From: Matt Boes (matt@mpi-cbg.de)
Date: Tue Jun 27 2006 - 04:24:57 EDT
Hello all.
We have just purchased a cluster of 30 Sun x2100 servers in May to do
bioinformatics calculations. We are running CentOS 4.3 on all of them.
All x2100s have identical installations ntp syncing to the node
fileserver, a v240 running Sol10.
Here's the peculiar part:
7 of the x2100s have a clock drift of approximately 10 hours in the
first day. All 7 have a similar drift (+/- 200 seconds). Sometimes it
continues to drift more after it's about 10 hours ahead, but mostly it
stays at approximately 10 hours.
We have tried syncing them to a hardware clock once per day, we've tried
using different ntp servers. This happens with or without ntp enabled.
The motherboard has been replaced on one of the faulty 7 before we saw
this time problem, so at least one of the motherboards is new as of the
middle of June.
Does anyone have any idea what this could be?
I will summarize to the list.
Thanks for your help!
Matt Boes
UNIX Systems Manager
Max Planck Institute for Molecular Cell Biology and Genetics
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