[ovirt-users] Mixing CPU types

[Yaniv Kaul]

On Mon, Feb 1, 2016 at 9:13 PM, Matthew Trent <
Matthew.Trent at lewiscountywa.gov> wrote:

> Though our new oVirt setup is better in most ways, cross-CPU-type
> migration is one of the features I miss from Proxmox. KVM supports
> mixed-CPU migration for a while now, even between AMD and Intel.
>
> http://www.linux-kvm.org/page/Migration


I highly doubt the above works in real life scenarios.
Y.


>
> I'm using a bunch of re-purposed servers with a mix of AMD and Intel. I
> separate them into clusters, as noted, but it sure would be nice to be able
> to live migrate between them. :)
>
> --
> Matthew Trent
> Network Engineer
> Lewis County IT Services
>
> > Hi Rene,
> >
> > Thank you very much for coming back to me.
> >
> > That's perfect then and answers my questions exactly.
> >
> > Much appreciated.
> >
> > Regards.
> >
> >Neil Wilson.
> >
> >
> >On Wed, Jan 27, 2016 at 1:57 PM, René Koch <rkoch at rk-it.at> wrote:
> >>
> >> Hi Neil,
> >>
> >> You can mix cpu types (but not AMD and Intel) if you leave the cluster
> >> level at the lowest cpu level.
> >> I personally don't mix cpu levels if possible, but instead create own
> >> clusters for each cpu type in order to be able to use the newest cpu
> >> features...
> >>
> >>
> >> Regards,
> >> René
> >>
> >>
> >> On 01/27/2016 12:53 PM, Neil wrote:
> >>
> >> Hi guys,
> >>
> >> I currently have an oVirt 3.5 cluster with Sandy Bridge Xeon CPU's, and
> I
> >> need to add a new host for more RAM and vCPU's, however the new Xeon e5
> >> cpu's are Haswell based.
> >>
> >> Can I mix CPU types (Haswell and Sandy Bridge) in my cluster and will I
> be
> >> able to migrate between my hosts?
> >>
> >> I'm guessing that for this to work I'll need to leave my "CPU type" set
> to
> >> Sandy Bridge, will the Haswell based CPU be compatible with my cluster,
> but
> >> just run without any Haswell type features?
> >>
> >> Apologies if this is a dumb question or if it's been answered before.
> >>
> >> Thank you.
> >>
> >> Regards.
> >>
> >> Neil Wilson
> >>
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