struct state {
char *devname;
- int devnum; /* to sync with mdstat info */
+ char devnm[32]; /* to sync with mdstat info */
long utime;
int err;
char *spare_group;
int active, working, failed, spare, raid;
+ int from_config;
+ int from_auto;
int expected_spares;
int devstate[MAX_DISKS];
dev_t devid[MAX_DISKS];
int percent;
- int parent_dev; /* For subarray, devnum of parent.
- * For others, NoMdDev
- */
+ char parent_devnm[32]; /* For subarray, devnm of parent.
+ * For others, ""
+ */
struct supertype *metadata;
struct state *subarray;/* for a container it is a link to first subarray
* for a subarray it is a link to next subarray
int Monitor(struct mddev_dev *devlist,
char *mailaddr, char *alert_cmd,
- int period, int daemonise, int scan, int oneshot,
- int dosyslog, int test, char *pidfile, int increments,
- int share, char *prefer)
+ struct context *c,
+ int daemonise, int oneshot,
+ int dosyslog, char *pidfile, int increments,
+ int share)
{
/*
* Every few seconds, scan every md device looking for changes
if (!mailaddr) {
mailaddr = conf_get_mailaddr();
- if (mailaddr && ! scan)
- fprintf(stderr, Name ": Monitor using email address \"%s\" from config file\n",
+ if (mailaddr && ! c->scan)
+ pr_err("Monitor using email address \"%s\" from config file\n",
mailaddr);
}
mailfrom = conf_get_mailfrom();
if (!alert_cmd) {
alert_cmd = conf_get_program();
- if (alert_cmd && ! scan)
- fprintf(stderr, Name ": Monitor using program \"%s\" from config file\n",
+ if (alert_cmd && ! c->scan)
+ pr_err("Monitor using program \"%s\" from config file\n",
alert_cmd);
}
- if (scan && !mailaddr && !alert_cmd && !dosyslog) {
- fprintf(stderr, Name ": No mail address or alert command - not monitoring.\n");
+ if (c->scan && !mailaddr && !alert_cmd && !dosyslog) {
+ pr_err("No mail address or alert command - not monitoring.\n");
return 1;
}
info.alert_cmd = alert_cmd;
return rv;
}
- if (share)
- if (check_one_sharer(scan))
+ if (share)
+ if (check_one_sharer(c->scan))
return 1;
if (devlist == NULL) {
continue;
if (strcasecmp(mdlist->devname, "<ignore>") == 0)
continue;
- st = calloc(1, sizeof *st);
- if (st == NULL)
- continue;
+ st = xcalloc(1, sizeof *st);
if (mdlist->devname[0] == '/')
- st->devname = strdup(mdlist->devname);
+ st->devname = xstrdup(mdlist->devname);
else {
- st->devname = malloc(8+strlen(mdlist->devname)+1);
+ st->devname = xmalloc(8+strlen(mdlist->devname)+1);
strcpy(strcpy(st->devname, "/dev/md/"),
mdlist->devname);
}
st->next = statelist;
- st->devnum = INT_MAX;
+ st->devnm[0] = 0;
st->percent = RESYNC_UNKNOWN;
+ st->from_config = 1;
st->expected_spares = mdlist->spare_disks;
if (mdlist->spare_group)
- st->spare_group = strdup(mdlist->spare_group);
+ st->spare_group = xstrdup(mdlist->spare_group);
statelist = st;
}
} else {
struct mddev_dev *dv;
for (dv=devlist ; dv; dv=dv->next) {
struct mddev_ident *mdlist = conf_get_ident(dv->devname);
- struct state *st = calloc(1, sizeof *st);
- if (st == NULL)
- continue;
- st->devname = strdup(dv->devname);
+ struct state *st = xcalloc(1, sizeof *st);
+ st->devname = xstrdup(dv->devname);
st->next = statelist;
- st->devnum = INT_MAX;
+ st->devnm[0] = 0;
st->percent = RESYNC_UNKNOWN;
st->expected_spares = -1;
if (mdlist) {
st->expected_spares = mdlist->spare_disks;
if (mdlist->spare_group)
- st->spare_group = strdup(mdlist->spare_group);
+ st->spare_group = xstrdup(mdlist->spare_group);
}
statelist = st;
}
}
-
while (! finished) {
int new_found = 0;
- struct state *st;
+ struct state *st, **stp;
int anydegraded = 0;
if (mdstat)
mdstat = mdstat_read(oneshot?0:1, 0);
for (st=statelist; st; st=st->next)
