On 2010-06-11, Tim <[email protected]> wrote:
>
> I don't have a solution for your specific problem but if you're 
> interested in knowing why time drift is so prolific in virtualized 
> environments vmware have an excellent paper on the topic.
>
> http://www.vmware.com/pdf/vmware_timekeeping.pdf
>

Also the RHEV admin guide has a chapter on time management:

        
http://www.redhat.com/docs/en-US/Red_Hat_Enterprise_Virtualization/2.2/html/Servers-Administration_Guide/chap-Virtualization-KVM_guest_timing_management.html

including a list of which boot parameters to use for which VMs.

So far I think the timekeeping has been working flawlessly on our
RHEV cluster.


  -jf

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