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#!/sbin/runscript
# Copyright 1999-2005 Gentoo Foundation
# Distributed under the terms of the GNU General Public License, v2 or later
# $Header: /var/cvsroot/gentoo-x86/sys-cluster/gnbd/files/gnbd-client.rc,v 1.2 2005/03/23 14:09:48 xmerlin Exp $
depend() {
use dns logger
need net
need fenced
}
start() {
if [ ! -f /etc/gnbdtab ] ; then
eerror "Please create /etc/gnbdtab"
eerror "Sample conf: /etc/gnbdtab"
return 1
fi
ebegin "Loading needed kernel modules for gnbd"
modprobe gnbd
eend $? "Failed to load needed kernel modules for gnbd"
GNBD=`cat /etc/gnbdtab | egrep '^import'`
if [ -n "$GNBD" ] ; then
ebegin "Importing all GNBDs devices"
einfo "$(awk '/^import/ { print "--> server:", $2 }' /etc/gnbdtab )"
cat /etc/gnbdtab | awk '/^import/ { print "-i", $2 }' | xargs gnbd_import > /dev/null
eend $? "Failed to import gnbd devices"
fi
}
stop() {
local sig retry
local remaining="$(awk '$3 ~ /gfs/ && $1 ~ /\/dev\/gnbd\// { if ($2 != "/") print $2 }' /proc/mounts | sort -r)"
if [ -z "${remaining}" ]
then
ebegin "Unmounting GFS filesystems (GNBDs imported devices)"
eend 0
else
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/ && $1 ~ /\/dev\/gnbd\// { if ($2 != "/") 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
local GNBD_MONITOR_PROC
ebegin "Unimporting all GNBDs devices"
gnbd_import -q -R &> /dev/null
eend $?
GNBD_MONITOR_PROC="$(pgrep gnbd_clusterd)"
if [ -n "${GNBD_MONITOR_PROC}" ]; then
ebegin "Stopping gnbd_monitor"
killall gnbd_monitor &> /dev/null
eend $?
fi
ebegin "Unloading gnbd kernel module"
modprobe -r gnbd
eend $? "Failed to unload gnbd kernel module"
}
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