mdadm-1.1.0
[thirdparty/mdadm.git] / mdadm.c
CommitLineData
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
28 */
29
9a9dab36 30#include "mdadm.h"
64c4757e
NB
31#include "md_p.h"
32
52826846 33int open_mddev(char *dev)
64c4757e 34{
52826846
NB
35 int mdfd = open(dev, O_RDWR, 0);
36 if (mdfd < 0)
e0d19036 37 fprintf(stderr, Name ": error opening %s: %s\n",
52826846
NB
38 dev, strerror(errno));
39 else if (md_get_version(mdfd) <= 0) {
40 fprintf(stderr, Name ": %s does not appear to be an md device\n",
41 dev);
42 close(mdfd);
43 mdfd = -1;
64c4757e 44 }
52826846
NB
45 return mdfd;
46}
64c4757e 47
64c4757e 48
52826846
NB
49
50int main(int argc, char *argv[])
51{
e0d19036 52 int mode = 0;
52826846 53 int opt;
e0d19036 54 int option_index;
52826846
NB
55 char *help_text;
56 char *c;
57 int rv;
52826846
NB
58
59 int chunk = 0;
60 int size = 0;
61 int level = -10;
62 int layout = -1;
63 int raiddisks = 0;
64 int sparedisks = 0;
65 struct mddev_ident_s ident;
66 char *configfile = NULL;
cd29a5c8 67 char *cp;
5787fa49 68 char *update = NULL;
52826846
NB
69 int scan = 0;
70 char devmode = 0;
71 int runstop = 0;
72 int readonly = 0;
bd526cee 73 int SparcAdjust = 0;
cd29a5c8
NB
74 mddev_dev_t devlist = NULL;
75 mddev_dev_t *devlistend = & devlist;
76 mddev_dev_t dv;
52826846
NB
77 int devs_found = 0;
78 int verbose = 0;
cd29a5c8 79 int brief = 0;
52826846
NB
80 int force = 0;
81
82 char *mailaddr = NULL;
83 char *program = NULL;
84 int delay = 0;
d013a55e 85 int daemonise = 0;
52826846
NB
86
87 int mdfd = -1;
88
89 ident.uuid_set=0;
cd29a5c8
NB
90 ident.level = -10;
91 ident.raid_disks = -1;
52826846
NB
92 ident.super_minor= -1;
93 ident.devices=0;
94
e0d19036
NB
95 while ((option_index = -1) ,
96 (opt=getopt_long(argc, argv,
52826846 97 short_options, long_options,
e0d19036
NB
98 &option_index)) != -1) {
99 int newmode = mode;
100 /* firstly, so mode-independant options */
52826846 101 switch(opt) {
52826846
NB
102 case 'h':
103 help_text = Help;
104 switch (mode) {
e0d19036
NB
105 case ASSEMBLE : help_text = Help_assemble; break;
106 case BUILD : help_text = Help_build; break;
107 case CREATE : help_text = Help_create; break;
108 case MANAGE : help_text = Help_manage; break;
109 case MISC : help_text = Help_misc; break;
110 case MONITOR : help_text = Help_monitor; break;
52826846
NB
111 }
112 fputs(help_text,stderr);
113 exit(0);
114
115 case 'V':
116 fputs(Version, stderr);
117 exit(0);
118
119 case 'v': verbose = 1;
120 continue;
121
cd29a5c8
NB
122 case 'b': brief = 1;
123 continue;
124
e0d19036
NB
125 case ':':
126 case '?':
127 fputs(Usage, stderr);
128 exit(2);
129 }
130 /* second, figure out the mode.
