#include <limits.h>
#include <syslog.h>
-static void alert(char *event, char *dev, char *disc, char *mailaddr, char *mailfrom,
- char *cmd, int dosyslog);
-
/* The largest number of disks current arrays can manage is 384
* This really should be dynamically, but that will have to wait
* At least it isn't MD_SB_DISKS.
*/
#define MaxDisks 384
+struct state {
+ char *devname;
+ int devnum; /* to sync with mdstat info */
+ long utime;
+ int err;
+ char *spare_group;
+ int active, working, failed, spare, raid;
+ int expected_spares;
+ int devstate[MaxDisks];
+ unsigned devid[MaxDisks];
+ int percent;
+ int parent_dev; /* For subarray, devnum of parent.
+ * For others, NoMdDev
+ */
+ struct supertype *metadata;
+ struct state *next;
+};
+
+static int make_daemon(char *pidfile);
+static int check_one_sharer(int scan);
+static void alert(char *event, char *dev, char *disc, char *mailaddr, char *mailfrom,
+ char *cmd, int dosyslog);
+static void check_array(struct state *st, struct mdstat_ent *mdstat,
+ int test, char *mailaddr,
+ char *mailfrom, char *alert_cmd, int dosyslog,
+ int increments);
+static int add_new_arrays(struct mdstat_ent *mdstat, struct state *statelist,
+ int test, char *mailaddr, char *mailfrom,
+ char *alert_cmd, int dosyslog);
+static void try_spare_migration(struct state *statelist,
+ char *mailaddr, char *mailfrom,
+ char *alert_cmd, int dosyslog);
+
int Monitor(struct mddev_dev *devlist,
char *mailaddr, char *alert_cmd,
int period, int daemonise, int scan, int oneshot,
* that appears in /proc/mdstat
*/
- struct state {
- char *devname;
- int devnum; /* to sync with mdstat info */
- long utime;
- int err;
- char *spare_group;
- int active, working, failed, spare, raid;
- int expected_spares;
- int devstate[MaxDisks];
- unsigned devid[MaxDisks];
- int percent;
- int parent_dev; /* For subarray, devnum of parent.
- * For others, NoMdDev
- */
- struct supertype *metadata;
- struct state *next;
- } *statelist = NULL;
+ struct state *statelist = NULL;
int finished = 0;
struct mdstat_ent *mdstat = NULL;
char *mailfrom = NULL;
return 1;
}
- if (daemonise) {
- int pid = fork();
- if (pid > 0) {
- if (!pidfile)
- printf("%d\n", pid);
- else {
- FILE *pid_file;
- pid_file=fopen(pidfile, "w");
- if (!pid_file)
- perror("cannot create pid file");
- else {
- fprintf(pid_file,"%d\n", pid);
- fclose(pid_file);
- }
- }
- return 0;
- }
- if (pid < 0) {
- perror("daemonise");
+ if (daemonise)
+ if (make_daemon(pidfile))
return 1;
- }
- close(0);
- open("/dev/null", O_RDWR);
- dup2(0,1);
- dup2(0,2);
- setsid();
- }
- if (share) {
- int pid, rv;
- FILE *fp;
- char dir[20];
- struct stat buf;
- fp = fopen("/var/run/mdadm/autorebuild.pid", "r");
- if (fp) {
- fscanf(fp, "%d", &pid);
- sprintf(dir, "/proc/%d", pid);
- rv = stat(dir, &buf);
- if (rv != -1) {
- if (scan) {
- fprintf(stderr, Name ": Only one "
- "autorebuild process allowed"
- " in scan mode, aborting\n");
- fclose(fp);
- return 1;
- } else {
- fprintf(stderr, Name ": Warning: One"
- " autorebuild process already"
- " running.");
- }
- }
- fclose(fp);
- }
- if (scan) {
- fp = fopen("/var/run/mdadm/autorebuild.pid", "w");
- if (!fp)
- fprintf(stderr, Name ": Cannot create"
- " autorebuild.pid "
- "file\n");
- else {
