FC 1: NTPD not keeping time correctly

Clint Harshaw clint at penguinsolutions.org
Thu Sep 9 14:30:46 UTC 2004


Alexander Dalloz wrote:
> It does not sync. Add to ntp.conf
> 
> restrict 66.187.233.4 mask 255.255.255.255 nomodify notrap noquery
> 
> and restart the ntpd service.
> 
> Alexander


I've added that line, and here is additional output:

# egrep -v '^$|^#' /etc/ntp.conf
restrict default ignore
restrict 66.187.233.4 mask 255.255.255.255 nomodify notrap noquery
restrict 127.0.0.1
server 66.187.233.4
fudge   127.127.1.0 stratum 10
driftfile /var/lib/ntp/drift
broadcastdelay  0.008
authenticate yes
keys            /etc/ntp/keys

# /usr/sbin/ntpq -p
      remote           refid      st t when poll reach   delay   offset 
  jitter
==============================================================================
  clock1.redhat.c 0.0.0.0         16 u    -  256    0    0.000    0.000 
4000.00

# host 66.187.233.4
4.233.187.66.in-addr.arpa domain name pointer clock1.redhat.com.

and this output from tail -f /var/log/messages immediately after a 
restart of ntpd (in RH->System Settings->Server Settings->Services):

Sep  9 10:26:26 localhost ntpd[10965]: ntpd exiting on signal 15
Sep  9 10:26:26 localhost ntpd: ntpd shutdown succeeded
Sep  9 10:26:34 localhost ntpdate[11965]: no server suitable for 
synchronization found
Sep  9 10:26:34 localhost ntpd:  failed
Sep  9 10:26:34 localhost ntpd[11970]: ntpd 4.1.2 at 1.892 Wed Oct 29 
06:06:59 EST 2003 (1)
Sep  9 10:26:34 localhost ntpd[11970]: precision = 14 usec
Sep  9 10:26:34 localhost ntpd[11970]: kernel time discipline status 0040
Sep  9 10:26:34 localhost ntpd[11970]: frequency initialized 0.000 from 
/var/lib/ntp/drift
Sep  9 10:26:34 localhost ntpd: ntpd startup succeeded

The message that there is "no server suitable ..." makes me think I 
should try an alternate clock server, and put the ip address in the 
ntp.conf file. But I am reluctant to change configuration files that I 
don't understand.

Am I reading this output correctly?

Thanks,
Clint





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