[ale] Clock Drift in VMware Server

Drag0n dragon at atlantacon.org
Thu May 28 17:58:43 EDT 2009


This has been a long going issue with the Server product line.

http://communities.vmware.com/message/712851#712851

It seems to be worse under heavy loads. I have yet to see the issue on 
ESXi guests thought.

If you have that option, it may be advisable to move to that platform. 
the only way i found around that was an hourly or more frequent time 
update with ntpdate in the crontab.


Drag0n


Chris Fowler wrote:
> I'm running VMware Server 2.0 on Centos 5.2 and I have 5.2 guests.  The
> clock drift on the guests is horrible.  I've written a script that
> updates the clock
> 
> 28 May 10:34:51 ntpdate[4522]: step time server 198.137.202.16 offset
> 558.557700 sec
> 28 May 11:43:41 ntpdate[12168]: step time server 216.14.97.75 offset
> 525.761734 sec
> 28 May 12:49:42 ntpdate[19722]: step time server 69.31.13.210 offset
> 357.566419 sec
> 28 May 13:54:41 ntpdate[27432]: step time server 209.104.4.231 offset
> 298.270392 sec
> 28 May 15:01:02 ntpdate[2459]: step time server 66.79.148.39 offset
> 378.376557 sec
> 28 May 16:08:38 ntpdate[10010]: step time server 207.171.30.106 offset
> 454.967227 sec
> 
> 
> It runs every hour but look at that drift.  Is there anything I can do
> to remedy this?
> 
> Chris
> 
> 
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