#
### BEGIN INIT INFO
# Provides: zfs
-# Required-Start:
-# Required-Stop:
-# Should-Start:
+# Required-Start: $local_fs
+# Required-Stop: $local_fs
+# Default-Start: 2 3 4 5
+# Default-Stop: 0 1 6
# Should-Stop:
-# Default-Start: 2 3 4 5
-# Default-Stop: 1
# Short-Description: Mount/umount the zfs filesystems
# Description: ZFS is an advanced filesystem designed to simplify managing
# and protecting your data. This service mounts the ZFS
# filesystems and starts all related zfs services.
### END INIT INFO
-export PATH=/usr/local/sbin:/usr/bin:/bin:/usr/local/sbin:/usr/sbin:/sbin
-
-if [ -z "$init" ]; then
- # Not interactive
- grep -qE '(^|[^\\](\\\\)* )zfs=(off|no)( |$)' /proc/cmdline && exit 3
-fi
-
-# Source function library & LSB routines
+# Source function library.
. /etc/rc.d/init.d/functions
-# script variables
-RETVAL=0
+LOCKFILE=/var/lock/zfs
+ZED="@sbindir@/zed"
+ZED_PIDFILE="@runstatedir@/zed.pid"
ZFS="@sbindir@/zfs"
ZPOOL="@sbindir@/zpool"
-ZPOOL_CACHE="@sysconfdir@/zfs/zpool.cache"
-servicename=zfs
-LOCKFILE=/var/lock/subsys/$servicename
-
-# functions
-zfs_installed() {
- modinfo zfs > /dev/null 2>&1 || return 5
- $ZPOOL > /dev/null 2>&1
- [ $? == 127 ] && return 5
- $ZFS > /dev/null 2>&1
- [ $? == 127 ] && return 5
- return 0
-}
+ZPOOL_CACHE="/etc/zfs/zpool.cache"
+USE_DISK_BY_ID=0
+VERBOSE_MOUNT=0
+DO_OVERLAY_MOUNTS=0
+MOUNT_EXTRA_OPTIONS=""
-# i need a bash guru to simplify this, since this is copy and paste, but donno how
-# to correctly dereference variable names in bash, or how to do this right
-
-# first parameter is a regular expression that filters fstab
-read_fstab() {
- unset FSTAB
- n=0
- while read -r fs mntpnt fstype opts blah ; do
- fs=`printf '%b\n' "$fs"`
- FSTAB[$n]=$fs
- let n++
- done < <(egrep "$1" /etc/fstab)
-}
+# Source zfs configuration.
+[ -r '/etc/sysconfig/zfs' ] && . /etc/sysconfig/zfs
+
+[ -x "$ZPOOL" ] || exit 1
+[ -x "$ZFS" ] || exit 2
+
+if [ -z "$init" ]; then
+ # Not interactive
+ grep -qE '(^|[^\\](\\\\)* )zfs=(off|no)( |$)' /proc/cmdline && exit 3
+fi
start()
{
- # Disable lockfile check
- # if [ -f "$LOCKFILE" ] ; then return 0 ; fi
+ [ -f "$LOCKFILE" ] && return 3
- # check if ZFS is installed. If not, comply to FC standards and bail
- zfs_installed || {
- action $"Checking if ZFS is installed: not installed" /bin/false
- return 5
- }
+ # Delay until all required block devices are present.
+ udevadm settle
- # Requires selinux policy which has not been written.
- if [ -r "/selinux/enforce" ] &&
- [ "$(cat /selinux/enforce)" = "1" ]; then
- action $"SELinux ZFS policy required: " /bin/false || return 6
- fi
+ # Load the zfs module stack
+ /sbin/modprobe zfs
- # Delay until all required block devices are present.
- if [ -x /sbin/udevadm ]; then
- /sbin/udevadm settle
- elif [ -x /sbin/udevsettle ]; then
- /sbin/udevsettle
+ # Start the ZED for event handling
+ action $"Starting ZFS Event Daemon" daemon --pidfile="$ZED_PIDFILE" "$ZED"
+
+ # 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
- # load kernel module infrastructure
- if ! grep -q zfs /proc/modules ; then
- action $"Loading kernel ZFS infrastructure: " modprobe zfs || return 5
+ # Import all pools described by the cache file, and then mount
+ # all filesystem based on their properties.
+ if [ "$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
- sleep 1
- action $"Mounting automounted ZFS filesystems: " $ZFS mount -a || return 152
+ if [ -n "$POOL_IMPORTED" ]; then
+ if [ "$VERBOSE_MOUNT" -eq 1 ]; then
+ verbose=v
+ fi
- action $"Exporting ZFS filesystems: " $ZFS share -a || return 153
+ if [ "$DO_OVERLAY_MOUNTS" -eq 1 ]; then
+ overlay=O
+ fi
+
+ action $"Mounting ZFS filesystems" \
+ "$ZFS" mount -a$verbose$overlay$MOUNT_EXTRA_OPTIONS
- # Read fstab, try to mount zvols ignoring error
- read_fstab "^/dev/(zd|zvol)"
- template=$"Mounting volume %s registered in fstab: "
- for volume in "${FSTAB[@]}" ; do
- string=`printf "$template" "$volume"`
- action "$string" mount "$volume" 2>/dev/null || /bin/true
- done
+ action $"Sharing ZFS filesystems" \
+ "$ZFS" share -a
+ fi
- # touch "$LOCKFILE"
+ touch "$LOCKFILE"
}
stop()
{
- # Disable lockfile check
- # if [ ! -f "$LOCKFILE" ] ; then return 0 ; fi
-
- # check if ZFS is installed. If not, comply to FC standards and bail
- zfs_installed || {
- action $"Checking if ZFS is installed: not installed" /bin/false
- return 5
- }
-
- # the poweroff of the system takes care of this
- # but it never unmounts the root filesystem itself
- # shit
-
- action $"Syncing ZFS filesystems: " sync
- # about the only thing we can do, and then we
- # hope that the umount process will succeed
- # unfortunately the umount process does not dismount
- # the root file system, there ought to be some way
- # we can tell zfs to just flush anything in memory
- # when a request to remount,ro comes in
-
- #echo -n $"Unmounting ZFS filesystems: "
- #$ZFS umount -a
- #RETVAL=$?
- #if [ $RETVAL -ne 0 ]; then
- # failure
-
- # return 8
- #fi
- #success
+ [ ! -f "$LOCKFILE" ] && return 3
+
+ action $"Unsharing ZFS filesystems" "$ZFS" unshare -a
+ action $"Unmounting ZFS filesystems" "$ZFS" umount -a
+ action $"Shutting down ZFS Event Daemon" killproc -p "$ZED_PIDFILE" "$ZED"
rm -f "$LOCKFILE"
}
-# See how we are called
+status()
+{
+ [ ! -f "$LOCKFILE" ] && return 3
+
+ "$ZPOOL" status && echo "" && "$ZPOOL" list
+}
+
case "$1" in
start)
start
RETVAL=$?
;;
status)
- lsmod | grep -q zfs || RETVAL=3
- $ZPOOL status && echo && $ZFS list || {
- [ -f "$LOCKFILE" ] && RETVAL=2 || RETVAL=4
- }
+ status
+ RETVAL=$?
;;
restart)
stop
start
;;
condrestart)
- if [ -f "$LOCKFILE" ] ; then
+ if [ -f "$LOCKFILE" ]; then
stop
start
fi
;;
*)
echo $"Usage: $0 {start|stop|status|restart|condrestart}"
- RETVAL=3
;;
esac
projects / mirror_zfs-debian.git / blobdiff