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

[Bart Coninckx <bart.coninckx@xxxxxxxxxx>]

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!


B.

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