131 * Some options force the mode. Others
132 * set the mode if it isn't already
133 */
134
135 switch(opt) {
136 case '@': /* just incase they say --manage */
137 newmode = MANAGE; break;
138 case 'a':
139 case 'r':
140 case 'f':
141 case 1 : if (!mode) newmode = MANAGE; break;
142
143 case 'A': newmode = ASSEMBLE; break;
144 case 'B': newmode = BUILD; break;
145 case 'C': newmode = CREATE; break;
146 case 'F': newmode = MONITOR;break;
147
148 case '#':
149 case 'D':
150 case 'E':
151 case 'Q': newmode = MISC; break;
152 case 'R':
153 case 'S':
154 case 'o':
155 case 'w':
156 case 'K': if (!mode) newmode = MISC; break;
157 }
158 if (mode && newmode == mode) {
159 /* everybody happy ! */
160 } else if (mode && newmode != mode) {
161 /* not allowed.. */
162 fprintf(stderr, Name ": ");
163 if (option_index >= 0)
164 fprintf(stderr, "--%s", long_options[option_index].name);
165 else
166 fprintf(stderr, "-%c", opt);
167 fprintf(stderr, " would set mode to %s, but it is already %s.\n",
168 map_num(modes, newmode),
169 map_num(modes, mode));
170 exit(2);
171 } else if (!mode && newmode) {
172 mode = newmode;
173 } else {
174 /* special case of -c --help */
175 if (opt == 'c' &&
176 ( strncmp(optarg, "--h", 3)==0 ||
177 strncmp(optarg, "-h", 2)==0)) {
178 fputs(Help_config, stderr);
179 exit(0);
cd29a5c8 180 }
e0d19036
NB
181 if (option_index >= 0)
182 fprintf(stderr, "--%s", long_options[option_index].name);
183 else
184 fprintf(stderr, "-%c", opt);
185 fprintf(stderr, " does not set the mode, and so cannot be first.\n");
186 exit(2);
187 }
188
189 /* if we just set the mode, then done */
190 switch(opt) {
191 case '@':
192 case '#':
193 case 'A':
194 case 'B':
195 case 'C':
196 case 'F':
197 continue;
198 }
199 if (opt == 1) {
200 /* an undecorated option - must be a device name.
201 */
cd29a5c8
NB
202 if (devs_found > 0 && mode == '@' && !devmode) {
203 fprintf(stderr, Name ": Must give on of -a/-r/-f for subsequent devices at %s\n", optarg);
52826846
NB
204 exit(2);
205 }
cd29a5c8
NB
206 dv = malloc(sizeof(*dv));
207 if (dv == NULL) {
208 fprintf(stderr, Name ": malloc failed\n");
209 exit(3);
210 }
211 dv->devname = optarg;
212 dv->disposition = devmode;
213 dv->next = NULL;
214 *devlistend = dv;
215 devlistend = &dv->next;
216
52826846
NB
217 devs_found++;
218 continue;
682c7051 219 }
682c7051 220
52826846
NB
221 /* We've got a mode, and opt is now something else which
222 * could depend on the mode */
223#define O(a,b) ((a<<8)|b)
224 switch (O(mode,opt)) {
e0d19036
NB
225 case O(CREATE,'c'):
226 case O(BUILD,'c'): /* chunk or rounding */
52826846
NB
227 if (chunk) {
228 fprintf(stderr, Name ": chunk/rounding may only be specified once. "
229 "Second value is %s.\n", optarg);
230 exit(2);
231 }
232 chunk = strtol(optarg, &c, 10);
233 if (!optarg[0] || *c || chunk<4 || ((chunk-1)&chunk)) {
234 fprintf(stderr, Name ": invalid chunk/rounding value: %s\n",
235 optarg);
236 exit(2);
237 }
238 continue;
64c4757e 239
e0d19036 240 case O(CREATE,'z'): /* size */
52826846
NB
241 if (size) {
242 fprintf(stderr, Name ": size may only be specified once. "
243 "Second value is %s.\n", optarg);
244 exit(2);
245 }
246 size = strtol(optarg, &c, 10);
247 if (!optarg[0] || *c || size < 4) {
248 fprintf(stderr, Name ": invalid size: %s\n",
249 optarg);
250 exit(2);
251 }
252 continue;
64c4757e 253
e0d19036
NB
254 case O(CREATE,'l'):
255 case O(BUILD,'l'): /* set raid level*/
52826846
NB
256 if (level != -10) {
257 fprintf(stderr, Name ": raid level may only be set once. "
258 "Second value is %s.\n", optarg);
259 exit(2);
260 }
261 level = map_name(pers, optarg);
262 if (level == -10) {
263 fprintf(stderr, Name ": invalid raid level: %s\n",
264 optarg);
265 exit(2);
266 }
e0d19036 267 if (level != 0 && level != -1 && mode == BUILD) {
52826846
NB
268 fprintf(stderr, Name ": Raid level %s not permitted with --build.\n",
269 optarg);
270 exit(2);
271 }