- if (check_array(st, mdstat, test, &info,
- increments, prefer))
+ if (check_array(st, mdstat, c->test, &info,
+ increments, c->prefer))
anydegraded = 1;
-
+
/* now check if there are any new devices found in mdstat */
- if (scan)
- new_found = add_new_arrays(mdstat, &statelist, test,
+ if (c->scan)
+ new_found = add_new_arrays(mdstat, &statelist, c->test,
&info);
/* If an array has active < raid && spare == 0 && spare_group != NULL
if (oneshot)
break;
else
- mdstat_wait(period);
+ mdstat_wait(c->delay);
+ }
+ c->test = 0;
+
+ for (stp = &statelist; (st = *stp) != NULL; ) {
+ if (st->from_auto && st->err > 5) {
+ *stp = st->next;
+ free(st->devname);
+ free(st->spare_group);
+ free(st);
+ } else
+ stp = &st->next;
}
- test = 0;
}
for (st2 = statelist; st2; st2 = statelist) {
statelist = st2->next;
rv = stat(dir, &buf);
if (rv != -1) {
if (scan) {
- fprintf(stderr, Name ": Only one "
- "autorebuild process allowed"
- " in scan mode, aborting\n");
+ pr_err("Only one autorebuild process allowed in scan mode, aborting\n");
fclose(fp);
return 1;
} else {
- fprintf(stderr, Name ": Warning: One"
- " autorebuild process already"
- " running.\n");
+ pr_err("Warning: One autorebuild process already running.\n");
}
}
fclose(fp);
if (scan) {
if (mkdir(MDMON_DIR, S_IRWXU) < 0 &&
errno != EEXIST) {
- fprintf(stderr, Name ": Can't create "
- "autorebuild.pid file\n");
+ pr_err("Can't create autorebuild.pid file\n");
} else {
fp = fopen(path, "w");
if (!fp)
- fprintf(stderr, Name ": Cannot create"
- " autorebuild.pid"
- "file\n");
+ pr_err("Cannot create autorebuild.pidfile\n");
else {
pid = getpid();
fprintf(fp, "%d\n", pid);
if (info->mailfrom)
fprintf(mp, "From: %s\n", info->mailfrom);
else
- fprintf(mp, "From: " Name " monitoring <root>\n");
+ fprintf(mp, "From: %s monitoring <root>\n", Name);
fprintf(mp, "To: %s\n", info->mailaddr);
fprintf(mp, "Subject: %s event on %s:%s\n\n",
event, dev, hname);
fprintf(mp,
- "This is an automatically generated"
- " mail message from " Name "\n");
+ "This is an automatically generated mail message from %s\n", Name);
fprintf(mp, "running on %s\n\n", hname);
fprintf(mp,
- "A %s event had been detected on"
- " md device %s.\n\n", event, dev);
+ "A %s event had been detected on md device %s.\n\n", event, dev);
if (disc && disc[0] != ' ')
fprintf(mp,
- "It could be related to"
- " component device %s.\n\n", disc);
+ "It could be related to component device %s.\n\n", disc);
if (disc && disc[0] == ' ')
fprintf(mp, "Extra information:%s.\n\n", disc);
char buf[8192];
int n;
fprintf(mp,
- "\nP.S. The /proc/mdstat file"
- " currently contains the following:\n\n");
+ "\nP.S. The /proc/mdstat file currently contains the following:\n\n");
while ( (n=fread(buf, 1, sizeof(buf), mdstat)) > 0)
n=fwrite(buf, 1, n, mp);
fclose(mdstat);
else
priority = LOG_INFO;
- if (disc)
+ if (disc && disc[0] != ' ')
+ syslog(priority,
+ "%s event detected on md device %s, component device %s", event, dev, disc);
+ else if (disc)
syslog(priority,
- "%s event detected on md device %s,"
- " component device %s", event, dev, disc);
+ "%s event detected on md device %s: %s",
+ event, dev, disc);
else
syslog(priority,
"%s event detected on md device %s",
mdu_array_info_t array;
struct mdstat_ent *mse = NULL, *mse2;
char *dev = st->devname;
- int fd;
+ int fd = -1;
int i;
int remaining_disks;
int last_disk;
+ int new_array = 0;
if (test)
alert("TestMessage", dev, NULL, ainfo);
+ if (st->devnm[0])
+ fd = open("/sys/block", O_RDONLY|O_DIRECTORY);
+ if (fd >= 0) {
+ /* Don't open the device unless it is present and
+ * active in sysfs.
