On Fri, Mar 04, 2011 at 11:37:08AM +0200, Pasi Kärkkäinen wrote:
> On Fri, Mar 04, 2011 at 11:11:52AM +0200, Jussi Hirvi wrote:
> > On 4.3.2011 10.52, Simon Matter wrote:
> > > I don't know if it's recommended that way but at least it works fine.
> >
> > Hm, that is kind of the only important thing. :-)
> >
> > If it is not recommended, there have to be better reasons for that than
> > mere tidiness.
> >
>
> Dom0 should be reserved only for management toolstack and minimal amount
> of services (storage/network backends).
>
> Actually dom0 is a *VM* aswell (see "xm list"), although it has more direct
> access to the hardware and thus to storage.
>
> You're probably limited by the disk IOPS anyway, so it shouldn't
> matter that much if you run the service in dom0 or in domU,
> so go for domU, since that's the more safe bet.
>
Oh, you should also limit and dedicate fixed amount of memory
for dom0, say, 768 MB, or whatever you need there.
http://wiki.xensource.com/xenwiki/XenBestPractices
-- Pasi
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