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[Xen-users] Re: Debian lenny, lvm and filesystem xfs

To: "Fajar A. Nugraha" <fajar@xxxxxxxxx>
Subject: [Xen-users] Re: Debian lenny, lvm and filesystem xfs
From: Ferenc Wagner <wferi@xxxxxxx>
Date: Wed, 02 Sep 2009 22:23:50 +0200
Cc: Alexander Maringer <maringer@xxxxxxxxxxxxxx>, xen-users@xxxxxxxxxxxxxxxxxxx
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In-reply-to: <7207d96f0908270624q4e358bi5ec2cad9a5af6074@xxxxxxxxxxxxxx> (Fajar A. Nugraha's message of "Thu, 27 Aug 2009 20:24:41 +0700")
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"Fajar A. Nugraha" <fajar@xxxxxxxxx> writes:

> On Thu, Aug 27, 2009 at 8:18 PM, Alexander
> Maringer<maringer@xxxxxxxxxxxxxx> wrote:
>> No, the domU doesn't work correct, kjournald produces a heavy load and I saw
>> some topics which describes the write barrier error as reason for the
>> kjournald load.
> If that's the cause then you can't use XFS on your setup. It would
> probably work if domU's partition/disk is backed by dom0
> partition/disk, not LV.
> I know that ext3/ext4 works correctly with dom0 LVM setup, so you
> might want to try that.

I run lots of Debian Lenny domUs on Debian Lenny dom0s (with the Etch
2.6.18-xen kernel), where the guest use XFS over LVM.  On bootup, they

Filesystem "dm-0": Disabling barriers, not supported by the underlying device

but otherwise work normally.

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