#!/bin/bash
#
# Copyright (C) 2007-2009 Red Hat, Inc. All rights reserved.
#
# This copyrighted material is made available to anyone wishing to use,
# modify, copy, or redistribute it subject to the terms and conditions
# of the GNU General Public License v.2.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software Foundation,
# Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
# This file is part of LVM2.
# It is required for the proper handling of failures of LVM2 mirror
# devices that were created using the -m option of lvcreate.
#
#
# chkconfig: 12345 02 99
# description: Starts and stops dmeventd monitoring for lvm2
#
# For Red-Hat-based distributions such as Fedora, RHEL, CentOS.
#
### BEGIN INIT INFO
# Provides: lvm2-monitor
# Required-Start: $local_fs
# Required-Stop: $local_fs
# Default-Start: 1 2 3 4 5
# Default-Stop: 0 6
# Short-Description: Monitoring of LVM2 mirrors, snapshots etc. using dmeventd or progress polling
### END INIT INFO
. /etc/init.d/functions
DAEMON=lvm2-monitor
exec_prefix=
sbindir=/sbin
VGCHANGE=${sbindir}/vgchange
VGS=${sbindir}/vgs
LOCK_FILE="/var/lock/subsys/$DAEMON"
WARN=1
export LVM_SUPPRESS_LOCKING_FAILURE_MESSAGES=1
start()
{
ret=0
# TODO do we want to separate out already active groups only?
VGSLIST=`$VGS --noheadings -o name --ignoreskippedcluster --config 'log{command_names=0 prefix=" "}' 2> /dev/null`
for vg in $VGSLIST
do
action "Starting monitoring for VG $vg:" $VGCHANGE --monitor y --poll y --ignoreskippedcluster --config 'log{command_names=0 prefix=" "}' $vg || ret=$?
done
return $ret
}
stop()
{
ret=0
# TODO do we want to separate out already active groups only?
if test "$WARN" = "1"; then
echo "Not stopping monitoring, this is a dangerous operation. Please use force-stop to override."
return 1
fi
VGSLIST=`$VGS --noheadings -o name --ignoreskippedcluster --config 'log{command_names=0 prefix=" "}' 2> /dev/null`
for vg in $VGSLIST
do
action "Stopping monitoring for VG $vg:" $VGCHANGE --monitor n --ignoreskippedcluster --config 'log{command_names=0 prefix=" "}' $vg || ret=$?
done
return $ret
}
rtrn=1
# See how we were called.
case "$1" in
start)
start
rtrn=$?
[ $rtrn = 0 ] && touch $LOCK_FILE
;;
force-stop)
WARN=0
stop
rtrn=$?
[ $rtrn = 0 ] && rm -f $LOCK_FILE
;;
stop)
test "$runlevel" = "0" && WARN=0
test "$runlevel" = "6" && WARN=0
stop
rtrn=$?
[ $rtrn = 0 ] && rm -f $LOCK_FILE
;;
restart)
WARN=0
if stop
then
start
fi
rtrn=$?
;;
status)
# TODO anyone with an idea how to dump monitored volumes?
;;
*)
echo $"Usage: $0 {start|stop|restart|status|force-stop}"
;;
esac
exit $rtrn
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