1#!/sbin/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, Version 1.0 only 7# (the "License"). You may not use this file except in compliance 8# with the License. 9# 10# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 11# or http://www.opensolaris.org/os/licensing. 12# See the License for the specific language governing permissions 13# and limitations under the License. 14# 15# When distributing Covered Code, include this CDDL HEADER in each 16# file and include the License file at usr/src/OPENSOLARIS.LICENSE. 17# If applicable, add the following below this CDDL HEADER, with the 18# fields enclosed by brackets "[]" replaced with your own identifying 19# information: Portions Copyright [yyyy] [name of copyright owner] 20# 21# CDDL HEADER END 22# 23# 24# Copyright 2004 Sun Microsystems, Inc. All rights reserved. 25# Use is subject to license terms. 26# 27#ident "%Z%%M% %I% %E% SMI" 28 29. /lib/svc/share/fs_include.sh 30. /lib/svc/share/net_include.sh 31 32# Make sure that the essential libraries can be found. 33LD_LIBRARY_PATH=/lib; export LD_LIBRARY_PATH 34STMSBOOTUTIL=/lib/mpxio/stmsboot_util 35FPCONF=/kernel/drv/fp.conf 36SAVEDIR=/etc/mpxio 37RECOVERFILE=$SAVEDIR/recover_instructions 38DEVFSADM=/usr/sbin/devfsadm 39METADEVADM=/usr/sbin/metadevadm 40usrmounted=0 41 42# map $special and $fsckdev 43mpxio_mapdev() 44{ 45 new_special=`$STMSBOOTUTIL -m $special` 46 if [ $? -eq 0 ]; then 47 special=$new_special 48 fi 49 50 new_fsckdev=`$STMSBOOTUTIL -m $fsckdev` 51 if [ $? -eq 0 ]; then 52 fsckdev=$new_fsckdev 53 fi 54} 55 56mpxio_error() 57{ 58 cecho "\nERROR: stmsboot: $1" 59 # 60 # display recovery instructions - the first call logs to the service 61 # log and the second call displays on the console. 62 # 63 shcat $RECOVERFILE 64 shcat $RECOVERFILE >/dev/msglog 2>&1 65 cecho "These instructions were also logged to the file $RECOVERFILE\n" 66} 67 68# 69# root ("/") is already mounted read only by the kernel. 70# Remount the root read-write. 71# 72mpxio_mount_root() 73{ 74 exec < $vfstab; readvfstab / 75 mpxio_mapdev 76 77 checkopt "llock" $mntopts 78 mntopts='remount' 79 [ -n "$otherops" ] && mntopts="${mntopts},${otherops}" 80 /sbin/mount -m -F $fstype -o $mntopts $special $mountp \ 81>/dev/msglog 2>&1 82} 83 84# 85# mount /usr read only 86# 87mpxio_mount_usr() 88{ 89 exec < $vfstab; readvfstab "/usr" 90 ret_val=0 91 if [ -n "$mountp" ]; then 92 mpxio_mapdev 93 if [ "$fstype" = cachefs ]; then 94 # Mount read-only without the cache. 95 case "$mntopts" in 96 *backfstype=nfs*) 97 cfsbacktype=nfs 98 ;; 99 *backfstype=hsfs*) 100 cfsbacktype=hsfs 101 ;; 102 *) 103 cecho 'stmsboot: invalid vfstab entry for /usr' 104 cfsbacktype=nfs 105 ;; 106 esac 107 # see the comment below for /dev/null 108 /sbin/mount -m -F $cfsbacktype -o ro $special $mountp \ 109>/dev/null 2>&1 110 ret_val=$? 111 else 112 # 113 # Must use -o largefiles here to ensure the read-only 114 # mount does not fail as a result of having a large 115 # file present on /usr. 116 # 117 if [ "x$mntopts" = x- ]; then 118 mntopts='ro,largefiles' 119 else 120 checkopt largefiles $mntopts 121 if [ "x$option" != xlargefiles ]; then 122 mntopts="largefiles,$mntopts" 123 fi 124 125 checkopt ro $mntopts 126 if [ "x$option" != xro ]; then 127 mntopts="ro,$mntopts" 128 fi 129 130 # 131 # Requesting logging on a read-only mount 132 # causes errors to be displayed, so remove 133 # "logging" from the list of options. 134 # 135 136 checkopt logging $mntopts 137 if [ "x$option" = xlogging ]; then 138 mntopts="$otherops" 139 fi 140 fi 141 142 # 143 # In case of a manual restart of the service, mount 144 # will emit messages if /usr is already mounted. 145 # So redirect the output to /dev/null. 146 # 147 /sbin/mount -m -F $fstype -o $mntopts $special /usr \ 148>/dev/null 2>&1 149 ret_val=$? 150 fi 151 if [ $ret_val -eq 0 ]; then 152 usrmounted=1 153 fi 154 fi 155 156 return $ret_val 157} 158 159# update system dump configuration 160update_dumpconf() 161{ 162 set -- `dumpadm -u 2>&1 | egrep 'cannot use /dev.* as dump device'` 163 if [ "x$4" != x ]; then 164 newname=`$STMSBOOTUTIL -M $4` 165 if [ $? -eq 0 ]; then 166 if dumpadm -d $newname > /dev/null; then 167 cecho "stmsboot: dump configuration has been \ 168updated." 169 else 170 mpxio_error "failed to configure $newname as \ 171the dump device.\nold dump device name: $4" 172 return 1 173 fi 174 fi 175 fi 176 return 0 177} 178 179# 180# do the actual work 181# 182mpxio_main() 183{ 184 # 185 # NOTE: If the first attempt to run the service has failed due to an 186 # expected error, users should be able to manually rerun the service. 187 # 188 # First mount /usr read only. This must be done to run 189 # utilities such as fsck and devfsadm. 190 # In the case of a manual rerun of the service, mounting of /usr here 191 # fails if /usr already happens to be mounted. It is better that we 192 # do not mount /usr if already mounted, but there seems to be no 193 # apparent way to check whether /usr is mounted or not as we mount 194 # /usr without making an entry into /etc/mnttab. So instead of 195 # explicitly checking for mount failures, we just do a sanity check 196 # by looking for some file (in this case devfsadm) in /usr. 197 # 198 mpxio_mount_usr 199 if [ ! -s $DEVFSADM ]; then 200 mpxio_error "failed to mount the /usr filesystem." 201 return 202 fi 203 204 if mpxio_mount_root; then 205 # create /dev links 206 cecho "stmsboot: configuring devices" 207 $DEVFSADM 208 209 # update /etc/vfstab to reflect device name changes 210 if $STMSBOOTUTIL -u >/dev/msglog 2>&1; then 211 if update_dumpconf; then 212 # update svm configuration to reflect new names 213 if [ -s /kernel/drv/md.conf ] && \ 214 [ -x $METADEVADM ]; then 215 $METADEVADM -r >/dev/msglog 2>&1 216 fi 217 fi 218 else 219 mpxio_error "failed to update /etc/vfstab." 220 fi 221 222 /usr/sbin/svcadm disable platform/sun4u/mpxio-upgrade 223 224 /usr/sbin/reboot 225 else 226 mpxio_error "failed to mount the root filesystem." 227 if [ $usrmounted -eq 1 ]; then 228 /sbin/umount /usr 229 fi 230 fi 231} 232 233mpxio_main 234