/*
* mdadm - manage Linux "md" devices aka RAID arrays.
*
- * Copyright (C) 2001-2012 Neil Brown <neilb@suse.de>
+ * Copyright (C) 2001-2013 Neil Brown <neilb@suse.de>
*
*
* This program is free software; you can redistribute it and/or modify
static int is_member_busy(char *metadata_version)
{
/* check if the given member array is active */
- struct mdstat_ent *mdstat = mdstat_read(1, 0);
+ struct mdstat_ent *mdstat = mdstat_read(0, 0);
struct mdstat_ent *ent;
int busy = 0;
if (tmpdev->used > 1)
continue;
- if (ident->devices &&
- !match_oneof(ident->devices, devname)) {
+ if (ident->container) {
+ if (ident->container[0] == '/' &&
+ !same_dev(ident->container, devname)) {
+ if (report_mismatch)
+ pr_err("%s is not the container required (%s)\n",
+ devname, ident->container);
+ continue;
+ }
+ } else if (ident->devices &&
+ !match_oneof(ident->devices, devname)) {
+ /* Note that we ignore the "device=" identifier if a
+ * "container=" is given. Checking both is unnecessarily
+ * complicated.
+ */
if (report_mismatch)
pr_err("%s is not one of %s\n", devname, ident->devices);
continue;
!conf_test_metadata(tst->ss->name, (pol = devid_policy(stb.st_rdev)),
tst->ss->match_home(tst, c->homehost) == 1)) {
if (report_mismatch)
- pr_err("%s has metadata type %s for which "
- "auto-assembly is disabled\n",
+ pr_err("%s has metadata type %s for which auto-assembly is disabled\n",
devname, tst->ss->name);
tmpdev->used = 2;
} else
!conf_test_metadata(tst->ss->name, (pol = devid_policy(stb.st_rdev)),
tst->ss->match_home(tst, c->homehost) == 1)) {
if (report_mismatch)
- pr_err("%s has metadata type %s for which "
- "auto-assembly is disabled\n",
+ pr_err("%s has metadata type %s for which auto-assembly is disabled\n",
devname, tst->ss->name);
tmpdev->used = 2;
}
}
close(dfd);
- if (ident->container) {
- if (ident->container[0] == '/' &&
- !same_dev(ident->container, devname)) {
+ if (ident->container && ident->container[0] != '/') {
+ /* we have a uuid */
+ int uuid[4];
+
+ content = *contentp;
+ tst->ss->getinfo_super(tst, content, NULL);
+
+ if (!parse_uuid(ident->container, uuid) ||
+ !same_uuid(content->uuid, uuid, tst->ss->swapuuid)) {
if (report_mismatch)
- pr_err("%s is not the container required (%s)\n",
- devname, ident->container);
+ pr_err("%s has wrong UUID to be required container\n",
+ devname);
goto loop;
}
- if (ident->container[0] != '/') {
- /* we have a uuid */
- int uuid[4];
-
- content = *contentp;
- tst->ss->getinfo_super(tst, content, NULL);
-
- if (!parse_uuid(ident->container, uuid) ||
- !same_uuid(content->uuid, uuid, tst->ss->swapuuid)) {
- if (report_mismatch)
- pr_err("%s has wrong UUID to be required container\n",
- devname);
- goto loop;
- }
- }
}
/* It is worth looking inside this container.
