RE: [Xen-users] migration between x86 and x86_64 hypervisors?

["Petersson, Mats" <Mats.Petersson@xxxxxxx>]

> -----Original Message-----
> From: xen-users-bounces@xxxxxxxxxxxxxxxxxxx 
> [mailto:xen-users-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of John Levin
> Sent: 06 July 2006 18:01
> To: xen-users@xxxxxxxxxxxxxxxxxxx
> Subject: [Xen-users] migration between x86 and x86_64 hypervisors?
> 
> Maybe this is a dumb question:  since you can have a 32 bit guest on a
> 64 bit hypervisor does it follow that if I have a 32 bit guest on a 32
> bit hypervisor, I can live migrate it over to a 64 bit host?  (I don't
> have hardware to test this, but thinking of buying an opteron)

Today, you can only use fully virtualized guests in "mixed bitness", and
full-virtualization guests can not migrate at this time... So the answer
is no. 

Of course, both the para-virtualized "different bitness" and the
"migration of fully-virtualized guest" are being worked on, but I'm not
in a position to say when either one will be available... 

--
Mats
> 
> Thanks in advance
> 
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