usr/src/cmd/svc/milestone/fs-minimal

   1 #!/bin/sh
   2 #
   3 # CDDL HEADER START
   4 #
   5 # The contents of this file are subject to the terms of the
   6 # Common Development and Distribution License (the "License").
   7 # You may not use this file except in compliance with the License.
   8 #
   9 # You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
  10 # or http://www.opensolaris.org/os/licensing.
  11 # See the License for the specific language governing permissions
  12 # and limitations under the License.
  13 #
  14 # When distributing Covered Code, include this CDDL HEADER in each
  15 # file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  16 # If applicable, add the following below this CDDL HEADER, with the
  17 # fields enclosed by brackets "[]" replaced with your own identifying
  18 # information: Portions Copyright [yyyy] [name of copyright owner]
  19 #
  20 # CDDL HEADER END
  21 #
  22 #
  23 # Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
  24 # Use is subject to license terms.
  25 #
  26 # Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T.
  27 # All rights reserved.
  28 #
  29 #
  30
  31 . /lib/svc/share/smf_include.sh
  32 . /lib/svc/share/fs_include.sh
  33
  34 # Mount other file systems to be available in single user mode.
  35 # Currently, these are /var, /var/adm, /var/run and /tmp.  A change
  36 # here will require a modification to the following programs (and
  37 # documentation): /sbin/mountall, /sbin/umountall, and
  38 # /lib/svc/bin/svc.startd.
  39
  40 rootiszfs=0
  41 readmnttab / < /etc/mnttab
  42 if [ "$fstype" = zfs ] ; then
  43         rootiszfs=1
  44         be=$special
  45 fi
  46
  47 for fs in /var /var/adm /tmp; do
  48         readvfstab $fs < $vfstab
  49         if [ -n "$mountp" ]; then
  50                 mounted $mountp $mntopts $fstype < /etc/mnttab && continue
  51                 checkfs $fsckdev $fstype $mountp || exit $SMF_EXIT_ERR_FATAL
  52                 mountfs -O $mountp $fstype $mntopts - ||
  53                     exit $SMF_EXIT_ERR_FATAL
  54                 continue
  55         fi
  56         if [ "$rootiszfs" = 1 ]; then
  57                 mountpt=`zfs get -H -o value mountpoint $be$fs 2>/dev/null`
  58                 if [ $? = 0 ] ; then
  59                         if [ "x$mountpt" = "x$fs" ] ; then
  60                                 /sbin/zfs mount -O $be$fs
  61                         fi
  62                 fi
  63         fi
  64 done
  65
  66 mounted /var/run - tmpfs < /etc/mnttab
  67 if [ $? != 0 ] ; then
  68         mountfs -O /var/run tmpfs - swap || exit $SMF_EXIT_ERR_FATAL
  69 fi
  70
  71 if [ ! -f /var/run/tzsync ] ; then
  72         /sbin/tzreload -I
  73 fi
  74
  75 if [ "$rootiszfs" = 1 ] ; then
  76         /sbin/zfs list -rH -o mountpoint -s mountpoint -t filesystem $be | \
  77             while read mountp ; do
  78                 if [ "x$mountp" != "x" -a "$mountp" != "legacy" ] ; then
  79                         mounted $mountp - zfs < /etc/mnttab  && continue
  80                         /sbin/zfs mount $be$mountp
  81                 fi
  82         done
  83 fi
  84
  85 exit $SMF_EXIT_OK