- pid = getpid();
- fprintf(fp, "%d\n", pid);
- fclose(fp);
- }
- }
- }
+ if (share)
+ if (check_one_sharer(scan))
+ return 1;
if (devlist == NULL) {
struct mddev_ident *mdlist = conf_get_ident(NULL);
free_mdstat(mdstat);
mdstat = mdstat_read(oneshot?0:1, 0);
- for (st=statelist; st; st=st->next) {
- struct { int state, major, minor; } info[MaxDisks];
- mdu_array_info_t array;
- struct mdstat_ent *mse = NULL, *mse2;
- char *dev = st->devname;
- int fd;
- int i;
-
- if (test)
- alert("TestMessage", dev, NULL, mailaddr, mailfrom, alert_cmd, dosyslog);
- fd = open(dev, O_RDONLY);
- if (fd < 0) {
- if (!st->err)
- alert("DeviceDisappeared", dev, NULL,
- mailaddr, mailfrom, alert_cmd, dosyslog);
-/* fprintf(stderr, Name ": cannot open %s: %s\n",
- dev, strerror(errno));
-*/ st->err=1;
- continue;
- }
- fcntl(fd, F_SETFD, FD_CLOEXEC);
- if (ioctl(fd, GET_ARRAY_INFO, &array)<0) {
- if (!st->err)
- alert("DeviceDisappeared", dev, NULL,
- mailaddr, mailfrom, alert_cmd, dosyslog);
-/* fprintf(stderr, Name ": cannot get array info for %s: %s\n",
- dev, strerror(errno));
-*/ st->err=1;
- close(fd);
- continue;
- }
- /* It's much easier to list what array levels can't
- * 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",
- mailaddr, mailfrom, alert_cmd, dosyslog);
- st->err = 1;
- close(fd);
- continue;
- }
- 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);
- }
- }
-
- for (mse2 = mdstat ; mse2 ; mse2=mse2->next)
- if (mse2->devnum == st->devnum) {
- mse2->devnum = INT_MAX; /* flag it as "used" */
- mse = mse2;
- }
-
- if (!mse) {
- /* duplicated array in statelist
- * or re-created after reading mdstat*/
- st->err = 1;
- close(fd);
- continue;
- }
- /* this array is in /proc/mdstat */
- if (array.utime == 0)
- /* external arrays don't update utime, so
- * just make sure it is always different. */
- array.utime = st->utime + 1;;
-
- if (st->utime == array.utime &&
- st->failed == array.failed_disks &&
- st->working == array.working_disks &&
- st->spare == array.spare_disks &&
- (mse == NULL || (
- mse->percent == st->percent
- ))) {
- close(fd);
- st->err = 0;
- continue;
- }
- if (st->utime == 0 && /* new array */
- mse->pattern && strchr(mse->pattern, '_') /* degraded */
- )
- alert("DegradedArray", dev, NULL, mailaddr, mailfrom, alert_cmd, dosyslog);
-
- if (st->utime == 0 && /* new array */
- st->expected_spares > 0 &&
- array.spare_disks < st->expected_spares)
- alert("SparesMissing", dev, NULL, mailaddr, mailfrom, alert_cmd, dosyslog);
- if (st->percent == -1 &&
- mse->percent >= 0)
- alert("RebuildStarted", dev, NULL, mailaddr, mailfrom, alert_cmd, dosyslog);
- if (st->percent >= 0 &&
- mse->percent >= 0 &&
- (mse->percent / increments) > (st->percent / increments)) {
- char percentalert[15]; // "RebuildNN" (10 chars) or "RebuildStarted" (15 chars)
-
- if((mse->percent / increments) == 0)
- snprintf(percentalert, sizeof(percentalert), "RebuildStarted");
- else
- snprintf(percentalert, sizeof(percentalert), "Rebuild%02d", mse->percent);
-
- alert(percentalert,
- dev, NULL, mailaddr, mailfrom, alert_cmd, dosyslog);
- }
-
- if (mse->percent == -1 &&
- st->percent >= 0) {
- /* Rebuild/sync/whatever just finished.
- * If there is a number in /mismatch_cnt,
- * we should report that.
