int chunk = 0;
long long size = -1;
+ long long array_size = -1;
int level = UnSet;
int layout = UnSet;
+ char *layout_str = NULL;
int raiddisks = 0;
int max_disks = MD_SB_DISKS; /* just a default */
int sparedisks = 0;
- struct mddev_ident_s ident;
+ struct mddev_ident ident;
char *configfile = NULL;
char *cp;
char *update = NULL;
char *backup_file = NULL;
int bitmap_chunk = UnSet;
int SparcAdjust = 0;
- mddev_dev_t devlist = NULL;
- mddev_dev_t *devlistend = & devlist;
- mddev_dev_t dv;
+ struct mddev_dev *devlist = NULL;
+ struct mddev_dev **devlistend = & devlist;
+ struct mddev_dev *dv;
int devs_found = 0;
int verbose = 0;
int quiet = 0;
int daemonise = 0;
char *pidfile = NULL;
int oneshot = 0;
+ int spare_sharing = 1;
struct supertype *ss = NULL;
int writemostly = 0;
int re_add = 0;
int dosyslog = 0;
int rebuild_map = 0;
int auto_update_home = 0;
+ char *subarray = NULL;
+ char *remove_path = NULL;
- int copies;
int print_help = 0;
FILE *outf;
continue;
case 'b':
- if (mode == ASSEMBLE || mode == BUILD || mode == CREATE || mode == GROW)
+ if (mode == ASSEMBLE || mode == BUILD || mode == CREATE || mode == GROW ||
+ mode == INCREMENTAL || mode == MANAGE)
break; /* b means bitmap */
brief = 1;
- if (optarg) {
- fprintf(stderr, Name ": -b cannot have any extra immediately after it, sorry.\n");
- exit(2);
- }
continue;
case 'Y': export++;
case 'W':
case Waitclean:
case DetailPlatform:
+ case KillSubarray:
+ case UpdateSubarray:
+ if (opt == KillSubarray || opt == UpdateSubarray) {
+ if (subarray) {
+ fprintf(stderr, Name ": subarray can only be specified once\n");
+ exit(2);
+ }
+ subarray = optarg;
+ }
case 'K': if (!mode) newmode = MISC; break;
+ case NoSharing: newmode = MONITOR; break;
}
if (mode && newmode == mode) {
/* everybody happy ! */
dv->writemostly = writemostly;
dv->re_add = re_add;
dv->used = 0;
- dv->content = NULL;
dv->next = NULL;
*devlistend = dv;
devlistend = &dv->next;
continue;
}
/* No mode yet, and this is the second device ... */
- fprintf(stderr, Name ": An option must be given to set the mode before a second device is listed\n");
+ fprintf(stderr, Name ": An option must be given to set the mode before a second device\n"
+ " (%s) is listed\n", optarg);
exit(2);
}
if (option_index >= 0)
dv->writemostly = writemostly;
dv->re_add = re_add;
dv->used = 0;
- dv->content = NULL;
dv->next = NULL;
*devlistend = dv;
devlistend = &dv->next;
* could depend on the mode */
#define O(a,b) ((a<<8)|b)
switch (O(mode,opt)) {
+ case O(GROW,'c'):
case O(CREATE,'c'):
case O(BUILD,'c'): /* chunk or rounding */
if (chunk) {
if (strcmp(optarg, "max")==0)
size = 0;
else {
- size = strtoll(optarg, &c, 10);
- if (!optarg[0] || *c || size < 4) {
+ size = parse_size(optarg);
+ if (size < 8) {
fprintf(stderr, Name ": invalid size: %s\n",
optarg);
exit(2);
}
+ /* convert sectors to K */
+ size /= 2;
+ }
+ continue;
+
+ case O(GROW,'Z'): /* array size */
+ if (array_size >= 0) {
+ fprintf(stderr, Name ": array-size may only be specified once. "
+ "Second value is %s.\n", optarg);
+ exit(2);
+ }
+ if (strcmp(optarg, "max") == 0)
+ array_size = 0;
+ else {
+ array_size = parse_size(optarg);
