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 $special` 171 ;; 172 esac 173 174 if [ "$fstype" = "cachefs" ]; then 175 # Mount read-only without the cache. 176 case "$mntopts" in 177 *backfstype=nfs*) 178 cfsbacktype=nfs 179 ;; 180 *backfstype=hsfs*) 181 cfsbacktype=hsfs 182 ;; 183 *) 184 cecho 'stmsboot: invalid vfstab entry for /usr' 185 cfsbacktype=nfs 186 ;; 187 esac 188 # see the comment below for /dev/null 189 $MOUNT -m -F $cfsbacktype -o ro $new_special $mountp \ 190>/dev/null 2>&1 191 ret_val=$? 192 else 193 # 194 # Must use -o largefiles here to ensure the read-only 195 # mount does not fail as a result of having a large 196 # file present on /usr. 197 # 198 if [ "$mntopts" = "-" ]; then 199 mntopts='ro,largefiles' 200 else 201 checkopt largefiles $mntopts 202 if [ "$option" != "largefiles" ]; then 203 mntopts="largefiles,$mntopts" 204 fi 205 206 checkopt ro $mntopts 207 if [ "$option" != "ro" ]; then 208 mntopts="ro,$mntopts" 209 fi 210 211 # Requesting logging on a read-only mount 212 # causes errors to be displayed, so remove 213 # "logging" from the list of options. 214 checkopt logging $mntopts 215 if [ "$option" = "logging" ]; then 216 mntopts="$otherops" 217 fi 218 fi 219 220 # In case of a manual restart of the service, mount 221 # will emit messages if /usr is already mounted. 222 # So redirect the output to /dev/null. 223 $MOUNT -m -F $fstype -o $mntopts $new_special /usr \ 224>/dev/null 2>&1 225 ret_val=$? 226 fi 227 if [ $ret_val -eq 0 ]; then 228 usrmounted=1 229 fi 230 fi 231 232 return $ret_val 233} 234 235# update system dump configuration 236update_dumpconf() 237{ 238 # Disable device-in-use checking (done in libdiskmgt). 239 # Without disabling this check, the configuration of dump device 240 # would fail as the device-in-use code incorrectly concludes that 241 # the device is in use and hence prevents configuration of the dump 242 # device. 243 NOINUSE_CHECK=1 244 export NOINUSE_CHECK 245 246 DUMPISZFS=`$AWK -F"=" '/DUMPADM_DEVICE/ {print $2}' /etc/dumpadm.conf|$EGREP zvol` 247 if [ -z "$DUMPISZFS" ]; then 248 set -- `$DUMPADM -u 2>&1 | $EGREP 'cannot use /dev.* as dump device'` 249 if [ -n "$4" ]; then 250 newname=`$STMSBOOTUTIL -m $4` 251 if [ $? -eq 0 ]; then 252 if $DUMPADM -d $newname > /dev/msglog 2> /dev/console; then 253 cecho "stmsboot: dump configuration \ 254 has been updated." 255 else 256 mpxio_error "failed to configure \ 257 the dump device.\nold \ 258 dump device name: $4" 259 return 1 260 fi 261 fi 262 fi 263 else 264 # make sure we can get to it, force zfs to load fully 265 $LS $DUMPISZFS >>/dev/null 2>&1 266 cecho "stmsboot: dump on ZFS, no dumpadm update required" 267 fi 268 return 0 269} 270 271# Update bootpath for x86 here when we are enabling mpxio on root 272update_bootpath() 273{ 274 cur_bootpath=`$STMSBOOTUTIL -b` 275 if [ $? -ne 0 ]; then 276 cecho "stmsboot: ERROR! Unable to retrieve bootpath property\n" 277 exit 1 278 fi 279 280 # Since on x64 platforms the eeprom command doesn't update the 281 # kernel, the file /boot/solaris/bootenv.rc and the kernel's 282 # bootpath variable have a good chance of differing. We do some 283 # extra handwaving to get the correct bootpath variable setting. 