e0d19036 272 if (sparedisks > 0 && level < 1 && level >= -1) {
b83d95f3 273 fprintf(stderr, Name ": raid level %s is incompatible with spare-devices setting.\n",
52826846
NB
274 optarg);
275 exit(2);
276 }
cd29a5c8 277 ident.level = level;
52826846 278 continue;
64c4757e 279
e0d19036 280 case O(CREATE,'p'): /* raid5 layout */
52826846
NB
281 if (layout >= 0) {
282 fprintf(stderr,Name ": layout may only be sent once. "
283 "Second value was %s\n", optarg);
284 exit(2);
285 }
286 switch(level) {
287 default:
56eb10c0 288 fprintf(stderr, Name ": layout not meaningful for %s arrays.\n",
52826846
NB
289 map_num(pers, level));
290 exit(2);
291 case -10:
292 fprintf(stderr, Name ": raid level must be given before layout.\n");
293 exit(2);
294
295 case 5:
296 layout = map_name(r5layout, optarg);
297 if (layout==-10) {
298 fprintf(stderr, Name ": layout %s not understood for raid5.\n",
299 optarg);
300 exit(2);
301 }
302 break;
303 }
304 continue;
305
e0d19036
NB
306 case O(CREATE,'n'):
307 case O(BUILD,'n'): /* number of raid disks */
52826846 308 if (raiddisks) {
b83d95f3 309 fprintf(stderr, Name ": raid-devices set twice: %d and %s\n",
52826846
NB
310 raiddisks, optarg);
311 exit(2);
312 }
313 raiddisks = strtol(optarg, &c, 10);
314 if (!optarg[0] || *c || raiddisks<=0 || raiddisks > MD_SB_DISKS) {
b83d95f3 315 fprintf(stderr, Name ": invalid number of raid devices: %s\n",
52826846
NB
316 optarg);
317 exit(2);
318 }
cd29a5c8 319 ident.raid_disks = raiddisks;
52826846
NB
320 continue;
321
e0d19036 322 case O(CREATE,'x'): /* number of spare (eXtra) discs */
52826846 323 if (sparedisks) {
b83d95f3 324 fprintf(stderr,Name ": spare-devices set twice: %d and %s\n",
52826846
NB
325 sparedisks, optarg);
326 exit(2);
327 }
e0d19036 328 if (level > -10 && level <= 0 && level >= -1) {
b83d95f3 329 fprintf(stderr, Name ": spare-devices setting is incompatible with raid level %d\n",
52826846
NB
330 level);
331 exit(2);
332 }
333 sparedisks = strtol(optarg, &c, 10);
334 if (!optarg[0] || *c || sparedisks < 0 || sparedisks > MD_SB_DISKS - raiddisks) {
b83d95f3 335 fprintf(stderr, Name ": invalid number of spare-devices: %s\n",
52826846
NB
336 optarg);
337 exit(2);
338 }
339 continue;
e0d19036
NB
340 case O(CREATE,'f'): /* force honouring of device list */
341 case O(ASSEMBLE,'f'): /* force assembly */
342 case O(MISC,'f'): /* force zero */
52826846
NB
343 force=1;
344 continue;
345
346 /* now for the Assemble options */
e0d19036 347 case O(ASSEMBLE,'u'): /* uuid of array */
52826846 348 if (ident.uuid_set) {
cd29a5c8 349 fprintf(stderr, Name ": uuid cannot be set twice. "
52826846
NB
350 "Second value %s.\n", optarg);
351 exit(2);
352 }
353 if (parse_uuid(optarg, ident.uuid))
354 ident.uuid_set = 1;
355 else {
356 fprintf(stderr,Name ": Bad uuid: %s\n", optarg);
357 exit(2);
358 }
359 continue;
360
e0d19036 361 case O(ASSEMBLE,'m'): /* super-minor for array */
d013a55e 362 if (ident.super_minor != -1) {
cd29a5c8
NB
363 fprintf(stderr, Name ": super-minor cannot be set twice. "
364 "Second value: %s.\n", optarg);
365 exit(2);
366 }
d013a55e
NB
367 if (strcmp(optarg, "dev")==0)
368 ident.super_minor = -2;
369 else {
370 ident.super_minor = strtoul(optarg, &cp, 10);
371 if (!optarg[0] || *cp) {
372 fprintf(stderr, Name ": Bad super-minor number: %s.\n", optarg);
373 exit(2);
374 }
cd29a5c8
NB
375 }
376 continue;
377
5787fa49
NB
378 case O(ASSEMBLE,'U'): /* update the superblock */
379 if (update) {
380 fprintf(stderr, Name ": Can only update one aspect of superblock, both %s and %s given.\n",
381 update, optarg);
382 exit(2);
383 }
384 update = optarg;
385 if (strcmp(update, "sparc2.2")==0) continue;
386 if (strcmp(update, "super-minor") == 0)
387 continue;
388 fprintf(stderr, Name ": '--update %s' invalid. Only 'sparc2.2' or 'super-minor' supported\n",update);
389 exit(2);
390
e0d19036 391 case O(ASSEMBLE,'c'): /* config file */
2d465520 392 case O(MISC, 'c'):