- */
- struct mdinfo *sra =
- sysfs_read(-1, st->devnum, GET_MISMATCH);
- if (sra && sra->mismatch_cnt > 0) {
- char cnt[40];
- sprintf(cnt, " mismatches found: %d", sra->mismatch_cnt);
- alert("RebuildFinished", dev, cnt, mailaddr, mailfrom, alert_cmd, dosyslog);
- } else
- alert("RebuildFinished", dev, NULL, mailaddr, mailfrom, alert_cmd, dosyslog);
- if (sra)
- free(sra);
- }
- st->percent = mse->percent;
-
- for (i=0; i<MaxDisks && i <= array.raid_disks + array.nr_disks;
- i++) {
- mdu_disk_info_t disc;
- disc.number = i;
- if (ioctl(fd, GET_DISK_INFO, &disc) >= 0) {
- info[i].state = disc.state;
- info[i].major = disc.major;
- info[i].minor = disc.minor;
- } else
- info[i].major = info[i].minor = 0;
- }
-
- if (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;
- if (st->metadata == NULL &&
- st->parent_dev == NoMdDev)
- st->metadata = super_by_fd(fd, NULL);
-
- close(fd);
-
- for (i=0; i<MaxDisks; i++) {
- mdu_disk_info_t disc = {0,0,0,0,0};
- int newstate=0;
- int change;
- char *dv = NULL;
- disc.number = i;
- if (i > array.raid_disks + array.nr_disks) {
- newstate = 0;
- disc.major = disc.minor = 0;
- } else if (info[i].major || info[i].minor) {
- newstate = info[i].state;
- dv = map_dev(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 = 0; break;
- }
- disc.major = disc.minor = 0;
- }
- if (dv == NULL && st->devid[i])
- dv = map_dev(major(st->devid[i]),
- minor(st->devid[i]), 1);
- 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)))
- )
- alert("Fail", dev, dv, mailaddr, mailfrom, alert_cmd, dosyslog);
- else if (i >= array.raid_disks &&
- (disc.major || disc.minor) &&
- st->devid[i] == makedev(disc.major, disc.minor) &&
- ((newstate&change)&(1<<MD_DISK_FAULTY))
- )
- alert("FailSpare", dev, dv, mailaddr, mailfrom, alert_cmd, dosyslog);
- 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)))
- )
- alert("SpareActive", dev, dv, mailaddr, mailfrom, alert_cmd, dosyslog);
- }
- st->devstate[i] = newstate;
- st->devid[i] = makedev(disc.major, disc.minor);
- }
- st->active = array.active_disks;
- st->working = array.working_disks;
- st->spare = array.spare_disks;
- st->failed = array.failed_disks;
- st->utime = array.utime;
- st->raid = array.raid_disks;
- st->err = 0;
- }
+ for (st=statelist; st; st=st->next)
+ check_array(st, mdstat, test, mailaddr, mailfrom,
+ alert_cmd, dosyslog, increments);
+
/* now check if there are any new devices found in mdstat */
- if (scan) {
- struct mdstat_ent *mse;
- for (mse=mdstat; mse; mse=mse->next)
- if (mse->devnum != INT_MAX &&
- (!mse->level || /* retrieve containers */
- (strcmp(mse->level, "raid0") != 0 &&
- strcmp(mse->level, "linear") != 0))
- ) {
- struct state *st = malloc(sizeof *st);
- mdu_array_info_t array;
- int fd;
- if (st == NULL)
- continue;
- st->devname = strdup(get_md_name(mse->devnum));
- if ((fd = open(st->devname, O_RDONLY)) < 0 ||
- ioctl(fd, GET_ARRAY_INFO, &array)< 0) {
- /* no such array */
- if (fd >=0) close(fd);
- put_md_name(st->devname);
- free(st->devname);
- if (st->metadata) {
- st->metadata->ss->free_super(st->metadata);
- free(st->metadata);
- }
- free(st);
- continue;
- }
- close(fd);
- st->utime = 0;
- st->next = statelist;
- st->err = 1;
- st->devnum = mse->devnum;
- st->percent = -2;
- st->spare_group = NULL;
