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|
#!/bin/bash
#
# chkconfig: - 24 76
# description: Starts and stops clvmd
#
# For Red-Hat-based distributions such as Fedora, RHEL, CentOS.
#
### BEGIN INIT INFO
# Provides: clvmd
# Required-Start: $local_fs
# Required-Stop: $local_fs
# Default-Start:
# Default-Stop: 0 1 6
# Short-Description: Clustered LVM Daemon
### END INIT INFO
. /etc/init.d/functions
DAEMON=clvmd
exec_prefix=
sbindir=${exec_prefix}/sbin
LVDISPLAY=${sbindir}/lvdisplay
VGCHANGE=${sbindir}/vgchange
VGSCAN=${sbindir}/vgscan
VGDISPLAY=${sbindir}/vgdisplay
VGS=${sbindir}/vgs
CLVMDOPTS="-T20"
[ -f /etc/sysconfig/cluster ] && . /etc/sysconfig/cluster
[ -n "$CLVMD_CLUSTER_IFACE" ] && CLVMDOPTS="$CLVMDOPTS -I $CLVMD_CLUSTER_IFACE"
LOCK_FILE="/var/lock/subsys/$DAEMON"
start()
{
for rtrn in 0
do
if ! pidof $DAEMON > /dev/null
then
echo -n "Starting $DAEMON: "
daemon $DAEMON $CLVMDOPTS
rtrn=$?
echo
if [ $rtrn -ne 0 ]
then
break
fi
fi
# refresh cache
$VGSCAN > /dev/null 2>&1
if [ -n "$LVM_VGS" ]
then
for vg in $LVM_VGS
do
action "Activating VG $vg:" $VGCHANGE -ayl $vg || rtrn=$?
done
else
action "Activating VGs:" $VGCHANGE -ayl || rtrn=$?
fi
done
return $rtrn
}
stop()
{
for rtrn in 0
do
if [ -n "$LVM_VGS" ]
then
for vg in $LVM_VGS
do
action "Deactivating VG $vg:" $VGCHANGE -anl $vg || rtrn=$?
done
else
# Hack to only deactivate clustered volumes
clustervgs=`$VGDISPLAY 2> /dev/null | awk 'BEGIN {RS="VG Name"} {if (/Clustered/) print $1;}'`
for vg in $clustervgs; do
action "Deactivating VG $vg:" $VGCHANGE -anl $vg || rtrn=$?
done
fi
[ $rtrn -ne 0 ] && break
echo -n "Stopping clvm:"
killproc $DAEMON -TERM
rtrn=$?
echo
done
return $rtrn
}
wait_for_finish()
{
count=0
while [ "$count" -le 10 -a -n "`pidof $DAEMON`" ]
do
sleep 1
count=$((count + 1))
done
if [ `pidof $DAEMON` ]
then
return 1
else
return 0
fi
}
reload() {
$DAEMON -R
}
rh_status() {
status $DAEMON
}
rh_status_q() {
rh_status >/dev/null 2>&1
}
rtrn=1
# See how we were called.
case "$1" in
start)
start
rtrn=$?
[ $rtrn = 0 ] && touch $LOCK_FILE
;;
stop)
stop
rtrn=$?
[ $rtrn = 0 ] && rm -f $LOCK_FILE
;;
restart)
if stop
then
wait_for_finish
start
fi
rtrn=$?
;;
reload)
rh_status_q || exit 7
reload
;;
status)
rh_status
rtrn=$?
vols=$( $LVDISPLAY -C --nohead 2> /dev/null | awk '($3 ~ /....a./) {print $1}' )
echo active volumes: ${vols:-"(none)"}
;;
*)
echo $"Usage: $0 {start|stop|restart|reload|status}"
;;
esac
exit $rtrn
|