[Bug 290885] Re: SRU: Backport of Boot Degraded RAID functionality from Intrepid to Hardy

[Steve Beattie]

I'm working through verification of this fix, and one thing that I've
come across is that if the raid was setup using the older version of
grub/grub-installer (e.g. off of 8.04.1 media), grub-install is not re-
invoked and so the second disk still does not have a grub stage 1 in its
MBR. Thus, if the first disk of a raid1 set fails, the system will still
not boot at all.

In talking with Dustin about this on IRC, he suggested that it's
probably best handled as a documentation issue. I think it would be
useful to to at least warn via debconf/update-notifier if /boot is on an
md device and grub is being updated from a version that did not support
"grub-install /dev/mdX" properly.

Also, for testing the update to grub-installer, it would be useful if we
could do a one-off spin of the hardy images for testing in prep for
8.04.2.

(That's the only issue I've come across so far; now that I've manually
run 'grub-install /dev/md0', I'm able to boot in degraded mode off of
either disk).

-- 
SRU: Backport of Boot Degraded RAID functionality from Intrepid to Hardy
https://bugs.launchpad.net/bugs/290885
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