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Re: [Xen-users] How to Live Copy domU


  • To: "Steffen Heil" <lists@xxxxxxxxxxxxxxx>
  • From: "Tim Wood" <twwood@xxxxxxxxx>
  • Date: Wed, 20 Sep 2006 11:35:06 -0400
  • Cc: xen-users@xxxxxxxxxxxxxxxxxxx
  • Delivery-date: Wed, 20 Sep 2006 08:35:49 -0700
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  • List-id: Xen user discussion <xen-users.lists.xensource.com>

On 9/19/06, Steffen Heil <lists@xxxxxxxxxxxxxxx> wrote:
Hi

[...]
It isn't natively supported by Xen.
BUT you can propably simulate it like this:

Have your original domU on a LVM volume.
White it is running, create a snap-shot.
Copy the snap-shot to a new volume.
Remove the snap-shot.

Run repairs on the new volume as it might be inconsistent. In that case you
can either trust the repair utility or redo the copy part.

Start the new domU on the new volume.

Regards,
  Steffen


In fact, cloning is a fairly complicated procedure.  You would also
need to do things like change the MAC and IP addresses for the cloned
VM.  Plus remember that any processes running on the VM may get very
confused.

-tim

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