); continue; | |
7d27d1c0 N |
1779 | case 'W': |
1780 | case WaitOpt: | |
1781 | rv |= Wait(dv->devname); continue; | |
1782 | case Waitclean: | |
86da243f | 1783 | rv |= WaitClean(dv->devname, -1, c->verbose); continue; |
7d27d1c0 | 1784 | case KillSubarray: |
86da243f | 1785 | rv |= Kill_subarray(dv->devname, c->subarray, c->verbose); |
7d27d1c0 N |
1786 | continue; |
1787 | case UpdateSubarray: | |
86da243f | 1788 | if (c->update == NULL) { |
e7b84f9d | 1789 | pr_err("-U/--update must be specified with --update-subarray\n"); |
7d27d1c0 N |
1790 | rv |= 1; |
1791 | continue; | |
1792 | } | |
86da243f N |
1793 | rv |= Update_subarray(dv->devname, c->subarray, |
1794 | c->update, ident, c->verbose); | |
7d27d1c0 | 1795 | continue; |
74db60b0 N |
1796 | case Dump: |
1797 | rv |= Dump_metadata(dv->devname, dump_directory, c, ss); | |
1798 | continue; | |
1799 | case Restore: | |
1800 | rv |= Restore_metadata(dv->devname, dump_directory, c, ss, | |
1801 | (dv == devlist && dv->next == NULL)); | |
1802 | continue; | |
7d27d1c0 | 1803 | } |
e6dd89da N |
1804 | if (dv->devname[0] == '/') |
1805 | mdfd = open_mddev(dv->devname, 1); | |
1806 | else { | |
1807 | mdfd = open_dev(dv->devname); | |
1808 | if (mdfd < 0) | |
1809 | pr_err("Cannot open %s\n", dv->devname); | |
1810 | } | |
7d27d1c0 N |
1811 | if (mdfd>=0) { |
1812 | switch(dv->disposition) { | |
1813 | case 'R': | |
fe7e0e64 | 1814 | rv |= Manage_run(dv->devname, mdfd, c->verbose); break; |
7d27d1c0 | 1815 | case 'S': |
fe7e0e64 | 1816 | rv |= Manage_stop(dv->devname, mdfd, c->verbose, 0); break; |
7d27d1c0 N |
1817 | case 'o': |
1818 | rv |= Manage_ro(dv->devname, mdfd, 1); break; | |
1819 | case 'w': | |
1820 | rv |= Manage_ro(dv->devname, mdfd, -1); break; | |
1821 | } | |
1822 | close(mdfd); | |
1823 | } else | |
1824 | rv |= 1; | |
1825 | } | |
1826 | return rv; | |
1827 | } |