+ */
+ char buf[10];
+ close(fd);
+ fd = sysfs_open(st->devnm, NULL, "array_state");
+ if (fd < 0 ||
+ read(fd, buf, 10) < 5 ||
+ strncmp(buf,"clear",5) == 0 ||
+ strncmp(buf,"inact",5) == 0) {
+ if (fd >= 0)
+ close(fd);
+ fd = sysfs_open(st->devnm, NULL, "level");
+ if (fd < 0 || read(fd, buf, 10) != 0) {
+ if (fd >= 0)
+ close(fd);
+ if (!st->err)
+ alert("DeviceDisappeared", dev, NULL, ainfo);
+ st->err++;
+ return 0;
+ }
+ }
+ close(fd);
+ }
fd = open(dev, O_RDONLY);
if (fd < 0) {
if (!st->err)
alert("DeviceDisappeared", dev, NULL, ainfo);
- st->err=1;
+ st->err++;
return 0;
}
fcntl(fd, F_SETFD, FD_CLOEXEC);
if (ioctl(fd, GET_ARRAY_INFO, &array)<0) {
if (!st->err)
alert("DeviceDisappeared", dev, NULL, ainfo);
- st->err=1;
+ st->err++;
close(fd);
return 0;
}
* have a device disappear than all of them that can
*/
if (array.level == 0 || array.level == -1) {
- if (!st->err)
- alert("DeviceDisappeared", dev, "Wrong-Level", ainfo);
- st->err = 1;
+ if (!st->err && !st->from_config)
+ alert("DeviceDisappeared", dev, " Wrong-Level", ainfo);
+ st->err++;
close(fd);
return 0;
}
- if (st->devnum == INT_MAX) {
- struct stat stb;
- if (fstat(fd, &stb) == 0 &&
- (S_IFMT&stb.st_mode)==S_IFBLK) {
- if (major(stb.st_rdev) == MD_MAJOR)
- st->devnum = minor(stb.st_rdev);
- else
- st->devnum = -1- (minor(stb.st_rdev)>>6);
- }
- }
+ if (st->devnm[0] == 0)
+ strcpy(st->devnm, fd2devnm(fd));
for (mse2 = mdstat ; mse2 ; mse2=mse2->next)
- if (mse2->devnum == st->devnum) {
- mse2->devnum = INT_MAX; /* flag it as "used" */
+ if (strcmp(mse2->devnm, st->devnm) == 0) {
+ mse2->devnm[0] = 0; /* flag it as "used" */
mse = mse2;
}
if (!mse) {
/* duplicated array in statelist
* or re-created after reading mdstat*/
- st->err = 1;
+ st->err++;
close(fd);
return 0;
}
array.utime = st->utime + 1;;
if (st->err) {
- /* New array appeared where previously had and error */
+ /* New array appeared where previously had an error */
st->err = 0;
st->percent = RESYNC_NONE;
+ new_array = 1;
alert("NewArray", st->devname, NULL, ainfo);
}
* we should report that.
*/
struct mdinfo *sra =
- sysfs_read(-1, st->devnum, GET_MISMATCH);
+ sysfs_read(-1, st->devnm, GET_MISMATCH);
if (sra && sra->mismatch_cnt > 0) {
char cnt[80];
snprintf(cnt, sizeof(cnt),
if (mse->metadata_version &&
strncmp(mse->metadata_version, "external:", 9) == 0 &&
- is_subarray(mse->metadata_version+9))
- st->parent_dev =
- devname2devnum(mse->metadata_version+10);
- else
- st->parent_dev = NoMdDev;
+ is_subarray(mse->metadata_version+9)) {
+ char *sl;
+ strcpy(st->parent_devnm,
+ mse->metadata_version+10);
+ sl = strchr(st->parent_devnm, '/');
+ if (sl)
+ *sl = 0;
+ } else
+ st->parent_devnm[0] = 0;
if (st->metadata == NULL &&
- st->parent_dev == NoMdDev)
+ st->parent_devnm[0] == 0)
st->metadata = super_by_fd(fd, NULL);
close(fd);
int change;
char *dv = NULL;
disc.number = i;
- if (i >= last_disk) {
- newstate = 0;
- disc.major = disc.minor = 0;
- } else if (info[i].major || info[i].minor) {
+ if (i < last_disk &&
+ (info[i].major || info[i].minor)) {
newstate = info[i].state;
dv = map_dev_preferred(
info[i].major, info[i].minor, 1,
disc.state = newstate;
disc.major = info[i].major;
disc.minor = info[i].minor;
- } else if (mse && mse->pattern && i < (int)strlen(mse->pattern)) {
- switch(mse->pattern[i]) {
- case 'U': newstate = 6 /* ACTIVE/SYNC */; break;
