mpxio-upgrade revision c0e23f97dac5a836608708bd45ede171b8724bd7
c25356d5978632df6203437e1953bcb29e0c736fTimo Sirainen#!/sbin/sh
c25356d5978632df6203437e1953bcb29e0c736fTimo Sirainen#
dc9bfb7dc057964238e181d3d8b08751527bb08aTimo Sirainen# CDDL HEADER START
8759adc67109b5a12a7af3ed717c7040622a0a04Timo Sirainen#
8759adc67109b5a12a7af3ed717c7040622a0a04Timo Sirainen# The contents of this file are subject to the terms of the
8759adc67109b5a12a7af3ed717c7040622a0a04Timo Sirainen# Common Development and Distribution License (the "License").
8759adc67109b5a12a7af3ed717c7040622a0a04Timo Sirainen# You may not use this file except in compliance with the License.
8759adc67109b5a12a7af3ed717c7040622a0a04Timo Sirainen#
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8759adc67109b5a12a7af3ed717c7040622a0a04Timo Sirainen# or http://www.opensolaris.org/os/licensing.
c1277b66e1aaadaae8cb3344b97b60b0fe57ca26Timo Sirainen# See the License for the specific language governing permissions
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dc9bfb7dc057964238e181d3d8b08751527bb08aTimo Sirainen# CDDL HEADER END
12a34eb68607d0f8c7c3dc973ee605e89d44ba30Timo Sirainen#
dc9bfb7dc057964238e181d3d8b08751527bb08aTimo Sirainen#
dc9bfb7dc057964238e181d3d8b08751527bb08aTimo Sirainen# Copyright 2010 Sun Microsystems, Inc. All rights reserved.
dc9bfb7dc057964238e181d3d8b08751527bb08aTimo Sirainen# Use is subject to license terms.
b522f391ef6aa4e527f2eeb5f7daa3da188790b0Timo Sirainen#
b522f391ef6aa4e527f2eeb5f7daa3da188790b0Timo Sirainen
b522f391ef6aa4e527f2eeb5f7daa3da188790b0Timo Sirainen. /lib/svc/share/fs_include.sh
b522f391ef6aa4e527f2eeb5f7daa3da188790b0Timo Sirainen. /lib/svc/share/net_include.sh
d5cebe7f98e63d4e2822863ef2faa4971e8b3a5dTimo Sirainen
dc9bfb7dc057964238e181d3d8b08751527bb08aTimo Sirainen# Make sure that the essential libraries can be found.
39dcbe101c4538ee25d8b196eab30e5f0faa22eeTimo SirainenLD_LIBRARY_PATH=/lib; export LD_LIBRARY_PATH
1d2c463d23f09f15727edae9c78b07ec6a7a27daTimo SirainenSTMSBOOTUTIL=/lib/mpxio/stmsboot_util
1d2c463d23f09f15727edae9c78b07ec6a7a27daTimo SirainenSAVEDIR=/etc/mpxio
39dcbe101c4538ee25d8b196eab30e5f0faa22eeTimo SirainenBOOTDEVICES=$SAVEDIR/boot-devices
39dcbe101c4538ee25d8b196eab30e5f0faa22eeTimo SirainenRECOVERFILE=$SAVEDIR/recover_instructions
dc9bfb7dc057964238e181d3d8b08751527bb08aTimo SirainenDEVFSADM=/usr/sbin/devfsadm
dc9bfb7dc057964238e181d3d8b08751527bb08aTimo SirainenDUMPADM=/usr/sbin/dumpadm
8759adc67109b5a12a7af3ed717c7040622a0a04Timo SirainenMETADEVADM=/usr/sbin/metadevadm
8759adc67109b5a12a7af3ed717c7040622a0a04Timo SirainenISROOTDEV=""
