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Re: grub-probe seems to be having problems


From: Lennart Sorensen
Subject: Re: grub-probe seems to be having problems
Date: Mon, 19 Mar 2012 17:28:50 -0400
User-agent: Mutt/1.5.20 (2009-06-14)

On Fri, Mar 09, 2012 at 03:37:57PM -0500, Lennart Sorensen wrote:
> Interestingly after poking at reading all the disks and poking mdadm
> --examine and --detail, now grub-prob likes md1, but still dislikes md0.
> 
> address@hidden:/tmp# /usr/sbin/grub-probe --device-map= --target=abstraction 
> --device /dev/md1 
> diskfilter mdraid1x raid5rec 
> address@hidden:/tmp# /usr/sbin/grub-probe --device-map= --target=abstraction 
> --device /dev/md0 
> /usr/sbin/grub-probe: error: Couldn't find physical volume `(null)'. Check 
> your device.map.
> 
> md1 was failing before with the same grub code.
> 
> I don't get it.  I wonder if there is any known issues in 2.6.32 kernel
> and/or mdadm - v3.1.4 - 31st August 2010

Any suggestion for how to try and debug this myself, like which
file/function to start debuging at?  I would like to put this machine
in to production use soon, but I would also like to take this chance to
fix the bug in grub first.

-- 
Len Sorensen



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