Bug#708123: [grub-pc] grub2 (2.00-14) fails to install on RAID arrays (rescue, boot is broken)

[Colin Watson]

On Mon, May 13, 2013 at 02:25:09PM +0300, Gleb Golubitsky wrote:
> I have my system installed on RAID 1 (fakeraid). After upgrading
> 1.99-27.1 -> 2.00-14 it was impossible to boot system. 

Hi,

I'm very sorry for my long delay in replying to this bug.  Jacob (CCed)
reports that rebuilding the array with a modern metadata format works
better.  However, I tried a simple test where I installed wheezy in a
two-disk VM with the installer hacked to produce the 0.90 format and
then upgraded the installed grub2 binary packages 2.00-14, and I was
unable to reproduce this bug; so unfortunately it doesn't seem as simple
as the 0.90 support being broken.

Gleb, if you can still reproduce this, could you please run this command
as root with 2.00-* (tell me which version you used) and post the
output:

  grub-probe -vv -t fs /boot/grub

It should be reasonably safe to upgrade to 2.00-*, run this, and then
downgrade back to 1.99-* before the next reboot.

Thanks,

-- 
Colin Watson                                       [cjwatson at debian.org]