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#!/bin/sh -eu
#
# Copyright © 2006 Martin F. Krafft <madduck@debian.org>
# based on the scripts in the initramfs-tools package.
# released under the terms of the Artistic Licence.
#
PREREQ=""
prereqs()
{
echo "$PREREQ"
}
case ${1:-} in
prereqs)
prereqs
exit 0
;;
esac
if [ -e /usr/share/initramfs-tools/hooks/md ]; then
echo "I: mdadm: initramfs md hook still present, I thus won't pop the trunk." >&2
echo "I: Please see /usr/share/doc/mdadm/README.experimental ." >&2
exit 0
fi
if [ -e /etc/initramfs-tools/hooks/md ]; then
echo "W: mdadm: I found /etc/initramfs-tools/hooks/md, which may conflict" >&2
echo "with this version of mdadm. Please see /usr/share/doc/mdadm/README.mdrun" >&2
echo "and /usr/share/initramfs-tools/hooks/mdadm for reference and update" >&2
echo "(or remove) the file." >&2
exit 0
fi
MDADM=$(command -v mdadm)
[ -x $MDADM ] || exit 0
[ -r /usr/share/initramfs-tools/hook-functions ] || exit 0
. /usr/share/initramfs-tools/hook-functions
INITRDSTART=all
[ -s /etc/default/mdadm ] && . /etc/default/mdadm
DEVS=''; LEVELS=''
if [ "$INITRDSTART" != none ]; then
eval $(mdadm --examine --scan --config=partitions \
| while read a dev level num uuid; do
if [ "$INITRDSTART" = all ] || expr "$INITRDSTART" : ".*${dev}.*" >/dev/null; then
DEVS="$DEVS ${dev}:${uuid#UUID=}"
LEVELS="$LEVELS ${level#level=}"
fi
echo "DEVS='$DEVS'"
echo "LEVELS='$LEVELS'"
done)
[ "$INITRDSTART" = all ] && DEVS=all
fi
uniquify()
{
for i in $@; do echo "$i"; done | sort -u
}
if [ -n "$DEVS" ]; then
touch $DESTDIR/conf/mdadm.conf
echo "RAID_DEVS='${DEVS## }'" >> $DESTDIR/conf/mdadm.conf
# 1:1 mapping between level names and modules
MODULES="$(uniquify $LEVELS | tr '\n' ' ')"
echo "RAID_MODULES='$MODULES'" >> $DESTDIR/conf/mdadm.conf
copy_exec $MDADM /sbin
# copy all modules into the initramfs, just for safety
MODULES="linear multipath raid0 raid1 raid5 raid6 raid10"
for mod in $MODULES; do manual_add_modules $mod; done
# prevent problems with old md script. Since this hook is only called if
# either this file does not exist or the user chose to try the new stuff,
# this is safe.
rm -f $DESTDIR/scripts/local-top/md
if [ "$DEVS" = all ]; then
DEVNAMES="all RAID arrays"
else
DEVNAMES="$(for i in $DEVS; do echo -n "${i%%:*},"; done)"
DEVNAMES="${DEVNAMES%,}"
fi
echo "I: mdadm: RAID support installed to mount $DEVNAMES during boot." >&2
else
echo "I: mdadm: no RAID devices selected for initrd initialisation." >&2
echo "I: mdadm: not including RAID stuff." >&2
fi
echo 'I: mdadm: use `dpkg-reconfigure -plow mdadm` if this is not correct.' >&2
exit 0
|
