KVM and Xen

[Mike Chalmers]

On 12/31/06, Gilboa Davara <gilboad at gmail.com> wrote:
> On Sat, 2006-12-30 at 18:15 -0500, Mike Chalmers wrote:
> > I was wondering if anyone new about these and would explain them to me? Thanks.
> >
>
> Short and simple.
> Xen requires (in most cases *) a modified host and guest kernel and uses
> its own management tools.
> KVM requires certain extensions (Intel VT, AMD Pacifica/SVM **) to be
> present on the host CPU and uses the QEMU front-end.
>
> As for what-to-use, well, a couple of questions:
> A. What type of guest do you plan to virtualize? Windows? Linux? BSD?
> B. Can you used kernel-modified guests?
> C. Are you using VT/SVM enabled hardware?
> D. Do you require additional features beyond "simple" virtualization?
> (E.g. migration, snapshots, etc)
>
> - Gilboa
> * Xen does support VT/SVN enabled hardware - but AFAIK it requires more
> over-head then KVM.
> ** Supported CPU cores:
> Intel: P4 6xx, D9xx, Core Duo, Core 2 Duo, Xeon 3xxx/5xxx/7xxx.
> AMD: Athlon64 AM2, AMD Opteron s1207/1xxx/2xxx/8xxx.
>
>
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Gilboa here is the answer to your questions. I would like to use KVM,
if it is possible? Thanks.
A. Windows
B. don't know
C. don't know (I am using a P4 3.0 ghz 800 mhz HT 478)
D. don't know