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authorDimitri John Ledkov <xnox@debian.org>2015-11-08 11:48:28 +0000
committerDimitri John Ledkov <xnox@debian.org>2015-11-08 11:48:28 +0000
commit948fb73b04fa9b0f9a9e81e08040b79b65826a16 (patch)
tree596ca722473e5e56bdd137762ae60723b176c440 /Monitor.c
parent489bea7ee8e1dbecfa517b8415568044ab57c73a (diff)
New upstream release.
Diffstat (limited to 'Monitor.c')
-rw-r--r--Monitor.c94
1 files changed, 64 insertions, 30 deletions
diff --git a/Monitor.c b/Monitor.c
index 5cb24fa..f19c2e5 100644
--- a/Monitor.c
+++ b/Monitor.c
@@ -310,15 +310,11 @@ static int check_one_sharer(int scan)
rv = stat(dir, &buf);
if (rv != -1) {
if (scan) {
- pr_err("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 {
- pr_err("Warning: One"
- " autorebuild process already"
- " running.\n");
+ pr_err("Warning: One autorebuild process already running.\n");
}
}
fclose(fp);
@@ -326,14 +322,11 @@ static int check_one_sharer(int scan)
if (scan) {
if (mkdir(MDMON_DIR, S_IRWXU) < 0 &&
errno != EEXIST) {
- pr_err("Can't create "
- "autorebuild.pid file\n");
+ pr_err("Can't create autorebuild.pid file\n");
} else {
fp = fopen(path, "w");
if (!fp)
- pr_err("Cannot create"
- " autorebuild.pid"
- "file\n");
+ pr_err("Cannot create autorebuild.pidfile\n");
else {
pid = getpid();
fprintf(fp, "%d\n", pid);
@@ -381,24 +374,21 @@ static void alert(char *event, char *dev, char *disc, struct alert_info *info)
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);
@@ -409,8 +399,7 @@ static void alert(char *event, char *dev, char *disc, struct alert_info *info)
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);
@@ -437,10 +426,13 @@ static void alert(char *event, char *dev, char *disc, struct alert_info *info)
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);
+ "%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: %s",
+ event, dev, disc);
else
syslog(priority,
"%s event detected on md device %s",
@@ -460,7 +452,7 @@ static int check_array(struct state *st, struct mdstat_ent *mdstat,
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;
@@ -468,6 +460,33 @@ static int check_array(struct state *st, struct mdstat_ent *mdstat,
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)
@@ -488,7 +507,7 @@ static int check_array(struct state *st, struct mdstat_ent *mdstat,
*/
if (array.level == 0 || array.level == -1) {
if (!st->err && !st->from_config)
- alert("DeviceDisappeared", dev, "Wrong-Level", ainfo);
+ alert("DeviceDisappeared", dev, " Wrong-Level", ainfo);
st->err++;
close(fd);
return 0;
@@ -668,6 +687,7 @@ static int add_new_arrays(struct mdstat_ent *mdstat, struct state **statelist,
{
struct mdstat_ent *mse;
int new_found = 0;
+ char *name;
for (mse=mdstat; mse; mse=mse->next)
if (mse->devnm[0] &&
@@ -678,7 +698,14 @@ static int add_new_arrays(struct mdstat_ent *mdstat, struct state **statelist,
struct state *st = xcalloc(1, sizeof *st);
mdu_array_info_t array;
int fd;
- st->devname = xstrdup(get_md_name(mse->devnm));
+
+ name = get_md_name(mse->devnm);
+ if (!name) {
+ free(st);
+ continue;
+ }
+
+ st->devname = xstrdup(name);
if ((fd = open(st->devname, O_RDONLY)) < 0 ||
ioctl(fd, GET_ARRAY_INFO, &array)< 0) {
/* no such array */
@@ -966,6 +993,7 @@ int Wait(char *dev)
struct stat stb;
char devnm[32];
int rv = 1;
+ int frozen_remaining = 3;
if (stat(dev, &stb) != 0) {
pr_err("Cannot find %s: %s\n", dev,
@@ -982,7 +1010,7 @@ int Wait(char *dev)
if (strcmp(e->devnm, devnm) == 0)
break;
- if (e->percent == RESYNC_NONE) {
+ 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.
@@ -992,8 +1020,15 @@ int Wait(char *dev)
sysfs_init(&mdi, -1, devnm);
if (sysfs_get_str(&mdi, NULL, "sync_action",
buf, 20) > 0 &&
- strcmp(buf,"idle\n") != 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 &&
@@ -1035,8 +1070,7 @@ int WaitClean(char *dev, int sock, int verbose)
mdi = sysfs_read(fd, devnm, GET_VERSION|GET_LEVEL|GET_SAFEMODE);
if (!mdi) {
if (verbose)
- pr_err("Failed to read sysfs attributes for "
- "%s\n", dev);
+ pr_err("Failed to read sysfs attributes for %s\n", dev);
close(fd);
return 0;
}