return busy;
}
+static int ident_matches(struct mddev_ident *ident,
+ struct mdinfo *content,
+ struct supertype *tst,
+ char *homehost,
+ char *update, char *devname)
+{
+
+ if (ident->uuid_set && (!update || strcmp(update, "uuid")!= 0) &&
+ same_uuid(content->uuid, ident->uuid, tst->ss->swapuuid)==0 &&
+ memcmp(content->uuid, uuid_zero, sizeof(int[4])) != 0) {
+ if (devname)
+ pr_err("%s has wrong uuid.\n", devname);
+ return 0;
+ }
+ if (ident->name[0] && (!update || strcmp(update, "name")!= 0) &&
+ name_matches(content->name, ident->name, homehost)==0) {
+ if (devname)
+ pr_err("%s has wrong name.\n", devname);
+ return 0;
+ }
+ if (ident->super_minor != UnSet &&
+ ident->super_minor != content->array.md_minor) {
+ if (devname)
+ pr_err("%s has wrong super-minor.\n",
+ devname);
+ return 0;
+ }
+ if (ident->level != UnSet &&
+ ident->level != content->array.level) {
+ if (devname)
+ pr_err("%s has wrong raid level.\n",
+ devname);
+ return 0;
+ }
+ if (ident->raid_disks != UnSet &&
+ ident->raid_disks!= content->array.raid_disks) {
+ if (devname)
+ pr_err("%s requires wrong number of drives.\n",
+ devname);
+ return 0;
+ }
+ if (ident->member && ident->member[0]) {
+ /* content->text_version must match */
+ char *s = strchr(content->text_version+1, '/');
+ if (s == NULL) {
+ if (devname)
+ pr_err("%s is not a container and one is required.\n",
+ devname);
+ return 0;
+ } else if (strcmp(ident->member, s+1) != 0) {
+ if (devname)
+ pr_err("skipping wrong member %s is %s\n",
+ content->text_version, devname);
+ return 0;
+ }
+ }
+ return 1;
+}
+
+
int Assemble(struct supertype *st, char *mddev,
- mddev_ident_t ident,
- mddev_dev_t devlist, char *backup_file,
- int readonly, int runstop,
- char *update, char *homehost, int require_homehost,
- int verbose, int force)
+ struct mddev_ident *ident,
+ struct mddev_dev *devlist,
+ struct context *c)
{
/*
* The task of Assemble is to find a collection of
*/
struct mdinfo i;
} *devices;
+ char *devmap;
int *best = NULL; /* indexed by raid_disk */
int bestcnt = 0;
int devcnt = 0;
int change = 0;
int inargv = 0;
int report_missmatch;
+#ifndef MDASSEMBLE
int bitmap_done;
- int start_partial_ok = (runstop >= 0) &&
- (force || devlist==NULL || auto_assem);
+#endif
+ int start_partial_ok = (c->runstop >= 0) &&
+ (c->force || devlist==NULL || auto_assem);
unsigned int num_devs;
- mddev_dev_t tmpdev;
+ struct mddev_dev *tmpdev;
struct mdinfo info;
struct mdinfo *content = NULL;
char *avail;
char *name = NULL;
int trustworthy;
char chosen_name[1024];
+ struct domainlist *domains = NULL;
if (get_linux_version() < 2004000)
old_linux = 1;
ident->name[0] == 0 &&
(ident->container == NULL || ident->member == NULL) &&
ident->devices == NULL) {
- fprintf(stderr, Name ": No identity information available for %s - cannot assemble.\n",
- mddev ? mddev : "further assembly");
+ pr_err("No identity information available for %s - cannot assemble.\n",
+ mddev ? mddev : "further assembly");
return 1;
}
else if (mddev)
inargv = 1;
- report_missmatch = ((inargv && verbose >= 0) || verbose > 0);
+ report_missmatch = ((inargv && c->verbose >= 0) || c->verbose > 0);
try_again:
/* We come back here when doing auto-assembly and attempting some
* set of devices failed. Those are now marked as ->used==2 and
if (!st && ident->st) st = ident->st;
- if (verbose>0)
- fprintf(stderr, Name ": looking for devices for %s\n",
- mddev ? mddev : "further assembly");
+ if (c->verbose>0)
+ pr_err("looking for devices for %s\n",
+ mddev ? mddev : "further assembly");
/* first walk the list of devices to find a consistent set
* that match the criterea, if that is possible.
*/
for (tmpdev = devlist;
tmpdev;
- tmpdev = tmpdev->next) {
+ tmpdev = tmpdev ? tmpdev->next : NULL) {
char *devname = tmpdev->devname;
int dfd;
struct stat stb;
- struct supertype *tst = dup_super(st);
+ struct supertype *tst;
struct dev_policy *pol = NULL;
+ int found_container = 0;
if (tmpdev->used > 1) continue;
if (ident->devices &&
!match_oneof(ident->devices, devname)) {
if (report_missmatch)
- fprintf(stderr, Name ": %s is not one of %s\n", devname, ident->devices);
+ pr_err("%s is not one of %s\n", devname, ident->devices);
continue;
}
- dfd = dev_open(devname, O_RDONLY|O_EXCL);
+ tst = dup_super(st);
+
+ dfd = dev_open(devname, O_RDONLY);
if (dfd < 0) {
if (report_missmatch)
- fprintf(stderr, Name ": cannot open device %s: %s\n",
- devname, strerror(errno));
+ pr_err("cannot open device %s: %s\n",
+ devname, strerror(errno));
tmpdev->used = 2;
} else if (fstat(dfd, &stb)< 0) {
/* Impossible! */
- fprintf(stderr, Name ": fstat failed for %s: %s\n",
- devname, strerror(errno));
+ pr_err("fstat failed for %s: %s\n",
+ devname, strerror(errno));
tmpdev->used = 2;
} else if ((stb.st_mode & S_IFMT) != S_IFBLK) {
- fprintf(stderr, Name ": %s is not a block device.\n",
- devname);
- tmpdev->used = 2;
- } else if (!tst && (tst = guess_super(dfd)) == NULL) {
- if (report_missmatch)
- fprintf(stderr, Name ": no recogniseable superblock on %s\n",
- devname);
- tmpdev->used = 2;
- } else if (tst->ss->load_super(tst,dfd, NULL)) {
- if (report_missmatch)
- fprintf(stderr, Name ": no RAID superblock on %s\n",
- devname);
- } else if (tst->ss->compare_super == NULL) {
- if (report_missmatch)
- fprintf(stderr, Name ": Cannot assemble %s metadata on %s\n",
- tst->ss->name, devname);
- tst->ss->free_super(tst);
- tmpdev->used = 2;
- } else if (auto_assem && st == NULL &&
- !conf_test_metadata(tst->ss->name, (pol = devnum_policy(stb.st_rdev)),
- tst->ss->match_home(tst, homehost) == 1)) {
- if (report_missmatch)
- fprintf(stderr, Name ": %s has metadata type %s for which "
- "auto-assembly is disabled\n",
- devname, tst->ss->name);
- tst->ss->free_super(tst);
+ pr_err("%s is not a block device.\n",
+ devname);
tmpdev->used = 2;
+ } else if (must_be_container(dfd)) {
+ if (st) {
+ /* already found some components, this cannot
+ * be another one.