e0d19036 393 case O(MONITOR,'c'):
52826846
NB
394 if (configfile) {
395 fprintf(stderr, Name ": configfile cannot be set twice. "
396 "Second value is %s.\n", optarg);
397 exit(2);
398 }
399 configfile = optarg;
400 /* FIXME possibly check that config file exists. Even parse it */
401 continue;
e0d19036
NB
402 case O(ASSEMBLE,'s'): /* scan */
403 case O(MISC,'s'):
404 case O(MONITOR,'s'):
52826846
NB
405 scan = 1;
406 continue;
407
e0d19036 408 case O(MONITOR,'m'): /* mail address */
52826846
NB
409 if (mailaddr)
410 fprintf(stderr, Name ": only specify one mailaddress. %s ignored.\n",
411 optarg);
412 else
413 mailaddr = optarg;
414 continue;
415
e0d19036 416 case O(MONITOR,'p'): /* alert program */
52826846
NB
417 if (program)
418 fprintf(stderr, Name ": only specify one alter program. %s ignored.\n",
419 optarg);
420 else
421 program = optarg;
422 continue;
64c4757e 423
e0d19036 424 case O(MONITOR,'d'): /* delay in seconds */
52826846
NB
425 if (delay)
426 fprintf(stderr, Name ": only specify delay once. %s ignored.\n",
427 optarg);
428 else {
429 delay = strtol(optarg, &c, 10);
430 if (!optarg[0] || *c || delay<1) {
431 fprintf(stderr, Name ": invalid delay: %s\n",
432 optarg);
433 exit(2);
434 }
435 }
436 continue;
d013a55e
NB
437 case O(MONITOR,'f'): /* daemonise */
438 daemonise = 1;
439 continue;
52826846
NB
440
441
442 /* now the general management options. Some are applicable
443 * to other modes. None have arguments.
444 */
e0d19036
NB
445 case O(MANAGE,'a'):
446 case O(CREATE,'a'):
447 case O(BUILD,'a'):
448 case O(ASSEMBLE,'a'): /* add a drive */
52826846
NB
449 devmode = 'a';
450 continue;
e0d19036 451 case O(MANAGE,'r'): /* remove a drive */
52826846
NB
452 devmode = 'r';
453 continue;
e0d19036 454 case O(MANAGE,'f'): /* set faulty */
52826846
NB
455 devmode = 'f';
456 continue;
e0d19036
NB
457 case O(MANAGE,'R'):
458 case O(ASSEMBLE,'R'):
459 case O(BUILD,'R'):
460 case O(CREATE,'R'): /* Run the array */
52826846
NB
461 if (runstop < 0) {
462 fprintf(stderr, Name ": Cannot both Stop and Run an array\n");
463 exit(2);
464 }
465 runstop = 1;
466 continue;
e0d19036 467 case O(MANAGE,'S'):
52826846
NB
468 if (runstop > 0) {
469 fprintf(stderr, Name ": Cannot both Run and Stop an array\n");
470 exit(2);
471 }
472 runstop = -1;
473 continue;
474
e0d19036 475 case O(MANAGE,'o'):
52826846
NB
476 if (readonly < 0) {
477 fprintf(stderr, Name ": Cannot have both readonly and readwrite\n");
478 exit(2);
479 }
480 readonly = 1;
481 continue;
e0d19036 482 case O(MANAGE,'w'):
52826846 483 if (readonly > 0) {
e0d19036 484 fprintf(stderr, Name ": Cannot have both readwrite and readonly.\n");
52826846
NB
485 exit(2);
486 }
487 readonly = -1;
488 continue;
e0d19036
NB
489
490 case O(MISC,'Q'):
491 case O(MISC,'D'):
492 case O(MISC,'E'):
493 case O(MISC,'K'):
494 case O(MISC,'R'):
495 case O(MISC,'S'):
496 case O(MISC,'o'):
497 case O(MISC,'w'):
498 if (devmode && devmode != opt &&
499 (devmode == 'E' || (opt == 'E' && devmode != 'Q'))) {
500 fprintf(stderr, Name ": --examine/-E cannot be given with -%c\n",
501 devmode =='E'?opt:devmode);
502 exit(2);
503 }
504 devmode = opt;
505 continue;
506
bd526cee
NB
507 case O(MISC, 22):
508 if (devmode != 'E') {
509 fprintf(stderr, Name ": --sparc2.2 only allowed with --examine\n");
510 exit(2);
511 }
512 SparcAdjust = 1;
513 continue;
52826846
NB
514 }
515 /* We have now processed all the valid options. Anything else is
516 * an error
517 */
e0d19036
NB
518 fprintf(stderr, Name ": option %c not valid in %s mode\n",
519 opt, map_num(modes, mode));
64c4757e 520 exit(2);
52826846
NB
521
522 }
523
524 if (!mode) {
525 fputs(Usage, stderr);
64c4757e 526 exit(2);
64c4757e 527 }
52826846
NB
528 /* Ok, got the option parsing out of the way
529 * hopefully it's mostly right but there might be some stuff
530 * missing
531 *
e0d19036 532 * That is mosty checked in the per-mode stuff but...
