** Description changed:
+ The impact of the bug on users: Systems with root on a RAID array will
+ not be able to boot if the array is degraded. Usrs affected by this will
+ encounter an unusable system after a reboot (say, a kernel upgrade).
+
+ Justification for backporting the fix to the stable release: Hardy is a
+ LTS edition. It is expected that people will continue to use this
+ version and not upgrade to Intrepid. People who have upgrade from Dapper
+ LTS to Hardy LTS are affected too.
+
+ TEST CASE
+ Build a clean system with root on RAID, with Ubuntu 8.04 LTS. Degrade the
root array. Reboot and shiver.
+
+ A discussion of the regression potential of the patch and how users could get
inadvertently effected.
+ - the only users that could be affected, as fas as know, are the ones that
already made a workaround and altered their system files accordingly.
+
+
Binary package hint: mdadm
if i unplug one hd from raid1 i cannot successfully boot because raid
starts only if all disks are available through
: "${MD_DEGRADED_ARGS:= --no-degraded}" in /usr/share/initramfs-
tools/scripts/local-top/mdadm
my workaround is:
/etc/initramfs-tools/hooks/startdegradedraid
#!/bin/sh
#
# Copyright <C2><A9> 2006 Martin F. Krafft <[EMAIL PROTECTED]>
# based on the scripts in the initramfs-tools package.
# released under the terms of the Artistic Licence.
#
# $Id: hook 281 2006-12-08 08:14:44Z madduck $
#
set -eu
PREREQ="udev"
prereqs()
{
echo "$PREREQ"
}
case ${1:-} in
prereqs)
prereqs
exit 0
;;
esac
MDADM=$(command -v mdadm 2>/dev/null) || :
[ -x $MDADM ] || exit 0
DESTCONFIG=$DESTDIR/conf/md.conf
echo "MD_DEGRADED_ARGS=' '" >> $DESTCONFIG
exit 0
--
cannot boot raid1 with only one disk
https://bugs.launchpad.net/bugs/120375
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