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authorNeil Brown <neilb@suse.de>2005-12-05 05:55:56 +0000
committerNeil Brown <neilb@suse.de>2005-12-05 05:55:56 +0000
commit773135f5bdf57219bf7f957b86964ba40d041180 (patch)
treea4d6248d3df1e4a101489f4d5696078db8009fbb /Monitor.c
parentfe394e5e4237e9c4d36a9a507ae36e5874ec66c4 (diff)
downloadmdadm-773135f5bdf57219bf7f957b86964ba40d041180.tar.gz
syslog support for monitor mode
From: ross@jose.lug.udel.edu (Ross Vandegrift) Hi Neil, While adding the text message mode, I saw a FIXME asking for syslog support in monitor mode. This patch adds exactly that. Signed-off-by: Neil Brown <neilb@suse.de>
Diffstat (limited to 'Monitor.c')
-rw-r--r--Monitor.c63
1 files changed, 45 insertions, 18 deletions
diff --git a/Monitor.c b/Monitor.c
index 2b30df1..1ad57be 100644
--- a/Monitor.c
+++ b/Monitor.c
@@ -33,8 +33,10 @@
#include <sys/wait.h>
#include <sys/signal.h>
#include <values.h>
+#include <syslog.h>
-static void alert(char *event, char *dev, char *disc, char *mailaddr, char *cmd);
+static void alert(char *event, char *dev, char *disc, char *mailaddr, char *cmd,
+ int dosyslog);
static char *percentalerts[] = {
"RebuildStarted",
@@ -47,7 +49,7 @@ static char *percentalerts[] = {
int Monitor(mddev_dev_t devlist,
char *mailaddr, char *alert_cmd,
int period, int daemonise, int scan, int oneshot,
- char *config, int test, char* pidfile)
+ int dosyslog, char *config, int test, char* pidfile)
{
/*
* Every few seconds, scan every md device looking for changes
@@ -212,12 +214,12 @@ int Monitor(mddev_dev_t devlist,
unsigned int i;
if (test)
- alert("TestMessage", dev, NULL, mailaddr, alert_cmd);
+ alert("TestMessage", dev, NULL, mailaddr, alert_cmd, dosyslog);
fd = open(dev, O_RDONLY);
if (fd < 0) {
if (!st->err)
alert("DeviceDisappeared", dev, NULL,
- mailaddr, alert_cmd);
+ mailaddr, alert_cmd, dosyslog);
/* fprintf(stderr, Name ": cannot open %s: %s\n",
dev, strerror(errno));
*/ st->err=1;
@@ -226,7 +228,7 @@ int Monitor(mddev_dev_t devlist,
if (ioctl(fd, GET_ARRAY_INFO, &array)<0) {
if (!st->err)
alert("DeviceDisappeared", dev, NULL,
- mailaddr, alert_cmd);
+ mailaddr, alert_cmd, dosyslog);
/* fprintf(stderr, Name ": cannot get array info for %s: %s\n",
dev, strerror(errno));
*/ st->err=1;
@@ -237,7 +239,7 @@ int Monitor(mddev_dev_t devlist,
array.level != 6 && array.level != 10) {
if (!st->err)
alert("DeviceDisappeared", dev, "Wrong-Level",
- mailaddr, alert_cmd);
+ mailaddr, alert_cmd, dosyslog);
st->err = 1;
close(fd);
continue;
@@ -274,27 +276,27 @@ int Monitor(mddev_dev_t devlist,
mse && /* is in /proc/mdstat */
mse->pattern && strchr(mse->pattern, '_') /* degraded */
)
- alert("DegradedArray", dev, NULL, mailaddr, alert_cmd);
+ alert("DegradedArray", dev, NULL, mailaddr, alert_cmd, dosyslog);
if (st->utime == 0 && /* new array */
st->expected_spares > 0 &&
array.spare_disks < st->expected_spares)
- alert("SparesMissing", dev, NULL, mailaddr, alert_cmd);
+ alert("SparesMissing", dev, NULL, mailaddr, alert_cmd, dosyslog);
