KVM vs Xen support. (Was: server distros)

Scott Sullivan scott-lxSQFCZeNF4 at public.gmane.org
Tue Mar 6 22:21:46 UTC 2012


On 03/06/2012 03:59 PM, Dave Cramer wrote:
> On Tue, Mar 6, 2012 at 3:46 PM, Scott Sullivan<scott-lxSQFCZeNF4 at public.gmane.org>  wrote:
[...]
>>>
>>> This http://wiki.centos.org/HowTos/Virtualization/Introduction
>>> suggests otherwise
>>
>>
>> That page hasn't been updated since 2010-12-02, so its too old to take into
>> account CentOS 6 at all.
>
> So is CentOS supporting XEN then ?

CentOS's primary goal is to follow upstream, which is RedHat Enterprise 
Linux (PNAELV[1] for those who like the "He whom must not be named" 
approach).

RHEL 6 is supporting KVM as their Visualization technology, ergo so is 
CentOS 6. This in part has to due with the Kernel version which was 
selected for RHEL 6. The Xen dev teams skipped over that branch of the 
kernel for support. This came to great annoyance of a colleague of mine 
who is heavily involved with the Cluster Suite for High Availability 
Virtual Machines [2].

Any significant support for Xen on CentOS 6 will not be coming from 
upstream.


[1]: http://www.pnaelv.net/
[2]: https://alteeve.com/w/2-Node_Red_Hat_KVM_Cluster_Tutorial

-- 
Scott Sullivan
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