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Re: [libvirt] [PATCH 3/6] Introduce yet another migration version in API.



On 04/21/2011 07:43 AM, Daniel P. Berrange wrote:
On Thu, Apr 21, 2011 at 07:37:30AM -0400, Stefan Berger wrote:

and simply doesn't start the VM. After this function is called all
sockets are closed and the communication with the source host is
cut. I don't think it allows for fall-back at this point.
Sure it does. As long as the destination QEMU CPUs have not been
started, you can fallback by simply killing the dest QEMU and
restarting CPUs on the src QEMU.

FWIW, I did a test and disabled the starting of the CPUs on the destination side and did a sleep() instead. Before the sleep() was over the Qemu on the source side had already disappeared.

   Stefan


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