- st->expected_spares = -1;
- if (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;
- st->metadata = NULL;
- statelist = st;
- if (test)
- alert("TestMessage", st->devname, NULL, mailaddr, mailfrom, alert_cmd, dosyslog);
- alert("NewArray", st->devname, NULL, mailaddr, mailfrom, alert_cmd, dosyslog);
- new_found = 1;
- }
- }
+ if (scan)
+ new_found = add_new_arrays(mdstat, statelist, test,
+ mailaddr, mailfrom, alert_cmd,
+ dosyslog);
+
/* If an array has active < raid && spare == 0 && spare_group != NULL
* Look for another array with spare > 0 and active == raid and same spare_group
* if found, choose a device and hotremove/hotadd
*/
- if (share) for (st = statelist; st; st=st->next)
- if (st->active < st->raid &&
- st->spare == 0 &&
- st->spare_group != NULL) {
- struct state *st2;
- for (st2=statelist ; st2 ; st2=st2->next)
- if (st2 != st &&
- st2->spare > 0 &&
- st2->active == st2->raid &&
- st2->spare_group != NULL &&
- strcmp(st->spare_group, st2->spare_group) == 0) {
- /* try to remove and add */
- int fd1 = open(st->devname, O_RDONLY);
- int fd2 = open(st2->devname, O_RDONLY);
- int dev = -1;
- int d;
- if (fd1 < 0 || fd2 < 0) {
- if (fd1>=0) close(fd1);
- if (fd2>=0) close(fd2);
- continue;
- }
- for (d=st2->raid; d < MaxDisks; d++) {
- if (st2->devid[d] > 0 &&
- st2->devstate[d] == 0) {
- dev = st2->devid[d];
- break;
- }
- }
- if (dev > 0) {
- struct mddev_dev devlist;
- char devname[20];
- devlist.next = NULL;
- devlist.used = 0;
- devlist.re_add = 0;
- devlist.writemostly = 0;
- devlist.devname = devname;
- sprintf(devname, "%d:%d", major(dev), minor(dev));
-
- devlist.disposition = 'r';
- if (Manage_subdevs(st2->devname, fd2, &devlist, -1, 0) == 0) {
- devlist.disposition = 'a';
- if (Manage_subdevs(st->devname, fd1, &devlist, -1, 0) == 0) {
- alert("MoveSpare", st->devname, st2->devname, mailaddr, mailfrom, alert_cmd, dosyslog);
- close(fd1);
- close(fd2);
- break;
- }
- else Manage_subdevs(st2->devname, fd2, &devlist, -1, 0);
- }
- }
- close(fd1);
- close(fd2);
- }
- }
+ if (share)
+ try_spare_migration(statelist, mailaddr, mailfrom,
+ alert_cmd, dosyslog);
if (!new_found) {
if (oneshot)
break;
return 0;
}
+static int make_daemon(char *pidfile)
+{
+ int pid = fork();
+ if (pid > 0) {
+ if (!pidfile)
+ printf("%d\n", pid);
+ else {
+ FILE *pid_file;
+ pid_file=fopen(pidfile, "w");
+ if (!pid_file)
+ perror("cannot create pid file");
+ else {
+ fprintf(pid_file,"%d\n", pid);
+ fclose(pid_file);
+ }
+ }
+ return 0;
+ }
+ if (pid < 0) {
+ perror("daemonise");
+ return 1;
+ }
+ close(0);
+ open("/dev/null", O_RDWR);
+ dup2(0,1);
+ dup2(0,2);
+ setsid();
+ return 0;
+}
+
+static int check_one_sharer(int scan)
+{
+ int pid, rv;
+ FILE *fp;
+ char dir[20];
+ struct stat buf;
+ fp = fopen("/var/run/mdadm/autorebuild.pid", "r");
+ if (fp) {
+ fscanf(fp, "%d", &pid);
+ sprintf(dir, "/proc/%d", pid);
+ rv = stat(dir, &buf);
+ if (rv != -1) {
+ if (scan) {
+ fprintf(stderr, Name ": Only one "
+ "autorebuild process allowed"
+ " in scan mode, aborting\n");
+ fclose(fp);
+ return 1;
+ } else {
+ fprintf(stderr, Name ": Warning: One"
+ " autorebuild process already"
+ " running.");
+ }
+ }
+ fclose(fp);
+ }
+ if (scan) {
+ fp = fopen("/var/run/mdadm/autorebuild.pid", "w");
+ if (!fp)
+ fprintf(stderr, Name ": Cannot create"