8759adc67109b5a12a7af3ed717c7040622a0a04Timo Sirainenusrmounted=0
8759adc67109b5a12a7af3ed717c7040622a0a04Timo SirainenUNAME=/usr/bin/uname
8759adc67109b5a12a7af3ed717c7040622a0a04Timo SirainenECHO=/usr/bin/echo
145d2eef238ed8bbff635e3b06951a83f0ee5a03Timo SirainenCAT=/usr/bin/cat
b522f391ef6aa4e527f2eeb5f7daa3da188790b0Timo SirainenCP=/usr/bin/cp
814b1e8e301bf58cc03ddf35a380b43c581af4dfTimo SirainenDF=/usr/bin/df
8759adc67109b5a12a7af3ed717c7040622a0a04Timo SirainenLS=/usr/bin/ls
dc9bfb7dc057964238e181d3d8b08751527bb08aTimo SirainenRM=/usr/bin/rm
121221dd2970a6f5ec601abb3b1c505c238e0b60Timo SirainenEGREP=/usr/bin/egrep
121221dd2970a6f5ec601abb3b1c505c238e0b60Timo SirainenSED=/usr/bin/sed
121221dd2970a6f5ec601abb3b1c505c238e0b60Timo SirainenZPOOL=/usr/sbin/zpool
121221dd2970a6f5ec601abb3b1c505c238e0b60Timo SirainenAWK=/usr/bin/awk
121221dd2970a6f5ec601abb3b1c505c238e0b60Timo SirainenMOUNT=/sbin/mount
dc9bfb7dc057964238e181d3d8b08751527bb08aTimo SirainenUMOUNT=/sbin/mount
EEPROM=/usr/sbin/eeprom
BOOTADM=/usr/sbin/bootadm
SVCADM=/usr/sbin/svcadm
REBOOT=/usr/sbin/reboot
mpxio_error()
{
cecho "\nERROR: stmsboot: $1"
#
# display recovery instructions - the first call logs to the service
# log and the second call displays on the console.
#
shcat $RECOVERFILE
shcat $RECOVERFILE >/dev/msglog 2>&1
cecho "These instructions were also logged to the file $RECOVERFILE\n"
}
#
# root ("/") is already mounted read only by the kernel.
# Remount the root read-write.
#
mpxio_mount_root()
{
HASZFSROOT=`$DF -g / |grep zfs`
RVAL=""
# In single-user maintenance mode, we don't have a writable
# root partition, so we _cannot_ use devlinks. Therefore we
# have to do some dancing - first mount the physical path
# read-write, then re-run $STMSBOOTUTIL to get the real
# devlink mapping, and then re-mount the root slice. Of course,
# if we all used ZFS this wouldn't be such a pain!
exec < $vfstab; readvfstab /
# ZFS root environments should _not_ have an entry for /
# in their /etc/vfstab.
if [ -n "$special" ]; then
# sanity check for ZFSRoot _and_ / in /etc/vfstab
if [ -n "$HASZFSROOT" ]; then
# ERROR - this would cause a failure later
# so let root know about it now and provide
# a chance to handle it before filesystem/usr
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"
exit 1
fi
ISPHYS=`echo $special |$AWK '/^\/dev\/dsk/ {print}'`;
if [ -z "$ISPHYS" ]; then
# a metadevice, either /dev/md or /dev/vx
new_special=$special
$MOUNT -o remount,rw $new_special / >/dev/msglog 2>&1
else
new_special=`$STMSBOOTUTIL -m $special`
if [ "$new_special" = "NOT_MAPPED" ]; then
# this is a bad state to be in, exit
cecho "Error: Your root device is not mapped."