+ */
+ if (report_missmatch)
+ pr_err("%s is a container, but we are looking for components\n",
+ devname);
+ tmpdev->used = 2;
+#if !defined(MDASSEMBLE) || defined(MDASSEMBLE) && defined(MDASSEMBLE_AUTO)
+ } if (!tst && (tst = super_by_fd(dfd, NULL)) == NULL) {
+ if (report_missmatch)
+ pr_err("not a recognisable container: %s\n",
+ devname);
+ tmpdev->used = 2;
+#endif
+ } else if (!tst->ss->load_container
+ || tst->ss->load_container(tst, dfd, NULL)) {
+ if (report_missmatch)
+ pr_err("no correct container type: %s\n",
+ devname);
+ tmpdev->used = 2;
+ } else if (auto_assem &&
+ !conf_test_metadata(tst->ss->name, (pol = devnum_policy(stb.st_rdev)),
+ tst->ss->match_home(tst, c->homehost) == 1)) {
+ if (report_missmatch)
+ pr_err("%s has metadata type %s for which "
+ "auto-assembly is disabled\n",
+ devname, tst->ss->name);
+ tmpdev->used = 2;
+ } else
+ found_container = 1;
} else {
- content = &info;
- memset(content, 0, sizeof(*content));
- tst->ss->getinfo_super(tst, content, NULL);
+ if (!tst && (tst = guess_super(dfd)) == NULL) {
+ if (report_missmatch)
+ pr_err("no recogniseable superblock on %s\n",
+ devname);
+ tmpdev->used = 2;
+ } else if (tst->ss->load_super(tst,dfd, NULL)) {
+ if (report_missmatch)
+ pr_err("no RAID superblock on %s\n",
+ devname);
+ tmpdev->used = 2;
+ } else if (tst->ss->compare_super == NULL) {
+ if (report_missmatch)
+ pr_err("Cannot assemble %s metadata on %s\n",
+ tst->ss->name, devname);
+ tmpdev->used = 2;
+ } else if (auto_assem && st == NULL &&
+ !conf_test_metadata(tst->ss->name, (pol = devnum_policy(stb.st_rdev)),
+ tst->ss->match_home(tst, c->homehost) == 1)) {
+ if (report_missmatch)
+ pr_err("%s has metadata type %s for which "
+ "auto-assembly is disabled\n",
+ devname, tst->ss->name);
+ tmpdev->used = 2;
+ }
}
if (dfd >= 0) close(dfd);
+ if (tmpdev->used == 2) {
+ if (auto_assem || !inargv)
+ /* Ignore unrecognised devices during auto-assembly */
+ goto loop;
+ if (ident->uuid_set || ident->name[0] ||
+ ident->super_minor != UnSet)
+ /* Ignore unrecognised device if looking for
+ * specific array */
+ goto loop;
+
- if (tst && tst->sb && tst->ss->container_content
- && tst->loaded_container) {
+ pr_err("%s has no superblock - assembly aborted\n",
+ devname);
+ if (st)
+ st->ss->free_super(st);
+ dev_policy_free(pol);
+ domain_free(domains);
+ return 1;
+ }
+
+ if (found_container) {
/* tmpdev is a container. We need to be either
* looking for a member, or auto-assembling
*/
- if (st) {
- /* already found some components, this cannot
- * be another one.
- */
+ /* should be safe to try an exclusive open now, we
+ * have rejected anything that some other mdadm might
+ * be looking at
+ */
+ dfd = dev_open(devname, O_RDONLY | O_EXCL);
+ if (dfd < 0) {
if (report_missmatch)
- fprintf(stderr, Name ": %s is a container, but we are looking for components\n",
- devname);
+ pr_err("%s is busy - skipping\n", devname);
goto loop;
}
+ close(dfd);
if (ident->container) {
if (ident->container[0] == '/' &&
!same_dev(ident->container, devname)) {
if (report_missmatch)
- fprintf(stderr, Name ": %s is not the container required (%s)\n",
+ pr_err("%s is not the container required (%s)\n",
devname, ident->container);
goto loop;
}
if (ident->container[0] != '/') {
/* we have a uuid */
int uuid[4];
+
+ content = &info;
+ tst->ss->getinfo_super(tst, content, NULL);
+
if (!parse_uuid(ident->container, uuid) ||
!same_uuid(content->uuid, uuid, tst->ss->swapuuid)) {
if (report_missmatch)
- fprintf(stderr, Name ": %s has wrong UUID to be required container\n",
+ pr_err("%s has wrong UUID to be required container\n",
devname);
goto loop;
}
}
/* It is worth looking inside this container.
*/
- if (verbose > 0)
- fprintf(stderr, Name ": looking in container %s\n",
- devname);
- next_member:
- if (tmpdev->content)
- content = tmpdev->content;
- else
- content = tst->ss->container_content(tst);
- if (!content)
- goto loop; /* empty container */
-
- tmpdev->content = content->next;
- if (tmpdev->content == NULL)
- tmpdev->used = 2;
-
- } else if (ident->container || ident->member) {
- /* No chance of this matching if we don't have
- * a container */
- if (report_missmatch)
- fprintf(stderr, Name "%s is not a container, and one is required.\n",
- devname);
- goto loop;
- }
-
- if (ident->uuid_set && (!update || strcmp(update, "uuid")!= 0) &&
- (!tst || !tst->sb ||
- same_uuid(content->uuid, ident->uuid, tst->ss->swapuuid)==0)) {
- if (report_missmatch)
- fprintf(stderr, Name ": %s has wrong uuid.\n",
- devname);
- goto loop;
- }
- if (ident->name[0] && (!update || strcmp(update, "name")!= 0) &&
- (!tst || !tst->sb ||
- name_matches(content->name, ident->name, homehost)==0)) {
- if (report_missmatch)
- fprintf(stderr, Name ": %s has wrong name.\n",
- devname);
- goto loop;
- }
- if (ident->super_minor != UnSet &&
- (!tst || !tst->sb ||
- ident->super_minor != content->array.md_minor)) {
- if (report_missmatch)
- fprintf(stderr, Name ": %s has wrong super-minor.\n",
- devname);
- goto loop;
- }
- if (ident->level != UnSet &&
- (!tst || !tst->sb ||
- ident->level != content->array.level)) {
- if (report_missmatch)
- fprintf(stderr, Name ": %s has wrong raid level.\n",
- devname);
- goto loop;
- }
- if (ident->raid_disks != UnSet &&
- (!tst || !tst->sb ||
- ident->raid_disks!= content->array.raid_disks)) {
- if (report_missmatch)
- fprintf(stderr, Name ": %s requires wrong number of drives.\n",
+ if (c->verbose > 0)
+ pr_err("looking in container %s\n",
devname);
- goto loop;
- }
- if (auto_assem) {
- if (tst == NULL || tst->sb == NULL)
- continue;
- }
- /* If we are this far, then we are nearly commited to this device.