*/
st = tst; tst = NULL;
if (!auto_assem && inargv && tmpdev->next != NULL) {
- pr_err("%s is a container, but is not "
- "only device given: confused and aborting\n",
+ pr_err("%s is a container, but is not only device given: confused and aborting\n",
devname);
st->ss->free_super(st);
dev_policy_free(pol);
tmpdev = NULL;
goto loop;
} else {
- int rv = 0;
- struct mddev_ident *match;
-
content = *contentp;
tst->ss->getinfo_super(tst, content, NULL);
report_mismatch ? devname : NULL))
goto loop;
- match = conf_match(tst, content, devname,
- report_mismatch ? c->verbose : -1,
- &rv);
- if (!match && rv == 2)
- goto loop;
- if (match && match->devname &&
- strcasecmp(match->devname, "<ignore>") == 0) {
- if (report_mismatch)
- pr_err("%s is a member of an explicitly ignored array\n",
- devname);
- goto loop;
- }
- if (match && !ident_matches(match, content, tst,
- c->homehost, c->update,
- report_mismatch ? devname : NULL))
- /* Array exists in mdadm.conf but some
- * details don't match, so reject it
+ if (auto_assem) {
+ /* Never auto-assemble things that conflict
+ * with mdadm.conf in some way
*/
- goto loop;
+ struct mddev_ident *match;
+ int rv = 0;
+
+ match = conf_match(tst, content, devname,
+ report_mismatch ? c->verbose : -1,
+ &rv);
+ if (!match && rv == 2)
+ goto loop;
+ if (match && match->devname &&
+ strcasecmp(match->devname, "<ignore>") == 0) {
+ if (report_mismatch)
+ pr_err("%s is a member of an explicitly ignored array\n",
+ devname);
+ goto loop;
+ }
+ if (match && !ident_matches(match, content, tst,
+ c->homehost, c->update,
+ report_mismatch ? devname : NULL))
+ /* Array exists in mdadm.conf but some
+ * details don't match, so reject it
+ */
+ goto loop;
+ }
/* should be safe to try an exclusive open now, we
* have rejected anything that some other mdadm might
};
static int load_devices(struct devs *devices, char *devmap,
- struct mddev_ident *ident, struct supertype *st,
+ struct mddev_ident *ident, struct supertype **stp,
struct mddev_dev *devlist, struct context *c,
struct mdinfo *content,
int mdfd, char *mddev,
#ifndef MDASSEMBLE
int bitmap_done = 0;
#endif
- int most_recent = 0;
+ int most_recent = -1;
int bestcnt = 0;
int *best = *bestp;
+ struct supertype *st = *stp;
for (tmpdev = devlist; tmpdev; tmpdev=tmpdev->next) {
char *devname = tmpdev->devname;
struct stat stb;
+ struct supertype *tst;
int i;
+ int dfd;
if (tmpdev->used != 1)
continue;
/* looks like a good enough match to update the super block if needed */
#ifndef MDASSEMBLE
if (c->update) {
- int dfd;
/* prepare useful information in info structures */
struct stat stb2;
- struct supertype *tst;
int err;
fstat(mdfd, &stb2);
close(mdfd);
free(devices);
free(devmap);
+ tst->ss->free_super(tst);
+ free(tst);
+ *stp = st;
return -1;
}
tst->ss->getinfo_super(tst, content, devmap + devcnt * content->array.raid_disks);
if (strcmp(c->update, "byteorder") == 0)
err = 0;
- else
+ else if (strcmp(c->update, "home-cluster") == 0) {
+ tst->cluster_name = c->homecluster;
+ tst->ss->write_bitmap(tst, dfd, NameUpdate);
+ } else
err = tst->ss->update_super(tst, content, c->update,
devname, c->verbose,
ident->uuid_set,
c->homehost);
if (err < 0) {
if (err == -1)
- pr_err("--update=%s not understood"
- " for %s metadata\n",
+ pr_err("--update=%s not understood for %s metadata\n",
