]>
Commit | Line | Data |
---|---|---|
64c4757e | 1 | /* |
9a9dab36 | 2 | * mdadm - manage Linux "md" devices aka RAID arrays. |
64c4757e | 3 | * |
cd29a5c8 | 4 | * Copyright (C) 2001-2002 Neil Brown <neilb@cse.unsw.edu.au> |
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 | |
22 | * Email: <neilb@cse.unsw.edu.au> | |
23 | * Paper: Neil Brown | |
24 | * School of Computer Science and Engineering | |
25 | * The University of New South Wales | |
26 | * Sydney, 2052 | |
27 | * Australia | |
c82f047c | 28 | * |
dfd4d8ee | 29 | * Additions for bitmap and write-behind RAID options, Copyright (C) 2003-2004, |
c82f047c | 30 | * Paul Clements, SteelEye Technology, Inc. |
64c4757e NB |
31 | */ |
32 | ||
9a9dab36 | 33 | #include "mdadm.h" |
64c4757e | 34 | #include "md_p.h" |
dd0781e5 | 35 | #include <ctype.h> |
64c4757e | 36 | |
dd0781e5 | 37 | |
52826846 NB |
38 | int main(int argc, char *argv[]) |
39 | { | |
e0d19036 | 40 | int mode = 0; |
52826846 | 41 | int opt; |
e0d19036 | 42 | int option_index; |
52826846 NB |
43 | char *help_text; |
44 | char *c; | |
45 | int rv; | |
f9ce90ba | 46 | int i; |
52826846 NB |
47 | |
48 | int chunk = 0; | |
dd0781e5 | 49 | int size = -1; |
98c6faba NB |
50 | int level = UnSet; |
51 | int layout = UnSet; | |
52826846 | 52 | int raiddisks = 0; |
ea329559 | 53 | int max_disks = MD_SB_DISKS; |
52826846 NB |
54 | int sparedisks = 0; |
55 | struct mddev_ident_s ident; | |
56 | char *configfile = NULL; | |
cd29a5c8 | 57 | char *cp; |
5787fa49 | 58 | char *update = NULL; |
52826846 NB |
59 | int scan = 0; |
60 | char devmode = 0; | |
61 | int runstop = 0; | |
62 | int readonly = 0; | |
dfd4d8ee | 63 | int write_behind = 0; |
c82f047c NB |
64 | int bitmap_fd = -1; |
65 | char *bitmap_file = NULL; | |
66 | int bitmap_chunk = UnSet; | |
bd526cee | 67 | int SparcAdjust = 0; |
cd29a5c8 NB |
68 | mddev_dev_t devlist = NULL; |
69 | mddev_dev_t *devlistend = & devlist; | |
70 | mddev_dev_t dv; | |
52826846 NB |
71 | int devs_found = 0; |
72 | int verbose = 0; | |
dab6685f | 73 | int quiet = 0; |
cd29a5c8 | 74 | int brief = 0; |
52826846 | 75 | int force = 0; |
feb716e9 | 76 | int test = 0; |
dd0781e5 | 77 | int assume_clean = 0; |
8d80900b NB |
78 | int autof = 0; /* -2 means create device based on name: |
79 | * if it ends mdN, then non-partitioned array N | |
80 | * if it ends dN, then partitions array N | |
81 | * -1 means create non-partitioned, choose N | |
82 | * 1 or more to create partitioned | |
83 | * If -1 or 1 and name is a 'standard' name, then | |
84 | * insist on a match of type and number. | |
85 | */ | |
52826846 NB |
86 | |
87 | char *mailaddr = NULL; | |
88 | char *program = NULL; | |
89 | int delay = 0; | |
d013a55e | 90 | int daemonise = 0; |
b5e64645 | 91 | char *pidfile = NULL; |
aa88f531 | 92 | int oneshot = 0; |
82d9eba6 | 93 | struct supertype *ss = NULL; |
dfd4d8ee | 94 | int writemostly = 0; |
52826846 | 95 | |
e5329c37 NB |
96 | int copies; |
97 | ||
52826846 NB |
98 | int mdfd = -1; |
99 | ||
dfe47e00 NB |
100 | srandom(time(0) ^ getpid()); |
101 | ||
52826846 | 102 | ident.uuid_set=0; |
98c6faba NB |
103 | ident.level = UnSet; |
104 | ident.raid_disks = UnSet; | |
105 | ident.super_minor= UnSet; | |
52826846 | 106 | ident.devices=0; |
a75f2fbc NB |
107 | ident.spare_group = NULL; |
108 | ident.autof = 0; | |
a825febc | 109 | ident.st = NULL; |
c82f047c | 110 | ident.bitmap_fd = -1; |
947fd4dd | 111 | ident.name[0] = 0; |
52826846 | 112 | |
e0d19036 NB |
113 | while ((option_index = -1) , |
114 | (opt=getopt_long(argc, argv, | |
52826846 | 115 | short_options, long_options, |
e0d19036 NB |
116 | &option_index)) != -1) { |
117 | int newmode = mode; | |
dab6685f | 118 | /* firstly, some mode-independant options */ |
52826846 | 119 | switch(opt) { |
52826846 NB |
120 | case 'h': |
121 | help_text = Help; | |
56eedc1a NB |
122 | if (option_index > 0 && |
123 | strcmp(long_options[option_index].name, "help-options")==0) | |
124 | help_text = OptionHelp; | |
125 | else | |
126 | switch (mode) { | |
127 | case ASSEMBLE : help_text = Help_assemble; break; | |
128 | case BUILD : help_text = Help_build; break; | |
129 | case CREATE : help_text = Help_create; break; | |
130 | case MANAGE : help_text = Help_manage; break; | |
131 | case MISC : help_text = Help_misc; break; | |
132 | case MONITOR : help_text = Help_monitor; break; | |
dd0781e5 | 133 | case GROW : help_text = Help_grow; break; |
56eedc1a | 134 | } |
52826846 NB |
135 | fputs(help_text,stderr); |
136 | exit(0); | |
137 | ||
138 | case 'V': | |
139 | fputs(Version, stderr); | |
140 | exit(0); | |
141 | ||
22892d56 | 142 | case 'v': verbose++; |
52826846 NB |
143 | continue; |
144 | ||
dab6685f NB |
145 | case 'q': quiet++; |
146 | continue; | |
147 | ||
c82f047c | 148 | case 'b': |
f5e166fe | 149 | if (mode == ASSEMBLE || mode == BUILD || mode == CREATE || mode == GROW) |
c82f047c NB |
150 | break; /* b means bitmap */ |
151 | brief = 1; | |
cd29a5c8 NB |
152 | continue; |
153 | ||
e0d19036 NB |
154 | case ':': |
155 | case '?': | |
156 | fputs(Usage, stderr); | |
157 | exit(2); | |
158 | } | |
159 | /* second, figure out the mode. | |
160 | * Some options force the mode. Others | |
161 | * set the mode if it isn't already | |
162 | */ | |
163 | ||