+ " autorebuild.pid "
+ "file\n");
+ else {
+ pid = getpid();
+ fprintf(fp, "%d\n", pid);
+ fclose(fp);
+ }
+ }
+ return 0;
+}
static void alert(char *event, char *dev, char *disc, char *mailaddr, char *mailfrom, char *cmd,
int dosyslog)
}
}
+static void check_array(struct state *st, struct mdstat_ent *mdstat,
+ int test, char *mailaddr,
+ char *mailfrom, char *alert_cmd, int dosyslog,
+ int increments)
+{
+ struct { int state, major, minor; } info[MaxDisks];
+ mdu_array_info_t array;
+ struct mdstat_ent *mse = NULL, *mse2;
+ char *dev = st->devname;
+ int fd;
+ int i;
+
+ if (test)
+ alert("TestMessage", dev, NULL, mailaddr, mailfrom, alert_cmd, dosyslog);
+ fd = open(dev, O_RDONLY);
+ if (fd < 0) {
+ if (!st->err)
+ alert("DeviceDisappeared", dev, NULL,
+ mailaddr, mailfrom, alert_cmd, dosyslog);
+/* fprintf(stderr, Name ": cannot open %s: %s\n",
+ dev, strerror(errno));
+*/ st->err=1;
+ return;
+ }
+ fcntl(fd, F_SETFD, FD_CLOEXEC);
+ if (ioctl(fd, GET_ARRAY_INFO, &array)<0) {
+ if (!st->err)
+ alert("DeviceDisappeared", dev, NULL,
+ mailaddr, mailfrom, alert_cmd, dosyslog);
+/* fprintf(stderr, Name ": cannot get array info for %s: %s\n",
+ dev, strerror(errno));
+*/ st->err=1;
+ close(fd);
+ return;
+ }
+ /* It's much easier to list what array levels can't
+ * 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",
+ mailaddr, mailfrom, alert_cmd, dosyslog);
+ st->err = 1;
+ close(fd);
+ return;
+ }
+ 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);
+ }
+ }
+
+ for (mse2 = mdstat ; mse2 ; mse2=mse2->next)
+ if (mse2->devnum == st->devnum) {
+ mse2->devnum = INT_MAX; /* flag it as "used" */
+ mse = mse2;
+ }
+
+ if (!mse) {
+ /* duplicated array in statelist
+ * or re-created after reading mdstat*/
+ st->err = 1;
+ close(fd);
+ return;
+ }
+ /* this array is in /proc/mdstat */
+ if (array.utime == 0)
+ /* external arrays don't update utime, so
+ * just make sure it is always different. */
+ array.utime = st->utime + 1;;
+
+ if (st->utime == array.utime &&
+ st->failed == array.failed_disks &&
+ st->working == array.working_disks &&
+ st->spare == array.spare_disks &&
+ (mse == NULL || (
+ mse->percent == st->percent
+ ))) {
+ close(fd);
+ st->err = 0;
+ return;
+ }
+ if (st->utime == 0 && /* new array */
+ mse->pattern && strchr(mse->pattern, '_') /* degraded */
+ )
+ alert("DegradedArray", dev, NULL, mailaddr, mailfrom, alert_cmd, dosyslog);
+
+ if (st->utime == 0 && /* new array */
+ st->expected_spares > 0 &&
+ array.spare_disks < st->expected_spares)
+ alert("SparesMissing", dev, NULL, mailaddr, mailfrom, alert_cmd, dosyslog);
+ if (st->percent == -1 &&
+ mse->percent >= 0)
+ alert("RebuildStarted", dev, NULL, mailaddr, mailfrom, alert_cmd, dosyslog);
+ if (st->percent >= 0 &&
+ mse->percent >= 0 &&
+ (mse->percent / increments) > (st->percent / increments)) {
+ char percentalert[15]; // "RebuildNN" (10 chars) or "RebuildStarted" (15 chars)
+
+ if((mse->percent / increments) == 0)
+ snprintf(percentalert, sizeof(percentalert), "RebuildStarted");
+ else
+ snprintf(percentalert, sizeof(percentalert), "Rebuild%02d", mse->percent);
+
+ alert(percentalert,
+ dev, NULL, mailaddr, mailfrom, alert_cmd, dosyslog);
+ }
+
+ if (mse->percent == -1 &&
+ st->percent >= 0) {
+ /* Rebuild/sync/whatever just finished.
