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|
#!/bin/bash
#
# zfs This script will mount/umount the zfs filesystems.
#
# chkconfig: 2345 01 99
# description: This script will mount/umount the zfs filesystems during
# system boot/shutdown. Configuration of which filesystems
# should be mounted is handled by the zfs 'mountpoint' and
# 'canmount' properties. See the zfs(8) man page for details.
# It is also responsible for all userspace zfs services.
#
### BEGIN INIT INFO
# Provides: zfs
# Required-Start: $local_fs
# Required-Stop: $local_fs
# Default-Start: 2 3 4 5
# Default-Stop: 0 1 6
# Should-Stop:
# Short-Description: Mount/umount the zfs filesystems
# Description: ZFS is an advanced filesystem designed to simplify managing
# and protecting your data. This service mounts the ZFS
# filesystems and starts all related zfs services.
### END INIT INFO
# Source function library.
. /etc/rc.d/init.d/functions
LOCKFILE=/var/lock/zfs
ZFS="@sbindir@/zfs"
ZPOOL="@sbindir@/zpool"
ZPOOL_CACHE="/etc/zfs/zpool.cache"
USE_DISK_BY_ID=0
VERBOSE_MOUNT=0
DO_OVERLAY_MOUNTS=0
MOUNT_EXTRA_OPTIONS=""
# Source zfs configuration.
[ -r '/etc/sysconfig/zfs' ] && . /etc/default/zfs
[ -x "$ZPOOL" ] || exit 1
[ -x "$ZFS" ] || exit 2
if [ -z "$init" ]; then
# Not interactive
grep -qE '(^|[^\\](\\\\)* )zfs=(off|no)( |$)' /proc/cmdline && exit 3
fi
start()
{
[ -f "$LOCKFILE" ] && return 3
# Delay until all required block devices are present.
udevadm settle
# Load the zfs module stack
/sbin/modprobe zfs
# Ensure / exists in /etc/mtab, if not update mtab accordingly.
# This should be handled by rc.sysinit but lets be paranoid.
awk '$2 == "/" { exit 1 }' /etc/mtab
RETVAL=$?
if [ "$RETVAL" -eq 0 ]; then
/bin/mount -f /
fi
# Import all pools described by the cache file, and then mount
# all filesystem based on their properties.
if [ "$USE_DISK_BY_ID" -eq 1 ]; then
action $"Importing ZFS pools" \
"$ZPOOL" import -d /dev/disk/by-id -aN 2>/dev/null
ret=$?
[ "$ret" -eq 0 ] && POOL_IMPORTED=1
elif [ -f "$ZPOOL_CACHE" ] ; then
action $"Importing ZFS pools" \
"$ZPOOL" import -c "$ZPOOL_CACHE" -aN 2>/dev/null
ret=$?
[ "$ret" -eq 0 ] && POOL_IMPORTED=1
fi
if [ -n "$POOL_IMPORTED" ]; then
if [ "$VERBOSE_MOUNT" -eq 1 ]; then
verbose=v
fi
if [ "$DO_OVERLAY_MOUNTS" -eq 1 ]; then
overlay=O
fi
action $"Mounting ZFS filesystems" \
"$ZFS" mount -a$verbose$overlay$MOUNT_EXTRA_OPTIONS
action $"Sharing ZFS filesystems" \
"$ZFS" share -a
fi
touch "$LOCKFILE"
}
stop()
{
[ ! -f "$LOCKFILE" ] && return 3
action $"Unsharing ZFS filesystems" "$ZFS" unshare -a
action $"Unmounting ZFS filesystems" "$ZFS" umount -a
rm -f "$LOCKFILE"
}
status()
{
[ ! -f "$LOCKFILE" ] && return 3
"$ZPOOL" status && echo "" && "$ZPOOL" list
}
case "$1" in
start)
start
RETVAL=$?
;;
stop)
stop
RETVAL=$?
;;
status)
status
RETVAL=$?
;;
restart)
stop
start
;;
condrestart)
if [ -f "$LOCKFILE" ]; then
stop
start
fi
;;
*)
echo $"Usage: $0 {start|stop|status|restart|condrestart}"
;;
esac
exit $RETVAL
|