164 | switch(opt) { | |
165 | case '@': /* just incase they say --manage */ | |
166 | newmode = MANAGE; break; | |
167 | case 'a': | |
168 | case 'r': | |
169 | case 'f': | |
0320ea45 NB |
170 | if (!mode) newmode = MANAGE; |
171 | break; | |
e0d19036 NB |
172 | |
173 | case 'A': newmode = ASSEMBLE; break; | |
174 | case 'B': newmode = BUILD; break; | |
175 | case 'C': newmode = CREATE; break; | |
176 | case 'F': newmode = MONITOR;break; | |
dd0781e5 | 177 | case 'G': newmode = GROW; break; |
e0d19036 NB |
178 | |
179 | case '#': | |
180 | case 'D': | |
181 | case 'E': | |
c82f047c | 182 | case 'X': |
e0d19036 NB |
183 | case 'Q': newmode = MISC; break; |
184 | case 'R': | |
185 | case 'S': | |
186 | case 'o': | |
187 | case 'w': | |
188 | case 'K': if (!mode) newmode = MISC; break; | |
189 | } | |
190 | if (mode && newmode == mode) { | |
191 | /* everybody happy ! */ | |
192 | } else if (mode && newmode != mode) { | |
193 | /* not allowed.. */ | |
194 | fprintf(stderr, Name ": "); | |
195 | if (option_index >= 0) | |
196 | fprintf(stderr, "--%s", long_options[option_index].name); | |
197 | else | |
198 | fprintf(stderr, "-%c", opt); | |
e6b64cd0 | 199 | fprintf(stderr, " would set mdadm mode to \"%s\", but it is already set to \"%s\".\n", |
e0d19036 NB |
200 | map_num(modes, newmode), |
201 | map_num(modes, mode)); | |
202 | exit(2); | |
203 | } else if (!mode && newmode) { | |
204 | mode = newmode; | |
205 | } else { | |
206 | /* special case of -c --help */ | |
207 | if (opt == 'c' && | |
208 | ( strncmp(optarg, "--h", 3)==0 || | |
209 | strncmp(optarg, "-h", 2)==0)) { | |
210 | fputs(Help_config, stderr); | |
211 | exit(0); | |
cd29a5c8 | 212 | } |
0320ea45 NB |
213 | |
214 | /* If first option is a device, don't force the mode yet */ | |
215 | if (opt == 1) { | |
216 | if (devs_found == 0) { | |
217 | dv = malloc(sizeof(*dv)); | |
218 | if (dv == NULL) { | |
219 | fprintf(stderr, Name ": malloc failed\n"); | |
220 | exit(3); | |
221 | } | |
222 | dv->devname = optarg; | |
223 | dv->disposition = devmode; | |
dfd4d8ee | 224 | dv->writemostly = writemostly; |
0320ea45 NB |
225 | dv->next = NULL; |
226 | *devlistend = dv; | |
227 | devlistend = &dv->next; | |
228 | ||
229 | devs_found++; | |
230 | continue; | |
231 | } | |
232 | /* No mode yet, and this is the second device ... */ | |
233 | fprintf(stderr, Name ": An option must be given to set the mode before a second device is listed\n"); | |
234 | exit(2); | |
235 | } | |
e0d19036 | 236 | if (option_index >= 0) |
0320ea45 | 237 | fprintf(stderr, Name ": --%s", long_options[option_index].name); |
e0d19036 | 238 | else |
0320ea45 NB |
239 | fprintf(stderr, Name ": -%c", opt); |
240 | fprintf(stderr, " does not set the mode, and so cannot be the first option.\n"); | |
e0d19036 NB |
241 | exit(2); |
242 | } | |
243 | ||
244 | /* if we just set the mode, then done */ | |
245 | switch(opt) { | |
246 | case '@': | |
247 | case '#': | |
248 | case 'A': | |
249 | case 'B': | |
250 | case 'C': | |
251 | case 'F': | |
dd0781e5 | 252 | case 'G': |
e0d19036 NB |
253 | continue; |
254 | } | |
255 | if (opt == 1) { | |
256 | /* an undecorated option - must be a device name. | |
257 | */ | |
cd29a5c8 | 258 | if (devs_found > 0 && mode == '@' && !devmode) { |
dd0781e5 | 259 | fprintf(stderr, Name ": Must give one of -a/-r/-f for subsequent devices at %s\n", optarg); |
52826846 NB |
260 | exit(2); |
261 | } | |
e5329c37 NB |
262 | if (devs_found > 0 && mode == 'G' && !devmode) { |
263 | fprintf(stderr, Name ": Must give one of -a for devices do add: %s\n", optarg); | |
264 | exit(2); | |
265 | } | |
cd29a5c8 NB |
266 | dv = malloc(sizeof(*dv)); |
267 | if (dv == NULL) { | |
268 | fprintf(stderr, Name ": malloc failed\n"); | |
269 | exit(3); | |
270 | } | |
271 | dv->devname = optarg; | |
272 | dv->disposition = devmode; | |
dfd4d8ee | 273 | dv->writemostly = writemostly; |
cd29a5c8 NB |
274 | dv->next = NULL; |
275 | *devlistend = dv; | |
276 | devlistend = &dv->next; | |
277 | ||
52826846 NB |
278 | devs_found++; |
279 | continue; | |
682c7051 | 280 | } |
682c7051 | 281 | |
52826846 NB |
282 | /* We've got a mode, and opt is now something else which |
283 | * could depend on the mode */ | |
284 | #define O(a,b) ((a<<8)|b) | |
285 | switch (O(mode,opt)) { | |
e0d19036 NB |
286 | case O(CREATE,'c'): |
287 | case O(BUILD,'c'): /* chunk or rounding */ | |
52826846 NB |
288 | if (chunk) { |
289 | fprintf(stderr, Name ": chunk/rounding may only be specified once. " | |
290 | "Second value is %s.\n", optarg); | |
291 | exit(2); | |
292 | } | |
293 | chunk = strtol(optarg, &c, 10); | |
294 | if (!optarg[0] || *c || chunk<4 || ((chunk-1)&chunk)) { | |
295 | fprintf(stderr, Name ": invalid chunk/rounding value: %s\n", | |
296 | optarg); | |
297 | exit(2); | |
298 | } | |
299 | continue; | |
64c4757e | 300 | |
f9ce90ba NB |
301 | case O(CREATE,'e'): |
302 | case O(ASSEMBLE,'e'): | |
303 | case O(MISC,'e'): /* set metadata (superblock) information */ | |
304 | if (ss) { | |
305 | fprintf(stderr, Name ": metadata information already given\n"); | |
306 | exit(2); | |
307 | } | |
82d9eba6 NB |
308 | for(i=0; !ss && superlist[i]; i++) |
309 | ss = superlist[i]->match_metadata_desc(optarg); | |
310 | ||
f9ce90ba NB |
311 | if (!ss) { |
