[CentOS-virt] XEN and RH 6

Tue Nov 10 09:32:05 UTC 2009
Pasi Kärkkäinen <pasik at iki.fi>

On Tue, Nov 10, 2009 at 09:53:24AM +0100, Frederic SOULIER wrote:
> Hi,
> 
> Do you really think that RHEL6 will not include dom0 version ?
> It seems that KVM will be the favorite for redhat virtualisation but i 
> think Xen is actually largely deployed.
>

Well.. I don't have any facts.. 
And yes, Xen is largely deployed, and good solution. 

I use it myself, just like many others.

> We have here a "cluster" of ten Xen centos 5.4 dom0 and i'm asking what 
> it will become with RHEL6 if there is no more dom0 version.
> We think about migration from Xen to KVM but the process could be 
> complex and i don't know if kvm will equal Xen performance for 
> production use.
> Anyone as the same problem/question here.
> 

I guess we'll just have to wait.. or contact RH folks and ask/push it :)

-- Pasi

> Regards
> 
> 
> 
> Pasi Kärkkäinen a écrit :
> > On Mon, Nov 09, 2009 at 04:45:56PM +0100, Hildebrand, Nils, 232 wrote:
> >   
> >> Hi,
> >>
> >> my local RH-salesman told me that rh6 will be based on a mix of Fedora 11/12 - so I hope for the best.
> >>
> >>     
> >
> > Yeah, RHEL6 will be based on Fedora 12 (afaik).
> > Also, I think RHEL6 will support running as Xen guest (PV domU), but I
> > don't think they're going to ship dom0 with it.. 
> >
> > I really hope they would, but I'm not holding my breath considering how
> > much they talk about KVM..
> >
> >   
> >> At the moment I am stuck with SLES (currently 10) on our Dom0-servers, since it has the newer XEN-version.
> >> I would love to move to RH or CentOS with my Dom0s...
> >>
> >>     
> >
> > Upgrade to SLES11 at least then.. I think it has Xen 3.4.1 available and
> > 2.6.27 dom0 kernel.
> >
> > -- Pasi
> >
> >   
> >> Kind regards
> >>
> >> Nils
> >>   
> >>
> >>     
> >>> -----Original Message-----
> >>> From: centos-virt-bounces at centos.org 
> >>> [mailto:centos-virt-bounces at centos.org] On Behalf Of Pasi Kärkkäinen
> >>> Sent: Monday, November 09, 2009 3:58 PM
> >>> To: Discussion about the virtualization on CentOS
> >>> Subject: Re: [CentOS-virt] High CPU usage when running 
> >>> aCentOSguestinVirtualBox
> >>>
> >>> On Mon, Nov 09, 2009 at 12:47:08PM +0100, Hildebrand, Nils, 232 wrote:
> >>>       
> >>>> Hi,
> >>>>
> >>>> this weekend I took a closer look at KVM. I think that the 
> >>>>         
> >>> paravirtualized XEN or Hyper-V-Approach is superior to the 
> >>> full virtualization.
> >>>
> >>> PV has it's advantages..
> >>>
> >>>       
> >>>> Red Hat 6 will have XEN-Support (propably XEN 3.4 with 
> >>>>         
> >>> power-consumption savings).
> >>>       
> >>> What did you hear this? Is it a fact? 
> >>>
> >>> -- Pasi
> >>>
> >>>
> >>> _______________________________________________
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> >>> CentOS-virt at centos.org
> >>> http://lists.centos.org/mailman/listinfo/centos-virt
> >>>
> >>>       
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> >   
> 
> -- 
> Frederic Soulier
> 
> DSI / STAR 
> Universite Toulouse 1 Capitole
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