[CentOS-virt] Should I switch and if so what is the procedure

Thu Oct 6 10:58:08 UTC 2011
Rich <rhdyes at gmail.com>

Its seems that I should switch then.  I have 2 servers using Xen.  What is
the procedure to conver them? Is there procedure I should use. I have to use
the same boxes I can not export vm's.

On Wed, Oct 5, 2011 at 7:46 PM, Dennis Jacobfeuerborn <dennisml at conversis.de
> wrote:

> On 10/05/2011 06:16 PM, Ed Heron wrote:
> >
> > On Wed, 2011-10-05 at 10:55 -0400, Rich wrote:
> >> Since the Xen and Linux kernel people have finally made peace and Xen
> >> is going to be included with the kernel, should I keep using the Xen
> >> virtual server with Centos or should I switch to KVM?  I am running
> >> Centos 5.7 now.
> >> I guess the real question is can I still use Xen with Centos 6?
> >
> >    The support end of life for CentOS 5 is listed as March 31, 2014
> > (
> http://wiki.centos.org/FAQ/General#head-fe8a0be91ee3e7dea812e8694491e1dde5b75e6d).
>  There isn't any pressure, at this point, to convert your VM hosts to CentOS
> 6 unless there is some feature you require.
> >
> >    I doubt RH will add XEN support to RHEL 6.  They don't like to add
> > functionality to an existing product.  We can hope they bring XEN back
> > in RHEL 7.
>
> While Xen will probably return in RHEL 7 simply because it is part of the
> upstream kernel now I doubt it will be officially supported by Red Hat.
> Between buying Qumranet (http://www.redhat.com/promo/qumranet/) and now
> Gluster (https://www.redhat.com/promo/storage/) it is clear that Red Hat
> aims to become a provider of a complete independent virtualization stack
> and is unlikely to support "competing" products directly.
>
> The question is what does Xen offer that KVM cannot provide? Looking at the
> slides of the KVM Forum 2011 (http://www.linux-kvm.org/page/KVM_Forum_2011
> )
> there seem to be many interesting improvements in the pipeline so at some
> point the question really is why hold on to Xen at all when there is not
> real reason to?
>
> Regards,
>    Dennis
>
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