312 | fprintf(stderr, Name ": unrecognised metadata identifier: %s\n", optarg); | |
313 | exit(2); | |
314 | } | |
ea329559 | 315 | max_disks = ss->max_devs; |
f9ce90ba NB |
316 | continue; |
317 | ||
dfd4d8ee NB |
318 | case O(MANAGE,'W'): |
319 | case O(BUILD,'W'): | |
320 | case O(CREATE,'W'): | |
321 | /* set write-mostly for following devices */ | |
322 | writemostly = 1; | |
323 | continue; | |
324 | ||
dd0781e5 | 325 | case O(GROW,'z'): |
e0d19036 | 326 | case O(CREATE,'z'): /* size */ |
dd0781e5 | 327 | if (size >= 0) { |
52826846 NB |
328 | fprintf(stderr, Name ": size may only be specified once. " |
329 | "Second value is %s.\n", optarg); | |
330 | exit(2); | |
331 | } | |
dd0781e5 NB |
332 | if (strcmp(optarg, "max")==0) |
333 | size = 0; | |
334 | else { | |
335 | size = strtol(optarg, &c, 10); | |
336 | if (!optarg[0] || *c || size < 4) { | |
337 | fprintf(stderr, Name ": invalid size: %s\n", | |
338 | optarg); | |
339 | exit(2); | |
340 | } | |
52826846 NB |
341 | } |
342 | continue; | |
64c4757e | 343 | |
b5e64645 | 344 | case O(GROW,'l'): /* hack - needed to understand layout */ |
e0d19036 NB |
345 | case O(CREATE,'l'): |
346 | case O(BUILD,'l'): /* set raid level*/ | |
98c6faba | 347 | if (level != UnSet) { |
52826846 NB |
348 | fprintf(stderr, Name ": raid level may only be set once. " |
349 | "Second value is %s.\n", optarg); | |
350 | exit(2); | |
351 | } | |
352 | level = map_name(pers, optarg); | |
98c6faba | 353 | if (level == UnSet) { |
52826846 NB |
354 | fprintf(stderr, Name ": invalid raid level: %s\n", |
355 | optarg); | |
356 | exit(2); | |
357 | } | |
b5e64645 | 358 | if (level != 0 && level != -1 && level != 1 && level != -4 && level != -5 && mode == BUILD) { |
52826846 NB |
359 | fprintf(stderr, Name ": Raid level %s not permitted with --build.\n", |
360 | optarg); | |
361 | exit(2); | |
362 | } | |
e0d19036 | 363 | if (sparedisks > 0 && level < 1 && level >= -1) { |
b83d95f3 | 364 | fprintf(stderr, Name ": raid level %s is incompatible with spare-devices setting.\n", |
52826846 NB |
365 | optarg); |
366 | exit(2); | |
367 | } | |
cd29a5c8 | 368 | ident.level = level; |
52826846 | 369 | continue; |
64c4757e | 370 | |
e0d19036 | 371 | case O(CREATE,'p'): /* raid5 layout */ |
b5e64645 NB |
372 | case O(BUILD,'p'): /* faulty layout */ |
373 | case O(GROW, 'p'): /* faulty reconfig */ | |
e5329c37 | 374 | if (layout != UnSet) { |
52826846 NB |
375 | fprintf(stderr,Name ": layout may only be sent once. " |
376 | "Second value was %s\n", optarg); | |
377 | exit(2); | |
378 | } | |
379 | switch(level) { | |
380 | default: | |
56eb10c0 | 381 | fprintf(stderr, Name ": layout not meaningful for %s arrays.\n", |
52826846 NB |
382 | map_num(pers, level)); |
383 | exit(2); | |
98c6faba | 384 | case UnSet: |
52826846 NB |
385 | fprintf(stderr, Name ": raid level must be given before layout.\n"); |
386 | exit(2); | |
387 | ||
388 | case 5: | |
98c6faba | 389 | case 6: |
52826846 | 390 | layout = map_name(r5layout, optarg); |
98c6faba | 391 | if (layout==UnSet) { |
52826846 NB |
392 | fprintf(stderr, Name ": layout %s not understood for raid5.\n", |
393 | optarg); | |
394 | exit(2); | |
395 | } | |
396 | break; | |
e5329c37 NB |
397 | |
398 | case 10: | |
399 | /* 'f' or 'n' followed by a number <= raid_disks */ | |
400 | if ((optarg[0] != 'n' && optarg[0] != 'f') || | |
401 | (copies = strtoul(optarg+1, &cp, 10)) < 1 || | |
402 | copies > 200 || | |
403 | *cp) { | |
404 | fprintf(stderr, Name ": layout for raid10 must be 'nNN' or 'fNN' where NN is a number, not %s\n", optarg); | |
405 | exit(2); | |
406 | } | |
407 | if (optarg[0] == 'n') | |
408 | layout = 256 + copies; | |
409 | else | |
410 | layout = 1 + (copies<<8); | |
411 | break; | |
b5e64645 NB |
412 | case -5: /* Faulty |
413 | * modeNNN | |
414 | */ | |
415 | ||
416 | { | |
417 | int ln = strcspn(optarg, "0123456789"); | |
418 | char *m = strdup(optarg); | |
419 | int mode; | |
420 | m[ln] = 0; | |
421 | mode = map_name(faultylayout, m); | |
422 | if (mode == UnSet) { | |
423 | fprintf(stderr, Name ": layout %s not understood for faulty.\n", | |
424 | optarg); | |
425 | exit(2); | |
426 | } | |
427 | layout = mode | (atoi(optarg+ln)<< ModeShift); | |
428 | } | |
52826846 NB |
429 | } |
430 | continue; | |
431 | ||
dd0781e5 NB |
432 | case O(CREATE,3): |
433 | case O(BUILD,3): /* assume clean */ | |
434 | assume_clean = 1; | |
435 | continue; | |
436 | ||
437 | case O(GROW,'n'): | |
e0d19036 NB |
438 | case O(CREATE,'n'): |
439 | case O(BUILD,'n'): /* number of raid disks */ | |
52826846 | 440 | if (raiddisks) { |
b83d95f3 | 441 | fprintf(stderr, Name ": raid-devices set twice: %d and %s\n", |
52826846 NB |
442 | raiddisks, optarg); |
443 | exit(2); | |
444 | } | |
445 | raiddisks = strtol(optarg, &c, 10); | |
e4c4352e | 446 | if (!optarg[0] || *c || raiddisks<=0) { |
b83d95f3 | 447 | fprintf(stderr, Name ": invalid number of raid devices: %s\n", |
52826846 NB |
448 | optarg); |
449 | exit(2); | |
450 | } | |
cd29a5c8 | 451 | ident.raid_disks = raiddisks; |
52826846 NB |
452 | continue; |
453 | ||
e0d19036 | 454 | case O(CREATE,'x'): /* number of spare (eXtra) discs */ |
52826846 | 455 | if (sparedisks) { |
b83d95f3 | 456 | fprintf(stderr,Name ": spare-devices set twice: %d and %s\n", |
