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:	Wed, 23 Mar 2011 19:03:59 +0200
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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


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