3 # Author: Petter Reinholdtsen <pere@hungry.com>
4 # Author: Sven Hoexter <sven@timegate.de>
5 # License: GNU General Public License v2 or later
7 # mpt-statusd - Check mpt-status values in the background.
10 # description: Check mpt-status values in the background \
11 # using daemonize and the mpt-status utility.
14 # Provides: mpt-statusd
15 # Required-Start: $remote_fs $syslog
16 # Required-Stop: $remote_fs $syslog
18 # Short-Description: Check mpt-status values in the background.
21 PATH=/sbin:/bin:/usr/sbin:/usr/bin
22 DESC="mpt-status monitor"
24 PIDFILE=/var/run/$NAME.pid
25 STATUSFILE=/var/run/$NAME.status
26 SCRIPTNAME=/etc/init.d/$NAME
27 LOCKFILE=/var/lock/subsys/$NAME
29 # Do not touch you can configure this in /etc/default/mpt-statusd
30 MAILTO=root # Where to report problems
31 PERIOD=600 # Seconds between each check (default 10 minutes)
32 REMIND=7200 # Seconds between each reminder (default 2 hours)
36 [ -e /etc/default/mpt-statusd ] && . /etc/default/mpt-statusd
38 # Gracefully exit if the package has been removed.
39 test -x /usr/sbin/mpt-status || exit 0
41 # Source function library.
42 . /etc/rc.d/init.d/functions
44 if [ $RUN_DAEMON = "no" ] ; then
45 echo "mpt-statusd is disabled in /etc/default/mpt-statusd, not starting." && failure
50 #Try to blindly load the mptctl module
51 modprobe mptctl || true
53 if ! [ -e "/proc/mpt/version" ] ; then
54 echo "The mptctl module is missing." && failure
59 echo $$ > $PIDFILE.new && mv $PIDFILE.new $PIDFILE
61 # Check ever $PERIOD seconds, send email on every status
62 # change and repeat ever $REMIND seconds if the raid is still
64 if (mpt-status -i $ID) |grep -q 'state OPTIMAL' ; then
68 logger -t mpt-statusd "detected non-optimal RAID status"
71 if [ true = "$BADRAID" ] ; then
73 (mpt-status -i $ID) > $STATUSFILE.new
74 if [ ! -f $STATUSFILE ] ; then # RAID just became broken
76 mv $STATUSFILE.new $STATUSFILE
77 elif cmp -s $STATUSFILE $STATUSFILE.new ; then
78 # No change. Should we send reminder?
79 LASTTIME="`stat -c '%Z' $STATUSFILE`"
81 SINCELAST="`expr $NOW - $LASTTIME`"
82 if [ $REMIND -le "$SINCELAST" ]; then
83 # Time to send reminder
85 mv $STATUSFILE.new $STATUSFILE
91 mv $STATUSFILE.new $STATUSFILE
95 if [ -f $STATUSFILE ] ; then
101 if [ true = "$STATUSCHANGE" ]; then
102 hostname="`uname -n`"
105 This is a RAID status update from mpt-statusd. The mpt-status
106 program reports that one of the RAIDs changed state:
109 if [ -f $STATUSFILE ] ; then
115 echo "Report from $0 on $hostname"
116 ) | mail -s "info: mpt raid status change on $hostname" $MAILTO
123 # Let's check if there is a daemon which is really running and not timing out
124 DAEMON_RUN=`ps aux | grep "/etc/init.d/mpt-statusd check_mpt" | grep -v grep | grep -v daemon`
125 if [ -n "$DAEMON_RUN" ] ; then
133 # Function that starts the daemon/service.
136 [ -f $PIDFILE ] && PID="`cat $PIDFILE`"
138 echo "Daemon already running. Refusing to start another" && warning
140 elif check_daemon ; then
141 # Use daemonize to turn it into a daemon and start it with daemon().
142 daemon --pidfile $PIDFILE /usr/sbin/daemonize $SCRIPTNAME check_mpt
144 [ $RETVAL -eq 0 ] && touch $LOCKFILE
147 echo "Daemon is already running. Refusing to start another" && warning
153 # Function that stops the daemon/service.
156 if [ -f $PIDFILE ] ; then
159 if [ $RETVAL -eq 0 ] ; then
160 success "$NAME stopped"
161 rm -f $PIDFILE $LOCKFILE
164 echo "$NAME failed to stop" && failure
168 echo "$NAME is already stopped." && warning
173 # This is a workaround function which does not directly exit and
174 # therefore can be used by a restart
175 d_stop_by_restart() {
176 if [ -f $PIDFILE ] ; then
177 killproc -p $PIDFILE $SCRIPTNAME > /dev/null 2>&1
178 rm -f $PIDFILE $LOCKFILE
180 echo "Daemon is already stopped." && warning
186 echo $"Starting $DESC: $NAME"
191 echo $"Stopping $DESC: $NAME"
198 restart|force-reload)
199 echo "Restarting $DESC: $NAME"
206 echo "Usage: $SCRIPTNAME {start|stop|restart|force-reload}" >&2