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 $syslog
17 # Default-Start: 2 3 4 5
19 # Short-Description: Check mpt-status values in the background.
22 PATH=/sbin:/bin:/usr/sbin:/usr/bin
23 DESC="mpt-status monitor"
25 PIDFILE=/var/run/$NAME.pid
26 STATUSFILE=/var/run/$NAME.status
27 SCRIPTNAME=/etc/init.d/$NAME
30 # Do not touch you can configure this in /etc/default/mpt-statusd
31 MAILTO=root # Where to report problems
32 PERIOD=600 # Seconds between each check (default 10 minutes)
33 REMIND=7200 # Seconds between each reminder (default 2 hours)
37 [ -e /etc/default/mpt-statusd ] && . /etc/default/mpt-statusd
39 # Gracefully exit if the package has been removed.
40 test -x /usr/sbin/mpt-status || exit 0
42 # Source function library.
43 . /etc/rc.d/init.d/functions
44 . /lib/lsb/init-functions
46 if [ $RUN_DAEMON = "no" ] ; then
47 log_failure_msg $"mpt-statusd is disabled in /etc/default/mpt-statusd, not starting."
52 #Try to blindly load the mptctl module
53 modprobe mptctl || true
55 if ! [ -e "/proc/mpt/version" ] ; then
56 log_failure_msg "The mptctl module is missing."
61 echo $$ > $PIDFILE.new && mv $PIDFILE.new $PIDFILE
63 # Check ever $PERIOD seconds, send email on every status
64 # change and repeat ever $REMIND seconds if the raid is still
66 if (mpt-status -i $ID) |grep -q 'state OPTIMAL' ; then
70 logger -t mpt-statusd "detected non-optimal RAID status"
73 if [ true = "$BADRAID" ] ; then
75 (mpt-status -i $ID) > $STATUSFILE.new
76 if [ ! -f $STATUSFILE ] ; then # RAID just became broken
78 mv $STATUSFILE.new $STATUSFILE
79 elif cmp -s $STATUSFILE $STATUSFILE.new ; then
80 # No change. Should we send reminder?
81 LASTTIME="`stat -c '%Z' $STATUSFILE`"
83 SINCELAST="`expr $NOW - $LASTTIME`"
84 if [ $REMIND -le "$SINCELAST" ]; then
85 # Time to send reminder
87 mv $STATUSFILE.new $STATUSFILE
93 mv $STATUSFILE.new $STATUSFILE
97 if [ -f $STATUSFILE ] ; then
103 if [ true = "$STATUSCHANGE" ]; then
104 hostname="`uname -n`"
107 This is a RAID status update from mpt-statusd. The mpt-status
108 program reports that one of the RAIDs changed state:
111 if [ -f $STATUSFILE ] ; then
117 echo "Report from $0 on $hostname"
118 ) | mail -s "info: mpt raid status change on $hostname" $MAILTO
125 # Let's check if there is a daemon which is really running and not timing out
126 DAEMON_RUN=`ps aux | grep "/etc/init.d/mpt-statusd check_mpt" | grep -v grep | grep -v daemon`
127 if [ -n "$DAEMON_RUN" ] ; then
135 # Function that starts the daemon/service.
138 [ -f $PIDFILE ] && PID="`cat $PIDFILE`"
140 log_warning_msg "Daemon already running. Refusing to start another"
142 elif check_daemon ; then
143 # Use daemonize to turn it into a daemon and start it with daemon().
144 daemon --pidfile $PIDFILE /usr/sbin/daemonize $SCRIPTNAME check_mpt
146 [ $RETVAL -eq 0 ] && rm -f $PIDFILE
149 log_warning_msg "Daemon is already running. Refusing to start another"
155 # Function that stops the daemon/service.
158 if [ -f $PIDFILE ] ; then
161 [ $RETVAL -eq 0 ] && rm -f $PIDFILE
164 log_warning_msg "Daemon is already stopped."
169 # This is a workaround function which does not directly exit and
170 # therefore can be used by a restart
171 d_stop_by_restart() {
172 if [ -f $PIDFILE ] ; then
173 killproc -p $PIDFILE $SCRIPTNAME > /dev/null 2>&1
176 log_warning_msg "Daemon is already stopped."
182 echo $"Starting $DESC: $NAME"
187 echo $"Stopping $DESC: $NAME"
194 restart|force-reload)
195 echo "Restarting $DESC: $NAME"
202 echo "Usage: $SCRIPTNAME {start|stop|restart|force-reload}" >&2