52826846
NB
533 *
534 * For @,B,C and A without -s, the first device listed must be an md device
535 * we check that here and open it.
64c4757e 536 */
52826846 537
e0d19036 538 if (mode==MANAGE || mode == BUILD || mode == CREATE || (mode == ASSEMBLE && ! scan)) {
52826846
NB
539 if (devs_found < 1) {
540 fprintf(stderr, Name ": an md device must be given in this mode\n");
541 exit(2);
542 }
cd29a5c8 543 mdfd = open_mddev(devlist->devname);
52826846
NB
544 if (mdfd < 0)
545 exit(1);
d013a55e
NB
546 if (ident.super_minor == -2) {
547 struct stat stb;
548 fstat(mdfd, &stb);
549 ident.super_minor = MINOR(stb.st_rdev);
550 }
64c4757e 551 }
52826846 552
52826846
NB
553 rv = 0;
554 switch(mode) {
e0d19036 555 case MANAGE:
52826846
NB
556 /* readonly, add/remove, readwrite, runstop */
557 if (readonly>0)
cd29a5c8 558 rv = Manage_ro(devlist->devname, mdfd, readonly);
52826846 559 if (!rv && devs_found>1)
cd29a5c8
NB
560 rv = Manage_subdevs(devlist->devname, mdfd,
561 devlist->next);
52826846 562 if (!rv && readonly < 0)
cd29a5c8 563 rv = Manage_ro(devlist->devname, mdfd, readonly);
52826846 564 if (!rv && runstop)
cd29a5c8 565 rv = Manage_runstop(devlist->devname, mdfd, runstop);
52826846 566 break;
e0d19036 567 case ASSEMBLE:
d013a55e
NB
568 if (devs_found == 1 && ident.uuid_set == 0 &&
569 ident.super_minor == -1 && !scan ) {
570 /* Only a device has been given, so get details from config file */
571 mddev_ident_t array_ident = conf_get_ident(configfile, devlist->devname);
572 mdfd = open_mddev(devlist->devname);
573 if (mdfd < 0)
574 rv |= 1;
575 else {
576 if (array_ident == NULL) {
577 fprintf(stderr, Name ": %s not identified in config file.\n",
578 devlist->devname);
579 rv |= 1;
580 }
581 else
582 rv |= Assemble(devlist->devname, mdfd, array_ident, configfile,
583 NULL,
584 readonly, runstop, update, verbose, force);
585 }
586 } else if (!scan)
cd29a5c8
NB
587 rv = Assemble(devlist->devname, mdfd, &ident, configfile,
588 devlist->next,
5787fa49
NB
589 readonly, runstop, update, verbose, force);
590 else if (devs_found>0) {
591 if (update && devs_found > 1) {
592 fprintf(stderr, Name ": can only update a single array at a time\n");
593 exit(1);
594 }
cd29a5c8
NB
595 for (dv = devlist ; dv ; dv=dv->next) {
596 mddev_ident_t array_ident = conf_get_ident(configfile, dv->devname);
597 mdfd = open_mddev(dv->devname);
52826846
NB
598 if (mdfd < 0) {
599 rv |= 1;
600 continue;
601 }
602 if (array_ident == NULL) {
603 fprintf(stderr, Name ": %s not identified in config file.\n",
cd29a5c8 604 dv->devname);
52826846
NB
605 rv |= 1;
606 continue;
607 }
cd29a5c8
NB
608 rv |= Assemble(dv->devname, mdfd, array_ident, configfile,
609 NULL,
5787fa49 610 readonly, runstop, update, verbose, force);
52826846 611 }
5787fa49 612 } else {
52826846
NB
613 mddev_ident_t array_list = conf_get_ident(configfile, NULL);
614 if (!array_list) {
615 fprintf(stderr, Name ": No arrays found in config file\n");
616 rv = 1;
617 } else
618 for (; array_list; array_list = array_list->next) {
