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 if [ -z "$init" ]; then
  18     # Not interactive
  19     grep -qE '(^|[^\\](\\\\)* )zfs=(off|no)( |$)' /proc/cmdline && exit 3
  20 fi
  21
  22 case $1 in
  23   start)  echo "$1ing ZFS filesystems"
  24
  25     # Delay until all required block devices are present.
  26     udevadm settle
  27
  28     if ! grep "zfs" /proc/modules > /dev/null; then
  29       echo "ZFS kernel module not loaded yet; loading...";
  30       if ! modprobe zfs; then
  31         echo "Failed to load ZFS kernel module...";
  32         exit 0;
  33       fi
  34     fi
  35
  36     if ! [ `uname -m` == "x86_64" ]; then
  37       echo "Warning: You're not running 64bit. Currently native zfs in";
  38       echo "         linux is only supported and tested on 64bit.";
  39       # should we break here? People doing this should know what they
  40       # do, thus i'm not breaking here.
  41     fi
  42
  43     # mount the filesystems
  44     while IFS= read -r -d $'\n' dev; do
  45       mdev=$(echo "$dev" | awk '{ print $1; }')
  46       echo -n "mounting $mdev..."
  47       if $ZFS mount $mdev; then
  48         echo -e "done";
  49       else
  50         echo -e "failed";
  51       fi
  52     done < <($ZFS list -H);
  53
  54     # export the filesystems
  55     echo -n "exporting ZFS filesystems..."
  56     if $ZFS share -a; then
  57       echo -e "done";
  58     else
  59       echo -e "failed";
  60     fi
  61
  62
  63   ;;
  64
  65   stop)  echo "$1ping ZFS filesystems"
  66
  67     if grep "zfs" /proc/modules > /dev/null; then
  68       # module is loaded, so we can try to umount filesystems
  69       while IFS= read -r -d $'\n' dev; do
  70         mdev=$(echo "$dev" | awk '{ print $1 }');
  71         echo -n "umounting $mdev...";
  72         if $ZFS umount $mdev; then
  73           echo -e "done";
  74         else
  75           echo -e "failed";
  76         fi
  77         # the next line is, because i have to reverse the
  78         # output, otherwise it wouldn't work as it should
  79       done < <($ZFS list -H | tac);
  80
  81       # and finally let's rmmod the module
  82       rmmod zfs
  83
  84
  85     else
  86       # module not loaded, no need to umount anything
  87       exit 0
  88     fi
  89
  90   ;;
  91
  92   restart) echo "$1ing ZFS filesystems"
  93     $0 stop
  94     $0 start
  95   ;;
  96
  97   *)  echo "Usage: $0 {start|stop|restart}"
  98   ;;
  99
 100 esac