mdadm/mkinitrd-boot.sh
Michal Marek 4a4d38e89a Accepting request 26694 from home:jengelh:branches:Base:System
Copy from home:jengelh:branches:Base:System/mdadm via accept of submit request 26694 revision 2.
Request was accepted with message:
reviewed ok.

OBS-URL: https://build.opensuse.org/request/show/26694
OBS-URL: https://build.opensuse.org/package/show/Base:System/mdadm?expand=0&rev=8
2009-12-16 08:01:21 +00:00

69 lines
1.7 KiB
Bash

#!/bin/bash
#%stage: softraid
#%programs: /sbin/mdadm /sbin/mdmon
#%modules: raid0 raid1 raid456
#%if: -n "$need_mdadm"
#
##### MD (Software-)Raid
##
## This activates and waits for an MD software raid.
##
## Command line parameters
## -----------------------
##
## need_mdadm=1 use MD raid
## md_uuid the uuid of the raid to activate
##
# load the necessary module before we initialize the raid system
load_modules
[ "$mduuid" ] && md_uuid="$mduuid"
md_major=$(sed -ne 's/\s*\([0-9]\+\)\s*md$/\1/p' /proc/devices)
if [ -n "$md_major" -a "$md_major" = "$maj" ]; then
md_minor="$min"
md_dev="/dev/md$md_minor"
fi
# Always start md devices read/only. They will get set to rw as soon
# as the first write occurs. This way we can guarantee that no
# restore occurs before resume.
if [ -f /sys/module/md_mod/parameters/start_ro ]; then
echo 1 > /sys/module/md_mod/parameters/start_ro
fi
if [ -n "$need_mdadm" ]; then
if [ -f /etc/mdadm.conf ] ; then
mdconf="-Ac /etc/mdadm.conf"
[ -z "$md_dev" ] && md_dev="--scan"
fi
if [ -n "$md_uuid" ] ; then
mdarg="--uuid=$md_uuid"
elif [ -n "$md_uuid" ] ; then
mdarg="$mdarg --uuid=$md_uuid"
fi
if [ -n "$md_minor" ] ; then
mdarg="$mdarg --super-minor=$md_minor"
md_dev="/dev/md$md_minor"
elif [ -z "$md_minor" -a -n "$md_minor" ] ; then
mdarg="$mdarg --super-minor=$md_minor"
fi
case $resumedev in
/dev/md*)
echo 1 > /sys/module/md_mod/parameters/start_ro
resume_minor="${resumedev#/dev/md}"
mdadm -Ac partitions -m $resume_minor --auto=md $resumedev
;;
esac
if [ "$md_dev" ] ; then
/sbin/mdadm $mdconf --auto=md $md_dev || /sbin/mdadm -Ac partitions $mdarg --auto=md $md_dev
fi
wait_for_events
fi