284 285 ONDISKVER=`$AWK '/bootpath/ {print $3}' /boot/solaris/bootenv.rc|\ 286 $SED -e"s,',,g"` 287 if [ "$ONDISKVER" != "$cur_bootpath" ]; then 288 cur_bootpath="$ONDISKVER" 289 fi 290 291 NEWBOOTPATH="" 292 for path in $cur_bootpath; do 293 mapped=`$STMSBOOTUTIL -p $path` 294 if [ "$mapped" != "NOT_MAPPED" ]; then 295 if [ "$mapped" != "$path" ]; then 296 NEWBOOTPATH=`echo "$path " | \ 297 $SED -e"s|$path|$mapped|"`" $NEWBOOTPATH" 298 else 299 NEWBOOTPATH="$NEWBOOTPATH $path" 300 fi 301 fi 302 done 303 # now strip off leading and trailing space chars 304 new_bootpath=`echo $NEWBOOTPATH` 305 $EEPROM bootpath="$new_bootpath" 306 cecho "stmsboot: bootpath has been updated" 307 cecho "" 308} 309 310# Now do the actual work 311mpxio_main() 312{ 313 # NOTE: If the first attempt to run the service has failed due to an 314 # expected error, users should be able to manually rerun the service. 315 # 316 # First mount /usr read only. This must be done to run 317 # utilities such as fsck and devfsadm. 318 # In the case of a manual rerun of the service, mounting of /usr here 319 # fails if /usr already happens to be mounted. It is better that we 320 # do not mount /usr if already mounted, but there seems to be no 321 # apparent way to check whether /usr is mounted or not as we mount 322 # /usr without making an entry into /etc/mnttab. So instead of 323 # explicitly checking for mount failures, we just do a sanity check 324 # by looking for some file (in this case devfsadm) in /usr. 325 # 326 mpxio_mount_usr 327 if [ ! -s $DEVFSADM ]; then 328 mpxio_error "failed to mount the /usr filesystem." 329 return 330 fi 331 332 if mpxio_mount_root; then 333 # create /dev links 334 cecho "stmsboot: configuring devices" 335 $DEVFSADM 336 337 if [ -n "$ISROOTDEVPATH" ]; then 338 ISROOTDEV=`$STMSBOOTUTIL -o $ISROOTDEVPATH` 339 fi 340 341 # update /etc/vfstab to reflect device name changes 342 $STMSBOOTUTIL -u >/dev/msglog 2>&1 343 if [ $? -eq 0 ]; then 344 $CP /etc/vfstab /etc/vfstab.old 345 # handle active-active paths, where the probe order 346 # for the hba reports a different path to what the 347 # boot-device variable gives us 348 if [ -n "$ISROOTDEV" ]; then 349 ROOTDEVCHK=`grep $ISROOTDEV /etc/vfstab` 350 if [ $? -ne 0 ]; then 351 # we got a different path for root 352 exec < $SAVEDIR/vfstab.new; readvfstab / 353 FILEDEV=`$ECHO $special | \ 354 $SED -e"s,/dev/dsk/,," -e"s,s[0-9]*,,"` 355 $SED -e"s,$FILEDEV,$ISROOTDEV,g" < \ 356 $SAVEDIR/vfstab.new > /etc/vfstab 357 fi 358 else 359 $CP $SAVEDIR/vfstab.new /etc/vfstab 360 fi 361 $RM $SAVEDIR/vfstab.new 362 cecho "" 363 cecho "stmsboot: vfstab has been updated" 364 365 update_dumpconf 366 367 MACH=`$UNAME -p` 368 if [ "$MACH" = "i386" ]; then 369 # only update bootpath here for x86 370 update_bootpath 371 fi 372 cecho "stmsboot: now regenerating boot archive" 373 $BOOTADM update-archive 374 else 375 mpxio_error "failed to update /etc/vfstab." 376 fi 377 378 $SVCADM disable system/device/mpxio-upgrade 379 380 if [ $usrmounted -eq 1 ]; then 381 cecho "stmsboot: rebooting the system now." 382 $REBOOT 383 fi 384 else 385 mpxio_error "failed to mount the root filesystem." 386 fi 387} 388 389mpxio_main 390