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

[Ferenc Wagner <wferi@xxxxxxx>]

"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
say

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

but otherwise work normally.
-- 
Regards,
Feri.

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