Bug#491977: grub-probe fails with "Cannot find a GRUB drive for /dev/dm-N."

Robert Millan rmh at aybabtu.com
Sun Jul 27 22:48:03 UTC 2008


On Mon, Jul 28, 2008 at 12:36:10AM +0200, Moritz Naumann wrote:
> ++ convert_default /dev/md0
> +++ convert_raid1 /dev/md0
> ++ tmp_dev=/dev/dm-5
> ++ :
> ++ convert /dev/dm-5
> ++ test -e /boot/grub/device.map
> ++ GRUB_LEGACY_0_BASED_PARTITIONS=1
> ++ grub-probe --device-map=/boot/grub/device.map -t drive -d /dev/dm-5
> grub-probe: error: Cannot find a GRUB drive for /dev/dm-5.  Check your
> device.map.

Please try:

  mdadm -D -b /dev/md0
  mdadm -D /dev/md0

also check if the problem disappears with older versions of the mdadm package
(e.g. the one in etch).

-- 
Robert Millan

<GPLv2> I know my rights; I want my phone call!
<DRM> What good is a phone call… if you are unable to speak?
(as seen on /.)





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