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#!/sbin/runscript
# Copyright 1999-2013 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Id$
[ -x /usr/sbin/clvmd ] && CLVMD_BIN="/usr/sbin/clvmd" || CLVMD_BIN="/sbin/clvmd"
[ -z "$CLVMD_CLUSTER_TIMEOUT" ] && CLVMD_CLUSTER_TIMEOUT=30
[ -n "$CLVMD_NODES_TIMEOUT" ] || CLVMD_NODES_TIMEOUT=60
VGCHANGE="/sbin/vgchange"
VGSCAN="/sbin/vgscan"
VGDISPLAY="/sbin/vgdisplay"
CLVMD_PIDFILE="/var/run/clvmd.pid"
depend() {
use net dns logger dmeventd
need cman
}
load_modules() {
local module modules
modules=$1
for module in ${modules}; do
ebegin "Loading ${module} kernel module"
modprobe ${module}
eend $? "Failed to load ${module} kernel module"
done
}
unload_modules() {
local module modules
modules=$1
for module in ${modules}; do
ebegin "Unloading ${module} kernel module"
modprobe -r ${module}
eend $? "Failed to unload ${module} kernel module"
done
}
umount_gfs_filesystems() {
local sig retry
local remaining="$(awk '$3 == "gfs" { print $2 }' /proc/mounts | sort -r)"
if [ -n "${remaining}" ]
then
sig=
retry=3
while [ -n "${remaining}" -a "${retry}" -gt 0 ]
do
if [ "${retry}" -lt 3 ]
then
ebegin "Unmounting GFS filesystems (retry)"
umount ${remaining} &>/dev/null
eend $? "Failed to unmount GFS filesystems this retry"
else
ebegin "Unmounting GFS filesystems"
umount ${remaining} &>/dev/null
eend $? "Failed to unmount GFS filesystems"
fi
remaining="$(awk '$3 == "gfs" { print $2 }' /proc/mounts | sort -r)"
[ -z "${remaining}" ] && break
/bin/fuser -k -m ${sig} ${remaining} &>/dev/null
sleep 5
retry=$((${retry} -1))
sig=-9
done
fi
}
start_volumes() {
ebegin "Scanning LVM volumes"
$VGSCAN > /dev/null 2>&1
eend $?
ret=$?
if [ "$ret" -eq 5 ]
then
einfo " Waiting for other nodes to join the cluster ($CLVMD_NODES_TIMEOUT seconds)"
fi
clustervgs=`$VGDISPLAY 2> /dev/null | awk 'BEGIN {RS="VG Name"} {if (/Clustered/) print $1;}'`
for vg in $clustervgs; do
ebegin " Activating Clustered VG: ${vg} "
wait=0
while [ -n "$($VGCHANGE -a y ${vg} 2>&1 |grep "clvmd not running")" ]; do
if [ $wait -lt $CLVMD_NODES_TIMEOUT ]; then
sleep 3
wait=$(($wait + 3))
else
eend 1
fi
done
eend 0
done
}
stop_volumes() {
# Deactivate only clustered volumes
clustervgs=`$VGDISPLAY 2> /dev/null | awk 'BEGIN {RS="VG Name"} {if (/Clustered/) print $1;}'`
for vg in $clustervgs; do
ebegin " Shutting Down Clustered VG: ${vg} "
$VGCHANGE -anl ${vg} >/dev/null
eend $?
done
}
start() {
local module=$(awk '$1 == "dm_mod" { print $1 }' /proc/{modules,devices})
if [ -z "${module}" ]; then
load_modules "dm-mod"
sleep 1s
fi
ebegin "Starting clvmd ($CLVMD_CLUSTER_TIMEOUT seconds)"
start-stop-daemon --start --quiet --exec ${CLVMD_BIN} -- -T ${CLVMD_CLUSTER_TIMEOUT}
eend $?
start_volumes
}
stop() {
# umount GFS filesystems
umount_gfs_filesystems
#stop_volumes
ebegin "Stopping clvmd"
#start-stop-daemon --stop -s TERM --quiet --exec ${CLVMD_BIN} --name clvmd
killall -TERM ${CLVMD_BIN} >/dev/null
eend $?
#local module=$(awk '$1 == "dm_mod" { print $1 }' /proc/modules)
#if [[ "$?" -eq 0 && ! -z "${module}" ]]; then
# unload_modules "dm-mod"
#fi
}
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