[libvirt] [PATCH] pass correct uri to source host when we do p2p migration

Wen Congyang wency at cn.fujitsu.com
Tue Jan 11 01:37:46 UTC 2011


At 01/10/2011 07:02 PM, Daniel P. Berrange Write:
> On Mon, Jan 10, 2011 at 11:20:31AM +0800, Wen Congyang wrote:
>> When we migrate a guest from remote host to localhost by p2p, the libvirtd
>> on remote host will be deadlock. This patch fixes a bug and we can avoid
>> the deadlock with this patch.
>>
>> The steps to reproduce this bug:
>> # virsh -c qemu+ssh://<remotehost IP>/system migrate --p2p <domain name> qemu+ssh:///system
>>
>> We connect dest host(qemu+ssh:///system) on source host, and the uri we pass
>> to source host is qemu+ssh:///system. And then we connect a wrong dest host.
> 
> IMHO, we should be reporting an error in this scenario, because the
> user is specifying a combination of parameters that don't make
> sense.

I don't think so. If we don't use --p2p, the migration can finish.
If we reporting an error here, the behavior of this command will
be strange(success without --p2p, but fail with --p2p).

> 
> Daniel
> 




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