WARNING - OLD ARCHIVES

This is an archived copy of the Xen.org mailing list, which we have preserved to ensure that existing links to archives are not broken. The live archive, which contains the latest emails, can be found at http://lists.xen.org/
   
 
 
Xen 
 
Home Products Support Community News
 
   
 

xen-users

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

To: Bart Coninckx <bart.coninckx@xxxxxxxxxx>
Subject: Re: [Xen-users] live migration in between different CPU families
From: Pasi Kärkkäinen <pasik@xxxxxx>
Date: Thu, 24 Mar 2011 02:06:17 +0200
Cc: xen-users@xxxxxxxxxxxxxxxxxxx
Delivery-date: Wed, 23 Mar 2011 17:09:08 -0700
Envelope-to: www-data@xxxxxxxxxxxxxxxxxxx
In-reply-to: <4D8A522C.7010506@xxxxxxxxxx>
List-help: <mailto:xen-users-request@lists.xensource.com?subject=help>
List-id: Xen user discussion <xen-users.lists.xensource.com>
List-post: <mailto:xen-users@lists.xensource.com>
List-subscribe: <http://lists.xensource.com/mailman/listinfo/xen-users>, <mailto:xen-users-request@lists.xensource.com?subject=subscribe>
List-unsubscribe: <http://lists.xensource.com/mailman/listinfo/xen-users>, <mailto:xen-users-request@lists.xensource.com?subject=unsubscribe>
References: <4D891975.6030409@xxxxxxxxxx> <20110323170359.GW32595@xxxxxxxxxxx> <201103231814.58915.bart.coninckx@xxxxxxxxxx> <4D8A522C.7010506@xxxxxxxxxx>
Sender: xen-users-bounces@xxxxxxxxxxxxxxxxxxx
User-agent: Mutt/1.5.18 (2008-05-17)
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