+ * If there is a number in /mismatch_cnt,
+ * we should report that.
+ */
+ struct mdinfo *sra =
+ sysfs_read(-1, st->devnum, GET_MISMATCH);
+ if (sra && sra->mismatch_cnt > 0) {
+ char cnt[40];
+ sprintf(cnt, " mismatches found: %d", sra->mismatch_cnt);
+ alert("RebuildFinished", dev, cnt, mailaddr, mailfrom, alert_cmd, dosyslog);
+ } else
+ alert("RebuildFinished", dev, NULL, mailaddr, mailfrom, alert_cmd, dosyslog);
+ if (sra)
+ free(sra);
+ }
+ st->percent = mse->percent;
+
+ for (i=0; i<MaxDisks && i <= array.raid_disks + array.nr_disks;
+ i++) {
+ mdu_disk_info_t disc;
+ disc.number = i;
+ if (ioctl(fd, GET_DISK_INFO, &disc) >= 0) {
+ info[i].state = disc.state;
+ info[i].major = disc.major;
+ info[i].minor = disc.minor;
+ } else
+ info[i].major = info[i].minor = 0;
+ }
+
+ if (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;
+ if (st->metadata == NULL &&
+ st->parent_dev == NoMdDev)
+ st->metadata = super_by_fd(fd, NULL);
+
+ close(fd);
+
+ for (i=0; i<MaxDisks; i++) {
+ mdu_disk_info_t disc = {0,0,0,0,0};
+ int newstate=0;
+ int change;
+ char *dv = NULL;
+ disc.number = i;
+ if (i > array.raid_disks + array.nr_disks) {
+ newstate = 0;
+ disc.major = disc.minor = 0;
+ } else if (info[i].major || info[i].minor) {
+ newstate = info[i].state;
+ dv = map_dev(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 = 0; break;
+ }
+ disc.major = disc.minor = 0;
+ }
+ if (dv == NULL && st->devid[i])
+ dv = map_dev(major(st->devid[i]),
+ minor(st->devid[i]), 1);
+ 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)))
+ )
+ alert("Fail", dev, dv, mailaddr, mailfrom, alert_cmd, dosyslog);
+ else if (i >= array.raid_disks &&
+ (disc.major || disc.minor) &&
+ st->devid[i] == makedev(disc.major, disc.minor) &&
+ ((newstate&change)&(1<<MD_DISK_FAULTY))
+ )
+ alert("FailSpare", dev, dv, mailaddr, mailfrom, alert_cmd, dosyslog);
+ 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)))
+ )
+ alert("SpareActive", dev, dv, mailaddr, mailfrom, alert_cmd, dosyslog);
+ }
+ st->devstate[i] = newstate;
+ st->devid[i] = makedev(disc.major, disc.minor);
+ }
+ st->active = array.active_disks;
+ st->working = array.working_disks;
+ st->spare = array.spare_disks;
+ st->failed = array.failed_disks;
+ st->utime = array.utime;
+ st->raid = array.raid_disks;
+ st->err = 0;
+}
+
+static int add_new_arrays(struct mdstat_ent *mdstat, struct state *statelist,
+ int test, char *mailaddr, char *mailfrom,
+ char *alert_cmd, int dosyslog)
+{
+ struct mdstat_ent *mse;
+ int new_found = 0;
+
+ for (mse=mdstat; mse; mse=mse->next)
+ if (mse->devnum != INT_MAX &&
+ (!mse->level || /* retrieve containers */