- case '_': newstate = 8 /* REMOVED */; break;
- }
- disc.major = disc.minor = 0;
- }
+ } else
+ newstate = (1 << MD_DISK_REMOVED);
+
if (dv == NULL && st->devid[i])
dv = map_dev_preferred(
major(st->devid[i]),
minor(st->devid[i]), 1, prefer);
change = newstate ^ st->devstate[i];
- if (st->utime && change && !st->err) {
- if (i < array.raid_disks &&
- (((newstate&change)&(1<<MD_DISK_FAULTY)) ||
- ((st->devstate[i]&change)&(1<<MD_DISK_ACTIVE)) ||
- ((st->devstate[i]&change)&(1<<MD_DISK_SYNC)))
- )
+ if (st->utime && change && !st->err && !new_array) {
+ if ((st->devstate[i]&change)&(1<<MD_DISK_SYNC))
alert("Fail", dev, dv, ainfo);
- else if (i >= array.raid_disks &&
+ else if ((newstate & (1<<MD_DISK_FAULTY)) &&
(disc.major || disc.minor) &&
- st->devid[i] == makedev(disc.major, disc.minor) &&
- ((newstate&change)&(1<<MD_DISK_FAULTY))
- )
+ st->devid[i] == makedev(disc.major, disc.minor))
alert("FailSpare", dev, dv, ainfo);
- else if (i < array.raid_disks &&
- ! (newstate & (1<<MD_DISK_REMOVED)) &&
- (((st->devstate[i]&change)&(1<<MD_DISK_FAULTY)) ||
- ((newstate&change)&(1<<MD_DISK_ACTIVE)) ||
- ((newstate&change)&(1<<MD_DISK_SYNC)))
- )
+ else if ((newstate&change)&(1<<MD_DISK_SYNC))
alert("SpareActive", dev, dv, ainfo);
}
st->devstate[i] = newstate;
{
struct mdstat_ent *mse;
int new_found = 0;
+ char *name;
for (mse=mdstat; mse; mse=mse->next)
- if (mse->devnum != INT_MAX &&
+ if (mse->devnm[0] &&
(!mse->level || /* retrieve containers */
(strcmp(mse->level, "raid0") != 0 &&
strcmp(mse->level, "linear") != 0))
) {
- struct state *st = calloc(1, sizeof *st);
+ struct state *st = xcalloc(1, sizeof *st);
mdu_array_info_t array;
int fd;
- if (st == NULL)
+
+ name = get_md_name(mse->devnm);
+ if (!name) {
+ free(st);
continue;
- st->devname = strdup(get_md_name(mse->devnum));
+ }
+
+ st->devname = xstrdup(name);
if ((fd = open(st->devname, O_RDONLY)) < 0 ||
ioctl(fd, GET_ARRAY_INFO, &array)< 0) {
/* no such array */
close(fd);
st->next = *statelist;
st->err = 1;
- st->devnum = mse->devnum;
+ st->from_auto = 1;
+ strcpy(st->devnm, mse->devnm);
st->percent = RESYNC_UNKNOWN;
st->expected_spares = -1;
if (mse->metadata_version &&
strncmp(mse->metadata_version, "external:", 9) == 0 &&
- is_subarray(mse->metadata_version+9))
- st->parent_dev =
- devname2devnum(mse->metadata_version+10);
- else
- st->parent_dev = NoMdDev;
+ is_subarray(mse->metadata_version+9)) {
+ char *sl;
+ strcpy(st->parent_devnm,
+ mse->metadata_version+10);
+ sl = strchr(st->parent_devnm, '/');
+ *sl = 0;
+ } else
+ st->parent_devnm[0] = 0;
*statelist = st;
if (test)
alert("TestMessage", st->devname, NULL, info);
dev_size < min_size)
continue;
- pol = devnum_policy(from->devid[d]);
+ pol = devid_policy(from->devid[d]);
if (from->spare_group)
pol_add(&pol, pol_domain,
from->spare_group, NULL);
close(fd);
return 0;
}
-
+
err = st->ss->load_container(st, fd, NULL);
close(fd);
if (err)
return 0;
-
+
if (from == to) {
/* We must check if number of active disks has not increased
* since ioctl in main loop. mdmon may have added spare
return dev;
}
-
static void try_spare_migration(struct state *statelist, struct alert_info *info)
{
struct state *from;
struct state *to = st;
unsigned long long min_size;
- if (to->parent_dev != NoMdDev && !to->parent)
+ if (to->parent_devnm[0] && !to->parent)
/* subarray monitored without parent container
* we can't move spares here */
