NTP - Here we go again!

From: Stamper, Steve (sstamper@FOREMOST.COM)
Date: Mon Apr 05 2004 - 08:25:14 EDT


I know that this is a dead horse - sorry for the question.

Up until this weekend, my internal NTP server (referencing
gilbreth.ecn.purdue.edu) has worked flawlessly. Starting this weekend
after the time-change, it's NTP is now delivering off by 1 hour. No known
changes on internalNTPSERVER.

When I ntpdate gilbreth, the time sets correctly on internalNTPSERVER.
However any internal AIX host that queries against internalNTPSERVER via
ntpdate gets pushed off an hour. xntpd has been recycled. I have verified
the TZ thing in /etc/environment on the hosts.

I'm looking for places to go look. Thanks for your feedback...

Steve

========================================================================
Output from ntpdate -d internalNTPSERVER on a local host
   server 10.179.97.14, port 123
   stratum 3, precision -18, leap 00, trust 000
   refid [128.46.103.93], delay 0.02609, dispersion 0.00000
   transmitted 4, in filter 4
   reference time: c41bc8fc.5ef24000 Mon, Apr 5 2004 7:01:00.370
   originate timestamp: c41bc900.a26a2000 Mon, Apr 5 2004 7:01:04.634
   transmit timestamp: c41bd710.4e32e000 Mon, Apr 5 2004 8:01:04.305
   filter delay: 0.02638 0.02609 0.02628 0.02614
                  0.00000 0.00000 0.00000 0.00000
   filter offset: -3599.67 -3599.67 -3599.67 -3599.67
                  0.000000 0.000000 0.000000 0.000000
   delay 0.02609, dispersion 0.00000
   offset -3599.671421

Output from ntpdate -d internetNTPSERVER on internalNTPSERVER
   server 128.46.103.93, port 123
   stratum 3, precision -16, leap 00, trust 000
   refid [130.126.24.53], delay 0.04134, dispersion 0.00185
   transmitted 4, in filter 4
   reference time: c41bca47.5970e000 Mon, Apr 5 2004 8:06:31.349
   originate timestamp: c41bcab4.1c2bd000 Mon, Apr 5 2004 8:08:20.110
   transmit timestamp: c41bcab4.19fae000 Mon, Apr 5 2004 8:08:20.101
   filter delay: 0.04297 0.04259 0.06284 0.04134
                  0.00000 0.00000 0.00000 0.00000
   filter offset: -0.00042 -0.00068 -0.01076 0.000082
                  0.000000 0.000000 0.000000 0.000000
   delay 0.04134, dispersion 0.00185
   offset 0.000082

/etc/ntp.conf snip from internalNTPSERVER
  server gilbreth.ecn.purdue.edu
  driftfile /etc/ntp.drift
  tracefile /etc/ntp.trace



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