Re: [Xen-users] AMD ATHLON 64 X2 5200+ AM2 and Supermicro H8SMA-2 A64/Opteron a good choice?

[Tom Brown <tbrown@xxxxxxxxxxxxx>]

On Sat, 23 Dec 2006, Peter Peltonen wrote:

> I planning to build a xen server with 8GB of memory  (say 15 virtual
> machines with 512 megs of memory) and a processor that has  hardware
> support for Xen.
> 
> Should these work okay, any opinions?
> 
> - Processor: AMD ATHLON 64 X2 5200+ AM2
> 
> - Motherboard: Supermicro H8SMA-2 A64/Opteron
>  http://supermicro.com/Aplus/motherboard/Opteron1000/MCP55/H8SMA-2.cfm

I don't think you can get an X2 in a 940 pin socket... that's an opteron 
motherboard... not a socket am2 motherboard... actually, you're not going 
to be able to do HVM on that motherboard. If you're going AMD and need 
HVM, you need either a socket F (opteron) or AM2 (athlon) motherboard.

> Will one dual core processor handle the load (the virtual machines
> will be mostly dedicated web servers with not that heavy CPU load) or
> should I consider multiple Opteron processors or something else?

No one can really tell you how many CPU cycles you need. If HVM is part of 
your spec, I would be inclined to err on the safe side, but maybe you can 
start smaller and add CPU power later. Or maybe you're going 
xen-enterprise and have the paravirt drivers....

-Tom

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