etc/init.d/zfs.gentoo.in

   1 #!/sbin/runscript
   2 # Copyright 1999-2011 Gentoo Foundation
   3 # Released under the 2-clause BSD license.
   4 # $Header: /var/cvsroot/gentoo-x86/sys-fs/zfs/files/zfs,v 0.9 2011/04/30 10:13:43 devsk Exp $
   5
   6 if [ -z "$init" ]; then
   7     # Not interactive
   8     grep -qE '(^|[^\\](\\\\)* )zfs=(off|no)( |$)' /proc/cmdline && exit 3
   9 fi
  10
  11 depend()
  12 {
  13         # Try to allow people to mix and match fstab with ZFS in a way that makes sense.
  14         if [ "$(mountinfo -s /)" = 'zfs' ]
  15         then
  16                 before localmount
  17         else
  18                 after localmount
  19         fi
  20
  21         # bootmisc will log to /var which may be a different zfs than root.
  22         before bootmisc logger
  23         use mtab
  24         keyword -lxc -openvz -prefix -vserver
  25 }
  26
  27 ZFS="@sbindir@/zfs"
  28 ZPOOL="@sbindir@/zpool"
  29 ZPOOL_CACHE="@sysconfdir@/zfs/zpool.cache"
  30 ZFS_MODULE=zfs
  31
  32 checksystem() {
  33         if [ ! -c /dev/zfs ]; then
  34                 einfo "Checking if ZFS modules present"
  35                 if ! modinfo zfs > /dev/null 2>&1 ; then
  36                         eerror "$ZFS_MODULE not found. Is the ZFS package installed?"
  37                         return 1
  38                 fi
  39         fi
  40         einfo "Checking if zfs userspace tools present"
  41                 if [ ! -x $ZPOOL ]; then
  42                         eerror "$ZPOOL binary not found."
  43                         return 1
  44                 fi
  45                 if [ ! -x $ZFS ]; then
  46                         eerror "$ZFS binary not found."
  47                         return 1
  48                 fi
  49         return 0
  50 }
  51
  52 start() {
  53         ebegin "Starting ZFS"
  54         checksystem || return 1
  55
  56         # Delay until all required block devices are present.
  57         udevadm settle
  58
  59         if [ ! -c /dev/zfs ]; then
  60                 modprobe $ZFS_MODULE
  61                 rv=$?
  62                 if [ $rv -ne 0 ]; then
  63                         eerror "Failed to load the $ZFS_MODULE module, check 'dmesg|tail'."
  64                         eend $rv
  65                         return $rv
  66                 fi
  67         fi
  68
  69         # Import all pools described by the cache file, and then mount
  70         # all filesystem based on their properties.
  71         if [ -f $ZPOOL_CACHE ]; then
  72                 einfo "Importing ZFS pools"
  73                 # as per fedora script, import can fail if all pools are already imported
  74                 # The check for $rv makes no sense...but someday, it will work right.
  75                 $ZPOOL import -c $ZPOOL_CACHE -aN 2>/dev/null || true
  76                 rv=$?
  77                 if [ $rv -ne 0 ]; then
  78                         eerror "Failed to import not-yet imported pools."
  79                         eend $rv
  80                         return $rv
  81                 fi
  82         fi
  83
  84         einfo "Mounting ZFS filesystems"
  85         $ZFS mount -a
  86         rv=$?
  87         if [ $rv -ne 0 ]; then
  88                 eerror "Failed to mount ZFS filesystems."
  89                 eend $rv
  90                 return $rv
  91         fi
  92
  93         einfo "Exporting ZFS filesystems"
  94         $ZFS share -a
  95         rv=$?
  96         if [ $rv -ne 0 ]; then
  97                 eerror "Failed to export ZFS filesystems."
  98                 eend $rv
  99                 return $rv
 100         fi
 101
 102         eend 0
 103         return 0
 104 }
 105
 106 stop()
 107 {
 108         ebegin "Unmounting ZFS filesystems"
 109         $ZFS umount -a
 110         rv=$?
 111         if [ $rv -ne 0 ]; then
 112                 einfo "Some ZFS filesystems not unmounted"
 113         fi
 114
 115         # Don't fail if we couldn't umount everything.  /usr might be in use.
 116         eend 0
 117         return 0
 118 }
 119
 120 status()
 121 {
 122         # show pool status and list
 123         $ZPOOL status && echo && $ZPOOL list
 124 }