52826846 NB |
457 | sparedisks, optarg); |
458 | exit(2); | |
459 | } | |
98c6faba | 460 | if (level != UnSet && level <= 0 && level >= -1) { |
b83d95f3 | 461 | fprintf(stderr, Name ": spare-devices setting is incompatible with raid level %d\n", |
52826846 NB |
462 | level); |
463 | exit(2); | |
464 | } | |
465 | sparedisks = strtol(optarg, &c, 10); | |
e4c4352e | 466 | if (!optarg[0] || *c || sparedisks < 0) { |
b83d95f3 | 467 | fprintf(stderr, Name ": invalid number of spare-devices: %s\n", |
52826846 NB |
468 | optarg); |
469 | exit(2); | |
470 | } | |
471 | continue; | |
dd0781e5 NB |
472 | |
473 | case O(CREATE,'a'): | |
474 | case O(BUILD,'a'): | |
475 | case O(ASSEMBLE,'a'): /* auto-creation of device node */ | |
476 | if (optarg == NULL) | |
8d80900b | 477 | autof = -2; |
dd0781e5 NB |
478 | else if (strcasecmp(optarg,"no")==0) |
479 | autof = 0; | |
8d80900b NB |
480 | else if (strcasecmp(optarg,"yes")==0) |
481 | autof = -2; | |
482 | else if (strcasecmp(optarg,"md")==0) | |
dd0781e5 NB |
483 | autof = -1; |
484 | else { | |
485 | /* There might be digits, and maybe a hypen, at the end */ | |
486 | char *e = optarg + strlen(optarg); | |
487 | int num = 4; | |
488 | int len; | |
489 | while (e > optarg && isdigit(e[-1])) | |
490 | e--; | |
491 | if (*e) { | |
492 | num = atoi(e); | |
493 | if (num <= 0) num = 1; | |
494 | } | |
495 | if (e > optarg && e[-1] == '-') | |
496 | e--; | |
497 | len = e - optarg; | |
498 | if ((len == 3 && strncasecmp(optarg,"mdp",3)==0) || | |
499 | (len == 1 && strncasecmp(optarg,"p",1)==0) || | |
500 | (len >= 4 && strncasecmp(optarg,"part",4)==0)) | |
501 | autof = num; | |
502 | else { | |
503 | fprintf(stderr, Name ": --auto flag arg of \"%s\" unrecognised: use no,yes,md,mdp,part\n" | |
504 | " optionally followed by a number.\n", | |
505 | optarg); | |
506 | exit(2); | |
507 | } | |
508 | } | |
509 | continue; | |
510 | ||
aa88f531 | 511 | case O(BUILD,'f'): /* force honouring '-n 1' */ |
bd72c2b2 | 512 | case O(GROW,'f'): /* ditto */ |
e0d19036 NB |
513 | case O(CREATE,'f'): /* force honouring of device list */ |
514 | case O(ASSEMBLE,'f'): /* force assembly */ | |
515 | case O(MISC,'f'): /* force zero */ | |
52826846 NB |
516 | force=1; |
517 | continue; | |
518 | ||
519 | /* now for the Assemble options */ | |
e0d19036 | 520 | case O(ASSEMBLE,'u'): /* uuid of array */ |
52826846 | 521 | if (ident.uuid_set) { |
cd29a5c8 | 522 | fprintf(stderr, Name ": uuid cannot be set twice. " |
52826846 NB |
523 | "Second value %s.\n", optarg); |
524 | exit(2); | |
525 | } | |
526 | if (parse_uuid(optarg, ident.uuid)) | |
527 | ident.uuid_set = 1; | |
528 | else { | |
529 | fprintf(stderr,Name ": Bad uuid: %s\n", optarg); | |
530 | exit(2); | |
531 | } | |
532 | continue; | |
533 | ||
947fd4dd NB |
534 | case O(CREATE,'N'): |
535 | case O(ASSEMBLE,'N'): | |
536 | if (ident.name[0]) { | |
537 | fprintf(stderr, Name ": name cannot be set twice. " | |
538 | "Second value %s.\n", optarg); | |
539 | exit(2); | |
540 | } | |
541 | if (strlen(optarg) > 32) { | |
542 | fprintf(stderr, Name ": name '%s' is too long, 32 chars max.\n", | |
543 | optarg); | |
544 | exit(2); | |
545 | } | |
546 | strcpy(ident.name, optarg); | |
547 | continue; | |
548 | ||
e0d19036 | 549 | case O(ASSEMBLE,'m'): /* super-minor for array */ |
98c6faba | 550 | if (ident.super_minor != UnSet) { |
cd29a5c8 NB |
551 | fprintf(stderr, Name ": super-minor cannot be set twice. " |
552 | "Second value: %s.\n", optarg); | |
553 | exit(2); | |
554 | } | |
d013a55e NB |
555 | if (strcmp(optarg, "dev")==0) |
556 | ident.super_minor = -2; | |
557 | else { | |
558 | ident.super_minor = strtoul(optarg, &cp, 10); | |
559 | if (!optarg[0] || *cp) { | |
560 | fprintf(stderr, Name ": Bad super-minor number: %s.\n", optarg); | |
561 | exit(2); | |
562 | } | |
cd29a5c8 NB |
563 | } |
564 | continue; | |
565 | ||
5787fa49 NB |
566 | case O(ASSEMBLE,'U'): /* update the superblock */ |
567 | if (update) { | |
568 | fprintf(stderr, Name ": Can only update one aspect of superblock, both %s and %s given.\n", | |
569 | update, optarg); | |
570 | exit(2); | |
571 | } | |
572 | update = optarg; | |
e5329c37 NB |
573 | if (strcmp(update, "sparc2.2")==0) |
574 | continue; | |
5787fa49 NB |
575 | if (strcmp(update, "super-minor") == 0) |
576 | continue; | |
feb716e9 NB |
577 | if (strcmp(update, "summaries")==0) |
578 | continue; | |
e5329c37 NB |
579 | if (strcmp(update, "resync")==0) |
580 | continue; | |
586ed405 NB |
581 | if (strcmp(update, "byteorder")==0) { |
582 | if (ss) { | |
583 | fprintf(stderr, Name ": must not set metadata type with --update=byteorder.\n"); | |
584 | exit(2); | |
585 | } | |
586 | for(i=0; !ss && superlist[i]; i++) | |
587 | ss = superlist[i]->match_metadata_desc("0.swap"); | |
588 | if (!ss) { | |
589 | fprintf(stderr, Name ": INTERNAL ERROR cannot find 0.swap\n"); | |
590 | exit(2); | |
591 | } | |
592 | ||
593 | continue; | |
594 | } | |
e5329c37 | 595 | fprintf(stderr, Name ": '--update %s' invalid. Only 'sparc2.2', 'super-minor', 'resync' or 'summaries' supported\n",update); |
5787fa49 NB |
596 | exit(2); |
597 | ||
e0d19036 | 598 | case O(ASSEMBLE,'c'): /* config file */ |
2d465520 | 599 | case O(MISC, 'c'): |
e0d19036 | 600 | case O(MONITOR,'c'): |
