Re: [Xen-users] Xen + RHEL5 + 64/32 bit

[Nico Kadel-Garcia <nkadel@xxxxxxxxx>]

Mark Williamson wrote:
> > > Does anyone have experience with the Xen that's built in to RHEL5?
> > > Does it have most of the feature set of the open source version xen 3.04
> > > or is it an older version?  Has it proved to be stable?
> > >       
> It's based on Xen 3.0.3.  Amongst other things this means that its HVM support 
> is not quite so advanced (the specific thing that comes to mind is SMP HVM 
> guest support is not quite there, but I'm sure there are other fixes to HVM 
> and other code too in 3.0.4).
> I believe the RHEL 5.1 update is slated to include a newer Xen, possibly 3.1.
>   
I don't see how it could be 3.. Fedora Core 7 is only up to 3.0.4. And 
at the Xen presentation by RedHat I visited last month, they were very 
clear that stability and consistency of software is a big, big, big deal 
in the RHEL world., and I don't think they've had enough time to really 
test the released 3.1 code.
Mind you, I've worked with the XenSource RPM's for a while now and am 
pleased with them, but wish they'd fold in the 'run grubby after kernel 
installation' because grubby now works for Xen kernels, and actually 
include the documentation in the RPM's. (Compiling the docs from the 
SRPKM from XenSource is..... non-trivial.)

> > > For a new Xen system would you recommend installing RHEL4 (or clones)
> > > and then downloading the xen rpms and tarballs from the Xen site,
> > > or picking RHEL5 and using the Xen that comes with that?
> > >       
> I'm running my test machines with CentOS 4 and a xen-unstable compiled from 
> source.  Obviously you wouldn'twant to do that for production machines, but 
> it works well for me.
>   
I use CentOS 4.5 with the Xensource 3.1.0 kernel, which works well.

> RHEL5 has the advantage of being nicely integrated into the system.  There's 
> SELinux support for Xen (if you organise your VMs the way it expects, that 
> is!), there's the nice virt-manager GUI, etc.
> You could always try this out using CentOS 5.
>
>   
Yeah, 5.0 works pretty well, as does RHEL 5.0


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