- * If the super_block doesn't exist, or doesn't match others,
- * then we probably cannot continue
- * However if one of the arrays is for the homehost, and
- * the other isn't that can disambiguate.
- */
- if (!tst || !tst->sb) {
- fprintf(stderr, Name ": %s has no superblock - assembly aborted\n",
- devname);
- if (st)
- st->ss->free_super(st);
- dev_policy_free(pol);
- return 1;
- }
+ for (content = tst->ss->container_content(tst, NULL);
+ content;
+ content = content->next) {
- if (tst && tst->sb && tst->ss->container_content
- && tst->loaded_container) {
- /* we have the one container we need, don't keep
- * looking. If the chosen member is active, skip.
- */
- if (is_member_busy(content->text_version)) {
- if (report_missmatch)
- fprintf(stderr, Name ": member %s in %s is already assembled\n",
+ if (!ident_matches(ident, content, tst,
+ c->homehost, c->update,
+ report_missmatch ? devname : NULL))
+ /* message already printed */;
+ else if (is_member_busy(content->text_version)) {
+ if (report_missmatch)
+ pr_err("member %s in %s is already assembled\n",
+ content->text_version,
+ devname);
+ } else if (content->array.state & (1<<MD_SB_BLOCK_VOLUME)) {
+ /* do not assemble arrays with unsupported configurations */
+ pr_err("Cannot activate member %s in %s.\n",
content->text_version,
devname);
- skip:
- if (tmpdev->content)
- goto next_member;
- tst->ss->free_super(tst);
- tst = NULL;
- content = NULL;
- if (auto_assem)
- goto loop;
- dev_policy_free(pol);
- return 1;
+ } else
+ break;
}
- if (ident->member && ident->member[0]) {
- char *s = strchr(content->text_version+1, '/');
- if (s == NULL) {
- fprintf(stderr, Name ": badly formatted version: %s\n",
- content->text_version);
- goto skip;
- }
- if (strcmp(ident->member, s+1) != 0) {
- if (report_missmatch)
- fprintf(stderr,
- Name ": skipping wrong member %s\n",
- content->text_version);
- goto skip;
- }
+ if (!content) {
+ tmpdev->used = 2;
+ goto loop; /* empty container */
}
+
st = tst; tst = NULL;
if (!auto_assem && inargv && tmpdev->next != NULL) {
- fprintf(stderr, Name ": %s is a container, but is not "
+ 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);
+ domain_free(domains);
return 1;
}
- if (verbose > 0)
- fprintf(stderr, Name ": found match on member %s in %s\n",
+ if (c->verbose > 0)
+ pr_err("found match on member %s in %s\n",
content->text_version, devname);
- break;
- }
- if (st == NULL)
- st = dup_super(tst);
- if (st->minor_version == -1)
- st->minor_version = tst->minor_version;
- if (st->ss != tst->ss ||
- st->minor_version != tst->minor_version ||
- st->ss->compare_super(st, tst) != 0) {
- /* Some mismatch. If exactly one array matches this host,
- * we can resolve on that one.
- * Or, if we are auto assembling, we just ignore the second
- * for now.
+
+ /* make sure we finished the loop */
+ tmpdev = NULL;
+ goto loop;
+ } else {
+
+ content = &info;
+ tst->ss->getinfo_super(tst, content, NULL);
+
+ if (!ident_matches(ident, content, tst,
+ c->homehost, c->update,
+ report_missmatch ? devname : NULL))
+ goto loop;
+
+ /* should be safe to try an exclusive open now, we
+ * have rejected anything that some other mdadm might
+ * be looking at
*/
- if (auto_assem)
+ dfd = dev_open(devname, O_RDONLY | O_EXCL);
+ if (dfd < 0) {
+ if (report_missmatch)
+ pr_err("%s is busy - skipping\n", devname);
goto loop;
- if (homehost) {
- int first = st->ss->match_home(st, homehost);
- int last = tst->ss->match_home(tst, homehost);
- if (first != last &&
- (first == 1 || last == 1)) {
- /* We can do something */
- if (first) {/* just ignore this one */
- if (report_missmatch)
- fprintf(stderr, Name ": %s misses out due to wrong homehost\n",
- devname);
- goto loop;
- } else { /* reject all those sofar */
- mddev_dev_t td;
- if (report_missmatch)
- fprintf(stderr, Name ": %s overrides previous devices due to good homehost\n",
- devname);
- for (td=devlist; td != tmpdev; td=td->next)
- if (td->used == 1)
- td->used = 0;
- tmpdev->used = 1;
- goto loop;
+ }
+ close(dfd);
+
+ if (st == NULL)
+ st = dup_super(tst);
+ if (st->minor_version == -1)
+ st->minor_version = tst->minor_version;
+
+ if (memcmp(content->uuid, uuid_zero,
+ sizeof(int[4])) == 0) {
+ /* this is a floating spare. It cannot define
+ * an array unless there are no more arrays of
+ * this type to be found. It can be included
+ * in an array of this type though.
+ */
+ tmpdev->used = 3;
+ goto loop;
+ }
+
+ if (st->ss != tst->ss ||
+ st->minor_version != tst->minor_version ||
+ st->ss->compare_super(st, tst) != 0) {
+ /* Some mismatch. If exactly one array matches this host,
+ * we can resolve on that one.
+ * Or, if we are auto assembling, we just ignore the second
+ * for now.