c->update, tst->ss->name);
tst->ss->free_super(tst);
free(tst);
close(dfd);
free(devices);
free(devmap);
+ *stp = st;
return -1;
}
if (strcmp(c->update, "uuid")==0 &&
if (tst->ss->store_super(tst, dfd))
pr_err("Could not re-write superblock on %s.\n",
devname);
- close(dfd);
if (strcmp(c->update, "uuid")==0 &&
ident->bitmap_fd >= 0 && !bitmap_done) {
else
bitmap_done = 1;
}
- tst->ss->free_super(tst);
} else
#endif
{
- struct supertype *tst = dup_super(st);
- int dfd;
dfd = dev_open(devname,
tmpdev->disposition == 'I'
? O_RDWR : (O_RDWR|O_EXCL));
+ tst = dup_super(st);
if (dfd < 0 || tst->ss->load_super(tst, dfd, NULL) != 0) {
pr_err("cannot re-read metadata from %s - aborting\n",
close(mdfd);
free(devices);
free(devmap);
+ tst->ss->free_super(tst);
+ free(tst);
+ *stp = st;
return -1;
}
tst->ss->getinfo_super(tst, content, devmap + devcnt * content->array.raid_disks);
- tst->ss->free_super(tst);
- close(dfd);
}
- stat(devname, &stb);
+ fstat(dfd, &stb);
+ close(dfd);
if (c->verbose > 0)
pr_err("%s is identified as a member of %s, slot %d%s.\n",
devices[devcnt].i.disk.major = major(stb.st_rdev);
devices[devcnt].i.disk.minor = minor(stb.st_rdev);
- if (devices[devcnt].i.events
- > devices[most_recent].i.events &&
- devices[devcnt].i.disk.state == 6)
+ if (devices[devcnt].i.disk.state == 6) {
+ if (most_recent < 0 ||
+ devices[devcnt].i.events
+ > devices[most_recent].i.events) {
+ struct supertype *tmp = tst;
+ tst = st;
+ st = tmp;
most_recent = devcnt;
+ }
+ }
+ tst->ss->free_super(tst);
+ free(tst);
if (content->array.level == LEVEL_MULTIPATH)
/* with multipath, the raid_disk from the superblock is meaningless */
* Could be a mis-detection caused by overlapping
* partitions. fail-safe.
*/
- pr_err("WARNING %s and %s appear"
- " to have very similar superblocks.\n"
- " If they are really different, "
- "please --zero the superblock on one\n"
- " If they are the same or overlap,"
- " please remove one from %s.\n",
+ pr_err("WARNING %s and %s appear to have very similar superblocks.\n"
+ " If they are really different, please --zero the superblock on one\n"
+ " If they are the same or overlap, please remove one from %s.\n",
devices[best[i]].devname, devname,
inargv ? "the list" :
"the\n DEVICE list in mdadm.conf"
close(mdfd);
free(devices);
free(devmap);
+ *stp = st;
return -1;
}
if (best[i] == -1
}
devcnt++;
}
- *most_recentp = most_recent;
+ if (most_recent >= 0)
+ *most_recentp = most_recent;
*bestcntp = bestcnt;
*bestp = best;
+ *stp = st;
return devcnt;
}
int chosen_drive = -1;
int i;
- for (i = 0; i < content->array.raid_disks && i < bestcnt; i++) {
+ for (i = 0;
+ i < content->array.raid_disks * 2 && i < bestcnt;
+ i += 2) {
int j = best[i];
- if (j>=0 &&
- !devices[j].uptodate &&
- devices[j].i.recovery_start == MaxSector &&
- (chosen_drive < 0 ||
+ if (j < 0)
+ continue;
+ if (devices[j].uptodate)
+ continue;
+ if (devices[j].i.recovery_start != MaxSector) {
+ int delta;
+ if (!devices[j].i.reshape_active ||
+ devices[j].i.delta_disks <= 0)
+ continue;
+ /* When increasing number of devices, an
+ * added device also appears to be
+ * recovering. It is safe to include it
+ * as long as it won't be a source of
+ * data.
+ * For now, just allow for last data
+ * devices in RAID4 or last devices in RAID4/5/6.
