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#!/sbin/runscript
# Copyright 1999-2011 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/sys-fs/zfs/files/zfs,v 0.9 2011/04/30 10:13:43 devsk Exp $
depend()
{
before net
after udev
}
CACHEFILE=/etc/zfs/zpool.cache
ZPOOL=/usr/sbin/zpool
ZFS=/usr/sbin/zfs
ZFS_MODULE=zfs
LOCKFILE=/var/lock/zfs/zfs_lockfile
checksystem()
{
/sbin/modinfo $ZFS_MODULE &>/dev/null
if [[ $? -ne 0 ]]
then
eerror "$ZFS_MODULE not found. Is the ZFS package installed?"
return 1
fi
if [[ ! -x $ZPOOL ]]
then
eerror "$ZPOOL binary not found."
return 1
fi
if [[ ! -x $ZFS ]]
then
eerror "$ZFS binary not found."
return 1
fi
# create the lockdir if not there
lockdir=$(dirname ${LOCKFILE})
if [[ ! -d ${lockdir} ]]
then
mkdir -p ${lockdir} &>/dev/null
fi
return 0
}
start()
{
if [[ -f $LOCKFILE ]]
then
einfo "ZFS already running, please stop it first. Delete $LOCKFILE if its not so."
eend 3
return 3
fi
ebegin "Starting ZFS"
checksystem || return 1
if ! grep -q $ZFS_MODULE /proc/modules
then
/sbin/modprobe $ZFS_MODULE &>/dev/null
rv=$?
if [[ $rv -ne 0 ]]
then
eerror "Failed to load the $ZFS_MODULE module, check 'dmesg|tail'."
eend $rv
return $rv
fi
fi
# 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 [[ -f $CACHEFILE ]]
then
einfo "Importing ZFS pools"
# as per fedora script, import can fail if all pools are already imported
# The check for $rv makes no sense...but someday, it will work right.
$ZPOOL import -c $CACHEFILE -aN 2>/dev/null || true
rv=$?
if [[ $rv -ne 0 ]]
then
eerror "Failed to import not-yet imported pools."
eend $rv
return $rv
fi
fi
einfo "Mounting ZFS filesystems"
$ZFS mount -a
rv=$?
if [[ $rv -ne 0 ]]
then
eerror "Failed to mount ZFS filesystems."
eend $rv
return $rv
fi
# hack to read mounted file systems because otherwise
# zfs returns EPERM when a non-root user reads a mounted filesystem before root did
savepwd="$PWD"
mount | grep " type zfs " | sed 's/.*on //' | sed 's/ type zfs.*$//' | \
while read line
do
cd "$line" &> /dev/null
ls &> /dev/null
done
cd "$savepwd"
touch $LOCKFILE
eend 0
return 0
}
stop()
{
if [[ ! -f $LOCKFILE ]]
then
einfo "ZFS is not started, remove $LOCKFILE if its not so."
eend 3
return 3
fi
ebegin "Unmounting ZFS filesystems"
sync
$ZFS umount -a
if [[ $rv -ne 0 ]]
then
eerror "Failed to umount ZFS filesystems."
fi
rm -f $LOCKFILE
eend $rv
}
status()
{
if [[ ! -f $LOCKFILE ]]
then
einfo "ZFS is not started, remove $LOCKFILE if its not so."
eend 3
return 3
fi
# show pool status and list
$ZPOOL status && echo && $ZPOOL list
}
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