+ */
+ if (auto_assem)
+ goto loop;
+ if (c->homehost) {
+ int first = st->ss->match_home(st, c->homehost);
+ int last = tst->ss->match_home(tst, c->homehost);
+ if (first != last &&
+ (first == 1 || last == 1)) {
+ /* We can do something */
+ if (first) {/* just ignore this one */
+ if (report_missmatch)
+ pr_err("%s misses out due to wrong homehost\n",
+ devname);
+ goto loop;
+ } else { /* reject all those sofar */
+ struct mddev_dev *td;
+ if (report_missmatch)
+ pr_err("%s overrides previous devices due to good homehost\n",
+ devname);
+ for (td=devlist; td != tmpdev; td=td->next)
+ if (td->used == 1)
+ td->used = 0;
+ tmpdev->used = 1;
+ goto loop;
+ }
}
}
+ pr_err("superblock on %s doesn't match others - assembly aborted\n",
+ devname);
+ tst->ss->free_super(tst);
+ st->ss->free_super(st);
+ dev_policy_free(pol);
+ domain_free(domains);
+ return 1;
}
- fprintf(stderr, Name ": superblock on %s doesn't match others - assembly aborted\n",
- devname);
- tst->ss->free_super(tst);
- st->ss->free_super(st);
- dev_policy_free(pol);
- return 1;
+ tmpdev->used = 1;
}
-
- tmpdev->used = 1;
-
loop:
+ /* Collect domain information from members only */
+ if (tmpdev && tmpdev->used == 1) {
+ if (!pol)
+ pol = devnum_policy(stb.st_rdev);
+ domain_merge(&domains, pol, tst?tst->ss->name:NULL);
+ }
dev_policy_free(pol);
pol = NULL;
- if (tmpdev->content)
- goto next_member;
if (tst)
tst->ss->free_super(tst);
}
+ /* Check if we found some imsm spares but no members */
+ if ((auto_assem ||
+ (ident->uuid_set &&
+ memcmp(uuid_zero, ident->uuid,sizeof(uuid_zero)) == 0)) &&
+ (!st || !st->sb))
+ for (tmpdev = devlist; tmpdev; tmpdev = tmpdev->next) {
+ if (tmpdev->used != 3)
+ continue;
+ tmpdev->used = 1;
+ content = &info;
+
+ if (!st->sb) {
+ /* we need sb from one of the spares */
+ int dfd = dev_open(tmpdev->devname, O_RDONLY);
+ if (dfd < 0 ||
+ st->ss->load_super(st, dfd, NULL))
+ tmpdev->used = 2;
+ if (dfd > 0)
+ close(dfd);
+ }
+ }
+
+ /* Now reject spares that don't match domains of identified members */
+ for (tmpdev = devlist; tmpdev; tmpdev = tmpdev->next) {
+ struct stat stb;
+ if (tmpdev->used != 3)
+ continue;
+ if (stat(tmpdev->devname, &stb)< 0) {
+ pr_err("fstat failed for %s: %s\n",
+ tmpdev->devname, strerror(errno));
+ tmpdev->used = 2;
+ } else {
+ struct dev_policy *pol = devnum_policy(stb.st_rdev);
+ int dt = domain_test(domains, pol, NULL);
+ if (inargv && dt != 0)
+ /* take this spare as domains match
+ * if there are any */
+ tmpdev->used = 1;
+ else if (!inargv && dt == 1)
+ /* device wasn't explicitly listed, so need
+ * explicit domain match - which we have */
+ tmpdev->used = 1;
+ else
+ /* if domains don't match mark as unused */
+ tmpdev->used = 0;
+ dev_policy_free(pol);
+ }
+ }
+ domain_free(domains);
+
if (!st || !st->sb || !content)
return 2;
trustworthy = FOREIGN;
name = content->name;
- switch (st->ss->match_home(st, homehost)
+ switch (st->ss->match_home(st, c->homehost)
?: st->ss->match_home(st, "any")) {
case 1:
trustworthy = LOCAL;
}
if (name[0] && trustworthy != LOCAL &&
- ! require_homehost &&
+ ! c->require_homehost &&
conf_name_is_free(name))
trustworthy = LOCAL;
mddev = chosen_name;
vers = md_get_version(mdfd);
if (vers < 9000) {
- fprintf(stderr, Name ": Assemble requires driver version 0.90.0 or later.\n"
+ pr_err("Assemble requires driver version 0.90.0 or later.\n"
" Upgrade your kernel or try --build\n");
close(mdfd);
return 1;
}
if (mddev_busy(fd2devnum(mdfd))) {
- fprintf(stderr, Name ": %s already active, cannot restart it!\n",
+ pr_err("%s already active, cannot restart it!\n",
mddev);
for (tmpdev = devlist ;
tmpdev && tmpdev->used != 1;
tmpdev = tmpdev->next)
;
if (tmpdev && auto_assem)
- fprintf(stderr, Name ": %s needed for %s...\n",
+ pr_err("%s needed for %s...\n",
mddev, tmpdev->devname);
close(mdfd);
mdfd = -3;
#ifndef MDASSEMBLE
if (content != &info) {
/* This is a member of a container. Try starting the array. */
- return assemble_container_content(st, mdfd, content, runstop,
- chosen_name, verbose);
+ int err;
+ err = assemble_container_content(st, mdfd, content, c->runstop,
+ c->readonly,
+ chosen_name, c->verbose,
+ c->backup_file, c->freeze_reshape);
+ close(mdfd);
+ return err;
}
+ bitmap_done = 0;
#endif
/* Ok, no bad inconsistancy, we can try updating etc */
- bitmap_done = 0;
- content->update_private = NULL;
- devices = malloc(num_devs * sizeof(*devices));
+ devices = xcalloc(num_devs, sizeof(*devices));
+ devmap = xcalloc(num_devs, content->array.raid_disks);
for (tmpdev = devlist; tmpdev; tmpdev=tmpdev->next) if (tmpdev->used == 1) {
char *devname = tmpdev->devname;
struct stat stb;
/* looks like a good enough match to update the super block if needed */
#ifndef MDASSEMBLE
- if (update) {
+ if (c->update) {
int dfd;
/* prepare useful information in info structures */
struct stat stb2;
int err;
fstat(mdfd, &stb2);
- if (strcmp(update, "uuid")==0 &&
+ if (strcmp(c->update, "uuid")==0 &&
!ident->uuid_set) {
int rfd;
if ((rfd = open("/dev/urandom", O_RDONLY)) < 0 ||
}
dfd = dev_open(devname, O_RDWR|O_EXCL);
- remove_partitions(dfd);
-
tst = dup_super(st);
if (dfd < 0 || tst->ss->load_super(tst, dfd, NULL) != 0) {
