etc/init.d/zfs.lunar.in

   1 #!/bin/bash
   2 #
   3 # zfs           This shell script takes care of starting (mount) and
   4 #               stopping (umount) zfs shares.
   5 #
   6 # chkconfig: 35 60 40
   7 # description: ZFS is a filesystem developed by Sun, ZFS is a
   8 #              combined file system and logical volume manager
   9 #              designed by Sun Microsystems. Made available to Linux
  10 #              using SPL (Solaris Porting Layer) by zfsonlinux.org.
  11 # probe: true
  12
  13 ZFS="@sbindir@/zfs"
  14 ZPOOL="@sbindir@/zpool"
  15 ZPOOL_CACHE="@sysconfdir@/zfs/zpool.cache"
  16
  17 case $1 in
  18   start)  echo "$1ing ZFS filesystems"
  19
  20     # Delay until all required block devices are present.
  21     udevadm settle
  22
  23     if ! grep "zfs" /proc/modules > /dev/null; then
  24       echo "ZFS kernel module not loaded yet; loading...";
  25       if ! modprobe zfs; then
  26         echo "Failed to load ZFS kernel module...";
  27         exit 0;
  28       fi
  29     fi
  30
  31     if ! [ `uname -m` == "x86_64" ]; then
  32       echo "Warning: You're not running 64bit. Currently native zfs in";
  33       echo "         linux is only supported and tested on 64bit.";
  34       # should we break here? People doing this should know what they
  35       # do, thus i'm not breaking here.
  36     fi
  37
  38     # mount the filesystems
  39     while IFS= read -r -d $'\n' dev; do
  40       mdev=$(echo "$dev" | awk '{ print $1; }')
  41       echo -n "mounting $mdev..."
  42       if $ZFS mount $mdev; then
  43         echo -e "done";
  44       else
  45         echo -e "failed";
  46       fi
  47     done < <($ZFS list -H);
  48
  49     # export the filesystems
  50     echo -n "exporting ZFS filesystems..."
  51     if $ZFS share -a; then
  52       echo -e "done";
  53     else
  54       echo -e "failed";
  55     fi
  56
  57
  58   ;;
  59
  60   stop)  echo "$1ping ZFS filesystems"
  61
  62     if grep "zfs" /proc/modules > /dev/null; then
  63       # module is loaded, so we can try to umount filesystems
  64       while IFS= read -r -d $'\n' dev; do
  65         mdev=$(echo "$dev" | awk '{ print $1 }');
  66         echo -n "umounting $mdev...";
  67         if $ZFS umount $mdev; then
  68           echo -e "done";
  69         else
  70           echo -e "failed";
  71         fi
  72         # the next line is, because i have to reverse the
  73         # output, otherwise it wouldn't work as it should
  74       done < <($ZFS list -H | tac);
  75
  76       # and finally let's rmmod the module
  77       rmmod zfs
  78
  79
  80     else
  81       # module not loaded, no need to umount anything
  82       exit 0
  83     fi
  84
  85   ;;
  86
  87   restart) echo "$1ing ZFS filesystems"
  88     $0 stop
  89     $0 start
  90   ;;
  91
  92   *)  echo "Usage: $0 {start|stop|restart}"
  93   ;;
  94
  95 esac