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Re: [Xen-users] using physical disks with HVM

To: "Steve Dobbelstein" <steved@xxxxxxxxxx>
Subject: Re: [Xen-users] using physical disks with HVM
From: "Henning Sprang" <henning_sprang@xxxxxx>
Date: Mon, 14 Aug 2006 18:58:18 +0200
Cc: xen-users <xen-users@xxxxxxxxxxxxxxxxxxx>
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Hi,

On 8/14/06, Steve Dobbelstein <steved@xxxxxxxxxx> wrote:
[...]
> It seems qemu is expecting to get a file-based disk. What do I need to
> do to get hvm use a physical disk?

I'm using LVM volumes for my HVM disks just fine.  Did you try specifying
the full name of the device with the "/dev/" prefix?  For example:
disk    = [ 'phy:/dev/data/faitest-client-generic-hvm-disk,ioemu:hda,w']

I just tried that out, and just reused the config file that didn't
work yesterday, but today it just worked, also with the relative path.

No idea what was wrong yesterday, in the meantime the machine was
turned of for the night, but nothing else changed that I can think of.

Maybe some sepcific kernel modules must be loaded, or something else
that can make qemu fail with the given error message?


Henning

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