[ovirt-users] Mixing CPU types

[Neil]

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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