Re: Date drift and ntpd

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Hi,

> > Jason Pyeron sent a missive on 2010-08-12:
> >
> > > We have a local time server and all of our machines are
> > pointed at it
> > > for the time.
> > >
> > > How can the clock drift by a day and a half?
> > >
> > > [root@devserver21 ~]# date
> > > Fri Aug 13 14:43:29 EDT 2010
> > > [root@devserver21 ~]# rdate -s 192.168.1.67
> > > [root@devserver21 ~]# date
> > > Thu Aug 12 07:02:39 EDT 2010
> > > [root@devserver21 ~]# cat /etc/ntp.conf | grep -v ^# | grep -v ^$
> > > restrict default nomodify notrap noquery restrict 127.0.0.1 server
> > > 192.168.1.67 server 192.168.1.66 server 192.168.1.65
> > > server  127.127.1.0     # local clock
> > > fudge   127.127.1.0 stratum 10
> > > driftfile /var/lib/ntp/drift
> > > broadcastdelay  0.008
> > > keys            /etc/ntp/keys
> > >
> > >
> >
> > Hi,
> >
> > It is unlikely that the machine in question drifted forward
> > in time if ntpd was running. Have a look at the logs
> > /var/log/messages it should contain the ntpd log messages
> 
> [root@devserver21 ~]# grep ntpd /var/log/messages
> </snip>
/SNIP
> Jul 29 17:47:24 devserver21 ntpd[3475]: synchronized to LOCAL(0),
> stratum 10
> Aug 12 22:48:29 devserver21 ntpd[3475]: sendto(192.168.1.66): Operation
> not
> permitted
> [root@devserver21 ~]# uptime
>  08:10:19 up 164 days,  9:56,  2 users,  load average: 0.20, 0.54, 0.81
> [root@devserver21 ~]#

What happened between July 29 and now? Is there nothing in the logs for that
period?

Rgds

S.





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