diff options
Diffstat (limited to 'etc/init.d/zfs.redhat.in')
| -rw-r--r-- | etc/init.d/zfs.redhat.in | 177 |
1 files changed, 73 insertions, 104 deletions
diff --git a/etc/init.d/zfs.redhat.in b/etc/init.d/zfs.redhat.in index 5fa3275b9..7a4cae861 100644 --- a/etc/init.d/zfs.redhat.in +++ b/etc/init.d/zfs.redhat.in @@ -11,136 +11,108 @@ # ### 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)( |$)' /proc/cmdline && exit 3 -fi - -# Source function library & LSB routines +# Source function library. . /etc/rc.d/init.d/functions -# script variables -RETVAL=0 +LOCKFILE=/var/lock/zfs ZFS="@sbindir@/zfs" ZPOOL="@sbindir@/zpool" -ZPOOL_CACHE="@sysconfdir@/zfs/zpool.cache" -servicename=zfs -LOCKFILE=/var/lock/subsys/$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 "$1" /etc/fstab) -} +# Source zfs configuration. +[ -r '/etc/sysconfig/zfs' ] && . /etc/default/zfs + +[ -x "$ZPOOL" ] || exit 1 +[ -x "$ZFS" ] || exit 2 + +if [ -z "$init" ]; then + # Not interactive + grep -qE '(^|[^\\](\\\\)* )zfs=(off|no)( |$)' /proc/cmdline && exit 3 +fi start() { - # Disable lockfile check - # if [ -f "$LOCKFILE" ] ; then return 0 ; fi - - # check if ZFS is installed. If not, comply to FC standards and bail - zfs_installed || { - action $"Checking if ZFS is installed: not installed" /bin/false - return 5 - } + [ -f "$LOCKFILE" ] && return 3 # Delay until all required block devices are present. - if [ -x /sbin/udevadm ]; then - /sbin/udevadm settle - elif [ -x /sbin/udevsettle ]; then - /sbin/udevsettle + 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 - # 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 rm -f "$LOCKFILE" } -# See how we are called +status() +{ + [ ! -f "$LOCKFILE" ] && return 3 + + "$ZPOOL" status && echo "" && "$ZPOOL" list +} + case "$1" in start) start @@ -151,24 +123,21 @@ case "$1" in RETVAL=$? ;; 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 |