+ if (array_size <= 0) {
+ fprintf(stderr, Name ": invalid array size: %s\n",
+ optarg);
+ exit(2);
+ }
}
continue;
- case O(GROW,'l'): /* hack - needed to understand layout */
+ case O(GROW,'l'):
case O(CREATE,'l'):
case O(BUILD,'l'): /* set raid level*/
if (level != UnSet) {
ident.level = level;
continue;
+ case O(GROW, 'p'): /* new layout */
+ if (layout_str) {
+ fprintf(stderr,Name ": layout may only be sent once. "
+ "Second value was %s\n", optarg);
+ exit(2);
+ }
+ layout_str = optarg;
+ /* 'Grow' will parse the value */
+ continue;
+
case O(CREATE,'p'): /* raid5 layout */
case O(BUILD,'p'): /* faulty layout */
- case O(GROW, 'p'): /* faulty reconfig */
if (layout != UnSet) {
fprintf(stderr,Name ": layout may only be sent once. "
"Second value was %s\n", optarg);
break;
case 10:
- /* 'f', 'o' or 'n' followed by a number <= raid_disks */
- if ((optarg[0] != 'n' && optarg[0] != 'f' && optarg[0] != 'o') ||
- (copies = strtoul(optarg+1, &cp, 10)) < 1 ||
- copies > 200 ||
- *cp) {
+ layout = parse_layout_10(optarg);
+ if (layout < 0) {
fprintf(stderr, Name ": layout for raid10 must be 'nNN', 'oNN' or 'fNN' where NN is a number, not %s\n", optarg);
exit(2);
}
- if (optarg[0] == 'n')
- layout = 256 + copies;
- else if (optarg[0] == 'o')
- layout = 0x10000 + (copies<<8) + 1;
- else
- layout = 1 + (copies<<8);
break;
- case -5: /* Faulty
- * modeNNN
- */
-
- {
- int ln = strcspn(optarg, "0123456789");
- char *m = strdup(optarg);
- int mode;
- m[ln] = 0;
- mode = map_name(faultylayout, m);
- if (mode == UnSet) {
+ case LEVEL_FAULTY:
+ /* Faulty
+ * modeNNN
+ */
+ layout = parse_layout_faulty(optarg);
+ if (layout == -1) {
fprintf(stderr, Name ": layout %s not understood for faulty.\n",
optarg);
exit(2);
}
- layout = mode | (atoi(optarg+ln)<< ModeShift);
- }
+ break;
}
continue;
case O(CREATE,'N'):
case O(ASSEMBLE,'N'):
+ case O(MISC,'N'):
if (ident.name[0]) {
fprintf(stderr, Name ": name cannot be set twice. "
"Second value %s.\n", optarg);
exit(2);
}
+ if (mode == MISC && !subarray) {
+ fprintf(stderr, Name ": -N/--name only valid with --update-subarray in misc mode\n");
+ exit(2);
+ }
if (strlen(optarg) > 32) {
fprintf(stderr, Name ": name '%s' is too long, 32 chars max.\n",
optarg);
continue;
case O(ASSEMBLE,'U'): /* update the superblock */
+ case O(MISC,'U'):
if (update) {
fprintf(stderr, Name ": Can only update one aspect of superblock, both %s and %s given.\n",
update, optarg);
exit(2);
}
+ if (mode == MISC && !subarray) {
+ fprintf(stderr, Name ": Only subarrays can be updated in misc mode\n");
+ exit(2);
+ }
update = optarg;
if (strcmp(update, "sparc2.2")==0)
continue;
exit(outf == stdout ? 0 : 2);
case O(INCREMENTAL,NoDegraded):
+ fprintf(stderr, Name ": --no-degraded is deprecated in Incremental mode\n");
case O(ASSEMBLE,NoDegraded): /* --no-degraded */
runstop = -1; /* --stop isn't allowed for --assemble,
* so we overload slightly */
openlog("mdadm", LOG_PID, SYSLOG_FACILITY);
dosyslog = 1;
continue;
-
+ case O(MONITOR, NoSharing):
+ spare_sharing = 0;
+ continue;
/* now the general management options. Some are applicable
* to other modes. None have arguments.
