Re: [Xen-users] CentOS 6.0 domU kernel: how to setup?

["Fajar A. Nugraha" <list@xxxxxxxxx>]

On Sun, Oct 23, 2011 at 7:52 PM, Flavio <fbcyborg@xxxxxxxxx> wrote:
> On 23 October 2011 14:51, Peter <peter@xxxxxxxxxxxxxxxx> wrote:
>> The default CentOS 6 kernel is DomU capable.
> Thanks, it actually boots, but I was not sure about the configuration
> and the domU optimization.

If your goal is to have a "supported" centos installation, then with
regards to xen it's  as optimized as you'll ever get.

That being said, in the past pv_ops kernel performs not as well
xenified kernel, not to mention some missing features (e.g. memory/cpu
hotplug). There's also many improvement in latest vanilla kernel
compared to 2.6.32 (which is what rhel/centos is based on). So if
you/re REALLY concerned about optimizing or a particular feature, then
you might want to compile your own kernel based on latest vanilla
linux 3.x   (based on pv_ops) or suse's kernel (which is the most
recent xenified kernel available), then compare the results.

Generally I'd say don't bother though, just stick with the bundled kernel.

-- 
Fajar

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