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Re: [Qemu-devel] [PATCH 15/17] iotests: add default node-name

From: John Snow
Subject: Re: [Qemu-devel] [PATCH 15/17] iotests: add default node-name
Date: Mon, 10 Apr 2017 17:49:30 -0400
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.8.0

On 02/17/2017 02:51 PM, Dr. David Alan Gilbert wrote:
> * Fam Zheng (address@hidden) wrote:
>> On Fri, 02/17 16:36, Vladimir Sementsov-Ogievskiy wrote:
>>> 17.02.2017 15:21, Fam Zheng wrote:
>>>> On Fri, 02/17 13:20, Vladimir Sementsov-Ogievskiy wrote:
>>>>> 16.02.2017 16:48, Fam Zheng wrote:
>>>>>> On Mon, 02/13 12:54, Vladimir Sementsov-Ogievskiy wrote:
>>>>>>> When testing migration, auto-generated by qemu node-names differs in
>>>>>>> source and destination qemu and migration fails. After this patch,
>>>>>>> auto-generated by iotest nodenames will be the same.
>>>>>> What should be done in libvirt to make sure the node-names are matching
>>>>>> correctly at both sides?
>>>>> Hmm, just set node names appropriately?
>>>> But I think the problem is that node names are not configurable from 
>>>> libvirt
>>>> today, and then the migration will fail. Should the device name take 
>>>> precedence
>>>> in the code, to make it easier?
>>> libvirt can use same parameters as I in this patch..
>> If I'm not mistaken, libvirt can be patched to explicitly set the same node
>> names in the QEMU command line, but that is some extra work to do there. My
>> point is if device names are used during migration, when available, this 
>> patch
>> and the libvirt change is not necessary.
> Always best to check with libvirt guys to see what makes sense for them;
> ccing in jdenemar.
> Dave
>> Fam
> --
> Dr. David Alan Gilbert / address@hidden / Manchester, UK

Sorry for the necromancy, looks like discussion died here. Vladimir,
what's plans?


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