+ */
+ delta = devices[j].i.delta_disks;
+ if (devices[j].i.array.level >= 4 &&
+ devices[j].i.array.level <= 6 &&
+ i/2 >= content->array.raid_disks - delta)
+ /* OK */;
+ else if (devices[j].i.array.level == 4 &&
+ i/2 >= content->array.raid_disks - delta - 1)
+ /* OK */;
+ else
+ continue;
+ }
+ if (chosen_drive < 0 ||
devices[j].i.events
- > devices[chosen_drive].i.events))
+ > devices[chosen_drive].i.events)
chosen_drive = j;
}
if (chosen_drive < 0)
/* If there are any other drives of the same vintage,
* add them in as well. We can't lose and we might gain
*/
- for (i = 0; i < content->array.raid_disks && i < bestcnt ; i++) {
+ for (i = 0;
+ i < content->array.raid_disks * 2 && i < bestcnt ;
+ i += 2) {
int j = best[i];
if (j >= 0 &&
!devices[j].uptodate &&
rv = add_disk(mdfd, st, content, &devices[j].i);
if (rv) {
- pr_err("failed to add "
- "%s to %s: %s\n",
+ pr_err("failed to add %s to %s: %s\n",
devices[j].devname,
mddev,
strerror(errno));
} else if (c->verbose > 0 && i < content->array.raid_disks*2
&& (i&1) == 0)
pr_err("no uptodate device for slot %d of %s\n",
- i, mddev);
+ i/2, mddev);
}
if (content->array.level == LEVEL_CONTAINER) {
if (c->verbose >= 0) {
- pr_err("Container %s has been "
- "assembled with %d drive%s",
+ pr_err("Container %s has been assembled with %d drive%s",
mddev, okcnt+sparecnt, okcnt+sparecnt==1?"":"s");
if (okcnt < (unsigned)content->array.raid_disks)
fprintf(stderr, " (out of %d)",
content->array.raid_disks);
fprintf(stderr, "\n");
}
+
+ if (st->ss->validate_container) {
+ struct mdinfo *devices_list;
+ struct mdinfo *info_devices = xmalloc(sizeof(struct mdinfo)*(okcnt+sparecnt));
+ unsigned int count;
+ devices_list = NULL;
+ for (count = 0; count < okcnt+sparecnt; count++) {
+ info_devices[count] = devices[count].i;
+ info_devices[count].next = devices_list;
+ devices_list = &info_devices[count];
+ }
+ if (st->ss->validate_container(devices_list))
+ pr_err("Mismatch detected!\n");
+ free(info_devices);
+ }
+
st->ss->free_super(st);
sysfs_uevent(content, "change");
+ if (err_ok && okcnt < (unsigned)content->array.raid_disks)
+ /* Was partial, is still partial, so signal an error
+ * to ensure we don't retry */
+ return 1;
return 0;
}
if (content->reshape_active &&
!(content->reshape_active & RESHAPE_NO_BACKUP) &&
content->delta_disks <= 0) {
+ if (!c->backup_file) {
+ pr_err("%s: Need a backup file to complete reshape of this array.\n",
+ mddev);
+ pr_err("Please provided one with \"--backup-file=...\"\n");
+ if (c->update &&
+ strcmp(c->update, "revert-reshape") == 0)
+ pr_err("(Don't specify --update=revert-reshape again, that part succeeded.)\n");
+ return 1;
+ }
rv = sysfs_set_str(content, NULL,
"array_state", "readonly");
if (rv == 0)
rv = Grow_continue(mdfd, st, content,
- c->backup_file,
+ c->backup_file, 0,
c->freeze_reshape);
} else if (c->readonly &&
sysfs_attribute_available(
} else
#endif
rv = ioctl(mdfd, RUN_ARRAY, NULL);
+ reopen_mddev(mdfd); /* drop O_EXCL */
if (rv == 0) {
if (c->verbose >= 0) {
pr_err("%s has been started with %d drive%s",
if (!enough(content->array.level, content->array.raid_disks,
content->array.layout, 1, avail))
- pr_err("Not enough devices to "
- "start the array.\n");
+ pr_err("Not enough devices to start the array.\n");
else if (!enough(content->array.level,
content->array.raid_disks,