52826846 NB |
601 | if (configfile) { |
602 | fprintf(stderr, Name ": configfile cannot be set twice. " | |
603 | "Second value is %s.\n", optarg); | |
604 | exit(2); | |
605 | } | |
606 | configfile = optarg; | |
607 | /* FIXME possibly check that config file exists. Even parse it */ | |
608 | continue; | |
e0d19036 NB |
609 | case O(ASSEMBLE,'s'): /* scan */ |
610 | case O(MISC,'s'): | |
611 | case O(MONITOR,'s'): | |
52826846 NB |
612 | scan = 1; |
613 | continue; | |
614 | ||
e0d19036 | 615 | case O(MONITOR,'m'): /* mail address */ |
52826846 NB |
616 | if (mailaddr) |
617 | fprintf(stderr, Name ": only specify one mailaddress. %s ignored.\n", | |
618 | optarg); | |
619 | else | |
620 | mailaddr = optarg; | |
621 | continue; | |
622 | ||
e0d19036 | 623 | case O(MONITOR,'p'): /* alert program */ |
52826846 NB |
624 | if (program) |
625 | fprintf(stderr, Name ": only specify one alter program. %s ignored.\n", | |
626 | optarg); | |
627 | else | |
628 | program = optarg; | |
629 | continue; | |
64c4757e | 630 | |
e0d19036 | 631 | case O(MONITOR,'d'): /* delay in seconds */ |
f5e166fe | 632 | case O(GROW, 'd'): |
c82f047c NB |
633 | case O(BUILD,'d'): /* delay for bitmap updates */ |
634 | case O(CREATE,'d'): | |
52826846 NB |
635 | if (delay) |
636 | fprintf(stderr, Name ": only specify delay once. %s ignored.\n", | |
637 | optarg); | |
638 | else { | |
639 | delay = strtol(optarg, &c, 10); | |
640 | if (!optarg[0] || *c || delay<1) { | |
641 | fprintf(stderr, Name ": invalid delay: %s\n", | |
642 | optarg); | |
643 | exit(2); | |
644 | } | |
645 | } | |
646 | continue; | |
d013a55e NB |
647 | case O(MONITOR,'f'): /* daemonise */ |
648 | daemonise = 1; | |
649 | continue; | |
b5e64645 NB |
650 | case O(MONITOR,'i'): /* pid */ |
651 | if (pidfile) | |
652 | fprintf(stderr, Name ": only specify one pid file. %s ignored.\n", | |
653 | optarg); | |
654 | else | |
655 | pidfile = optarg; | |
656 | continue; | |
aa88f531 NB |
657 | case O(MONITOR,'1'): /* oneshot */ |
658 | oneshot = 1; | |
659 | continue; | |
98c6faba NB |
660 | case O(MONITOR,'t'): /* test */ |
661 | test = 1; | |
662 | continue; | |
52826846 NB |
663 | |
664 | /* now the general management options. Some are applicable | |
665 | * to other modes. None have arguments. | |
666 | */ | |
e5329c37 | 667 | case O(GROW,'a'): |
dd0781e5 | 668 | case O(MANAGE,'a'): /* add a drive */ |
52826846 NB |
669 | devmode = 'a'; |
670 | continue; | |
e0d19036 | 671 | case O(MANAGE,'r'): /* remove a drive */ |
52826846 NB |
672 | devmode = 'r'; |
673 | continue; | |
e0d19036 | 674 | case O(MANAGE,'f'): /* set faulty */ |
52826846 NB |
675 | devmode = 'f'; |
676 | continue; | |
e0d19036 NB |
677 | case O(MANAGE,'R'): |
678 | case O(ASSEMBLE,'R'): | |
679 | case O(BUILD,'R'): | |
680 | case O(CREATE,'R'): /* Run the array */ | |
52826846 NB |
681 | if (runstop < 0) { |
682 | fprintf(stderr, Name ": Cannot both Stop and Run an array\n"); | |
683 | exit(2); | |
684 | } | |
685 | runstop = 1; | |
686 | continue; | |
e0d19036 | 687 | case O(MANAGE,'S'): |
52826846 NB |
688 | if (runstop > 0) { |
689 | fprintf(stderr, Name ": Cannot both Run and Stop an array\n"); | |
690 | exit(2); | |
691 | } | |
692 | runstop = -1; | |
693 | continue; | |
694 | ||
e0d19036 | 695 | case O(MANAGE,'o'): |
52826846 NB |
696 | if (readonly < 0) { |
697 | fprintf(stderr, Name ": Cannot have both readonly and readwrite\n"); | |
698 | exit(2); | |
699 | } | |
700 | readonly = 1; | |
701 | continue; | |
e0d19036 | 702 | case O(MANAGE,'w'): |
52826846 | 703 | if (readonly > 0) { |
e0d19036 | 704 | fprintf(stderr, Name ": Cannot have both readwrite and readonly.\n"); |
52826846 NB |
705 | exit(2); |
706 | } | |
707 | readonly = -1; | |
708 | continue; | |
e0d19036 NB |
709 | |
710 | case O(MISC,'Q'): | |
711 | case O(MISC,'D'): | |
712 | case O(MISC,'E'): | |
713 | case O(MISC,'K'): | |
714 | case O(MISC,'R'): | |
715 | case O(MISC,'S'): | |
c82f047c | 716 | case O(MISC,'X'): |
e0d19036 NB |
717 | case O(MISC,'o'): |
718 | case O(MISC,'w'): | |
719 | if (devmode && devmode != opt && | |
720 | (devmode == 'E' || (opt == 'E' && devmode != 'Q'))) { | |
721 | fprintf(stderr, Name ": --examine/-E cannot be given with -%c\n", | |
722 | devmode =='E'?opt:devmode); | |
723 | exit(2); | |
724 | } | |
725 | devmode = opt; | |
726 | continue; | |
feb716e9 NB |
727 | case O(MISC,'t'): |
728 | test = 1; | |
729 | continue; | |
e0d19036 | 730 | |
bd526cee NB |
731 | case O(MISC, 22): |
732 | if (devmode != 'E') { | |
733 | fprintf(stderr, Name ": --sparc2.2 only allowed with --examine\n"); | |
734 | exit(2); | |
735 | } | |
736 | SparcAdjust = 1; | |
737 | continue; | |
c82f047c NB |
738 | |
739 | case O(ASSEMBLE,'b'): /* here we simply set the bitmap file */ | |
740 | if (!optarg) { | |
741 | fprintf(stderr, Name ": bitmap file needed with -b in --assemble mode\n"); | |
742 | exit(2); | |
743 | } | |
55935d51 NB |
744 | if (strcmp(optarg, "internal")==0) { |
745 | fprintf(stderr, Name ": there is no need to specify --bitmap when assembling arrays with internal bitmaps\n"); | |
746 | continue; | |
747 | } | |
c82f047c NB |
748 | bitmap_fd = open(optarg, O_RDWR); |
749 | if (!*optarg || bitmap_fd < 0) { | |
750 | fprintf(stderr, Name ": cannot open bitmap file %s: %s\n", optarg, strerror(errno)); | |