exit 1
fi
checkopt "llock" $mntopts
mntopts='remount'
[ -n "$otherops" ] && mntopts="${mntopts},${otherops}"
RVAL=`$MOUNT -m -F $fstype -o $mntopts $new_special \
$mountp >/dev/msglog 2>&1`
# if we've got active-active paths to our rootvp and
# the first path returned by $STMSBOOTUTIL is not the
# same as the one we booted from, then we need some
# handwaving due to restrictions in the ufs module
# (see the remountfs() function in
# $SRC/uts/common/fs/ufs/ufs_vfsops.c)
if [ $? -eq 0 ]; then
# now re-run $STMSBOOTUTIL to get the real
# mapping for this device
new_special=`$STMSBOOTUTIL -m $special`
# mount root for real
$MOUNT -o remount,rw $new_special / \
>/dev/msglog 2>&1
else
SLICE=`$ECHO $special | $AWK -F"s" '{print $3}'`
for device in `$CAT $BOOTDEVICES`; do
new_special="${device}s${SLICE}"
$MOUNT -m -F $fstype -o $mntopts \
$new_special $mountp >/dev/msglog 2>&1
if [ $? -eq 0 ]; then
# success, break out
ISROOTDEV=`$ECHO $new_special |
$SED -e "s,/dev/dsk/,,"`
break;
fi
done
if [ -n "$RVAL" ]; then
cecho "Error: Unable to remount your root device"
exit 1;
fi
fi
fi
else
if [ -z "$HASZFSROOT" ]; then
cecho "stmsboot: Error: your root slice is invalid"
exit 1
else
cecho "stmsboot: Root is on ZFS"
fi
fi
}
#
# mount /usr read only
#
mpxio_mount_usr()
{
exec < $vfstab; readvfstab "/usr"
ret_val=0
if [ -n "$mountp" ]; then
case "$special" in
/dev/md/*)
new_special=$special
;;
/dev/vx/*)
new_special=$special
;;
*)
new_special=`$STMSBOOTUTIL -m $special`
;;
esac
if [ "$fstype" = "cachefs" ]; then
# Mount read-only without the cache.
case "$mntopts" in
*backfstype=nfs*)
cfsbacktype=nfs
;;
*backfstype=hsfs*)
cfsbacktype=hsfs
;;
*)
cecho 'stmsboot: invalid vfstab entry for /usr'
cfsbacktype=nfs
;;
esac
# see the comment below for /dev/null
$MOUNT -m -F $cfsbacktype -o ro $new_special $mountp \
>/dev/null 2>&1
ret_val=$?
else
#
# Must use -o largefiles here to ensure the read-only
# mount does not fail as a result of having a large
# file present on /usr.
#
if [ "$mntopts" = "-" ]; then
mntopts='ro,largefiles'
else
checkopt largefiles $mntopts
if [ "$option" != "largefiles" ]; then
mntopts="largefiles,$mntopts"
fi
checkopt ro $mntopts
if [ "$option" != "ro" ]; then
mntopts="ro,$mntopts"
fi
# Requesting logging on a read-only mount
# causes errors to be displayed, so remove
# "logging" from the list of options.
checkopt logging $mntopts
if [ "$option" = "logging" ]; then
mntopts="$otherops"
fi
fi
# In case of a manual restart of the service, mount
# will emit messages if /usr is already mounted.
# So redirect the output to /dev/null.
$MOUNT -m -F $fstype -o $mntopts $new_special /usr \
>/dev/null 2>&1
ret_val=$?
fi
if [ $ret_val -eq 0 ]; then
usrmounted=1
fi
fi
return $ret_val
}
# update system dump configuration
update_dumpconf()
{
# Disable device-in-use checking (done in libdiskmgt).
# Without disabling this check, the configuration of dump device
# would fail as the device-in-use code incorrectly concludes that
# the device is in use and hence prevents configuration of the dump
# device.
NOINUSE_CHECK=1
export NOINUSE_CHECK
DUMPISZFS=`$AWK -F"=" '/DUMPADM_DEVICE/ {print $2}' /etc/dumpadm.conf|$EGREP zvol`
if [ -z "$DUMPISZFS" ]; then
set -- `$DUMPADM -u 2>&1 | $EGREP 'cannot use /dev.* as dump device'`
if [ -n "$4" ]; then
newname=`$STMSBOOTUTIL -m $4`
if [ $? -eq 0 ]; then
if $DUMPADM -d $newname > /dev/msglog 2> /dev/console; then
cecho "stmsboot: dump configuration \
has been updated."