content->array.layout, clean,
avail))
- pr_err("Not enough devices to "
- "start the array while not clean "
- "- consider --force.\n");
+ pr_err("Not enough devices to start the array while not clean - consider --force.\n");
return 1;
}
content->array.raid_disks,
content->array.layout, clean,
avail))
- fprintf(stderr, " - not enough to start the "
- "array while not clean - consider "
- "--force.\n");
+ fprintf(stderr, " - not enough to start the array while not clean - consider --force.\n");
else {
if (req_cnt == (unsigned)content->array.raid_disks)
fprintf(stderr, " - need all %d to start it", req_cnt);
*/
if (map_lock(&map))
pr_err("failed to get exclusive lock on mapfile - continue anyway...\n");
- mp = map_by_uuid(&map, content->uuid);
+ if (c->update && strcmp(c->update,"uuid") == 0)
+ mp = NULL;
+ else
+ mp = map_by_uuid(&map, content->uuid);
if (mp) {
struct mdinfo *dv;
/* array already exists. */
/* This is a member of a container. Try starting the array. */
int err;
err = assemble_container_content(st, mdfd, content, c,
- chosen_name);
+ chosen_name, NULL);
close(mdfd);
return err;
}
/* Ok, no bad inconsistancy, we can try updating etc */
devices = xcalloc(num_devs, sizeof(*devices));
devmap = xcalloc(num_devs, content->array.raid_disks);
- devcnt = load_devices(devices, devmap, ident, st, devlist,
+ devcnt = load_devices(devices, devmap, ident, &st, devlist,
c, content, mdfd, mddev,
&most_recent, &bestcnt, &best, inargv);
if (devcnt < 0)
/* If this device thinks that 'most_recent' has failed, then
* we must reject this device.
*/
- if (j != most_recent &&
+ if (j != most_recent && !c->force &&
content->array.raid_disks > 0 &&
devices[most_recent].i.disk.raid_disk >= 0 &&
devmap[j * content->array.raid_disks + devices[most_recent].i.disk.raid_disk] == 0) {
if (i < content->array.raid_disks * 2) {
if (devices[j].i.recovery_start == MaxSector ||
(content->reshape_active &&
- ((i >= content->array.raid_disks - content->delta_disks) ||
- (i >= content->array.raid_disks - content->delta_disks - 1
- && content->array.level == 4)))) {
+ i >= content->array.raid_disks - content->delta_disks)) {
if (!avail[i/2]) {
okcnt++;
avail[i/2]=1;
*/
chosen_drive = -1;
st->ss->free_super(st);
- for (i=0; chosen_drive < 0 && i<bestcnt; i++) {
+ for (i=0; chosen_drive < 0 && i<bestcnt; i+=2) {
int j = best[i];
int fd;
int err = 0;
int *fdlist = xmalloc(sizeof(int)* bestcnt);
if (c->verbose > 0)
- pr_err(":%s has an active reshape - checking "
- "if critical section needs to be restored\n",
+ pr_err("%s has an active reshape - checking if critical section needs to be restored\n",
chosen_name);
+ if (!c->backup_file)
+ c->backup_file = locate_backup(content->sys_name);
enable_fds(bestcnt/2);
for (i = 0; i < bestcnt/2; i++) {
int j = best[i*2];
c->backup_file, c->verbose > 0);
if (err && c->invalid_backup) {
if (c->verbose > 0)
- pr_err("continuing"
- " without restoring backup\n");
+ pr_err("continuing without restoring backup\n");
err = 0;
}
}
#ifndef MDASSEMBLE
int assemble_container_content(struct supertype *st, int mdfd,
struct mdinfo *content, struct context *c,
- char *chosen_name)
+ char *chosen_name, int *result)
{
- struct mdinfo *dev, *sra;
+ struct mdinfo *dev, *sra, *dev2;
int working = 0, preexist = 0;
int expansion = 0;
struct map_ent *map = NULL;
int old_raid_disks;
