#include "md_p.h"
#include "md_u.h"
#include <sys/wait.h>
-#include <sys/signal.h>
-#include <values.h>
+#include <signal.h>
+#include <limits.h>
#include <syslog.h>
static void alert(char *event, char *dev, char *disc, char *mailaddr, char *mailfrom,
char *cmd, int dosyslog);
-static char *percentalerts[] = {
+static char *percentalerts[] = {
"RebuildStarted",
"Rebuild20",
"Rebuild40",
return 1;
}
close(0);
- open("/dev/null", 3);
+ open("/dev/null", O_RDWR);
dup2(0,1);
dup2(0,2);
setsid();
if (devlist == NULL) {
mddev_ident_t mdlist = conf_get_ident(NULL);
for (; mdlist; mdlist=mdlist->next) {
- struct state *st = malloc(sizeof *st);
+ struct state *st;
+ if (mdlist->devname == NULL)
+ continue;
+ st = malloc(sizeof *st);
if (st == NULL)
continue;
st->devname = strdup(mdlist->devname);
st->utime = 0;
st->next = statelist;
st->err = 0;
- st->devnum = MAXINT;
+ st->devnum = INT_MAX;
st->percent = -2;
st->expected_spares = mdlist->spare_disks;
if (mdlist->spare_group)
st->utime = 0;
st->next = statelist;
st->err = 0;
- st->devnum = MAXINT;
+ st->devnum = INT_MAX;
st->percent = -2;
st->expected_spares = -1;
st->spare_group = NULL;
*/ 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,
close(fd);
continue;
}
- if (array.level != 1 && array.level != 5 && array.level != -4 &&
- array.level != 6 && array.level != 10) {
+ /* 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);
close(fd);
continue;
}
- if (st->devnum == MAXINT) {
+ if (st->devnum == INT_MAX) {
struct stat stb;
if (fstat(fd, &stb) == 0 &&
(S_IFMT&stb.st_mode)==S_IFBLK) {
for (mse2 = mdstat ; mse2 ; mse2=mse2->next)
if (mse2->devnum == st->devnum) {
- mse2->devnum = MAXINT; /* flag it as "used" */
+ mse2->devnum = INT_MAX; /* flag it as "used" */
mse = mse2;
}
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)
+ st->expected_spares > 0 &&
+ array.spare_disks < st->expected_spares)
alert("SparesMissing", dev, NULL, mailaddr, mailfrom, alert_cmd, dosyslog);
if (mse &&
- st->percent == -1 &&
+ st->percent == -1 &&
mse->percent >= 0)
alert("RebuildStarted", dev, NULL, mailaddr, mailfrom, alert_cmd, dosyslog);
if (mse &&
* If there is a number in /mismatch_cnt,
* we should report that.
