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xen-users
Re: [Xen-users] Xen Partition Performance
Ok.
So I will use LVM for the data. Does any one have any numbers for the
performance of Xen with some of the choices (since I need to present my
boss)
Thanks for your help.
Luis
On Tue, 25 Apr 2006, Mark Williamson wrote:
> > I have a question who may be complet your question ... What is the best
> > File Back-End VBD for more stability and performance ? If i use SAN to
> > stock data, Nfs, Gfs ??
>
> You mean what's the best way to store domU FSes in file-backed VBDs?
>
> Best if you don't put File VBDs onto NFS. Both NFS and the loopback block
> driver use a load of RAM, and they tend to OOM when used together. Also, the
> performance will probably be bad.
>
> SANs are nice ;-) There have been threads on using GFS to store guest disk
> files recently. Has the advantage of making live-migration easier.
>
> Better performing might be to run CLVM on the SAN so that all dom0's can see
> logical volumes stored there, then use logical volumes directly. Lower
> overhead than using the filesystem layer.
>
> I've not tried this, so it's speculation on my part ;-)
>
> Cheers,
> Mark
>
> --
> Dave: Just a question. What use is a unicyle with no seat? And no pedals!
> Mark: To answer a question with a question: What use is a skateboard?
> Dave: Skateboards have wheels.
> Mark: My wheel has a wheel!
>
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