c8082367cf
The backticks would cause the output of the zfs commands to be evaluated as input for the if construct rather than their exit status. Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
84 lines
2.1 KiB
Bash
84 lines
2.1 KiB
Bash
#!/bin/bash
|
|
#
|
|
# zfs This shell script takes care of starting (mount) and
|
|
# stopping (umount) zfs shares.
|
|
#
|
|
# chkconfig: 35 60 40
|
|
# description: ZFS is a filesystem developed by Sun, ZFS is a
|
|
# combined file system and logical volume manager
|
|
# designed by Sun Microsystems. Made available to Linux
|
|
# using SPL (Solaris Porting Layer) by zfsonlinux.org.
|
|
# probe: true
|
|
|
|
case $1 in
|
|
start) echo "$1ing ZFS filesystems"
|
|
|
|
# Delay until all required block devices are present.
|
|
udevadm settle
|
|
|
|
if ! grep "zfs" /proc/modules > /dev/null; then
|
|
echo "ZFS kernel module not loaded yet; loading...";
|
|
if ! modprobe zfs; then
|
|
echo "Failed to load ZFS kernel module...";
|
|
exit 0;
|
|
fi
|
|
fi
|
|
|
|
if ! [ `uname -m` == "x86_64" ]; then
|
|
echo "Warning: You're not running 64bit. Currently native zfs in";
|
|
echo " linux is only supported and tested on 64bit.";
|
|
# should we break here? People doing this should know what they
|
|
# do, thus i'm not breaking here.
|
|
fi
|
|
|
|
# mount the filesystems
|
|
while IFS= read -r -d $'\n' dev; do
|
|
mdev=$(echo "$dev" | awk '{ print $1; }')
|
|
echo -n "mounting $mdev..."
|
|
if zfs mount $mdev; then
|
|
echo -e "done";
|
|
else
|
|
echo -e "failed";
|
|
fi
|
|
done < <(zfs list -H);
|
|
|
|
|
|
;;
|
|
|
|
stop) echo "$1ping ZFS filesystems"
|
|
|
|
if grep "zfs" /proc/modules > /dev/null; then
|
|
# module is loaded, so we can try to umount filesystems
|
|
while IFS= read -r -d $'\n' dev; do
|
|
mdev=$(echo "$dev" | awk '{ print $1 }');
|
|
echo -n "umounting $mdev...";
|
|
if zfs umount $mdev; then
|
|
echo -e "done";
|
|
else
|
|
echo -e "failed";
|
|
fi
|
|
# the next line is, because i have to reverse the
|
|
# output, otherwise it wouldn't work as it should
|
|
done < <(zfs list -H | tac);
|
|
|
|
# and finally let's rmmod the module
|
|
rmmod zfs
|
|
|
|
|
|
else
|
|
# module not loaded, no need to umount anything
|
|
exit 0
|
|
fi
|
|
|
|
;;
|
|
|
|
restart) echo "$1ing ZFS filesystems"
|
|
$0 stop
|
|
$0 start
|
|
;;
|
|
|
|
*) echo "Usage: $0 {start|stop|restart}"
|
|
;;
|
|
|
|
esac
|