[CentOS-virt] Best virtualization setup for Centos 5.2

Thu Jan 22 08:18:49 UTC 2009
Manuel Wolfshant <wolfy at nobugconsulting.ro>

On 01/22/2009 09:31 AM, Kai Schaetzl wrote:
> Dennis J. wrote on Wed, 21 Jan 2009 20:00:24 +0100:
>> Doing a "hdparm -t" on the host system consistently gives 
>> me a result of about 70MB/sec yet in a KVM guest I get results ranging from 
>> 40MB/sec to 125MB/sec on each run.
> The higher results after the first run are from caching. Xen will give you 
> just a little bit less than the host. We are using only Xen and are happy with 
> it. If you want to use CentOS on CentOS, there's nothing that beats Xen. 
> Absolutely stable, reliable and good performance.
same results here. 5.2 guest on 5.2 rocks. I have half a dozen 
installations (as in physical machines), one of them including several 
oracle instances as VMs [*], and not a single issue.

[*] no comment on oracle as VMs, please. it was not my decision.