- fprintf(stderr, Name ": cannot re-read metadata from %s - aborting\n",
+ pr_err("cannot re-read metadata from %s - aborting\n",
devname);
if (dfd >= 0)
close(dfd);
close(mdfd);
free(devices);
+ free(devmap);
return 1;
}
- tst->ss->getinfo_super(tst, content, NULL);
+ tst->ss->getinfo_super(tst, content, devmap + devcnt * content->array.raid_disks);
memcpy(content->uuid, ident->uuid, 16);
strcpy(content->name, ident->name);
content->array.md_minor = minor(stb2.st_rdev);
- if (strcmp(update, "byteorder") == 0)
+ if (strcmp(c->update, "byteorder") == 0)
err = 0;
else
- err = tst->ss->update_super(tst, content, update,
- devname, verbose,
+ err = tst->ss->update_super(tst, content, c->update,
+ devname, c->verbose,
ident->uuid_set,
- homehost);
+ c->homehost);
if (err < 0) {
- fprintf(stderr,
- Name ": --update=%s not understood"
- " for %s metadata\n",
- update, tst->ss->name);
+ pr_err("--update=%s not understood"
+ " for %s metadata\n",
+ c->update, tst->ss->name);
tst->ss->free_super(tst);
free(tst);
close(mdfd);
close(dfd);
free(devices);
+ free(devmap);
return 1;
}
- if (strcmp(update, "uuid")==0 &&
+ if (strcmp(c->update, "uuid")==0 &&
!ident->uuid_set) {
ident->uuid_set = 1;
memcpy(ident->uuid, content->uuid, 16);
}
if (tst->ss->store_super(tst, dfd))
- fprintf(stderr, Name ": Could not re-write superblock on %s.\n",
+ pr_err("Could not re-write superblock on %s.\n",
devname);
close(dfd);
- if (strcmp(update, "uuid")==0 &&
+ if (strcmp(c->update, "uuid")==0 &&
ident->bitmap_fd >= 0 && !bitmap_done) {
if (bitmap_update_uuid(ident->bitmap_fd,
content->uuid,
tst->ss->swapuuid) != 0)
- fprintf(stderr, Name ": Could not update uuid on external bitmap.\n");
+ pr_err("Could not update uuid on external bitmap.\n");
else
bitmap_done = 1;
}
int dfd;
dfd = dev_open(devname, O_RDWR|O_EXCL);
- remove_partitions(dfd);
-
if (dfd < 0 || tst->ss->load_super(tst, dfd, NULL) != 0) {
- fprintf(stderr, Name ": cannot re-read metadata from %s - aborting\n",
+ pr_err("cannot re-read metadata from %s - aborting\n",
devname);
if (dfd >= 0)
close(dfd);
close(mdfd);
free(devices);
+ free(devmap);
return 1;
}
- tst->ss->getinfo_super(tst, content, NULL);
+ tst->ss->getinfo_super(tst, content, devmap + devcnt * content->array.raid_disks);
tst->ss->free_super(tst);
close(dfd);
}
stat(devname, &stb);
- if (verbose > 0)
- fprintf(stderr, Name ": %s is identified as a member of %s, slot %d.\n",
+ if (c->verbose > 0)
+ pr_err("%s is identified as a member of %s, slot %d.\n",
devname, mddev, content->disk.raid_disk);
devices[devcnt].devname = devname;
devices[devcnt].uptodate = 0;
if (i < 10000) {
if (i >= bestcnt) {
int newbestcnt = i+10;
- int *newbest = malloc(sizeof(int)*newbestcnt);
+ int *newbest = xmalloc(sizeof(int)*newbestcnt);
int c;
for (c=0; c < newbestcnt; c++)
if (c < bestcnt)
* Could be a mis-detection caused by overlapping
* partitions. fail-safe.
*/
- fprintf(stderr, Name ": WARNING %s and %s appear"
+ 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"
);
close(mdfd);
free(devices);
+ free(devmap);
return 1;
}
if (best[i] == -1
}
devcnt++;
}
- free(content->update_private);
- content->update_private = NULL;
if (devcnt == 0) {
- fprintf(stderr, Name ": no devices found for %s\n",
+ pr_err("no devices found for %s\n",
mddev);
if (st)
st->ss->free_super(st);
close(mdfd);
free(devices);
+ free(devmap);
return 1;
}
- if (update && strcmp(update, "byteorder")==0)
+ if (c->update && strcmp(c->update, "byteorder")==0)
st->minor_version = 90;
st->ss->getinfo_super(st, content, NULL);
/* now we have some devices that might be suitable.
* I wonder how many
*/
- avail = malloc(content->array.raid_disks);
- memset(avail, 0, content->array.raid_disks);
+ avail = xcalloc(content->array.raid_disks, 1);
okcnt = 0;
sparecnt=0;
rebuilding_cnt=0;
if (content->array.level != LEVEL_MULTIPATH)
if (!(devices[j].i.disk.state & (1<<MD_DISK_ACTIVE))) {
if (!(devices[j].i.disk.state
- & (1<<MD_DISK_FAULTY)))
+ & (1<<MD_DISK_FAULTY))) {
+ devices[j].uptodate = 1;
sparecnt++;
+ }
continue;
}
+ /* If this device thinks that 'most_recent' has failed, then
+ * we must reject this device.
+ */
+ if (j != most_recent &&
+ 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 (c->verbose > -1)
+ pr_err("ignoring %s as it reports %s as failed\n",
+ devices[j].devname, devices[most_recent].devname);
+ best[i] = -1;
+ continue;
+ }
if (devices[j].i.events+event_margin >=
devices[most_recent].i.events) {
devices[j].uptodate = 1;
if (i < content->array.raid_disks) {
- if (devices[j].i.recovery_start == MaxSector) {
+ 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)))) {
okcnt++;
avail[i]=1;
} else
sparecnt++;
}
}
- while (force && !enough(content->array.level, content->array.raid_disks,
- content->array.layout, 1,
- avail, okcnt)) {
+ free(devmap);
+ while (c->force &&
+ (!enough(content->array.level, content->array.raid_disks,
+ content->array.layout, 1,
+ avail)
+ ||
+ (content->reshape_active && content->delta_disks > 0 &&
+ !enough(content->array.level, (content->array.raid_disks
+ - content->delta_disks),
+ content->new_layout, 1,
+ avail)
+ ))) {
/* Choose the newest best drive which is
* not up-to-date, update the superblock
* and add it.
