[Xen-users] AMD processors with Pacifica and Xen

[Bas Mevissen <ml@xxxxxxxxxxxxxx>]

Hi all,

After getting very enthosiast about Xen during the Xen tutorial at Linux 
Kongress in Hamburg, I think it is time to put Xen at work.
I want to co-locate a server with several virtual machines running on 
it. Main OS will be Centos 4.2 and the guest will run some Linux distro. 
Later this year, another Windows-based VM may be added.
So now I'm looking for a good server. The Tyan GX28 is my favourit up to 
now, mainly for the combination of specs and price. See 
<http://www.tyan.com/PRODUCTS/html/gx28b2881.html> and specs on 
<http://www.tyan.com/PRODUCTS/html/gx28b2881_spec.html>. In short, it is 
an 1U rack server with a Dual AMD Opteron™ system board with dual PGA 
940-pin ZIF sockets and it has 4 SATA HDD spaces.
But, as the subject says, my question is about Pacifica support. For the 
Xen part, it is probably a matter of patience. But maybe someone here 
can tell me more about the following questions:
1) Are Pacifica AMD's going to be sold soon and will they fit on this 
board? The announcements about Pacifica-containing CPU's talk about 
940-pin socketed CPU's.
2) Is AMD a good choice for a box with a number of server-like guests 
running on it or should I buy for example Intel Xeon (32 bit or 64 bit)?
3) How realistic is it to expect a Windows guest (say, XP pro) running 
on a Linux Xen dom0 by Q3 of this year, provided that I buy the right 
hardware?
I realize that these are difficult questions and maybe not entirely 
on-topic here. But I'm facing them right now and this is a place where 
smart guys hang out, isn't it?
Thanks a lot,

Bas.


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