else
mpxio_error "failed to configure \
the dump device.\nold \
dump device name: $4"
return 1
fi
fi
fi
else
# make sure we can get to it, force zfs to load fully
$LS $DUMPISZFS >>/dev/null 2>&1
cecho "stmsboot: dump on ZFS, no dumpadm update required"
fi
return 0
}
# Update bootpath for x86 here when we are enabling mpxio on root
update_bootpath()
{
cur_bootpath=`$STMSBOOTUTIL -b`
if [ $? -ne 0 ]; then
cecho "stmsboot: ERROR! Unable to retrieve bootpath property\n"
exit 1
fi
# Since on x64 platforms the eeprom command doesn't update the
# kernel, the file /boot/solaris/bootenv.rc and the kernel's
# bootpath variable have a good chance of differing. We do some
# extra handwaving to get the correct bootpath variable setting.
ONDISKVER=`$AWK '/bootpath/ {print $3}' /boot/solaris/bootenv.rc|\
$SED -e"s,',,g"`
if [ "$ONDISKVER" != "$cur_bootpath" ]; then
cur_bootpath="$ONDISKVER"
fi
NEWBOOTPATH=""
for path in $cur_bootpath; do
mapped=`$STMSBOOTUTIL -p $path`
if [ "$mapped" != "NOT_MAPPED" ]; then
if [ "$mapped" != "$path" ]; then
NEWBOOTPATH=`echo "$path " | \
$SED -e"s|$path|$mapped|"`" $NEWBOOTPATH"
else
NEWBOOTPATH="$NEWBOOTPATH $path"
fi
fi
done
# now strip off leading and trailing space chars
new_bootpath=`echo $NEWBOOTPATH`
$EEPROM bootpath="$new_bootpath"
cecho "stmsboot: bootpath has been updated"
cecho ""
}
# Now do the actual work
mpxio_main()
{
# NOTE: If the first attempt to run the service has failed due to an
# expected error, users should be able to manually rerun the service.
#
# First mount /usr read only. This must be done to run
# utilities such as fsck and devfsadm.
# In the case of a manual rerun of the service, mounting of /usr here
# fails if /usr already happens to be mounted. It is better that we
# do not mount /usr if already mounted, but there seems to be no
# apparent way to check whether /usr is mounted or not as we mount
# /usr without making an entry into /etc/mnttab. So instead of
# explicitly checking for mount failures, we just do a sanity check
# by looking for some file (in this case devfsadm) in /usr.
#
mpxio_mount_usr
if [ ! -s $DEVFSADM ]; then
mpxio_error "failed to mount the /usr filesystem."
return
fi
if mpxio_mount_root; then
# create /dev links
cecho "stmsboot: configuring devices"
$DEVFSADM
# update /etc/vfstab to reflect device name changes
$STMSBOOTUTIL -u >/dev/msglog 2>&1
if [ $? -eq 0 ]; then
$CP /etc/vfstab /etc/vfstab.old
# handle active-active paths, where the probe order
# for the hba reports a different path to what the
# boot-device variable gives us
if [ -n "$ISROOTDEV" ]; then
ROOTDEVCHK=`grep $ISROOTDEV /etc/vfstab`
if [ $? -ne 0 ]; then
# we got a different path for root
exec < $SAVEDIR/vfstab.new; readvfstab /
FILEDEV=`$ECHO $special | \
$SED -e"s,/dev/dsk/,,"`
$SED -e"s,$FILEDEV,$ISROOTDEV,g" < \
$SAVEDIR/vfstab.new > /etc/vfstab
fi
else
$CP $SAVEDIR/vfstab.new /etc/vfstab
fi
$RM $SAVEDIR/vfstab.new
cecho ""
cecho "stmsboot: vfstab has been updated"
if update_dumpconf; then
# update svm configuration to reflect new names
if [ -s /kernel/drv/md.conf ] && \
[ -x $METADEVADM ]; then
$METADEVADM -r >/dev/msglog 2>&1
fi
fi
MACH=`$UNAME -p`
if [ "$MACH" = "i386" ]; then
# only update bootpath here for x86
update_bootpath
fi
cecho "stmsboot: now regenerating boot archive"
$BOOTADM update-archive
else
mpxio_error "failed to update /etc/vfstab."
fi
$SVCADM disable system/device/mpxio-upgrade
if [ $usrmounted -eq 1 ]; then
cecho "stmsboot: rebooting the system now."
$REBOOT
fi
else
mpxio_error "failed to mount the root filesystem."
fi
}
mpxio_main