int start_reshape;
+ char *avail = NULL;
+ int err;
sysfs_init(content, mdfd, NULL);
- sra = sysfs_read(mdfd, NULL, GET_VERSION);
+ sra = sysfs_read(mdfd, NULL, GET_VERSION|GET_DEVS);
if (sra == NULL || strcmp(sra->text_version, content->text_version) != 0) {
if (content->array.major_version == -1 &&
content->array.minor_version == -2 &&
if (st->ss->external && content->recovery_blocked && start_reshape)
block_subarray(content);
- if (sra)
- sysfs_free(sra);
+ for (dev2 = sra->devs; dev2; dev2 = dev2->next) {
+ for (dev = content->devs; dev; dev = dev->next)
+ if (dev2->disk.major == dev->disk.major &&
+ dev2->disk.minor == dev->disk.minor)
+ break;
+ if (dev)
+ continue;
+ /* Don't want this one any more */
+ if (sysfs_set_str(sra, dev2, "slot", "none") < 0 &&
+ errno == EBUSY) {
+ pr_err("Cannot remove old device %s: not updating %s\n", dev2->sys_name, sra->sys_name);
+ sysfs_free(sra);
+ return 1;
+ }
+ sysfs_set_str(sra, dev2, "state", "remove");
+ }
old_raid_disks = content->array.raid_disks - content->delta_disks;
- for (dev = content->devs; dev; dev = dev->next)
+ avail = xcalloc(content->array.raid_disks, 1);
+ for (dev = content->devs; dev; dev = dev->next) {
+ if (dev->disk.raid_disk >= 0)
+ avail[dev->disk.raid_disk] = 1;
if (sysfs_add_disk(content, dev, 1) == 0) {
if (dev->disk.raid_disk >= old_raid_disks &&
content->reshape_active)
working++;
} else if (errno == EEXIST)
preexist++;
- if (working + expansion == 0)
+ }
+ sysfs_free(sra);
+ if (working + expansion == 0 && c->runstop <= 0) {
+ free(avail);
return 1;/* Nothing new, don't try to start */
-
+ }
map_update(&map, fd2devnm(mdfd),
content->text_version,
content->uuid, chosen_name);
- if (c->runstop > 0 ||
- (working + preexist + expansion) >=
- content->array.working_disks) {
- int err;
-
- if (start_reshape) {
- int spare = content->array.raid_disks + expansion;
- if (restore_backup(st, content,
- working,
- spare, c->backup_file, c->verbose) == 1)
- return 1;
-
- err = sysfs_set_str(content, NULL,
- "array_state", "readonly");
- if (err)
- return 1;
-
- if (st->ss->external) {
- if (!mdmon_running(st->container_devnm))
- start_mdmon(st->container_devnm);
- ping_monitor(st->container_devnm);
- if (mdmon_running(st->container_devnm) &&
- st->update_tail == NULL)
- st->update_tail = &st->updates;
- }
- err = Grow_continue(mdfd, st, content, c->backup_file,
- c->freeze_reshape);
- } else switch(content->array.level) {
- case LEVEL_LINEAR:
- case LEVEL_MULTIPATH:
- case 0:
- err = sysfs_set_str(content, NULL, "array_state",
- c->readonly ? "readonly" : "active");
- break;
- default:
- err = sysfs_set_str(content, NULL, "array_state",
- "readonly");
- /* start mdmon if needed. */
- if (!err) {
- if (!mdmon_running(st->container_devnm))
- start_mdmon(st->container_devnm);
- ping_monitor(st->container_devnm);
- }
- break;
- }
- if (!err)
- sysfs_set_safemode(content, content->safe_mode_delay);
-
- /* Block subarray here if it is not reshaped now
- * It has be blocked a little later to allow mdmon to switch in
- * in to R/W state
- */
- if (st->ss->external && content->recovery_blocked &&
- !start_reshape)
- block_subarray(content);
-
- if (c->verbose >= 0) {
- if (err)
- pr_err("array %s now has %d device%s",
- chosen_name, working + preexist,
- working + preexist == 1 ? "":"s");
- else
