Re: [Xen-users] live migration in between different CPU families

[Pasi Kärkkäinen <pasik@xxxxxx>]

On Wed, Mar 23, 2011 at 09:03:56PM +0100, Bart Coninckx wrote:
>
>
> On 03/23/11 18:14, Bart Coninckx wrote:
>> On Wednesday 23 March 2011 18:03:59 Pasi Kärkkäinen wrote:
>>> On Tue, Mar 22, 2011 at 10:49:41PM +0100, Bart Coninckx wrote:
>>>> Hi,
>>>>
>>>> referring to thread:
>>>> http://www.gossamer-threads.com/lists/xen/users/177385#177385.
>>>>
>>>> I have the same thing going on: hypervisors with E5620 Xeon CPUs and
>>>> hypervisors with E5410 CPUs. Live migrations go wrong when domU's are
>>>> not created on the latter and move from the E5410 servers to more recent
>>>> ones. The rationale being that these CPU's have less or other
>>>> capabilities than the newer ones.
>>>>
>>>> Is there any way to work around this?
>>>
>>> You can set the cpuid to present common CPU model to the VM.
>>> Did you try that?
>>>
>>> -- Pasi
>>
>> Hi Pasi,
>>
>> no, first time I hear of it. I just googled a bit for that but there seems to
>> be little info on that.
>> The only seemly relevant info on that is here:
>>
>> http://zhigang.org/wiki/XenCPUID
>>
>> but that makes less sense to me.
>> Is this what you are referring to?
>>
>> thx,
>>
>> B.
>
> Hmm, the only places I find this are those about XenServer.Is this  
> supposed to be possible with Xen 4.0.1?
>
> thx!
>

Yes, it should be possible with normal Xen aswell.

-- Pasi


_______________________________________________
Xen-users mailing list
Xen-users@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-users