Re: Migrating from x86 to amd64 Dom0 with x86 DomUs

["Marcin M. Jessa" <lists%yazzy.org@localhost>]

Den 13.03.2010 15:00, skrev Steven Bellovin:
> On Mar 13, 2010, at 8:07 AM, Marcin M. Jessa wrote:
>
>    
> > Hi guys.
> >
> > I've a Dom0 which runs on Intel x86 without virtualization on NetBSD 5.0 STABLE.
> > The version of XEN I'm using is 3.1.4
> >
> > I want to move my setup to a server with dual AMD Opterons which don't support 
> > AMD-V™.
> >
> >
> > My questions are:
> >
> > - Can I upgrade my XEN 3.1.4?
> > - Will I need a PAE kernel for my Dom0 ?
> > - Can I run the 32 bit DomUs on a 64 bit Dom0? And if it's possible, what 
> > kernels would I need then (PAE, non-PAE)?
> >
> >      
> I contemplated doing that, but decided to replace my disks as well, so I just 
> built a new system elsewhere instead.  I can probably dig up the advice I 
> received if you want.
>
> I think, though, that if you switch to an amd64 kernel you'll need an amd64 
> userland as well.
>    
Maybe I was not clear enough. The new system with Dom0 will be installed 
from cratch with amd64 userland and kernel.
I just want to keep my i386 DomUs which I have running on a 32-bit 
system now.

Marcin.