751 | exit(2); | |
752 | } | |
753 | ident.bitmap_fd = bitmap_fd; /* for Assemble */ | |
754 | continue; | |
f5e166fe NB |
755 | |
756 | case O(GROW,'b'): | |
c82f047c NB |
757 | case O(BUILD,'b'): |
758 | case O(CREATE,'b'): /* here we create the bitmap */ | |
759 | bitmap_file = optarg; | |
760 | continue; | |
761 | ||
f5e166fe | 762 | case O(GROW,4): |
c82f047c NB |
763 | case O(BUILD,4): |
764 | case O(CREATE,4): /* bitmap chunksize */ | |
765 | bitmap_chunk = strtol(optarg, &c, 10); | |
766 | if (!optarg[0] || *c || bitmap_chunk < 0 || | |
767 | bitmap_chunk & (bitmap_chunk - 1)) { | |
768 | fprintf(stderr, Name ": invalid bitmap chunksize: %s\n", | |
769 | optarg); | |
770 | exit(2); | |
771 | } | |
772 | /* convert K to B, chunk of 0K means 512B */ | |
773 | bitmap_chunk = bitmap_chunk ? bitmap_chunk * 1024 : 512; | |
774 | continue; | |
dfd4d8ee NB |
775 | |
776 | case O(BUILD, 5): | |
777 | case O(CREATE, 5): /* write-behind mode */ | |
778 | write_behind = DEFAULT_MAX_WRITE_BEHIND; | |
779 | if (optarg) { | |
780 | write_behind = strtol(optarg, &c, 10); | |
781 | if (write_behind < 0 || *c || | |
782 | write_behind > 16383) { | |
783 | fprintf(stderr, Name ": Invalid value for maximum outstanding write-behind writes: %s.\n\tMust be between 0 and 16383.\n", optarg); | |
784 | exit(2); | |
785 | } | |
786 | } | |
787 | continue; | |
52826846 NB |
788 | } |
789 | /* We have now processed all the valid options. Anything else is | |
790 | * an error | |
791 | */ | |
e0d19036 NB |
792 | fprintf(stderr, Name ": option %c not valid in %s mode\n", |
793 | opt, map_num(modes, mode)); | |
64c4757e | 794 | exit(2); |
52826846 NB |
795 | |
796 | } | |
797 | ||
0320ea45 NB |
798 | if (!mode && devs_found) { |
799 | mode = MISC; | |
800 | devmode = 'Q'; | |
801 | if (devlist->disposition == 0) | |
802 | devlist->disposition = devmode; | |
803 | } | |
52826846 NB |
804 | if (!mode) { |
805 | fputs(Usage, stderr); | |
64c4757e | 806 | exit(2); |
64c4757e | 807 | } |
52826846 NB |
808 | /* Ok, got the option parsing out of the way |
809 | * hopefully it's mostly right but there might be some stuff | |
810 | * missing | |
811 | * | |
e0d19036 | 812 | * That is mosty checked in the per-mode stuff but... |
52826846 NB |
813 | * |
814 | * For @,B,C and A without -s, the first device listed must be an md device | |
815 | * we check that here and open it. | |
64c4757e | 816 | */ |
52826846 | 817 | |
dd0781e5 NB |
818 | if (mode==MANAGE || mode == BUILD || mode == CREATE || mode == GROW || |
819 | (mode == ASSEMBLE && ! scan)) { | |
52826846 NB |
820 | if (devs_found < 1) { |
821 | fprintf(stderr, Name ": an md device must be given in this mode\n"); | |
822 | exit(2); | |
823 | } | |
dd0781e5 NB |
824 | if ((int)ident.super_minor == -2 && autof) { |
825 | fprintf(stderr, Name ": --super-minor=dev is incompatible with --auto\n"); | |
826 | exit(2); | |
827 | } | |
828 | mdfd = open_mddev(devlist->devname, autof); | |
52826846 NB |
829 | if (mdfd < 0) |
830 | exit(1); | |
98c6faba | 831 | if ((int)ident.super_minor == -2) { |
d013a55e NB |
832 | struct stat stb; |
833 | fstat(mdfd, &stb); | |
0df46c2a | 834 | ident.super_minor = minor(stb.st_rdev); |
d013a55e | 835 | } |
64c4757e | 836 | } |
52826846 | 837 | |
e4c4352e NB |
838 | if (raiddisks) { |
839 | if (raiddisks > max_disks) { | |
6fbba4c9 NB |
840 | fprintf(stderr, Name ": invalid number of raid devices: %d\n", |
841 | raiddisks); | |
e4c4352e NB |
842 | exit(2); |
843 | } | |
844 | if (raiddisks == 1 && !force && level != -5) { | |
845 | fprintf(stderr, Name ": '1' is an unusual number of drives for an array, so it is probably\n" | |
846 | " a mistake. If you really mean it you will need to specify --force before\n" | |
847 | " setting the number of drives.\n"); | |
848 | exit(2); | |
849 | } | |
850 | } | |
851 | if (sparedisks) { | |
852 | if ( sparedisks > max_disks - raiddisks) { | |
6fbba4c9 NB |
853 | fprintf(stderr, Name ": invalid number of spare-devices: %d\n", |
854 | sparedisks); | |
e4c4352e NB |
855 | exit(2); |
856 | } | |
857 | } | |
c82f047c | 858 | |
52826846 NB |
859 | rv = 0; |
860 | switch(mode) { | |
e0d19036 | 861 | case MANAGE: |
52826846 NB |
862 | /* readonly, add/remove, readwrite, runstop */ |
863 | if (readonly>0) | |
cd29a5c8 | 864 | rv = Manage_ro(devlist->devname, mdfd, readonly); |
52826846 | 865 | if (!rv && devs_found>1) |
cd29a5c8 | 866 | rv = Manage_subdevs(devlist->devname, mdfd, |
dab6685f | 867 | devlist->next, verbose-quiet); |
52826846 | 868 | if (!rv && readonly < 0) |
cd29a5c8 | 869 | rv = Manage_ro(devlist->devname, mdfd, readonly); |
52826846 | 870 | if (!rv && runstop) |
91f068bf | 871 | rv = Manage_runstop(devlist->devname, mdfd, runstop, 0); |
52826846 | 872 | break; |
e0d19036 | 873 | case ASSEMBLE: |
d013a55e | 874 | if (devs_found == 1 && ident.uuid_set == 0 && |
947fd4dd | 875 | ident.super_minor == UnSet && ident.name[0] == 0 && !scan ) { |
d013a55e NB |
876 | /* Only a device has been given, so get details from config file */ |
877 | mddev_ident_t array_ident = conf_get_ident(configfile, devlist->devname); | |
b5e64645 NB |
878 | if (array_ident == NULL) { |
879 | fprintf(stderr, Name ": %s not identified in config file.\n", | |
