Bug#544731: raid0 lvm2 grub2 Installation fails when grub tries to install in lvm /boot

[Vladimir 'φ-coder/phcoder' Serbinenko]

On 01.04.2011 01:13, Liontos Aristotelis wrote:
> I guess you mean dd if=/dev/mapper/ananias-root of=first64K bs=1024
> count=64 (partition ? on an raid + lvm config ?)
>
> I have to retest the config because grub-pc is updated to 1.99~rc1-8
> and grub-probe -t abstraction -d /dev/mapper/ananias-root gives me a
> different error
> root at ananias:~# grub-probe -t abstraction -d /dev/mapper/ananias-root
> error: unknown LVM metadata header.
> raid mdraid1x lvm
Based on the supplied dumps I found out that it happens because LVM sues
a sector which normally after RAID algorithm should be mapped where in
fact MDRAID superblock is present. I guess mdraid employs some kind of
remapping of those sectors.
>
> thnx
>
>
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-- 
Regards
Vladimir 'φ-coder/phcoder' Serbinenko


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