Bug#598576: grub-probe reports "unknown LVM metadata header" for LV on RAID6

Colin Watson cjwatson at debian.org
Thu Sep 30 14:32:10 UTC 2010


On Thu, Sep 30, 2010 at 10:26:01AM +0200, martin f krafft wrote:
> Let me know what other info I can provide:
> 
> # grub-probe -t abstraction /dev/mapper/julia-root
> error: unknown LVM metadata header.
> grub-probe: error: cannot find a device for /dev/mapper/julia-root
> (is /dev mounted?).
[...]
> # pvdisplay /dev/md1
>   --- Physical volume ---
>   PV Name               /dev/md1

Could I have the output of:

  hd -n65536 /dev/md1

please?  (I'm not quite sure exactly how big the metadata offset tends
to be; hoping it's within the first 64KB.)

Thanks,

-- 
Colin Watson                                       [cjwatson at debian.org]





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