880 | devlist->devname); | |
d013a55e | 881 | rv |= 1; |
b5e64645 | 882 | } else { |
1337546d NB |
883 | mdfd = open_mddev(devlist->devname, |
884 | array_ident->autof ? array_ident->autof : autof); | |
b5e64645 | 885 | if (mdfd < 0) |
d013a55e | 886 | rv |= 1; |
b5e64645 | 887 | else { |
f9ce90ba | 888 | rv |= Assemble(ss, devlist->devname, mdfd, array_ident, configfile, |
d013a55e | 889 | NULL, |
dab6685f | 890 | readonly, runstop, update, verbose-quiet, force); |
b5e64645 NB |
891 | close(mdfd); |
892 | } | |
d013a55e NB |
893 | } |
894 | } else if (!scan) | |
f9ce90ba | 895 | rv = Assemble(ss, devlist->devname, mdfd, &ident, configfile, |
cd29a5c8 | 896 | devlist->next, |
dab6685f | 897 | readonly, runstop, update, verbose-quiet, force); |
5787fa49 NB |
898 | else if (devs_found>0) { |
899 | if (update && devs_found > 1) { | |
900 | fprintf(stderr, Name ": can only update a single array at a time\n"); | |
901 | exit(1); | |
902 | } | |
cd29a5c8 NB |
903 | for (dv = devlist ; dv ; dv=dv->next) { |
904 | mddev_ident_t array_ident = conf_get_ident(configfile, dv->devname); | |
52826846 NB |
905 | if (array_ident == NULL) { |
906 | fprintf(stderr, Name ": %s not identified in config file.\n", | |
cd29a5c8 | 907 | dv->devname); |
52826846 NB |
908 | rv |= 1; |
909 | continue; | |
910 | } | |
1337546d NB |
911 | mdfd = open_mddev(dv->devname, |
912 | array_ident->autof ?array_ident->autof : autof); | |
b5e64645 NB |
913 | if (mdfd < 0) { |
914 | rv |= 1; | |
915 | continue; | |
916 | } | |
f9ce90ba | 917 | rv |= Assemble(ss, dv->devname, mdfd, array_ident, configfile, |
cd29a5c8 | 918 | NULL, |
dab6685f | 919 | readonly, runstop, update, verbose-quiet, force); |
b5e64645 | 920 | close(mdfd); |
52826846 | 921 | } |
5787fa49 | 922 | } else { |
52826846 NB |
923 | mddev_ident_t array_list = conf_get_ident(configfile, NULL); |
924 | if (!array_list) { | |
925 | fprintf(stderr, Name ": No arrays found in config file\n"); | |
926 | rv = 1; | |
927 | } else | |
928 | for (; array_list; array_list = array_list->next) { | |
cd29a5c8 | 929 | mdu_array_info_t array; |
1337546d NB |
930 | mdfd = open_mddev(array_list->devname, |
931 | array_list->autof ? array_list->autof : autof); | |
52826846 NB |
932 | if (mdfd < 0) { |
933 | rv |= 1; | |
934 | continue; | |
935 | } | |
cd29a5c8 NB |
936 | if (ioctl(mdfd, GET_ARRAY_INFO, &array)>=0) |
937 | /* already assembled, skip */ | |
43fc1676 NB |
938 | ; |
939 | else | |
f9ce90ba | 940 | rv |= Assemble(ss, array_list->devname, mdfd, |
43fc1676 NB |
941 | array_list, configfile, |
942 | NULL, | |
dab6685f | 943 | readonly, runstop, NULL, verbose-quiet, force); |
43fc1676 | 944 | close(mdfd); |
52826846 NB |
945 | } |
946 | } | |
947 | break; | |
e0d19036 | 948 | case BUILD: |
c82f047c NB |
949 | if (bitmap_chunk == UnSet) bitmap_chunk = DEFAULT_BITMAP_CHUNK; |
950 | if (delay == 0) delay = DEFAULT_BITMAP_DELAY; | |
dfd4d8ee NB |
951 | if (write_behind && !bitmap_file) { |
952 | fprintf(stderr, Name ": write-behind mode requires a bitmap.\n"); | |
953 | rv = 1; | |
954 | break; | |
955 | } | |
956 | ||
c82f047c | 957 | if (bitmap_file) { |
55935d51 NB |
958 | if (strcmp(bitmap_file, "internal")==0) { |
959 | fprintf(stderr, Name ": 'internal' bitmaps not supported with --build\n"); | |
960 | rv |= 1; | |
961 | break; | |
962 | } | |
c82f047c NB |
963 | bitmap_fd = open(bitmap_file, O_RDWR,0); |
964 | if (bitmap_fd < 0 && errno != ENOENT) { | |
965 | perror(Name ": cannot create bitmap file"); | |
966 | rv |= 1; | |
967 | break; | |
968 | } | |
969 | if (bitmap_fd < 0) { | |
970 | bitmap_fd = CreateBitmap(bitmap_file, force, NULL, | |
dfd4d8ee | 971 | bitmap_chunk, delay, write_behind, size); |
c82f047c NB |
972 | } |
973 | } | |
974 | rv = Build(devlist->devname, mdfd, chunk, level, layout, | |
975 | raiddisks, devlist->next, assume_clean, | |
dab6685f | 976 | bitmap_file, bitmap_chunk, write_behind, delay, verbose-quiet); |
52826846 | 977 | break; |
e0d19036 | 978 | case CREATE: |
c82f047c | 979 | if (delay == 0) delay = DEFAULT_BITMAP_DELAY; |
dfd4d8ee NB |
980 | if (write_behind && !bitmap_file) { |
981 | fprintf(stderr, Name ": write-behind mode requires a bitmap.\n"); | |
982 | rv = 1; | |
983 | break; | |
984 | } | |
f9ce90ba | 985 | if (ss == NULL) { |
82d9eba6 NB |
986 | for(i=0; !ss && superlist[i]; i++) |
987 | ss = superlist[i]->match_metadata_desc("default"); | |
f9ce90ba NB |
988 | } |
989 | if (!ss) { | |
990 | fprintf(stderr, Name ": internal error - no default metadata style\n"); | |
991 | exit(2); | |
992 | } | |
993 | ||
994 | rv = Create(ss, devlist->devname, mdfd, chunk, level, layout, size<0 ? 0 : size, | |
947fd4dd | 995 | raiddisks, sparedisks, ident.name, |
dab6685f | 996 | devs_found-1, devlist->next, runstop, verbose-quiet, force, |
dfd4d8ee | 997 | bitmap_file, bitmap_chunk, write_behind, delay); |
52826846 | 998 | break; |
e0d19036 NB |
999 | case MISC: |
1000 | ||
1001 | if (devmode == 'E') { | |
1002 | if (devlist == NULL && !scan) { | |
1003 | fprintf(stderr, Name ": No devices to examine\n"); | |
1004 | exit(2); | |
1005 | } | |
1006 | if (devlist == NULL) | |
1007 | devlist = conf_get_devs(configfile); | |
1008 | if (devlist == NULL) { | |
