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Re: ntp issue.




The ntp information is below. The Full IP address is show below just as
"IP" for security reasons.

restrict default ignore
restrict IP mask 255.255.255.255 nomodify notrap noquery
restrict 127.0.0.1
server IP
fudge        127.127.1.0 stratum 10
driftfile /var/lib/ntp/drift
broadcastdelay        0.008
authenticate yes
keys                /etc/ntp/keys

Let me know what you think?

Regards

Andrew Bridgeman

|+----------------------------+-------------------------------------------|
||   "Herta Van den Eynde"    |                                           |
||   <herta vandeneynde gmail |           To:        "General Red Hat     |
||   com>                     |   Linux discussion list"                  |
||   Sent by:                 |   <redhat-list redhat com>                |
||   redhat-list-bounces redha|           cc:                             |
||   t.com                    |           Subject:        Re: ntp issue.  |
||                            |                                           |
||   31/07/2007 11:06         |                                           |
||   Please respond to General|                                           |
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||   list                     |                                           |
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|+----------------------------+-------------------------------------------|






On 31/07/07, Andrew Bridgeman corusgroup com
<Andrew Bridgeman 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

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