ntp issue.

Tue Jul 31 10:06:12 UTC 2007

On 31/07/07, Andrew.Bridgeman at corusgroup.com
<Andrew.Bridgeman at corusgroup.com> wrote:
>
>
>
>
> Hello All,
>   I have a strange issue at the moment with regards ntp
> working incorrectly on 35 of our Redhat WS Version 3 Linux machines. I have
> set them all up the same way so they use the IP of our Windows Cluster
> machine I did this by adding the IP to the ntpservers file and the
> tick-servers file. In addition edited the ntp.conf file to show the cluster
> IP as well.
>
> What I seem to get is time differences on the machines within a day of
> stopping and starting the ntpd service. For example I did this yesterday
> and below shows all the machine times now ( 24 hours ) later, you will
> notice there are 30 sec to a minute differences already and I bet with in
> a week or a month they get even more out of sync. Has any body got any
> ideas on what i can check or change to get this working correctly as
> currently it is causing real issues when we run analysis jobs over night.
>
> Time on Machines
> ==============
> Tue Jul 31 10:38:46 BST 2007
> Tue Jul 31 10:38:48 BST 2007
> Tue Jul 31 10:38:47 BST 2007
> Tue Jul 31 10:38:48 BST 2007
> Tue Jul 31 10:38:48 BST 2007
> Tue Jul 31 10:39:00 BST 2007
> Tue Jul 31 10:39:04 BST 2007
> Tue Jul 31 10:39:04 BST 2007
> Tue Jul 31 10:39:04 BST 2007
> Tue Jul 31 10:39:05 BST 2007
> Tue Jul 31 10:39:06 BST 2007
> Tue Jul 31 10:39:06 BST 2007
> Tue Jul 31 10:38:58 BST 2007
> Tue Jul 31 10:38:59 BST 2007
> Tue Jul 31 10:38:59 BST 2007
> Tue Jul 31 10:39:00 BST 2007
> Tue Jul 31 10:39:00 BST 2007
> Tue Jul 31 10:39:01 BST 2007
> Tue Jul 31 10:39:01 BST 2007
> Tue Jul 31 10:39:02 BST 2007
> Tue Jul 31 10:39:02 BST 2007
> Tue Jul 31 10:39:02 BST 2007
> Tue Jul 31 10:39:02 BST 2007
> Tue Jul 31 10:39:05 BST 2007
> Tue Jul 31 10:39:04 BST 2007
> Tue Jul 31 10:39:04 BST 2007
> Tue Jul 31 10:39:04 BST 2007
> Tue Jul 31 10:39:05 BST 2007
> Tue Jul 31 10:39:05 BST 2007
> Tue Jul 31 10:39:05 BST 2007
> Tue Jul 31 10:39:07 BST 2007
> Tue Jul 31 10:39:07 BST 2007
> Tue Jul 31 10:39:07 BST 2007
> Tue Jul 31 10:39:08 BST 2007
> Tue Jul 31 10:39:12 BST 2007
>
> Regards
>
> Andrew Bridgeman

What does your ntp config look like? (grep -v ^\# /etc/ntp.conf)

Anything in the ntp log?

Kind regards,

Herta