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Re: [Xen-users] Questions on qcow, qcow2 versus LVM

To: matt@xxxxxxxxxxxxxxxxxx
Subject: Re: [Xen-users] Questions on qcow, qcow2 versus LVM
From: "Fajar A. Nugraha" <fajar@xxxxxxxxx>
Date: Mon, 4 Jan 2010 19:37:31 +0700
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On Mon, Jan 4, 2010 at 5:20 PM, Matthew Law <matt@xxxxxxxxxxxxxxxxxx> wrote:
> Thanks.  I've got this working now.  One last issue remains, it would
> appear this technique, although it works, is screwing up quotas.  I get
> this error reported:
>
> Cannot stat() mounted device /dev/xvda1: No such file or directory
>
> I definitely have everything needed for quotas in the domU. I think this
> is because the quota system expects /dev/xvda1 to exist and it doesn't
> because I am mounting the whole disk.  Have you come across this before?

udev should create the partition block device file (i.e /dev/xvda1) as
necessary. Try doing "fdisk -l" and "ls -la /dev/xvda1".
If that doesn't work, you could always try mapping it as hda/sda
instead of xvda. It should work with 2.6.18 kernel.

-- 
Fajar

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