continue;
-
+
if (to->parent)
/* member of a container */
to = to->parent;
st->subarray = NULL;
}
for (st = list; st; st = st->next)
- if (st->parent_dev != NoMdDev)
+ if (st->parent_devnm[0])
for (cont = list; cont; cont = cont->next)
if (!cont->err &&
- cont->parent_dev == NoMdDev &&
- cont->devnum == st->parent_dev) {
+ cont->parent_devnm[0] == 0 &&
+ strcmp(cont->devnm, st->parent_devnm) == 0) {
st->parent = cont;
st->subarray = cont->subarray;
cont->subarray = st;
int Wait(char *dev)
{
struct stat stb;
- int devnum;
+ char devnm[32];
int rv = 1;
+ int frozen_remaining = 3;
if (stat(dev, &stb) != 0) {
- fprintf(stderr, Name ": Cannot find %s: %s\n", dev,
+ pr_err("Cannot find %s: %s\n", dev,
strerror(errno));
return 2;
}
- devnum = stat2devnum(&stb);
+ strcpy(devnm, stat2devnm(&stb));
while(1) {
struct mdstat_ent *ms = mdstat_read(1, 0);
struct mdstat_ent *e;
for (e=ms ; e; e=e->next)
- if (e->devnum == devnum)
+ if (strcmp(e->devnm, devnm) == 0)
break;
- if (!e || e->percent < 0) {
+ if (e && e->percent == RESYNC_NONE) {
+ /* We could be in the brief pause before something
+ * starts. /proc/mdstat doesn't show that, but
+ * sync_action does.
+ */
+ struct mdinfo mdi;
+ char buf[21];
+ sysfs_init(&mdi, -1, devnm);
+ if (sysfs_get_str(&mdi, NULL, "sync_action",
+ buf, 20) > 0 &&
+ strcmp(buf,"idle\n") != 0) {
+ e->percent = RESYNC_UNKNOWN;
+ if (strcmp(buf, "frozen\n") == 0) {
+ if (frozen_remaining == 0)
+ e->percent = RESYNC_NONE;
+ else
+ frozen_remaining -= 1;
+ }
+ }
+ }
+ if (!e || e->percent == RESYNC_NONE) {
if (e && e->metadata_version &&
strncmp(e->metadata_version, "external:", 9) == 0) {
if (is_subarray(&e->metadata_version[9]))
ping_monitor(&e->metadata_version[9]);
else
- ping_monitor_by_id(devnum);
+ ping_monitor(devnm);
}
free_mdstat(ms);
return rv;
int fd;
struct mdinfo *mdi;
int rv = 1;
- int devnum;
+ char devnm[32];
fd = open(dev, O_RDONLY);
if (fd < 0) {
if (verbose)
- fprintf(stderr, Name ": Couldn't open %s: %s\n", dev, strerror(errno));
+ pr_err("Couldn't open %s: %s\n", dev, strerror(errno));
return 1;
}
- devnum = fd2devnum(fd);
- mdi = sysfs_read(fd, devnum, GET_VERSION|GET_LEVEL|GET_SAFEMODE);
+ strcpy(devnm, fd2devnm(fd));
+ mdi = sysfs_read(fd, devnm, GET_VERSION|GET_LEVEL|GET_SAFEMODE);
if (!mdi) {
if (verbose)
- fprintf(stderr, Name ": Failed to read sysfs attributes for "
- "%s\n", dev);
+ pr_err("Failed to read sysfs attributes for %s\n", dev);
close(fd);
return 0;
}
rv = 0;
if (rv) {
- int state_fd = sysfs_open(fd2devnum(fd), NULL, "array_state");
+ int state_fd = sysfs_open(fd2devnm(fd), NULL, "array_state");
char buf[20];
- fd_set fds;
- struct timeval tm;
+ int delay = 5000;
/* minimize the safe_mode_delay and prepare to wait up to 5s
* for writes to quiesce
*/
sysfs_set_safemode(mdi, 1);
- tm.tv_sec = 5;
- tm.tv_usec = 0;
-
- FD_ZERO(&fds);
/* wait for array_state to be clean */
while (1) {
break;
if (sysfs_match_word(buf, clean_states) <= 4)
break;
- FD_SET(state_fd, &fds);
- rv = select(state_fd + 1, NULL, NULL, &fds, &tm);
+ rv = sysfs_wait(state_fd, &delay);
if (rv < 0 && errno != EINTR)
break;
lseek(state_fd, 0, SEEK_SET);
} else
rv = 1;
if (rv && verbose)
- fprintf(stderr, Name ": Error waiting for %s to be clean\n",
+ pr_err("Error waiting for %s to be clean\n",
dev);
/* restore the original safe_mode_delay */
projects / thirdparty / mdadm.git / blobdiff