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

Brett Delle Grazie brett.dellegrazie at Intact-is.com
Tue Sep 15 12:43:16 CDT 2009


Oops - just read the rest of the thread... that will teach me to read
all the digests in order before responding.

Sorry for the repeated information.

Brett

On Tue, 2009-09-15 at 18:31 +0100, Brett Delle Grazie wrote:
> 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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