RE: [Xen-devel] Red Hat dropped XEN

["Venefax" <venefax@xxxxxxxxx>]

I was trying to use some of the command set, like "xm new -F" etc., and it
did not work, so I did checked and the xm options are limited, compared to
SLES 10 SP2 or the Beta SLES 11. It is an inferior product. For example,
what I typically do is this:
Create a paravirtualized domU
Xm list --long domname > domname.sxp
Edit domname.sxp and add (cpus 2-15)
Xm new -F domname.sxp

The question is: how do you achieve that with RHEL 5.3? I don't want my
Dumu's to use all the CPU's, since I restrict Dom0 to CPU's 0-1. Is there a
way, at all?
Federico


-----Original Message-----
From: Daniel P. Berrange [mailto:berrange@xxxxxxxxxx] 
Sent: Monday, March 09, 2009 6:13 AM
To: Venefax
Cc: xen-devel@xxxxxxxxxxxxxxxxxxx
Subject: Re: [Xen-devel] Red Hat dropped XEN

On Sun, Mar 08, 2009 at 08:46:22PM -0400, Venefax wrote:
> I was really dismayed today when I installed the latest Red Hat 5.3 and
the
> version of Xen included is 3.1. Apparently, the only distribution with Xen
> 3.3 is Suse. Am I reading here that Red Hat will never upgrade Xen to
newer
> versions? I installed the released version, and it still uses Xen 3.1.

Things are not quite that simple. The RHEL-5 userspace tools are mostly on 
a 3.0.3 base, while the hypervisor and kernel are on a 3.1.0 base. The base
versions are typically not upgraded during the lifetime of a major RHEL
release series. That said, we do have a large number of carefully backported

features & patches from newer versions, eg to add support for NPT/EPT, 
improved HVM support, hugepage support, and much more besides.  So just 
comparing version numbers won't give you a true picture of Xen features 
available in RHEL-5.

Regards,
Daniel
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