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Re: [Xen-devel] save image file format? and [RFC] tmem save/restore/migr

To: Tim Deegan <Tim.Deegan@xxxxxxxxxx>
Subject: Re: [Xen-devel] save image file format? and [RFC] tmem save/restore/migrate
From: John Levon <levon@xxxxxxxxxxxxxxxxx>
Date: Thu, 18 Jun 2009 07:39:24 -0400
Cc: Dan Magenheimer <dan.magenheimer@xxxxxxxxxx>, "Xen-Devel \(E-mail\)" <xen-devel@xxxxxxxxxxxxxxxxxxx>, Gianluca Guida <Gianluca.Guida@xxxxxxxxxxxxx>
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On Thu, Jun 18, 2009 at 09:51:58AM +0100, Tim Deegan wrote:

> It's still the ad-hoc stream-of-data format, I'm afraid.  The whole
> format needs a good kicking.  It's not even portable between 32-bit and
> 64-bit tools.  Gianluca (Cc'd) is just starting to look at the
> save/restore code in the hopes of making it more sane, so now would be a
> good time to bring up any suggestions.

One possibility Anthony Liguori brought up before is using all of qemu's
container format. I'm not sure it's ever feasible to make it fully
compatible, but it certainly seems like an obvious choice to use as a
base. Unfortunately, I think it's defined-by-the-code as well.

regards
john

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