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Re: [Xen-users] Centos + Xen 3.0 + Root on md = bad

To: larsks.21230602@xxxxxxxxxxxxx
Subject: Re: [Xen-users] Centos + Xen 3.0 + Root on md = bad
From: Taneli Leppä <taneli@xxxxxxxxxx>
Date: Wed, 14 Dec 2005 15:53:44 +0200
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Hey Lars,

I had the same problem. Fixed it with compiling the RAID modules
in (CONFIG_MD_*).


larsks.21230602@xxxxxxxxxxxxx wrote:
I'm trying to boot Xen 3.0 on a Centos 4(.2) system with root
on a software raid1 volume.  When booting the Xen kernel, 'raidautorun' in
the /init nash script fails to assemble either the root md or the raid5 md
containing my LVM volumes.

If I move root to /dev/hda1, the system boots
fine.  raidautorun still fails to assemble the md devices, but mdadm later
on in the boot process works just fine.

I see what looks like a similar
problem reported in May of this year with Xen 2.0.something.  Does this continue
to be a known problem?  I'm going to try adding mdadm to the initrd and see
if replacing 'raidautorun' with 'mdadm --assemble --scan' solves the problem,
but I'm curious if there are other solutions.


  -- Lars

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  Taneli Leppä         | Crasman Co Ltd
  <taneli@xxxxxxxxxx>  | <http://www.crasman.fi/>

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