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Date: Fri, 20 May 2011 13:49:22 +0100
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From: Stefan Hajnoczi <stefanha@gmail.com>
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Subject: Re: [Qemu-devel] [RFC] live snapshot, live merge,
	live block migration
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To: Jes Sorensen <Jes.Sorensen@redhat.com>
Cc: Kevin Wolf <kwolf@redhat.com>, Anthony Liguori <aliguori@us.ibm.com>, dlaor@redhat.com, Marcelo Tosatti <mtosatti@redhat.com>, qemu-devel <qemu-devel@nongnu.org>, Mingming Cao <cmm@us.ibm.com>, Avi Kivity <avi@redhat.com>, Stefan Hajnoczi <stefan.hajnoczi@uk.ibm.com>, Badari Pulavarty <pbadari@us.ibm.com>, Jiri Denemark <jdenemar@redhat.com>, Eric Blake <eblake@redhat.com>

On Fri, May 20, 2011 at 1:39 PM, Jes Sorensen <Jes.Sorensen@redhat.com> wrote:
> On 05/20/11 14:19, Stefan Hajnoczi wrote:
>> I'm interested in what the API for snapshots would look like.
>
> I presume you're talking external snapshots here? The API is really what
> should be defined by libvirt, so you get a unified API that can work
> both on QEMU level snapshots as well as enterprise storage, host file
> system snapshots etc.

Thanks for the pointers on external snapshots using image files.  I'm
really thinking about the libvirt API.

Basically I'm not sure we'll implement the right things if we don't
think through the API that the user sees first.

Stefan