NTP Configuration
rob.leadbeater_at_lynx.co.uk
Date: 08/23/04
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Date: Mon, 23 Aug 2004 10:05:43 +0100 To: tru64-unix-managers@ornl.gov
Hi Managers,
For some reason NTP doesn't appear to be working correctly for us, or (probably) isn't configured correctly.
On a two node 5.1B memory channel cluster, I've got the following ntp.conf files:
Node1:
server ntp0.pipex.net version 1
server ntp1.pipex.net version 1
server ntp2.pipex.net version 1
peer node2-ics0 version 3
Node2:
server ntp0.pipex.net version 1
server ntp1.pipex.net version 1
server ntp2.pipex.net version 1
peer node1-ics0 version 3
The output from ntpq -p indicates that no peer/server was selected:
ntpq -p
remote refid st t when poll reach delay offset jitter
==============================================================================
ntp0.pipex.net 0.0.0.0 16 u - 64 0 0.000 0.000 4000.00
ntp1.pipex.net 0.0.0.0 16 u - 64 0 0.000 0.000 4000.00
ntp2.pipex.net 0.0.0.0 16 u - 64 0 0.000 0.000 4000.00
node2-ics0 0.0.0.0 16 u 4 64 0 0.000 0.000 4000.00
however, if I query the external servers I can get the time OK:
node1 # ntpdate -q ntp0.pipex.net
server 158.43.128.33, stratum 2, offset -4.104927, delay 0.41115
23 Aug 09:41:28 ntpdate[791358]: step time server 158.43.128.33 offset -4.104927 sec
node1 # ntpdate -q ntp1.pipex.net
server 158.43.128.66, stratum 2, offset -3.999647, delay 0.20505
23 Aug 09:41:39 ntpdate[791362]: step time server 158.43.128.66 offset -3.999647 sec
node1 # ntpdate -q ntp2.pipex.net
server 158.43.192.66, stratum 2, offset -4.116835, delay 0.43454
23 Aug 09:41:47 ntpdate[791393]: step time server 158.43.192.66 offset -4.116835 sec
but querying the peer on the other node returns:
node1 # ntpdate -q node2-ics0
server 192.168.0.2, stratum 16, offset 7.979337, delay 0.02611
23 Aug 09:42:02 ntpdate[791399]: no server suitable for synchronization found
Can someone give me some pointers as to what could be wrong...?
Cheers,
Rob
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