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From: | Anthony Liguori |
Subject: | [Qemu-devel] Re: Live migration protocol, device features, ABIs and other beasts |
Date: | Mon, 23 Nov 2009 10:19:46 -0600 |
User-agent: | Thunderbird 2.0.0.23 (X11/20090825) |
Gleb Natapov wrote:
I am OK with management being responsible to sort things out. Juan said that destination can't abort migration in the middle, so I pointed out easy solution that will work in 99.999% cases.
I think there's something elegant about doing migration in a unidirectional stream. It makes live migration work to a file, to a qcow2 file, etc. with no protocol change.
The ack'ing bits can be done by a live migration transport since it happens entirely at the end of the stream. The old ssh: migration used to do this and provided a simple means that worked 99.999% of the time :-)
Regards, Anthony Liguori
-- Gleb.
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