Re: [Xen-users] Can I migrate file backed VMs to another server and use LVM storage?

[Simon Hobson <linux@xxxxxxxxxxxxxxxx>]

Bruce Edge wrote:

> Can I migrate an HVM linux VM from a xen 3.3 server that uses file 
> backed VMs to a 4.01 server and use LVM storage?
Assuming you don't want live migration then yes, you can migrate 
between servers. I assume going between versions should be OK, not 
something I'm familiar with, but transferring the storage is OK.
All you need to do is copy the contents of the file into the contents 
of the LVM volume. You may be able to do this by using a tool like dd 
to wrote the contents of the file into the LVM volume in which case 
you get a byte for byte copy of the silesystem - warts and all. Or 
you can mount the filesystem, and copy the files into a freshly 
formatted filesystem on the LVM volume.
You may need to tweek a few settings in the guest afterwards, you 
often do with PV guests - eg if you've changed disk device names.
--
Simon Hobson

Visit http://www.magpiesnestpublishing.co.uk/ for books by acclaimed
author Gladys Hobson. Novels - poetry - short stories - ideal as
Christmas stocking fillers. Some available as e-books.

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