Re: [Xen-users] old RHEL3 domu kernel

[Pasi Kärkkäinen <pasik@xxxxxx>]

On Thu, Sep 22, 2011 at 05:22:30AM +0700, Fajar A. Nugraha wrote:
> On Thu, Sep 22, 2011 at 2:05 AM, Peter <peter@xxxxxxxxxxxxxxxx> wrote:
> > Hi everyone,
> >
> > I need to port over an old RHEL3 box to a xen domU (just for a little
> > while until I can transfer all of its services over to a new domain).  I
> > was hoping to get a domU supported kernel so I can run it as a PV guest
> > and found this page:
> >
> > http://xen.org/download/dl_304guest_rhel3.html
> >
> > ...but the links to the actual kernels come up with 404 errors.  Anyone
> > know where I can get this kernel from?
> 
> You can't. Not when the key word is PV and SUPPORTED.
> 
> RHEL3 uses 2.4 kernel, which can't run as PV guest in Xen >=3. You
> MIGHT be able to hack a 2.6 or 3.0 PV kernel to work with RHEL3, but
> it will be unsupported.
> 

The url mentioned above had Xen PV enabled Linux 2.4 kernel for RHEL3 (based on 
the actual RHEL3 kernel)
It was developed by Xensource, back in the days.

It was removed because it had some known bugs, and it is unmaintained.

> Another alternative is to contact Redhat. IIRC the supported
> configuration is to use HVM (or KVM, if your host is RHEL6), but you
> might be able to get PV drivers.
> 

RHEL3 ships with Xen PVHVM drivers included, so install RHEL3 as Xen HVM VM,
and then enable the PV drivers!

That's the best way, and it's supported by Redhat.

-- Pasi


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