*/
- struct sysarray *sra =
+ struct mdinfo *sra =
sysfs_read(-1, st->devnum, GET_MISMATCH);
if (sra && sra->mismatch_cnt > 0) {
char cnt[40];
/* 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 != MAXINT &&
- (strcmp(mse->level, "raid1")==0 ||
- strcmp(mse->level, "raid5")==0 ||
- strcmp(mse->level, "multipath")==0)
+ for (mse=mdstat; mse; mse=mse->next)
+ if (mse->devnum != INT_MAX &&
+ mse->level &&
+ (strcmp(mse->level, "raid0")!=0 &&
+ strcmp(mse->level, "linear")!=0)
) {
struct state *st = malloc(sizeof *st);
mdu_array_info_t array;
st->spare_group = NULL;
st->expected_spares = -1;
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 (dev > 0) {
- if (ioctl(fd2, HOT_REMOVE_DISK,
+ if (ioctl(fd2, HOT_REMOVE_DISK,
(unsigned long)dev) == 0) {
if (ioctl(fd1, HOT_ADD_DISK,
(unsigned long)dev) == 0) {
if (!cmd && !mailaddr) {
time_t now = time(0);
-
+
printf("%1.15s: %s on %s %s\n", ctime(&now)+4, event, dev, disc?disc:"unknown device");
}
if (cmd) {
exit(2);
}
}
- if (mailaddr &&
- (strncmp(event, "Fail", 4)==0 ||
+ if (mailaddr &&
+ (strncmp(event, "Fail", 4)==0 ||
strncmp(event, "Test", 4)==0 ||
strncmp(event, "Spares", 6)==0 ||
strncmp(event, "Degrade", 7)==0)) {
strerror(errno));
return 2;
}
- if (major(stb.st_rdev) == MD_MAJOR)
- devnum = minor(stb.st_rdev);
- else
- devnum = -1-(minor(stb.st_rdev)/64);
+ devnum = stat2devnum(&stb);
while(1) {
struct mdstat_ent *ms = mdstat_read(1, 0);
break;
if (!e || e->percent < 0) {
+ 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(devnum2devname(devnum));
+ }
free_mdstat(ms);
return rv;
}
- free(ms);
+ free_mdstat(ms);
rv = 0;
mdstat_wait(5);
}
}
+
+static char *clean_states[] = {
+ "clear", "inactive", "readonly", "read-auto", "clean", NULL };
+
+int WaitClean(char *dev, int verbose)
+{
+ int fd;
+ struct mdinfo *mdi;
+ int rv = 1;
+ int devnum;
+
+ fd = open(dev, O_RDONLY);
+ if (fd < 0) {
+ if (verbose)
+ fprintf(stderr, Name ": 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);
+ if (!mdi) {
+ if (verbose)
+ fprintf(stderr, Name ": Failed to read sysfs attributes for "
+ "%s\n", dev);
+ close(fd);
+ return 0;
+ }
+
+ switch(mdi->array.level) {
+ case LEVEL_LINEAR:
+ case LEVEL_MULTIPATH:
+ case 0:
+ /* safemode delay is irrelevant for these levels */
+ rv = 0;
+
+ }
+
+ /* for internal metadata the kernel handles the final clean
+ * transition, containers can never be dirty
+ */
+ if (!is_subarray(mdi->text_version))
+ rv = 0;
+
+ /* safemode disabled ? */
+ if (mdi->safe_mode_delay == 0)
+ rv = 0;
+
+ if (rv) {
+ int state_fd = sysfs_open(fd2devnum(fd), NULL, "array_state");
+ char buf[20];
+ fd_set fds;
+ struct timeval tm;
+
+ /* 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;
+
+ /* give mdmon a chance to checkpoint resync */
+ sysfs_set_str(mdi, NULL, "sync_action", "idle");
+
+ FD_ZERO(&fds);
+
+ /* wait for array_state to be clean */
+ while (1) {
+ rv = read(state_fd, buf, sizeof(buf));
+ if (rv < 0)
+ break;
+ if (sysfs_match_word(buf, clean_states) <= 4)
+ break;
+ FD_SET(state_fd, &fds);
+ rv = select(state_fd + 1, &fds, NULL, NULL, &tm);
+ if (rv < 0 && errno != EINTR)
+ break;
+ lseek(state_fd, 0, SEEK_SET);
+ }
+ if (rv < 0)
+ rv = 1;
+ else if (ping_monitor(mdi->text_version) == 0) {
+ /* we need to ping to close the window between array
+ * state transitioning to clean and the metadata being
+ * marked clean
+ */
+ rv = 0;
+ } else
+ rv = 1;
+ if (rv && verbose)
+ fprintf(stderr, Name ": Error waiting for %s to be clean\n",
+ dev);
+
+ /* restore the original safe_mode_delay */
+ sysfs_set_safemode(mdi, mdi->safe_mode_delay);
+ close(state_fd);
+ }
+
+ sysfs_free(mdi);
+ close(fd);
+
+ return rv;
+}
+
+
projects / thirdparty / mdadm.git / blobdiff