slackbuilds_ponce/system/zfs-on-linux/rc.zfs
Robby Workman 0e436da449 system/zfs-on-linux: Create /var/lock/zfs before lockfile
This is for people who have /var/lock on tmpfs or some
other non-persistent-across-reboots filesystem.

Signed-off-by: Robby Workman <rworkman@slackbuilds.org>
2018-01-06 06:56:00 +07:00

127 lines
2.8 KiB
Bash

#!/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: $local_fs
# Default-Start: 2 3 4 5
# Default-Stop: 0 1 6
# Should-Stop:
# Short-Description: Mount/umount the zfs filesystems
# Description: ZFS is an advanced filesystem designed to simplify managing
# and protecting your data. This service mounts the ZFS
# filesystems and starts all related zfs services.
### END INIT INFO
# Source function library.
. /etc/rc.d/init.d/functions
LOCKFILE=/var/lock/zfs/zfs
ZFS="/sbin/zfs"
ZPOOL="/sbin/zpool"
UDEVD="/dev/disk/by-id/"
# Source zfs configuration.
[ -r '/etc/default/zfs' ] && . /etc/default/zfs
[ -x "$ZPOOL" ] || exit 1
[ -x "$ZFS" ] || exit 2
start()
{
[ -f "$LOCKFILE" ] && return 3
# Requires selinux policy which has not been written.
if [ -r "/selinux/enforce" ] &&
[ "$(cat /selinux/enforce)" = "1" ]; then
echo "SELinux ZFS policy required"
return 4
fi
# 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 [ "$RETVAL" -eq 0 ]; then
/bin/mount -f /
fi
# Import all pools, and then mount
# all filesystem based on their properties.
echo "Importing ZFS pools"
"$ZPOOL" import -d "$UDEVD" -f -aN 2>/dev/null
echo "Mounting ZFS filesystems"
"$ZFS" mount -a
echo "Exporting ZFS filesystems"
"$ZFS" share -a
mkdir -p $(dirname $LOCKFILE)
touch "$LOCKFILE"
}
stop()
{
[ ! -f "$LOCKFILE" ] && return 3
echo "Unmounting ZFS filesystems"
"$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
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