Vmware ESXi (3.5) and RHEL (5.1) : Timekeeping Woes

Brett Delle Grazie brett.dellegrazie at Intact-is.com
Tue Sep 15 12:31:37 CDT 2009


Hi,

The following URL indicates current VMware best practice for timekeeping
on various Linuxes.  I have used this with reasonable effect.

http://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=1006427

If that doesn't work google 'vmware timekeeping best practice'

HTH

Brett Delle Grazie



> From: linux-poweredge-bounces at lists.us.dell.com [mailto:linux-poweredge-bounces at lists.us.dell.com] On Behalf Of Brian O'Mahony
> Sent: Tuesday, September 15, 2009 4:45 AM
> To: linux-poweredge at lists.us.dell.com
> Subject: Vmware ESXi (3.5) and RHEL (5.1) : Timekeeping Woes
> 
> I may have posted this here previously, and if not I know I spoke to Dell support, whom advised me to make sure that the "Synchronize guest time with host" was turned off.
> 
> Basically I have a RHEL5.1 server. It has the ntpd service running. This seems to stop every now and again. It took me quite some time to organize downtime on this VM, so I only got to turn off the option in setting last week.
> 
> Here is the log from messages:
> 
> messages:Sep 13 10:28:07 curzilla ntpd[2593]: synchronized to LOCAL(0), stratum 10
> messages:Sep 13 11:35:50 curzilla ntpd[2593]: synchronized to 172.16.164.100, stratum 4
> messages:Sep 13 15:18:10 curzilla ntpd[2593]: synchronized to LOCAL(0), stratum 10
> messages:Sep 13 19:33:29 curzilla ntpd[2593]: synchronized to 172.16.164.100, stratum 4
> messages:Sep 14 08:04:52 curzilla ntpd[2593]: synchronized to LOCAL(0), stratum 10
> messages:Sep 14 09:30:14 curzilla ntpd[2593]: synchronized to 172.16.164.100, stratum 4
> messages:Sep 14 22:01:36 curzilla ntpd[2593]: synchronized to LOCAL(0), stratum 10
> messages:Sep 15 01:10:27 curzilla ntpd[2593]: synchronized to 172.16.164.100, stratum 4
> messages:Sep 15 01:26:28 curzilla ntpd[2593]: time correction of 2232 seconds exceeds sanity limit (1000); set clock manually to the
>  correct UTC time.
> 
> 
> 
> Anyone have any ideas/suggestions?
> 
> B
> 


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