Re: [Xen-users] migrating 32 bit guests between 64 and 32 bit hosts - possible?

[Tomasz Chmielewski <mangoo@xxxxxxxx>]

Petersson, Mats wrote:
> > -----Original Message-----
> > From: xen-users-bounces@xxxxxxxxxxxxxxxxxxx 
> > [mailto:xen-users-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of 
> > Tomasz Chmielewski
> > Sent: 24 January 2007 16:01
> > To: xen-users@xxxxxxxxxxxxxxxxxxx
> > Subject: [Xen-users] migrating 32 bit guests between 64 and 
> > 32 bit hosts - possible?
> > Is it possible to migrate a 32 bit guest from a 32 bit Xen 
> > host to a 64 
> > bit Xen host?
> > As I understand correctly, it's only possible when one runs a 32 bit 
> > dom0 kernel on a 64 bit CPU?
> At the moment, migration (in the Xen sense) is only supported by
> Para-virtual, which in turn means that you'll need to have both Dom0 and
> DomU kernel being the same size as the hypervisor. 
>
> So the most likely scenarion to solve this would be to use a 64-bit
> kernel instead of the 32-bit kernel with the rest of the distro either
> 32- or 64-bit. 
But if I use a 64-bit guest kernel, I won't move it to a 32-bit host.

In other words:

it's not possible to migrate (or even start), para-virtual:

a 32-bit guest kernel on a 64-bit kernel Xen-host?



--
Tomasz Chmielewski
http://wpkg.org


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