Re: [Xen-users] Do systems have to be IDENTICAL for live migration?

[Ravi Giri <ravi.giri@xxxxxxxxx>]

On Thu, Jul 8, 2010 at 7:09 PM, Dustin Henning
<Dustin.Henning@xxxxxxxxxxx> wrote:
>        I thought it was discussed in a previous thread that as long as all
> processors have the same capabilities (additional capabilities being
> irrelevant) as the processor that the VM started on a live migration would
> be fine.  It could be that the destination processor has to have the same

I assume this is still true,

>> On Thursday 08 July 2010 10:37:05 Ravi Giri wrote:
>> Xeon 5500 series (this is obviously the G6 system) has FlexMigration

I looked up the documentation on this, and I was wrong in stating the above.

The doc says "Intel® VT FlexMigration supports live VM migration
across all Intel® Core™ microarchitecture-based servers. It is
included in the new Intel® Xeon® processor 5400 series, and provides
backward compatibility for live VM migration with current dualcore
Intel® Core™ microarchitecture products (Xeon 5100 and Xeon 3000) and
forward compatibility with future dual- and multi-core processors"

My bad. Since the OP is trying livemigration across Xeon 5400 and 5500
series, processor difference cannot be the cause of the livemigration
failure.

Regards,
--
Ravi

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