EVMS breaks LILO RAID1 /boot in Hoary
Bug #16600 reported by
Mike Bird
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
lilo (Ubuntu) |
Invalid
|
Medium
|
Unassigned |
Bug Description
In Hoary EVMS preempts MD, using DM devices for RAID1 which Hoary's LILO doesn't
understand:
# grep /boot /proc/mounts
/dev/md0 /boot ext3 rw 0 0
# cat /proc/mdstat
Personalities : [raid1]
md0 : active raid1 dm-6[1] dm-5[0]
96256 blocks [2/2] [UU]
# lilo
Fatal: is_primary: Not a valid device 0xFD05
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*** WORKAROUND ***
Do not use this workaround unless you understand it and how to adapt it to your
system. You could easily lose all your data.
# start-stop-daemon --stop --name=klogd
# umount /boot
# mdadm --stop /dev/md0
# mdadm --assemble /dev/md0
mdadm: /dev/md0 has been started with 2 drives.
# cat /proc/mdstat
Personalities : [raid1]
md0 : active raid1 hda1[0] hdb1[1]
96256 blocks [2/2] [UU]