*/
devmode = 'r';
continue;
case O(MANAGE,'f'): /* set faulty */
+ case O(INCREMENTAL,'f'): /* r for incremental is taken, use f
+ * even though we will both fail and
+ * remove the device */
devmode = 'f';
continue;
case O(INCREMENTAL,'R'):
}
runstop = -1;
continue;
+ case O(MANAGE,'t'):
+ test = 1;
+ continue;
case O(MISC,'Q'):
case O(MISC,'D'):
case O(MISC,'W'):
case O(MISC, Waitclean):
case O(MISC, DetailPlatform):
+ case O(MISC, KillSubarray):
+ case O(MISC, UpdateSubarray):
if (devmode && devmode != opt &&
(devmode == 'E' || (opt == 'E' && devmode != 'Q'))) {
- fprintf(stderr, Name ": --examine/-E cannot be given with -%c\n",
- devmode =='E'?opt:devmode);
+ fprintf(stderr, Name ": --examine/-E cannot be given with ");
+ if (devmode == 'E') {
+ if (option_index >= 0)
+ fprintf(stderr, "--%s\n",
+ long_options[option_index].name);
+ else
+ fprintf(stderr, "-%c\n", opt);
+ } else if (isalpha(devmode))
+ fprintf(stderr, "-%c\n", devmode);
+ else
+ fprintf(stderr, "previous option\n");
exit(2);
}
devmode = opt;
continue;
}
/* probable typo */
- fprintf(stderr, Name ": bitmap file must contain a '/', or be 'internal', or 'none'\n");
+ fprintf(stderr, Name ": bitmap file must contain a '/', or be 'internal', or 'none'\n"
+ " not '%s'\n", optarg);
exit(2);
case O(GROW,BitmapChunk):
case O(INCREMENTAL, 'r'):
rebuild_map = 1;
continue;
+ case O(INCREMENTAL, IncrementalPath):
+ remove_path = optarg;
+ continue;
}
/* We have now processed all the valid options. Anything else is
* an error
}
}
+ if ((mode != MISC || devmode != 'E') &&
+ geteuid() != 0) {
+ fprintf(stderr, Name ": must be super-user to perform this action\n");
+ exit(1);
+ }
+
ident.autof = autof;
rv = 0;
rv = Manage_ro(devlist->devname, mdfd, readonly);
if (!rv && devs_found>1)
rv = Manage_subdevs(devlist->devname, mdfd,
- devlist->next, verbose-quiet);
+ devlist->next, verbose-quiet, test);
if (!rv && readonly < 0)
rv = Manage_ro(devlist->devname, mdfd, readonly);
if (!rv && runstop)
if (devs_found == 1 && ident.uuid_set == 0 &&
ident.super_minor == UnSet && ident.name[0] == 0 && !scan ) {
/* Only a device has been given, so get details from config file */
- mddev_ident_t array_ident = conf_get_ident(devlist->devname);
+ struct mddev_ident *array_ident = conf_get_ident(devlist->devname);
if (array_ident == NULL) {
fprintf(stderr, Name ": %s not identified in config file.\n",
devlist->devname);
exit(1);
}
for (dv = devlist ; dv ; dv=dv->next) {
- mddev_ident_t array_ident = conf_get_ident(dv->devname);
+ struct mddev_ident *array_ident = conf_get_ident(dv->devname);
if (array_ident == NULL) {
fprintf(stderr, Name ": %s not identified in config file.\n",
dv->devname);
verbose-quiet, force);
}
} else {
- mddev_ident_t array_list = conf_get_ident(NULL);
- mddev_dev_t devlist = conf_get_devs();
+ struct mddev_ident *a, *array_list = conf_get_ident(NULL);
+ struct mddev_dev *devlist = conf_get_devs();
int cnt = 0;
+ int failures, successes;
if (devlist == NULL) {
fprintf(stderr, Name ": No devices listed in conf file were found.\n");
exit(1);
fprintf(stderr, Name ": --backup_file not meaningful with a --scan assembly.\n");
