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

Stefan Berger stefanb at linux.vnet.ibm.com
Thu Apr 21 13:33:42 UTC 2011


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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