break;
current_events = devices[chosen_drive].i.events;
add_another:
- if (verbose >= 0)
- fprintf(stderr, Name ": forcing event count in %s(%d) from %d upto %d\n",
+ if (c->verbose >= 0)
+ pr_err("forcing event count in %s(%d) from %d upto %d\n",
devices[chosen_drive].devname,
devices[chosen_drive].i.disk.raid_disk,
(int)(devices[chosen_drive].i.events),
(int)(devices[most_recent].i.events));
fd = dev_open(devices[chosen_drive].devname, O_RDWR|O_EXCL);
if (fd < 0) {
- fprintf(stderr, Name ": Couldn't open %s for write - not updating\n",
+ pr_err("Couldn't open %s for write - not updating\n",
devices[chosen_drive].devname);
devices[chosen_drive].i.events = 0;
continue;
tst = dup_super(st);
if (tst->ss->load_super(tst,fd, NULL)) {
close(fd);
- fprintf(stderr, Name ": RAID superblock disappeared from %s - not updating.\n",
+ pr_err("RAID superblock disappeared from %s - not updating.\n",
devices[chosen_drive].devname);
devices[chosen_drive].i.events = 0;
continue;
}
content->events = devices[most_recent].i.events;
tst->ss->update_super(tst, content, "force-one",
- devices[chosen_drive].devname, verbose,
+ devices[chosen_drive].devname, c->verbose,
0, NULL);
if (tst->ss->store_super(tst, fd)) {
close(fd);
- fprintf(stderr, Name ": Could not re-write superblock on %s\n",
+ pr_err("Could not re-write superblock on %s\n",
devices[chosen_drive].devname);
devices[chosen_drive].i.events = 0;
tst->ss->free_super(tst);
int j = best[i];
if (j >= 0 &&
!devices[j].uptodate &&
+ devices[j].i.recovery_start == MaxSector &&
devices[j].i.events == current_events) {
chosen_drive = j;
goto add_another;
continue;
if (!devices[j].uptodate)
continue;
+ if (devices[j].i.events < devices[most_recent].i.events)
+ continue;
chosen_drive = j;
if ((fd=dev_open(devices[j].devname, O_RDONLY|O_EXCL))< 0) {
- fprintf(stderr, Name ": Cannot open %s: %s\n",
+ pr_err("Cannot open %s: %s\n",
devices[j].devname, strerror(errno));
close(mdfd);
free(devices);
}
if (st->ss->load_super(st,fd, NULL)) {
close(fd);
- fprintf(stderr, Name ": RAID superblock has disappeared from %s\n",
+ pr_err("RAID superblock has disappeared from %s\n",
devices[j].devname);
close(mdfd);
free(devices);
close(fd);
}
if (st->sb == NULL) {
- fprintf(stderr, Name ": No suitable drives found for %s\n", mddev);
+ pr_err("No suitable drives found for %s\n", mddev);
close(mdfd);
free(devices);
return 1;
clean = 0;
if (st->ss->update_super(st, &devices[j].i, "assemble", NULL,
- verbose, 0, NULL)) {
- if (force) {
- if (verbose >= 0)
- fprintf(stderr, Name ": "
- "clearing FAULTY flag for device %d in %s for %s\n",
+ c->verbose, 0, NULL)) {
+ if (c->force) {
+ if (c->verbose >= 0)
+ pr_err("clearing FAULTY flag for device %d in %s for %s\n",
j, mddev, devices[j].devname);
change = 1;
} else {
- if (verbose >= -1)
- fprintf(stderr, Name ": "
- "device %d in %s has wrong state in superblock, but %s seems ok\n",
+ if (c->verbose >= -1)
+ pr_err("device %d in %s has wrong state in superblock, but %s seems ok\n",
i, mddev, devices[j].devname);
}
}
#if 0
if (!(super.disks[i].i.disk.state & (1 << MD_DISK_FAULTY))) {
- fprintf(stderr, Name ": devices %d of %s is not marked FAULTY in superblock, but cannot be found\n",
+ pr_err("devices %d of %s is not marked FAULTY in superblock, but cannot be found\n",
i, mddev);
}
#endif
}
- if (force && !clean &&
+ if (c->force && !clean &&
!enough(content->array.level, content->array.raid_disks,
content->array.layout, clean,
- avail, okcnt)) {
+ avail)) {
change += st->ss->update_super(st, content, "force-array",
- devices[chosen_drive].devname, verbose,
+ devices[chosen_drive].devname, c->verbose,
0, NULL);
clean = 1;
}
int fd;
fd = dev_open(devices[chosen_drive].devname, O_RDWR|O_EXCL);
if (fd < 0) {
- fprintf(stderr, Name ": Could not open %s for write - cannot Assemble array.\n",
+ pr_err("Could not open %s for write - cannot Assemble array.\n",
devices[chosen_drive].devname);
close(mdfd);
free(devices);
}
if (st->ss->store_super(st, fd)) {
close(fd);
- fprintf(stderr, Name ": Could not re-write superblock on %s\n",
+ pr_err("Could not re-write superblock on %s\n",
devices[chosen_drive].devname);
close(mdfd);
free(devices);
return 1;
}
+ if (c->verbose >= 0)
+ pr_err("Marking array %s as 'clean'\n",
+ mddev);
close(fd);
}
#ifndef MDASSEMBLE
if (content->reshape_active) {
int err = 0;
- int *fdlist = malloc(sizeof(int)* bestcnt);
- if (verbose > 0)
- fprintf(stderr, Name ":%s has an active reshape - checking "
+ 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",
chosen_name);
for (i=0; i<bestcnt; i++) {
if (j >= 0) {
fdlist[i] = dev_open(devices[j].devname, O_RDWR|O_EXCL);
if (fdlist[i] < 0) {
- fprintf(stderr, Name ": Could not open %s for write - cannot Assemble array.\n",
+ pr_err("Could not open %s for write - cannot Assemble array.\n",
