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|
#! /bin/sh
# chkconfig: 12345 13 87
# description: Starts and stops the ZFS file systems
# author: Manuel Amador (Rudd-O)
PIDFILE=/var/run/zfs-fuse.pid
LOCKFILE=/var/lock/zfs/zfs_lock
# Source function library.
. /etc/init.d/functions
# Source cmdline opts
OPTIONS=
[ -f /etc/sysconfig/zfs-fuse ] && . /etc/sysconfig/zfs-fuse
export PATH=/usr/local/sbin:/sbin:/bin:/usr/sbin:/usr/bin
unset LANG
ulimit -v unlimited
ulimit -c unlimited
ulimit -l unlimited
do_start() {
PID=$(cat "$PIDFILE" 2> /dev/null)
if [ "$PID" != "" ]
then
if kill -0 $PID 2> /dev/null
then
echo -n "ZFS-FUSE is already running"
failure
exit 3
else
# pid file is stale, we clean up shit
action "Cleaning up stale ZFS-FUSE PID files" rm -f "$PIDFILE"
fi
fi
export DAEMON_COREFILE_LIMIT=unlimited
action "Starting ZFS-FUSE process" daemon --pidfile $PIDFILE zfs-fuse -p "$PIDFILE" $OPTIONS
ES_TO_REPORT=$?
if [ 0 != $ES_TO_REPORT ] ; then
exit $ES_TO_REPORT
fi
for a in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
do
PID=$(cat "$PIDFILE" 2> /dev/null)
[ "$PID" != "" ] && break
sleep 1
done
if [ "$PID" = "" ]
then
echo -n "ZFS-FUSE did not start or create $PIDFILE"
failure
exit 3
fi
action "Immunizing ZFS-FUSE against OOM kills and sendsigs signals" true
echo -17 > "/proc/$PID/oom_adj"
ES_TO_REPORT=$?
if [ 0 != $ES_TO_REPORT ] ; then
exit $ES_TO_REPORT
fi
sleep 1
action "Mounting ZFS filesystems" zfs mount -a
ES_TO_REPORT=$?
if [ 0 != $ES_TO_REPORT ] ; then
exit $ES_TO_REPORT
fi
}
do_stop () {
PID=$(cat "$PIDFILE" 2> /dev/null)
if [ "$PID" = "" ] ; then
# no pid file, we exit
exit 0
elif kill -0 $PID 2> /dev/null; then
# pid file and killable, we continue
true
else
# pid file is stale, we clean up shit
action "Cleaning up stale ZFS-FUSE PID files" rm -f "$PIDFILE"
exit 0
fi
action "Syncing disks" sync
action "Unmounting ZFS filesystems" zfs unmount -a
ES_TO_REPORT=$?
if [ 0 != $ES_TO_REPORT ] ; then
exit $ES_TO_REPORT
fi
action "Terminating ZFS-FUSE process gracefully" kill -TERM $PID
for a in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
do
kill -0 $PID 2> /dev/null
[ "$?" != "0" ] && break
sleep 1
done
if kill -0 $PID 2> /dev/null
then
echo -n "ZFS-FUSE refused to die after 15 seconds"
failure
exit 3
else
rm -f "$PIDFILE"
fi
action "Syncing disks again" sync
}
case "$1" in
start)
do_start
;;
stop)
do_stop
;;
status)
PID=$(cat "$PIDFILE" 2> /dev/null)
if [ "$PID" = "" ] ; then
echo "ZFS-FUSE is not running"
exit 3
else
if kill -0 $PID
then
echo "ZFS-FUSE is running, pid $PID"
zpool status
exit 0
else
echo "ZFS-FUSE died, PID files stale"
exit 3
fi
fi
;;
restart|reload|force-reload)
echo "Error: argument '$1' not supported" >&2
exit 3
;;
*)
echo "Usage: $0 start|stop|status" >&2
exit 3
;;
esac
:
|
