forked from pool/s390-tools
Marcus Meissner
9b729e2acc
New package per "Factory first" policy. Please list me as bug owner and maintainer, if possible. OBS-URL: https://build.opensuse.org/request/show/459343 OBS-URL: https://build.opensuse.org/package/show/Base:System/s390-tools?expand=0&rev=1
138 lines
3.0 KiB
Bash
138 lines
3.0 KiB
Bash
#!/bin/sh
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#
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# dasd_reload
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# $Id: dasd_reload,v 1.2 2004/05/26 15:17:09 hare Exp $
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#
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# Deconfigures all active DASDs, unloads the modules
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# and activates the configured DASDs again.
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# Needed to establish an identical device mapping
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# in the installation system and in the running system.
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# All DASD access need to be cancelled prior to running
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# this script.
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#
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# Usage:
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# dasd_reload
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#
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# Return values:
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# 1 Cannot read /proc/modules
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# 2 Missing module programs
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# 3 /sys not mounted
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# 4 Failure on deactivate DASDs
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#
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if [ ! -r /proc/modules ]; then
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echo "Cannot read /proc/modules"
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exit 1
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fi
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if [ ! -x /sbin/rmmod -o ! -x /sbin/modprobe ]; then
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echo "Missing module programs"
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exit 2
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fi
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if [ ! -d /sys/bus ]; then
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echo "sysfs not mounted"
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exit 3
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fi
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let anymd=0
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if [ -f /proc/mdstat ]; then
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for mddevice in $(grep active /proc/mdstat | cut -f1 -d:); do
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mdadm -S /dev/${mddevice}
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let anymd=1
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done
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udevadm settle
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fi
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#
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# Setting HyperPAV alias devices offline
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#
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dasd_alias=
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let EXITRC=0
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for dev in /sys/bus/ccw/devices/*; do
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if [ -f $dev/use_diag ]; then
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read _online < $dev/online
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read _alias < $dev/alias
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if [ "$_online" -eq 1 -a "$_alias" -eq 1 ]; then
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echo "setting DASD HyperPAV alias $(basename $dev) offline"
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echo "0" > $dev/online
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read _online < $dev/online
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dasd_alias="$dasd_alias $(basename $dev)"
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if [ "$_online" -eq 1 ]; then
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echo "failure on setting DASD HyperPAV alias $(basename $dev) offline !"
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let EXITRC=4
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fi
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fi
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fi
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done
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#
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# Setting "normal" DASD and HyperPAV base devices offline
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#
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dasd_base=
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for dev in /sys/bus/ccw/devices/*; do
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if [ -f $dev/use_diag ]; then
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read _online < $dev/online
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read _alias < $dev/alias
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if [ "$_online" -eq 1 -a "$_alias" -eq 0 ]; then
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echo "setting DASD $(basename $dev) offline"
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echo "0" > $dev/online
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read _online < $dev/online
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dasd_base="$dasd_base $(basename $dev)"
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if [ "$_online" -eq 1 ]; then
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echo "failure on setting DASD $(basename $dev) offline !"
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let EXITRC=4
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fi
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fi
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fi
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done
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udevadm settle
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module_list=
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module_test_list="dasd_diag_mod dasd_eckd_mod dasd_fba_mod dasd_mod"
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for module in $module_test_list; do
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if grep -q "$module" /proc/modules; then
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module_list="$module $module_list"
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: Unloading $module
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/sbin/rmmod $module
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fi
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done
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if [ -d /etc/udev/rules.d ]; then
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cd /etc/udev/rules.d
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#
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# Re-activating "normal" DASD and HyperPAV base devices
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#
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for dasd in $dasd_base; do
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file="51-dasd-${dasd}.rules"
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if [ -f "$file" ] ; then
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echo Activating $dasd
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if grep -q use_diag $file ; then
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DASD_USE_DIAG=1
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else
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DASD_USE_DIAG=0
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fi
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/sbin/dasd_configure $dasd 1 $DASD_USE_DIAG
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fi
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done
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#
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# Re-activating HyperPAV alias devices
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#
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for dasd in $dasd_alias; do
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file="51-dasd-${dasd}.rules"
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if [ -f "$file" ] ; then
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echo Activating $dasd
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if grep -q use_diag $file ; then
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DASD_USE_DIAG=1
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else
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DASD_USE_DIAG=0
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fi
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/sbin/dasd_configure $dasd 1 $DASD_USE_DIAG
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fi
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done
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fi
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exit ${EXITRC}
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