devices[j].devname);
err = 1;
break;
} else
fdlist[i] = -1;
}
- if (!err)
- err = Grow_restart(st, content, fdlist, bestcnt, backup_file, verbose > 0);
+ if (!err) {
+ if (st->ss->external && st->ss->recover_backup)
+ err = st->ss->recover_backup(st, content);
+ else
+ err = Grow_restart(st, content, fdlist, bestcnt,
+ c->backup_file, c->verbose > 0);
+ if (err && c->invalid_backup) {
+ if (c->verbose > 0)
+ pr_err("continuing"
+ " without restoring backup\n");
+ err = 0;
+ }
+ }
while (i>0) {
i--;
if (fdlist[i]>=0) close(fdlist[i]);
}
if (err) {
- fprintf(stderr, Name ": Failed to restore critical section for reshape, sorry.\n");
- if (backup_file == NULL)
- fprintf(stderr," Possibly you needed to specify the --backup-file\n");
+ pr_err("Failed to restore critical section for reshape, sorry.\n");
+ if (c->backup_file == NULL)
+ cont_err("Possibly you needed to specify the --backup-file\n");
close(mdfd);
free(devices);
return err;
rv = set_array_info(mdfd, st, content);
if (rv) {
- fprintf(stderr, Name ": failed to set array info for %s: %s\n",
+ pr_err("failed to set array info for %s: %s\n",
mddev, strerror(errno));
ioctl(mdfd, STOP_ARRAY, NULL);
close(mdfd);
}
if (ident->bitmap_fd >= 0) {
if (ioctl(mdfd, SET_BITMAP_FILE, ident->bitmap_fd) != 0) {
- fprintf(stderr, Name ": SET_BITMAP_FILE failed.\n");
+ pr_err("SET_BITMAP_FILE failed.\n");
ioctl(mdfd, STOP_ARRAY, NULL);
close(mdfd);
free(devices);
/* From config file */
int bmfd = open(ident->bitmap_file, O_RDWR);
if (bmfd < 0) {
- fprintf(stderr, Name ": Could not open bitmap file %s\n",
+ pr_err("Could not open bitmap file %s\n",
ident->bitmap_file);
ioctl(mdfd, STOP_ARRAY, NULL);
close(mdfd);
return 1;
}
if (ioctl(mdfd, SET_BITMAP_FILE, bmfd) != 0) {
- fprintf(stderr, Name ": Failed to set bitmapfile for %s\n", mddev);
+ pr_err("Failed to set bitmapfile for %s\n", mddev);
close(bmfd);
ioctl(mdfd, STOP_ARRAY, NULL);
close(mdfd);
j = chosen_drive;
if (j >= 0 /* && devices[j].uptodate */) {
+ int dfd = dev_open(devices[j].devname,
+ O_RDWR|O_EXCL);
+ if (dfd >= 0) {
+ remove_partitions(dfd);
+ close(dfd);
+ }
rv = add_disk(mdfd, st, content, &devices[j].i);
if (rv) {
- fprintf(stderr, Name ": failed to add "
- "%s to %s: %s\n",
- devices[j].devname,
- mddev,
- strerror(errno));
+ pr_err("failed to add "
+ "%s to %s: %s\n",
+ devices[j].devname,
+ mddev,
+ strerror(errno));
if (i < content->array.raid_disks
|| i == bestcnt)
okcnt--;
else
sparecnt--;
- } else if (verbose > 0)
- fprintf(stderr, Name ": added %s "
- "to %s as %d\n",
- devices[j].devname, mddev,
- devices[j].i.disk.raid_disk);
- } else if (verbose > 0 && i < content->array.raid_disks)
- fprintf(stderr, Name ": no uptodate device for "
+ } else if (c->verbose > 0)
+ pr_err("added %s to %s as %d%s\n",
+ devices[j].devname, mddev,
+ devices[j].i.disk.raid_disk,
+ devices[j].uptodate?"":
+ " (possibly out of date)");
+ } else if (c->verbose > 0 && i < content->array.raid_disks)
+ pr_err("no uptodate device for "
"slot %d of %s\n",
i, mddev);
}
if (content->array.level == LEVEL_CONTAINER) {
- if (verbose >= 0) {
- fprintf(stderr, Name ": Container %s has been "
+ if (c->verbose >= 0) {
+ 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)
content->array.raid_disks);
fprintf(stderr, "\n");
}
+ st->ss->free_super(st);
sysfs_uevent(content, "change");
wait_for(chosen_name, mdfd);
close(mdfd);
return 0;
}
- if (runstop == 1 ||
- (runstop <= 0 &&
+ if (c->runstop == 1 ||
+ (c->runstop <= 0 &&
( enough(content->array.level, content->array.raid_disks,
- content->array.layout, clean, avail, okcnt) &&
+ content->array.layout, clean, avail) &&
(okcnt + rebuilding_cnt >= req_cnt || start_partial_ok)
))) {
/* This array is good-to-go.
int rv;
#ifndef MDASSEMBLE
if (content->reshape_active &&
- content->delta_disks <= 0)
- rv = Grow_continue(mdfd, st, content, backup_file);
- else
+ content->delta_disks <= 0) {
+ rv = sysfs_set_str(content, NULL,
+ "array_state", "readonly");
+ if (rv == 0)
+ rv = Grow_continue(mdfd, st, content,
+ c->backup_file,
+ c->freeze_reshape);
+ } else if (c->readonly &&
+ sysfs_attribute_available(
+ content, NULL, "array_state")) {
+ rv = sysfs_set_str(content, NULL,
+ "array_state", "readonly");
+ } else
#endif
rv = ioctl(mdfd, RUN_ARRAY, NULL);
if (rv == 0) {
- if (verbose >= 0) {
- fprintf(stderr, Name ": %s has been started with %d drive%s",
+ if (c->verbose >= 0) {
+ pr_err("%s has been started with %d drive%s",
mddev, okcnt, okcnt==1?"":"s");
if (okcnt < (unsigned)content->array.raid_disks)
fprintf(stderr, " (out of %d)", content->array.raid_disks);
sysfs_set_num(sra, NULL,
"stripe_cache_size",
(4 * content->array.chunk_size / 4096) + 1);
+ sysfs_free(sra);
}
}
if (okcnt < (unsigned)content->array.raid_disks) {
* might allow them to be included, or
* they will become spares.
