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Re: [Qemu-devel] [RFC] More robust migration

From: Jamie Lokier
Subject: Re: [Qemu-devel] [RFC] More robust migration
Date: Fri, 20 Feb 2009 16:38:20 +0000
User-agent: Mutt/1.5.13 (2006-08-11)

Paul Brook wrote:
> I suspect that in practice live migration of a VM between different qemu 
> versions ends up comparable to in-place live kernel upgrades. i.e. it takes 
> an awful lot of work and care to make it happen, and in practice isn't going 
> to happen for any particularly useful span of versions.

On the other hand, stored snapshots of guests which are ready to run
in a particular state are quite useful.  I'm under the impression the
migration code is/will be useful for storing snapshots of system (not
disk) state too.  Is that right?

-- Jamie

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