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 (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# 24# Copyright (c) 2004, 2010, Oracle and/or its affiliates. All rights reserved. 25# Copyright 2016 Nexenta Systems, Inc. 26# 27 28. /lib/svc/share/fs_include.sh 29. /lib/svc/share/net_include.sh 30 31# Make sure that the essential libraries can be found. 32LD_LIBRARY_PATH=/lib; export LD_LIBRARY_PATH 33STMSBOOTUTIL=/lib/mpxio/stmsboot_util 34SAVEDIR=/etc/mpxio 35BOOTDEVICES=$SAVEDIR/boot-devices 36RECOVERFILE=$SAVEDIR/recover_instructions 37DEVFSADM=/usr/sbin/devfsadm 38DUMPADM=/usr/sbin/dumpadm 39ISROOTDEV="" 40ISROOTDEVPATH="" 41usrmounted=0 42UNAME=/usr/bin/uname 43ECHO=/usr/bin/echo 44CAT=/usr/bin/cat 45CP=/usr/bin/cp 46DF=/usr/bin/df 47LS=/usr/bin/ls 48RM=/usr/bin/rm 49EGREP=/usr/bin/egrep 50SED=/usr/bin/sed 51ZPOOL=/usr/sbin/zpool 52AWK=/usr/bin/awk 53MOUNT=/sbin/mount 54UMOUNT=/sbin/mount 55EEPROM=/usr/sbin/eeprom 56BOOTADM=/usr/sbin/bootadm 57SVCADM=/usr/sbin/svcadm 58REBOOT=/usr/sbin/reboot 59 60mpxio_error() 61{ 62 cecho "\nERROR: stmsboot: $1" 63 # 64 # display recovery instructions - the first call logs to the service 65 # log and the second call displays on the console. 66 # 67 shcat $RECOVERFILE 68 shcat $RECOVERFILE >/dev/msglog 2>&1 69 cecho "These instructions were also logged to the file $RECOVERFILE\n" 70} 71 72# 73# root ("/") is already mounted read only by the kernel. 74# Remount the root read-write. 75# 76mpxio_mount_root() 77{ 78 HASZFSROOT=`$DF -g / |grep zfs` 79 RVAL="" 80 81 # In single-user maintenance mode, we don't have a writable 82 # root partition, so we _cannot_ use devlinks. Therefore we 83 # have to do some dancing - first mount the physical path 84 # read-write, then re-run $STMSBOOTUTIL to get the real 85 # devlink mapping, and then re-mount the root slice. Of course, 86 # if we all used ZFS this wouldn't be such a pain! 87 exec < $vfstab; readvfstab / 88 # ZFS root environments should _not_ have an entry for / 89 # in their /etc/vfstab. 90 if [ -n "$special" ]; then 91 # sanity check for ZFSRoot _and_ / in /etc/vfstab 92 if [ -n "$HASZFSROOT" ]; then 93 # ERROR - this would cause a failure later 94 # so let root know about it now and provide 95 # a chance to handle it before filesystem/usr 96 cecho "stmsboot: System has ZFS Root *and* an entry for / in /etc/vfstab\nstmsboot: Please remove the / entry from /etc/vfstab and then run\n# svcadm clear mpxio-upgrade" 97 exit 1 98 fi 99 ISPHYS=`echo $special |$AWK '/^\/dev\/dsk/ {print}'`; 100 if [ -z "$ISPHYS" ]; then 101 # a metadevice, /dev/vx 102 new_special=$special 103 $MOUNT -o remount,rw $new_special / >/dev/msglog 2>&1 104 else 105 new_special=`$STMSBOOTUTIL -m $special` 106 if [ "$new_special" = "NOT_MAPPED" ]; then 107 # this is a bad state to be in, exit 108 cecho "Error: Your root device is not mapped." 109 exit 1 110 fi 111 checkopt "llock" $mntopts 112 mntopts='remount' 113 [ -n "$otherops" ] && mntopts="${mntopts},${otherops}" 114 RVAL=`$MOUNT -m -F $fstype -o $mntopts $new_special \ 115 $mountp >/dev/msglog 2>&1` 116 # if we've got active-active paths to our rootvp and 117 # the first path returned by $STMSBOOTUTIL is not the 118 # same as the one we booted from, then we need some 119 # handwaving due to restrictions in the ufs module 120 # (see the remountfs() function in 121 # $SRC/uts/common/fs/ufs/ufs_vfsops.c) 122 if [ $? -eq 0 ]; then 123 # now re-run $STMSBOOTUTIL to get the real 124 # mapping for this device 125 new_special=`$STMSBOOTUTIL -m $special` 126 # mount root for real 127 $MOUNT -o remount,rw $new_special / \ 128 >/dev/msglog 2>&1 129 else 130 for device in `$CAT $BOOTDEVICES`; do 131 new_special="/devices${device}" 132 $MOUNT -m -F $fstype -o $mntopts \ 133 $new_special $mountp >/dev/msglog 2>&1 134 if [ $? -eq 0 ]; then 135 # success, break out 136 ISROOTDEVPATH=`$ECHO $device | \ 137 $AWK -F":" '{print $1}'` 138 break; 139 fi 140 done 141 if [ -n "$RVAL" ]; then 142 cecho "Error: Unable to remount your root device" 143 exit 1; 144 fi 145 fi 146 fi 147 else 148 if [ -z "$HASZFSROOT" ]; then 149 cecho "stmsboot: Error: your root slice is invalid" 150 exit 1 151 else 152 cecho "stmsboot: Root is on ZFS" 153 fi 154 fi 155} 156 157# 158# mount /usr read only 159# 160mpxio_mount_usr() 161{ 162 exec < $vfstab; readvfstab "/usr" 163 ret_val=0 164 if [ -n "$mountp" ]; then 165 case "$special" in 166 /dev/vx/*) 167 new_special=$special 168 ;; 169 *) 170 new_special=`$STMSBOOTUTIL -m $special` 171 ;; 172 esac 173 174 # 175 # Must use -o largefiles here to ensure the read-only 176 # mount does not fail as a result of having a large 177 # file present on /usr. 178 # 179 if [ "$mntopts" = "-" ]; then 180 mntopts='ro,largefiles' 181 else 182 checkopt largefiles $mntopts 183 if [ "$option" != "largefiles" ]; then 184 mntopts="largefiles,$mntopts" 185 fi 186 187 checkopt ro $mntopts 188 if [ "$option" != "ro" ]; then 189 mntopts="ro,$mntopts" 190 fi 191 192 # Requesting logging on a read-only mount 193 # causes errors to be displayed, so remove 194 # "logging" from the list of options. 195 checkopt logging $mntopts 196 if [ "$option" = "logging" ]; then 197 mntopts="$otherops" 198 fi 199 fi 200 201 # In case of a manual restart of the service, mount 202 # will emit messages if /usr is already mounted. 203 # So redirect the output to /dev/null. 204 $MOUNT -m -F $fstype -o $mntopts $new_special /usr \ 205>/dev/null 2>&1 206 ret_val=$? 207 if [ $ret_val -eq 0 ]; then 208 usrmounted=1 209 fi 210 fi 211 212 return $ret_val 213} 214 215# update system dump configuration 216update_dumpconf() 217{ 218 # Disable device-in-use checking (done in libdiskmgt). 219 # Without disabling this check, the configuration of dump device 220 # would fail as the device-in-use code incorrectly concludes that 221 # the device is in use and hence prevents configuration of the dump 222 # device. 223 NOINUSE_CHECK=1 224 export NOINUSE_CHECK 225 226 DUMPISZFS=`$AWK -F"=" '/DUMPADM_DEVICE/ {print $2}' /etc/dumpadm.conf|$EGREP zvol` 227 if [ -z "$DUMPISZFS" ]; then 228 set -- `$DUMPADM -u 2>&1 | $EGREP 'cannot use /dev.* as dump device'` 229 if [ -n "$4" ]; then 230 newname=`$STMSBOOTUTIL -m $4` 231 if [ $? -eq 0 ]; then 232 if $DUMPADM -d $newname > /dev/msglog 2> /dev/console; then 233 cecho "stmsboot: dump configuration \ 234 has been updated." 235 else 236 mpxio_error "failed to configure \ 237 the dump device.\nold \ 238 dump device name: $4" 239 return 1 240 fi 241 fi 242 fi 243 else 244 # make sure we can get to it, force zfs to load fully 245 $LS $DUMPISZFS >>/dev/null 2>&1 246 cecho "stmsboot: dump on ZFS, no dumpadm update required" 247 fi 248 return 0 249} 250 251# Update bootpath for x86 here when we are enabling mpxio on root 252update_bootpath() 253{ 254 cur_bootpath=`$STMSBOOTUTIL -b` 255 if [ $? -ne 0 ]; then 256 cecho "stmsboot: ERROR! Unable to retrieve bootpath property\n" 257 exit 1 258 fi 259 260 # Since on x64 platforms the eeprom command doesn't update the 261 # kernel, the file /boot/solaris/bootenv.rc and the kernel's 262 # bootpath variable have a good chance of differing. We do some 263 # extra handwaving to get the correct bootpath variable setting. 