*/
- for (i = 0; i <= bestcnt; i++) {
+ for (i = 0; i < bestcnt; i++) {
int j = best[i];
if (j >= 0 && !devices[j].uptodate) {
if (!disk_action_allows(&devices[j].i, st->ss->name, act_re_add))
continue;
rv = add_disk(mdfd, st, content,
&devices[j].i);
- if (rv == 0 && verbose >= 0)
- fprintf(stderr,
- Name ": %s has been re-added.\n",
- devices[j].devname);
+ if (rv == 0 && c->verbose >= 0)
+ pr_err("%s has been re-added.\n",
+ devices[j].devname);
}
}
}
free(devices);
return 0;
}
- fprintf(stderr, Name ": failed to RUN_ARRAY %s: %s\n",
+ pr_err("failed to RUN_ARRAY %s: %s\n",
mddev, strerror(errno));
if (!enough(content->array.level, content->array.raid_disks,
- content->array.layout, 1, avail, okcnt))
- fprintf(stderr, Name ": Not enough devices to "
+ content->array.layout, 1, avail))
+ 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, okcnt))
- fprintf(stderr, Name ": Not enough devices to "
+ avail))
+ pr_err("Not enough devices to "
"start the array while not clean "
"- consider --force.\n");
free(devices);
return 1;
}
- if (runstop == -1) {
- fprintf(stderr, Name ": %s assembled from %d drive%s",
- mddev, okcnt, okcnt==1?"":"s");
+ if (c->runstop == -1) {
+ pr_err("%s assembled from %d drive%s",
+ mddev, okcnt, okcnt==1?"":"s");
if (okcnt != (unsigned)content->array.raid_disks)
fprintf(stderr, " (out of %d)", content->array.raid_disks);
fprintf(stderr, ", but not started.\n");
free(devices);
return 0;
}
- if (verbose >= -1) {
- fprintf(stderr, Name ": %s assembled from %d drive%s", mddev, okcnt, okcnt==1?"":"s");
+ if (c->verbose >= -1) {
+ pr_err("%s assembled from %d drive%s", mddev, okcnt, okcnt==1?"":"s");
if (rebuilding_cnt)
fprintf(stderr, "%s %d rebuilding", sparecnt?", ":" and ", rebuilding_cnt);
if (sparecnt)
fprintf(stderr, " and %d spare%s", sparecnt, sparecnt==1?"":"s");
if (!enough(content->array.level, content->array.raid_disks,
- content->array.layout, 1, avail, okcnt))
+ content->array.layout, 1, avail))
fprintf(stderr, " - not enough to start the array.\n");
else if (!enough(content->array.level,
content->array.raid_disks,
content->array.layout, clean,
- avail, okcnt))
+ avail))
fprintf(stderr, " - not enough to start the "
"array while not clean - consider "
"--force.\n");
dev = makedev(devices[chosen_drive].i.disk.major,
devices[chosen_drive].i.disk.minor);
if (ioctl(mdfd, START_ARRAY, dev)) {
- fprintf(stderr, Name ": Cannot start array: %s\n",
+ pr_err("Cannot start array: %s\n",
strerror(errno));
}
#ifndef MDASSEMBLE
int assemble_container_content(struct supertype *st, int mdfd,
struct mdinfo *content, int runstop,
- char *chosen_name, int verbose)
+ int readonly,
+ char *chosen_name, int verbose,
+ char *backup_file, int freeze_reshape)
{
struct mdinfo *dev, *sra;
int working = 0, preexist = 0;
+ int expansion = 0;
struct map_ent *map = NULL;
+ int old_raid_disks;
+ int start_reshape;
sysfs_init(content, mdfd, 0);
sra = sysfs_read(mdfd, 0, GET_VERSION);
- if (sra == NULL || strcmp(sra->text_version, content->text_version) != 0)
+ if (sra == NULL || strcmp(sra->text_version, content->text_version) != 0) {
+ if (content->array.major_version == -1 &&
+ content->array.minor_version == -2 &&
+ readonly &&
+ content->text_version[0] == '/')
+ content->text_version[0] = '-';
if (sysfs_set_array(content, md_get_version(mdfd)) != 0) {
- close(mdfd);
+ if (sra)
+ sysfs_free(sra);
return 1;
}
+ }
+
+ /* There are two types of reshape: container wide or sub-array specific
+ * Check if metadata requests blocking container wide reshapes
+ */
+ start_reshape = (content->reshape_active &&
+ !((content->reshape_active == CONTAINER_RESHAPE) &&
+ (content->array.state & (1<<MD_SB_BLOCK_CONTAINER_RESHAPE))));
+
+ /* Block subarray here if it is under reshape now
+ * Do not allow for any changes in this array
+ */
+ if (st->ss->external && content->recovery_blocked && start_reshape)
+ block_subarray(content);
+
if (sra)
sysfs_free(sra);
-
+ old_raid_disks = content->array.raid_disks - content->delta_disks;
for (dev = content->devs; dev; dev = dev->next)
- if (sysfs_add_disk(content, dev, 1) == 0)
- working++;
- else if (errno == EEXIST)
+ if (sysfs_add_disk(content, dev, 1) == 0) {
+ if (dev->disk.raid_disk >= old_raid_disks &&
+ content->reshape_active)
+ expansion++;
+ else
+ working++;
+ } else if (errno == EEXIST)
preexist++;
- if (working == 0) {
- close(mdfd);
+ if (working + expansion == 0)
return 1;/* Nothing new, don't try to start */
- }
-
+
map_update(&map, fd2devnum(mdfd),
content->text_version,
content->uuid, chosen_name);
if (runstop > 0 ||
- (working + preexist) >= content->array.working_disks) {
+ (working + preexist + expansion) >=
+ content->array.working_disks) {
int err;
- switch(content->array.level) {
+ if (start_reshape) {
+ int spare = content->array.raid_disks + expansion;
+ if (restore_backup(st, content,
+ working,
+ spare, backup_file, 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_dev))
+ start_mdmon(st->container_dev);
+ ping_monitor_by_id(st->container_dev);
+ if (mdmon_running(st->container_dev) &&
+ st->update_tail == NULL)
+ st->update_tail = &st->updates;
+ }
+
+ err = Grow_continue(mdfd, st, content, backup_file,
+ freeze_reshape);
+ } else switch(content->array.level) {
case LEVEL_LINEAR:
case LEVEL_MULTIPATH:
case 0:
err = sysfs_set_str(content, NULL, "array_state",
- "active");
+ readonly ? "readonly" : "active");
break;
default:
err = sysfs_set_str(content, NULL, "array_state",
if (!err) {
if (!mdmon_running(st->container_dev))
start_mdmon(st->container_dev);
- ping_monitor(devnum2devname(st->container_dev));
+ ping_monitor_by_id(st->container_dev);
}
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 (verbose >= 0) {
if (err)
- fprintf(stderr, Name
- ": array %s now has %d devices",
- chosen_name, working + preexist);
+ pr_err("array %s now has %d device%s",
+ chosen_name, working + preexist,
+ working + preexist == 1 ? "":"s");
else
- fprintf(stderr, Name
- ": Started %s with %d devices",
- chosen_name, working + preexist);
+ 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);
- close(mdfd);
- return 0;
+ return err;
/* FIXME should have an O_EXCL and wait for read-auto */
} else {
- if (verbose >= 0)
- fprintf(stderr, Name
- ": %s assembled with %d devices but "
- "not started\n",
- chosen_name, working);
- close(mdfd);
+ if (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");
+ }
return 1;
}
}