Re: Secure migration of LVM based guests over WAN

Avi Kivity
2012-10-16T09:40:56Z

On 10/16/2012 11:12 AM, Lukas Laukamp wrote:
> Hey all,
>
> I have a question about a solution for migrate LVM based guests directly
> over the network.
>
> So the situation: Two KVM hosts with libvirt, multiple LVM based guests
> Want to do: Migrate a LVM based guest directly to the other host over an
> secure connection
>
> I know that migration is possible when the VM disks are stored on an
> NFS, GFS2 filer/cluster etc.
>
> So would it be possible to do an offline migration directly with netcat
> or something like that?
>

If all you need is offline, you can use scp to copy each volume to the
destination volume. Make sure the guests are shut down when you do that.

It is also possible to do a live migration, but unless the destination
and source are in the same IP subnet, the guests are going to lose
connectivity.

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