Re: recommendations for a Xen/NetBSD box?

[Manuel Bouyer <bouyer%antioche.eu.org@localhost>]

On Mon, Feb 25, 2008 at 11:04:15PM +1100, Carl Brewer wrote:
> Manuel Bouyer wrote:
> >On Mon, Feb 25, 2008 at 12:27:46PM +1100, Carl Brewer wrote:
> >>I now have the hardware, and decided to splash a few extra bucks for 
> >>some more RAM (it was cheap).  I now have 6GB of RAM, which means if I 
> >>want to allocate ~2GB to a couple of domU's, and some smaller chunks to 
> >>some testbed domU's, can I do this with a NetBSD 4.0 i386 on RAID1 dom0?
> >
> >No, you need a i386PAE or amd64 dom0, and NetBSD supports this only
> >in -current. Then you'll also need i386PAE or amd64 domU kernels,
> >so you won't be able to run netbsd-4 or netbsd-3 xen kernels (only
> >current). You can run plain i386 as an HVM guest though.
> 
> Just to clarify, if I want to use the full 6GB of RAM the machine has, 
> and divvy it up between various domU's (xen aware or otherwise) and I 
> want to use NetBSD, I need to use NetBSD-current i386 or NetBSD-current 
> amd64, nothing else in the NetBSD world will do this?

No, only netbsd-current amd64. A system with 32bit physical addresses can't
make use of 6GB RAM.

> 
> If I'm happy to just use 4GB (really 3 after losses from the dom0 etc) I 
> can do this with NetBSD 4.0 i386 and/or NetBSD 4.0 amd64 as the dom0?

NetBSD 4.0 i386. There is no support for xen in NetBSD 4.0/amd64

-- 
Manuel Bouyer, LIP6, Universite Paris VI.           
Manuel.Bouyer%lip6.fr@localhost
     NetBSD: 26 ans d'experience feront toujours la difference
--