+ (strcmp(mse->level, "raid0") != 0 &&
+ strcmp(mse->level, "linear") != 0))
+ ) {
+ struct state *st = malloc(sizeof *st);
+ mdu_array_info_t array;
+ int fd;
+ if (st == NULL)
+ continue;
+ st->devname = strdup(get_md_name(mse->devnum));
+ if ((fd = open(st->devname, O_RDONLY)) < 0 ||
+ ioctl(fd, GET_ARRAY_INFO, &array)< 0) {
+ /* no such array */
+ if (fd >=0) close(fd);
+ put_md_name(st->devname);
+ free(st->devname);
+ if (st->metadata) {
+ st->metadata->ss->free_super(st->metadata);
+ free(st->metadata);
+ }
+ free(st);
+ continue;
+ }
+ close(fd);
+ st->utime = 0;
+ st->next = statelist;
+ st->err = 1;
+ st->devnum = mse->devnum;
+ st->percent = -2;
+ st->spare_group = NULL;
+ st->expected_spares = -1;
+ if (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;
+ st->metadata = NULL;
+ statelist = st;
+ if (test)
+ alert("TestMessage", st->devname, NULL, mailaddr, mailfrom, alert_cmd, dosyslog);
+ alert("NewArray", st->devname, NULL, mailaddr, mailfrom, alert_cmd, dosyslog);
+ new_found = 1;
+ }
+ return new_found;
+}
+
+static void try_spare_migration(struct state *statelist,
+ char *mailaddr, char *mailfrom,
+ char *alert_cmd, int dosyslog)
+{
+ struct state *st;
+ for (st = statelist; st; st=st->next)
+ if (st->active < st->raid &&
+ st->spare == 0 &&
+ st->spare_group != NULL) {
+ struct state *st2;
+ for (st2=statelist ; st2 ; st2=st2->next)
+ if (st2 != st &&
+ st2->spare > 0 &&
+ st2->active == st2->raid &&
+ st2->spare_group != NULL &&
+ strcmp(st->spare_group, st2->spare_group) == 0) {
+ /* try to remove and add */
+ int fd1 = open(st->devname, O_RDONLY);
+ int fd2 = open(st2->devname, O_RDONLY);
+ int dev = -1;
+ int d;
+ if (fd1 < 0 || fd2 < 0) {
+ if (fd1>=0) close(fd1);
+ if (fd2>=0) close(fd2);
+ continue;
+ }
+ for (d=st2->raid; d < MaxDisks; d++) {
+ if (st2->devid[d] > 0 &&
+ st2->devstate[d] == 0) {
+ dev = st2->devid[d];
+ break;
+ }
+ }
+ if (dev > 0) {
+ struct mddev_dev devlist;
+ char devname[20];
+ devlist.next = NULL;
+ devlist.used = 0;
+ devlist.re_add = 0;
+ devlist.writemostly = 0;
+ devlist.devname = devname;
+ sprintf(devname, "%d:%d", major(dev), minor(dev));
+
+ devlist.disposition = 'r';
+ if (Manage_subdevs(st2->devname, fd2, &devlist, -1, 0) == 0) {
+ devlist.disposition = 'a';
+ if (Manage_subdevs(st->devname, fd1, &devlist, -1, 0) == 0) {
+ alert("MoveSpare", st->devname, st2->devname, mailaddr, mailfrom, alert_cmd, dosyslog);
+ close(fd1);
+ close(fd2);
+ break;
+ }
+ else Manage_subdevs(st2->devname, fd2, &devlist, -1, 0);
+ }
+ }
+ close(fd1);
+ close(fd2);
+ }
+ }
+}
/* Not really Monitor but ... */
int Wait(char *dev)
{
projects / thirdparty / mdadm.git / commitdiff