264 265 ONDISKVER=`$AWK '/bootpath/ {print $3}' /boot/solaris/bootenv.rc|\ 266 $SED -e"s,',,g"` 267 if [ "$ONDISKVER" != "$cur_bootpath" ]; then 268 cur_bootpath="$ONDISKVER" 269 fi 270 271 NEWBOOTPATH="" 272 for path in $cur_bootpath; do 273 mapped=`$STMSBOOTUTIL -p $path` 274 if [ "$mapped" != "NOT_MAPPED" ]; then 275 if [ "$mapped" != "$path" ]; then 276 NEWBOOTPATH=`echo "$path " | \ 277 $SED -e"s|$path|$mapped|"`" $NEWBOOTPATH" 278 else 279 NEWBOOTPATH="$NEWBOOTPATH $path" 280 fi 281 fi 282 done 283 # now strip off leading and trailing space chars 284 new_bootpath=`echo $NEWBOOTPATH` 285 $EEPROM bootpath="$new_bootpath" 286 cecho "stmsboot: bootpath has been updated" 287 cecho "" 288} 289 290# Now do the actual work 291mpxio_main() 292{ 293 # NOTE: If the first attempt to run the service has failed due to an 294 # expected error, users should be able to manually rerun the service. 295 # 296 # First mount /usr read only. This must be done to run 297 # utilities such as fsck and devfsadm. 298 # In the case of a manual rerun of the service, mounting of /usr here 299 # fails if /usr already happens to be mounted. It is better that we 300 # do not mount /usr if already mounted, but there seems to be no 301 # apparent way to check whether /usr is mounted or not as we mount 302 # /usr without making an entry into /etc/mnttab. So instead of 303 # explicitly checking for mount failures, we just do a sanity check 304 # by looking for some file (in this case devfsadm) in /usr. 305 # 306 mpxio_mount_usr 307 if [ ! -s $DEVFSADM ]; then 308 mpxio_error "failed to mount the /usr filesystem." 309 return 310 fi 311 312 if mpxio_mount_root; then 313 # create /dev links 314 cecho "stmsboot: configuring devices" 315 $DEVFSADM 316 317 if [ -n "$ISROOTDEVPATH" ]; then 318 ISROOTDEV=`$STMSBOOTUTIL -o $ISROOTDEVPATH` 319 fi 320 321 # update /etc/vfstab to reflect device name changes 322 $STMSBOOTUTIL -u >/dev/msglog 2>&1 323 if [ $? -eq 0 ]; then 324 $CP /etc/vfstab /etc/vfstab.old 325 # handle active-active paths, where the probe order 326 # for the hba reports a different path to what the 327 # boot-device variable gives us 328 if [ -n "$ISROOTDEV" ]; then 329 ROOTDEVCHK=`grep $ISROOTDEV /etc/vfstab` 330 if [ $? -ne 0 ]; then 331 # we got a different path for root 332 exec < $SAVEDIR/vfstab.new; readvfstab / 333 FILEDEV=`$ECHO $special | \ 334 $SED -e"s,/dev/dsk/,," -e"s,s[0-9]*,,"` 335 $SED -e"s,$FILEDEV,$ISROOTDEV,g" < \ 336 $SAVEDIR/vfstab.new > /etc/vfstab 337 fi 338 else 339 $CP $SAVEDIR/vfstab.new /etc/vfstab 340 fi 341 $RM $SAVEDIR/vfstab.new 342 cecho "" 343 cecho "stmsboot: vfstab has been updated" 344 345 update_dumpconf 346 347 MACH=`$UNAME -p` 348 if [ "$MACH" = "i386" ]; then 349 # only update bootpath here for x86 350 update_bootpath 351 fi 352 cecho "stmsboot: now regenerating boot archive" 353 $BOOTADM update-archive 354 else 355 mpxio_error "failed to update /etc/vfstab." 356 fi 357 358 $SVCADM disable system/device/mpxio-upgrade 359 360 if [ $usrmounted -eq 1 ]; then 361 cecho "stmsboot: rebooting the system now." 362 $REBOOT 363 fi 364 else 365 mpxio_error "failed to mount the root filesystem." 366 fi 367} 368 369mpxio_main 370