- pr_err("Started %s with %d device%s",
- chosen_name, working + preexist,
- working + preexist == 1 ? "":"s");
+ if (enough(content->array.level, content->array.raid_disks,
+ content->array.layout, content->array.state & 1, avail) == 0) {
+ if (c->export && result)
+ *result |= INCR_NO;
+ else if (c->verbose >= 0) {
+ pr_err("%s assembled with %d device%s",
+ chosen_name, preexist + working,
+ preexist + working == 1 ? "":"s");
if (preexist)
fprintf(stderr, " (%d new)", working);
- if (expansion)
- fprintf(stderr, " ( + %d for expansion)",
- expansion);
- fprintf(stderr, "\n");
+ fprintf(stderr, " but not started\n");
}
- if (!err)
- wait_for(chosen_name, mdfd);
- return err;
- /* FIXME should have an O_EXCL and wait for read-auto */
- } else {
- if (c->verbose >= 0) {
+ free(avail);
+ return 1;
+ }
+ free(avail);
+
+ if (c->runstop <= 0 &&
+ (working + preexist + expansion) <
+ content->array.working_disks) {
+ if (c->export && result)
+ *result |= INCR_UNSAFE;
+ else if (c->verbose >= 0) {
pr_err("%s assembled with %d device%s",
chosen_name, preexist + working,
preexist + working == 1 ? "":"s");
if (preexist)
fprintf(stderr, " (%d new)", working);
- fprintf(stderr, " but not started\n");
+ fprintf(stderr, " but not safe to start\n");
}
return 1;
}
+
+
+ if (start_reshape) {
+ int spare = content->array.raid_disks + expansion;
+ if (restore_backup(st, content,
+ working,
+ spare, &c->backup_file, c->verbose) == 1)
+ return 1;
+
+ err = sysfs_set_str(content, NULL,
+ "array_state", "readonly");
+ if (err)
+ return 1;
+
+ if (st->ss->external) {
+ if (!mdmon_running(st->container_devnm))
+ start_mdmon(st->container_devnm);
+ ping_monitor(st->container_devnm);
+ if (mdmon_running(st->container_devnm) &&
+ st->update_tail == NULL)
+ st->update_tail = &st->updates;
+ }
+
+ err = Grow_continue(mdfd, st, content, c->backup_file,
+ 0, c->freeze_reshape);
+ } else switch(content->array.level) {
+ case LEVEL_LINEAR:
+ case LEVEL_MULTIPATH:
+ case 0:
+ err = sysfs_set_str(content, NULL, "array_state",
+ c->readonly ? "readonly" : "active");
+ break;
+ default:
+ err = sysfs_set_str(content, NULL, "array_state",
+ "readonly");
+ /* start mdmon if needed. */
+ if (!err) {
+ if (!mdmon_running(st->container_devnm))
+ start_mdmon(st->container_devnm);
+ ping_monitor(st->container_devnm);
+ }
+ break;
+ }
+ if (!err)
+ sysfs_set_safemode(content, content->safe_mode_delay);
+
+ /* Block subarray here if it is not reshaped now
+ * It has be blocked a little later to allow mdmon to switch in
+ * in to R/W state
+ */
+ if (st->ss->external && content->recovery_blocked &&
+ !start_reshape)
+ block_subarray(content);
+
+ if (c->export && result) {
+ if (err)
+ *result |= INCR_NO;
+ else
+ *result |= INCR_YES;
+ } else if (c->verbose >= 0) {
+ if (err)
+ pr_err("array %s now has %d device%s",
+ chosen_name, working + preexist,
+ working + preexist == 1 ? "":"s");
+ else
+ pr_err("Started %s with %d device%s",
+ chosen_name, working + preexist,
+ working + preexist == 1 ? "":"s");
+ if (preexist)
+ fprintf(stderr, " (%d new)", working);
+ if (expansion)
+ fprintf(stderr, " ( + %d for expansion)",
+ expansion);
+ fprintf(stderr, "\n");
+ }
+ if (!err)
+ wait_for(chosen_name, mdfd);
+ return err;
+ /* FIXME should have an O_EXCL and wait for read-auto */
}
#endif
projects / thirdparty / mdadm.git / blobdiff