exit(1);
}
- for (; array_list; array_list = array_list->next) {
- if (array_list->devname &&
- strcasecmp(array_list->devname, "<ignore>") == 0)
- continue;
- if (array_list->autof == 0)
- array_list->autof = autof;
+ for (a = array_list; a ; a = a->next) {
+ a->assembled = 0;
+ if (a->autof == 0)
+ a->autof = autof;
+ }
+ do {
+ failures = 0;
+ successes = 0;
+ rv = 0;
+ for (a = array_list; a ; a = a->next) {
+ int r;
+ if (a->assembled)
+ continue;
+ if (a->devname &&
+ strcasecmp(a->devname, "<ignore>") == 0)
+ continue;
- rv |= Assemble(ss, array_list->devname,
- array_list,
- NULL, NULL,
- readonly, runstop, NULL,
- homehost, require_homehost,
- verbose-quiet, force);
- cnt++;
- }
+ r = Assemble(ss, a->devname,
+ a,
+ NULL, NULL,
+ readonly, runstop, NULL,
+ homehost, require_homehost,
+ verbose-quiet, force);
+ if (r == 0) {
+ a->assembled = 1;
+ successes++;
+ } else
+ failures++;
+ rv |= r;
+ cnt++;
+ }
+ } while (failures && successes);
if (homehost && cnt == 0) {
/* Maybe we can auto-assemble something.
* Repeatedly call Assemble in auto-assemble mode
int acnt;
ident.autof = autof;
do {
- mddev_dev_t devlist = conf_get_devs();
+ struct mddev_dev *devlist = conf_get_devs();
acnt = 0;
do {
rv2 = Assemble(ss, NULL,
struct mdstat_ent *ms = mdstat_read(0, 1);
struct mdstat_ent *e;
struct map_ent *map = NULL;
+ int members;
int v = verbose>1?0:verbose+1;
+ for (members = 0; members <= 1; members++) {
for (e=ms ; e ; e=e->next) {
char *name;
struct map_ent *me;
+ int member = e->metadata_version &&
+ strncmp(e->metadata_version,
+ "external:/", 10) == 0;
+ if (members != member)
+ continue;
me = map_by_devnum(&map, e->devnum);
if (me && me->path
&& strcmp(me->path, "/unknown") != 0)
rv |= WaitClean(name, -1, v);
put_md_name(name);
}
+ }
free_mdstat(ms);
} else if (devmode == 'S' && scan) {
/* apply --stop to all devices in /proc/mdstat */
export, test, homehost);
continue;
case 'K': /* Zero superblock */
- rv |= Kill(dv->devname, force, quiet,0);
+ if (ss)
+ rv |= Kill(dv->devname, ss, force, quiet,0);
+ else {
+ int q = quiet;
+ do {
+ rv |= Kill(dv->devname, NULL, force, q, 0);
+ q = 1;
+ } while (rv == 0);
+ rv &= ~2;
+ }
continue;
case 'Q':
rv |= Query(dv->devname); continue;
rv |= Wait(dv->devname); continue;
case Waitclean:
rv |= WaitClean(dv->devname, -1, verbose-quiet); continue;
+ case KillSubarray:
+ rv |= Kill_subarray(dv->devname, subarray, quiet);
+ continue;
+ case UpdateSubarray:
+ if (update == NULL) {
+ fprintf(stderr,
+ Name ": -U/--update must be specified with --update-subarray\n");
+ rv |= 1;
+ continue;
+ }
+ rv |= Update_subarray(dv->devname, subarray, update, &ident, quiet);
+ continue;
}
mdfd = open_mddev(dv->devname, 1);
if (mdfd>=0) {
}
rv= Monitor(devlist, mailaddr, program,
delay?delay:60, daemonise, scan, oneshot,
- dosyslog, test, pidfile, increments);
+ dosyslog, test, pidfile, increments, spare_sharing);
break;
case GROW:
+ if (array_size >= 0) {
+ /* alway impose array size first, independent of
+ * anything else
+ * Do not allow level or raid_disks changes at the
+ * same time as that can be irreversibly destructive.