cd29a5c8 619 mdu_array_info_t array;
52826846
NB
620 mdfd = open_mddev(array_list->devname);
621 if (mdfd < 0) {
622 rv |= 1;
623 continue;
624 }
cd29a5c8
NB
625 if (ioctl(mdfd, GET_ARRAY_INFO, &array)>=0)
626 /* already assembled, skip */
627 continue;
52826846
NB
628 rv |= Assemble(array_list->devname, mdfd,
629 array_list, configfile,
cd29a5c8 630 NULL,
5787fa49 631 readonly, runstop, NULL, verbose, force);
52826846
NB
632 }
633 }
634 break;
e0d19036 635 case BUILD:
cd29a5c8 636 rv = Build(devlist->devname, mdfd, chunk, level, raiddisks, devlist->next);
52826846 637 break;
e0d19036 638 case CREATE:
cd29a5c8 639 rv = Create(devlist->devname, mdfd, chunk, level, layout, size,
52826846 640 raiddisks, sparedisks,
cd29a5c8 641 devs_found-1, devlist->next, runstop, verbose, force);
52826846 642 break;
e0d19036
NB
643 case MISC:
644
645 if (devmode == 'E') {
646 if (devlist == NULL && !scan) {
647 fprintf(stderr, Name ": No devices to examine\n");
648 exit(2);
649 }
650 if (devlist == NULL)
651 devlist = conf_get_devs(configfile);
652 if (devlist == NULL) {
c913b90e 653 fprintf(stderr, Name ": No devices listed in %s\n", configfile?configfile:DefaultConfFile);
e0d19036
NB
654 exit(1);
655 }
bd526cee 656 rv = Examine(devlist, scan?!verbose:brief, scan, SparcAdjust);
e0d19036
NB
657 } else {
658 if (devlist == NULL) {
659 if ((devmode == 'S' ||devmode=='D') && scan) {
660 /* apply to all devices in /proc/mdstat */
661 struct mdstat_ent *ms = mdstat_read();
662 struct mdstat_ent *e;
663 for (e=ms ; e ; e=e->next) {
664 char *name = get_md_name(e->devnum);
665
666 if (!name) {
667 fprintf(stderr, Name ": cannot find device file for %s\n",
668 e->dev);
669 continue;
670 }
671 if (devmode == 'D')
672 rv |= Detail(name, !verbose);
673 else if (devmode=='S') {
674 mdfd = open_mddev(name);
675 if (mdfd >= 0)
676 rv |= Manage_runstop(name, mdfd, -1);
677 }
678 put_md_name(name);
679 }
680 } else {
681 fprintf(stderr, Name ": No devices given.\n");
682 exit(2);
683 }
684 }
685 for (dv=devlist ; dv; dv=dv->next) {
686 switch(dv->disposition) {
687 case 'D':
688 rv |= Detail(dv->devname, brief); continue;
689 case 'K': /* Zero superblock */
690 rv |= Kill(dv->devname, force); continue;
691 case 'Q':
692 rv |= Query(dv->devname); continue;
693 }
694 mdfd = open_mddev(dv->devname);
695 if (mdfd>=0)
696 switch(dv->disposition) {
697 case 'R':
698 rv |= Manage_runstop(dv->devname, mdfd, 1); break;
699 case 'S':
700 rv |= Manage_runstop(dv->devname, mdfd, -1); break;
701 case 'o':
702 rv |= Manage_ro(dv->devname, mdfd, 1); break;
703 case 'w':
704 rv |= Manage_ro(dv->devname, mdfd, -1); break;
705 }
706 }
cd29a5c8 707 }
9a9dab36 708 break;
e0d19036 709 case MONITOR:
e0d19036
NB
710 if (!devlist && !scan) {
711 fprintf(stderr, Name ": Cannot monitor: need --scan or at least one device\n");
712 rv = 1;
713 break;
714 }
d013a55e
NB
715 rv= Monitor(devlist, mailaddr, program,
716 delay?delay:60, daemonise, scan, configfile);
9a9dab36 717 break;
64c4757e 718 }
52826846 719 exit(rv);
64c4757e 720}