etc/init.d/zfs.gentoo.in

   1 #!/sbin/runscript
   2 # Copyright 1999-2011 Gentoo Foundation
   3 # Distributed under the terms of the GNU General Public License v2
   4 # $Header: /var/cvsroot/gentoo-x86/sys-fs/zfs/files/zfs,v 0.9 2011/04/30 10:13:43 devsk Exp $
   5
   6 depend()
   7 {
   8         # bootmisc will log to /var which may be a different zfs than root.
   9         before net bootmisc
  10         after udev localmount
  11         keyword -lxc -openvz -prefix -vserver
  12 }
  13
  14 ZFS="@sbindir@/zfs"
  15 ZPOOL="@sbindir@/zpool"
  16 ZPOOL_CACHE="@sysconfdir@/zfs/zpool.cache"
  17 ZFS_MODULE=zfs
  18
  19 checksystem() {
  20         if [ ! -c /dev/zfs ]; then
  21                 einfo "Checking if ZFS modules present"
  22                 if ! modinfo zfs > /dev/null 2>&1 ; then
  23                         eerror "$ZFS_MODULE not found. Is the ZFS package installed?"
  24                         return 1
  25                 fi
  26         fi
  27         einfo "Checking if zfs userspace tools present"
  28                 if [ ! -x $ZPOOL ]; then
  29                         eerror "$ZPOOL binary not found."
  30                         return 1
  31                 fi
  32                 if [ ! -x $ZFS ]; then
  33                         eerror "$ZFS binary not found."
  34                         return 1
  35                 fi
  36         return 0
  37 }
  38
  39 start() {
  40         ebegin "Starting ZFS"
  41         checksystem || return 1
  42
  43         # Delay until all required block devices are present.
  44         udevadm settle
  45
  46         if [ ! -c /dev/zfs ]; then
  47                 modprobe $ZFS_MODULE
  48                 rv=$?
  49                 if [ $rv -ne 0 ]; then
  50                         eerror "Failed to load the $ZFS_MODULE module, check 'dmesg|tail'."
  51                         eend $rv
  52                         return $rv
  53                 fi
  54         fi
  55
  56         # Import all pools described by the cache file, and then mount
  57         # all filesystem based on their properties.
  58         if [ -f $ZPOOL_CACHE ]; then
  59                 einfo "Importing ZFS pools"
  60                 # as per fedora script, import can fail if all pools are already imported
  61                 # The check for $rv makes no sense...but someday, it will work right.
  62                 $ZPOOL import -c $ZPOOL_CACHE -aN 2>/dev/null || true
  63                 rv=$?
  64                 if [ $rv -ne 0 ]; then
  65                         eerror "Failed to import not-yet imported pools."
  66                         eend $rv
  67                         return $rv
  68                 fi
  69         fi
  70
  71         einfo "Mounting ZFS filesystems"
  72         $ZFS mount -a
  73         rv=$?
  74         if [ $rv -ne 0 ]; then
  75                 eerror "Failed to mount ZFS filesystems."
  76                 eend $rv
  77                 return $rv
  78         fi
  79
  80         einfo "Exporting ZFS filesystems"
  81         $ZFS share -a
  82         rv=$?
  83         if [ $rv -ne 0 ]; then
  84                 eerror "Failed to export ZFS filesystems."
  85                 eend $rv
  86                 return $rv
  87         fi
  88
  89         eend 0
  90         return 0
  91 }
  92
  93 stop()
  94 {
  95         ebegin "Unmounting ZFS filesystems"
  96         $ZFS umount -a
  97         rv=$?
  98         if [ $rv -ne 0 ]; then
  99                 einfo "Some ZFS filesystems not unmounted"
 100         fi
 101
 102         # Don't fail if we couldn't umount everything.  /usr might be in use.
 103         eend 0
 104         return 0
 105 }
 106
 107 status()
 108 {
 109         # show pool status and list
 110         $ZPOOL status && echo && $ZPOOL list
 111 }