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From: | Anthony Liguori |
Subject: | Re: [Qemu-devel] Re: KVM call agenda for Oct 19 |
Date: | Tue, 19 Oct 2010 16:19:17 -0500 |
User-agent: | Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.1.12) Gecko/20100915 Lightning/1.0b1 Thunderbird/3.0.8 |
On 10/19/2010 03:57 PM, Ayal Baron wrote:
Yeah, concurrent is a little trickier. Simple solution is for a management tool to just do a stop + multiple snapshots + cont. It's equivalent to what we'd do if we don't do it aio which is probably how we'd do the first implementation. But in the long term, I think the most elegant solution would be to expose the freeze api via QMP and let a management tool freeze multiple devices, then start taking snapshots, then unfreeze them when all snapshots are complete. Regards, Anthony Liguoriqemu should call the freeze as part of the process (for all of the relevant devices) then take the snapshots then thaw.
Yeah, I'm not opposed to us providing simpler interfaces in addition to or in lieu of lower level interfaces.
Regards, Anthony Liguori
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