+ */
+ struct mdinfo sra;
+ int err;
+ if (raiddisks || level != UnSet) {
+ fprintf(stderr, Name ": cannot change array size in same operation "
+ "as changing raiddisks or level.\n"
+ " Change size first, then check that data is still intact.\n");
+ rv = 1;
+ break;
+ }
+ sysfs_init(&sra, mdfd, 0);
+ if (array_size == 0)
+ err = sysfs_set_str(&sra, NULL, "array_size", "default");
+ else
+ err = sysfs_set_num(&sra, NULL, "array_size", array_size / 2);
+ if (err < 0) {
+ if (errno == E2BIG)
+ fprintf(stderr, Name ": --array-size setting"
+ " is too large.\n");
+ else
+ fprintf(stderr, Name ": current kernel does"
+ " not support setting --array-size\n");
+ rv = 1;
+ break;
+ }
+ }
if (devs_found > 1) {
/* must be '-a'. */
- if (size >= 0 || raiddisks) {
- fprintf(stderr, Name ": --size, --raiddisks, and --add are exclusing in --grow mode\n");
+ if (size >= 0 || raiddisks || chunk || layout_str != NULL || bitmap_file) {
+ fprintf(stderr, Name ": --add cannot be used with other geometry changes in --grow mode\n");
rv = 1;
break;
}
if (rv)
break;
}
- } else if ((size >= 0) + (raiddisks != 0) + (layout != UnSet) + (bitmap_file != NULL)> 1) {
- fprintf(stderr, Name ": can change at most one of size, raiddisks, bitmap, and layout\n");
- rv = 1;
- break;
- } else if (layout != UnSet)
- rv = Manage_reconfig(devlist->devname, mdfd, layout);
- else if (size >= 0 || raiddisks)
- rv = Grow_reshape(devlist->devname, mdfd, quiet, backup_file,
- size, level, layout, chunk, raiddisks);
- else if (bitmap_file) {
- if (delay == 0) delay = DEFAULT_BITMAP_DELAY;
+ } else if (bitmap_file) {
+ if (size >= 0 || raiddisks || chunk || layout_str != NULL) {
+ fprintf(stderr, Name ": --bitmap changes cannot be used with other geometry changes in --grow mode\n");
+ rv = 1;
+ break;
+ }
+ if (delay == 0)
+ delay = DEFAULT_BITMAP_DELAY;
rv = Grow_addbitmap(devlist->devname, mdfd, bitmap_file,
bitmap_chunk, delay, write_behind, force);
- } else
+ } else if (size >= 0 || raiddisks != 0 || layout_str != NULL
+ || chunk != 0 || level != UnSet) {
+ rv = Grow_reshape(devlist->devname, mdfd, quiet, backup_file,
+ size, level, layout_str, chunk, raiddisks);
+ } else if (array_size < 0)
fprintf(stderr, Name ": no changes to --grow\n");
break;
case INCREMENTAL:
": --incremental --scan meaningless without --run.\n");
break;
}
+ if (devmode == 'f') {
+ fprintf(stderr, Name
+ ": --incremental --scan --fail not supported.\n");
+ break;
+ }
rv = IncrementalScan(verbose);
}
if (!devlist) {
rv = 1;
break;
}
- rv = Incremental(devlist->devname, verbose-quiet, runstop,
- ss, homehost, require_homehost, autof);
+ if (devmode == 'f')
+ rv = IncrementalRemove(devlist->devname, remove_path,
+ verbose-quiet);
+ else
+ rv = Incremental(devlist->devname, verbose-quiet,
+ runstop, ss, homehost,
+ require_homehost, autof);
break;
case AUTODETECT:
autodetect();
projects / thirdparty / mdadm.git / blobdiff