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

   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 (c) 1992, 2010, Oracle and/or its affiliates. All rights reserved.
  24 # Copyright 2015 Nexenta Systems, Inc. All rights reserved.
  25 #
  26
  27 # Make sure that the libraries essential to this stage of booting can be found.
  28 LD_LIBRARY_PATH=/lib; export LD_LIBRARY_PATH
  29
  30 . /lib/svc/share/smf_include.sh
  31 . /lib/svc/share/fs_include.sh
  32
  33 #
  34 # Most of the operations in this script are only necessary in the global
  35 # zone but due to the way initialization scripts like this are packaged,
  36 # it needs to currently exist for all zones.
  37 #
  38 if smf_is_nonglobalzone; then
  39         exit $SMF_EXIT_OK
  40 fi
  41
  42 #
  43 # Root is already mounted (by the kernel), but still needs to be
  44 # checked, possibly remounted and entered into mnttab.  First
  45 # mount /usr if it is a separate file system.  If the file system
  46 # type is something other than zfs, mount it read-only.  This must
  47 # be done first to allow utilities such as fsck and setmnt to
  48 # reside on /usr minimizing the space required by the root file
  49 # system.
  50 #
  51 readvfstab "/usr" < $vfstab
  52 if [ -n "$mountp" ]; then
  53         if [ "$fstype" = zfs ]; then
  54                 mountfs - /usr $fstype $mntopts - || exit $SMF_EXIT_ERR_FATAL
  55         else
  56                 #
  57                 # Must use -o largefiles here to ensure the
  58                 # read-only mount does not fail as a result of
  59                 # having a large file present on /usr. This gives
  60                 # fsck a chance to fix up the largefiles flag
  61                 # before we remount /usr read-write.
  62                 #
  63                 if [ "x$mntopts" = x- ]; then
  64                         mntopts='ro,largefiles'
  65                 else
  66                         checkopt largefiles $mntopts
  67                         if [ "x$option" != xlargefiles ]; then
  68                                 mntopts="largefiles,$mntopts"
  69                         fi
  70
  71                         checkopt ro $mntopts
  72                         if [ "x$option" != xro ]; then
  73                                 mntopts="ro,$mntopts"
  74                         fi
  75
  76                         #
  77                         # Requesting logging on a read-only mount
  78                         # causes errors to be displayed, so remove
  79                         # "logging" from the list of options for now.
  80                         # The read-write mount performed later will
  81                         # specify the logging option if appropriate.
  82                         #
  83
  84                         checkopt logging $mntopts
  85                         if [ "x$option" = xlogging ]; then
  86                                 mntopts="$otherops"
  87                         fi
  88                 fi
  89
  90                 mountfs -O /usr $fstype $mntopts - || exit $SMF_EXIT_ERR_FATAL
  91         fi
  92 fi
  93
  94 #
  95 # if we are booted from zfs, the /usr mount probably won't be a
  96 # legacy mount.  Use the standard zfs mount command instead.
  97
  98 readmnttab "/" < /etc/mnttab
  99 if [ "$fstype" = zfs ]; then
 100         mountp=`/sbin/zfs get -H -o value mountpoint $special/usr 2>/dev/null`
 101         #
 102         # if mountp = /usr, there is a non-legacy mount of /usr
 103         # in the boot environment being booted.
 104         #
 105         if [ "x$mountp" = "x/usr" ] ; then
 106                 /sbin/zfs mount $special/usr
 107                 if [ $? != 0 ] ; then
 108                                 msg='zfs-mount failed'
 109                                 echo $msg
 110                                 echo "$SMF_FMRI:" $msg >/dev/msglog
 111                         exit $SMF_EXIT_ERR_FATAL
 112                 fi
 113         fi
 114 fi
 115
 116 #
 117 # Also mount /boot now so that things like keymap.sh can access
 118 # boot properties through eeprom.  Readonly isn't required because
 119 # /boot (and other pcfs filesystems) aren't fsck'ed at boot yet.
 120 # Also, we don't account for caching /boot as it must be on a local
 121 # disk.  So what's in vfstab is fine as it stands; just look to see
 122 # if it's there and avoid the mount if not.
 123 #
 124 readvfstab "/boot" < $vfstab
 125
 126 if [ -n "$mountp" ]; then
 127         mountfs - /boot $fstype $mntopts - || exit $SMF_EXIT_ERR_FATAL
 128 fi
 129
 130 #
 131 # Update kernel driver.conf cache with any additional driver.conf
 132 # files found on /usr, and device permissions from /etc/minor_perm.
 133 #
 134 /usr/sbin/devfsadm -I -P
 135
 136 exit $SMF_EXIT_OK