c913b90e | 1009 | fprintf(stderr, Name ": No devices listed in %s\n", configfile?configfile:DefaultConfFile); |
e0d19036 NB |
1010 | exit(1); |
1011 | } | |
22892d56 | 1012 | rv = Examine(devlist, scan?(verbose>1?0:verbose+1):brief, scan, SparcAdjust, ss); |
e0d19036 NB |
1013 | } else { |
1014 | if (devlist == NULL) { | |
91f068bf NB |
1015 | if (devmode=='D' && scan) { |
1016 | /* apply --detail to all devices in /proc/mdstat */ | |
dd0781e5 | 1017 | struct mdstat_ent *ms = mdstat_read(0); |
e0d19036 NB |
1018 | struct mdstat_ent *e; |
1019 | for (e=ms ; e ; e=e->next) { | |
1020 | char *name = get_md_name(e->devnum); | |
1021 | ||
1022 | if (!name) { | |
1023 | fprintf(stderr, Name ": cannot find device file for %s\n", | |
1024 | e->dev); | |
1025 | continue; | |
1026 | } | |
22892d56 | 1027 | rv |= Detail(name, verbose>1?0:verbose+1, test); |
91f068bf NB |
1028 | put_md_name(name); |
1029 | } | |
1030 | } else if (devmode == 'S' && scan) { | |
1031 | /* apply --stop to all devices in /proc/mdstat */ | |
1032 | /* Due to possible stacking of devices, repeat until | |
1033 | * nothing more can be stopped | |
1034 | */ | |
1035 | int progress=1, err; | |
1036 | int last = 0; | |
1037 | do { | |
1038 | struct mdstat_ent *ms = mdstat_read(0); | |
1039 | struct mdstat_ent *e; | |
1040 | ||
1041 | if (!progress) last = 1; | |
1042 | progress = 0; err = 0; | |
1043 | for (e=ms ; e ; e=e->next) { | |
1044 | char *name = get_md_name(e->devnum); | |
1045 | ||
1046 | if (!name) { | |
1047 | fprintf(stderr, Name ": cannot find device file for %s\n", | |
1048 | e->dev); | |
1049 | continue; | |
1050 | } | |
dd0781e5 | 1051 | mdfd = open_mddev(name, 0); |
43fc1676 | 1052 | if (mdfd >= 0) { |
91f068bf NB |
1053 | if (Manage_runstop(name, mdfd, -1, !last)) |
1054 | err = 1; | |
1055 | else | |
1056 | progress = 1; | |
43fc1676 NB |
1057 | close(mdfd); |
1058 | } | |
91f068bf NB |
1059 | |
1060 | put_md_name(name); | |
e0d19036 | 1061 | } |
91f068bf NB |
1062 | } while (!last && err); |
1063 | } else { | |
e0d19036 NB |
1064 | fprintf(stderr, Name ": No devices given.\n"); |
1065 | exit(2); | |
1066 | } | |
1067 | } | |
1068 | for (dv=devlist ; dv; dv=dv->next) { | |
1069 | switch(dv->disposition) { | |
1070 | case 'D': | |
22892d56 | 1071 | rv |= Detail(dv->devname, brief?1+verbose:0, test); continue; |
e0d19036 NB |
1072 | case 'K': /* Zero superblock */ |
1073 | rv |= Kill(dv->devname, force); continue; | |
1074 | case 'Q': | |
1075 | rv |= Query(dv->devname); continue; | |
c82f047c | 1076 | case 'X': |
55935d51 | 1077 | rv |= ExamineBitmap(dv->devname, brief, ss); continue; |
e0d19036 | 1078 | } |
dd0781e5 | 1079 | mdfd = open_mddev(dv->devname, 0); |
43fc1676 | 1080 | if (mdfd>=0) { |
e0d19036 NB |
1081 | switch(dv->disposition) { |
1082 | case 'R': | |
91f068bf | 1083 | rv |= Manage_runstop(dv->devname, mdfd, 1, 0); break; |
e0d19036 | 1084 | case 'S': |
91f068bf | 1085 | rv |= Manage_runstop(dv->devname, mdfd, -1, 0); break; |
e0d19036 NB |
1086 | case 'o': |
1087 | rv |= Manage_ro(dv->devname, mdfd, 1); break; | |
1088 | case 'w': | |
1089 | rv |= Manage_ro(dv->devname, mdfd, -1); break; | |
1090 | } | |
43fc1676 NB |
1091 | close(mdfd); |
1092 | } | |
e0d19036 | 1093 | } |
cd29a5c8 | 1094 | } |
9a9dab36 | 1095 | break; |
e0d19036 | 1096 | case MONITOR: |
e0d19036 NB |
1097 | if (!devlist && !scan) { |
1098 | fprintf(stderr, Name ": Cannot monitor: need --scan or at least one device\n"); | |
1099 | rv = 1; | |
1100 | break; | |
1101 | } | |
b5e64645 NB |
1102 | if (pidfile && !daemonise) { |
1103 | fprintf(stderr, Name ": Cannot write a pid file when not in daemon mode\n"); | |
1104 | rv = 1; | |
1105 | break; | |
1106 | } | |
d013a55e | 1107 | rv= Monitor(devlist, mailaddr, program, |
b5e64645 | 1108 | delay?delay:60, daemonise, scan, oneshot, configfile, test, pidfile); |
9a9dab36 | 1109 | break; |
dd0781e5 NB |
1110 | |
1111 | case GROW: | |
1112 | if (devs_found > 1) { | |
e5329c37 NB |
1113 | |
1114 | /* must be '-a'. */ | |
1115 | if (size >= 0 || raiddisks) { | |
1116 | fprintf(stderr, Name ": --size, --raiddisks, and --add are exclusing in --grow mode\n"); | |
1117 | rv = 1; | |
1118 | break; | |
1119 | } | |
1120 | for (dv=devlist->next; dv ; dv=dv->next) { | |
1121 | rv = Grow_Add_device(devlist->devname, mdfd, dv->devname); | |
1122 | if (rv) | |
1123 | break; | |
1124 | } | |
f5e166fe NB |
1125 | } else if ((size >= 0) + (raiddisks != 0) + (layout != UnSet) + (bitmap_file != NULL)> 1) { |
1126 | fprintf(stderr, Name ": can change at most one of size, raiddisks, bitmap, and layout\n"); | |
dd0781e5 NB |
1127 | rv = 1; |
1128 | break; | |
b5e64645 NB |
1129 | } else if (layout != UnSet) |
1130 | rv = Manage_reconfig(devlist->devname, mdfd, layout); | |
1131 | else if (size >= 0 || raiddisks) | |
e5329c37 | 1132 | rv = Manage_resize(devlist->devname, mdfd, size, raiddisks); |
f5e166fe NB |
1133 | else if (bitmap_file) { |
1134 | if (delay == 0) delay = DEFAULT_BITMAP_DELAY; | |
1135 | rv = Grow_addbitmap(devlist->devname, mdfd, bitmap_file, | |
dfd4d8ee | 1136 | bitmap_chunk, delay, write_behind); |
f5e166fe | 1137 | } else |
b5e64645 | 1138 | fprintf(stderr, Name ": no changes to --grow\n"); |
dd0781e5 | 1139 | break; |
64c4757e | 1140 | } |
52826846 | 1141 | exit(rv); |
64c4757e | 1142 | } |