if (mse &&
st->percent == -1 &&
mse->percent >= 0)
- alert("RebuildStarted", dev, NULL, mailaddr, alert_cmd);
+ alert("RebuildStarted", dev, NULL, mailaddr, alert_cmd, dosyslog);
if (mse &&
st->percent >= 0 &&
mse->percent >= 0 &&
(mse->percent / 20) > (st->percent / 20))
alert(percentalerts[mse->percent/20],
- dev, NULL, mailaddr, alert_cmd);
+ dev, NULL, mailaddr, alert_cmd, dosyslog);
if (mse &&
mse->percent == -1 &&
st->percent >= 0)
- alert("RebuildFinished", dev, NULL, mailaddr, alert_cmd);
+ alert("RebuildFinished", dev, NULL, mailaddr, alert_cmd, dosyslog);
if (mse)
st->percent = mse->percent;
@@ -323,19 +325,19 @@ int Monitor(mddev_dev_t devlist,
((st->devstate[i]&change)&(1<<MD_DISK_ACTIVE)) ||
((st->devstate[i]&change)&(1<<MD_DISK_SYNC)))
)
- alert("Fail", dev, dv, mailaddr, alert_cmd);
+ alert("Fail", dev, dv, mailaddr, alert_cmd, dosyslog);
else if (i >= (unsigned)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, alert_cmd);
+ alert("FailSpare", dev, dv, mailaddr, alert_cmd, dosyslog);
else if (i < (unsigned)array.raid_disks &&
(((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, alert_cmd);
+ alert("SpareActive", dev, dv, mailaddr, alert_cmd, dosyslog);
}
st->devstate[i] = disc.state;
st->devid[i] = makedev(disc.major, disc.minor);
@@ -381,7 +383,7 @@ int Monitor(mddev_dev_t devlist,
st->spare_group = NULL;
st->expected_spares = -1;
statelist = st;
- alert("NewArray", st->devname, NULL, mailaddr, alert_cmd);
+ alert("NewArray", st->devname, NULL, mailaddr, alert_cmd, dosyslog);
new_found = 1;
}
}
@@ -422,7 +424,7 @@ int Monitor(mddev_dev_t devlist,
(unsigned long)dev) == 0) {
if (ioctl(fd1, HOT_ADD_DISK,
(unsigned long)dev) == 0) {
- alert("MoveSpare", st->devname, st2->devname, mailaddr, alert_cmd);
+ alert("MoveSpare", st->devname, st2->devname, mailaddr, alert_cmd, dosyslog);
close(fd1);
close(fd2);
break;
@@ -448,8 +450,11 @@ int Monitor(mddev_dev_t devlist,
}
-static void alert(char *event, char *dev, char *disc, char *mailaddr, char *cmd)
+static void alert(char *event, char *dev, char *disc, char *mailaddr, char *cmd,
+ int dosyslog)
{
+ int priority;
+
if (!cmd && !mailaddr) {
time_t now = time(0);
@@ -494,5 +499,27 @@ static void alert(char *event, char *dev, char *disc, char *mailaddr, char *cmd)
}
}
- /* FIXME log the event to syslog maybe */
+
+ /* log the event to syslog maybe */
+ if (dosyslog) {
+ /* Log at a different severity depending on the event.
+ *
+ * These are the critical events: */
+ if (strncmp(event, "Fail", 4)==0 ||
+ strncmp(event, "Degrade", 7)==0 ||
+ strncmp(event, "DeviceDisappeared", 17)==0)
+ priority = LOG_CRIT;
+ /* Good to know about, but are not failures: */
+ else if (strncmp(event, "Rebuild", 7)==0 ||
+ strncmp(event, "MoveSpare", 9)==0)
+ priority = LOG_WARNING;
+ /* Everything else: */
+ else
+ priority = LOG_INFO;
+
+ if (disc)
+ syslog(priority, "%s event detected on md device %s, component device %s", event, dev, disc);
+ else
+ syslog(priority, "%s event detected on md device %s", event, dev);
+ }
}