"synchronisation lost" errors for Solaris NTP server


 
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Old 12-10-2019
"synchronisation lost" errors for Solaris NTP server

Hi,

This is Solaris 9, which is service as NTP server for many unix clients. At backend, it it synching time with three GPS clocks. From past few days, I am noticing time reset to 1 second. Is this a problem ?
I was assuming that if it is a network issue or GPS clock connectivity issue, it should lost sync only with one device. But I see, it is saying "synchronisation lost" for all three devices.

Code:
ntp-serv10 # ntpq -p
     remote           refid      st t when poll reach   delay   offset    disp
==============================================================================
*sea-gps-clock1. .GPS.            1 u  358 1024  377     1.54   -0.904    0.64
 172.28.42.204   .GPS.            1 u   30  512  270    40.76    0.163 16000.0
+172.28.34.204   .GPS.            1 u 1315 1024  376    77.07   -0.799    7.93
ntp-serv10 # cat /var/adm/messages | grep ntp | tail -10
Dec  8 20:45:46 ntp-serv10 xntpd[15247]: [ID 774427 daemon.notice] time reset (step) -1.005217 s
Dec  8 20:45:46 ntp-serv10 xntpd[15247]: [ID 204180 daemon.info] synchronisation lost
Dec  8 20:49:24 ntp-serv10 snmptrapd[15131]: [ID 702911 daemon.warning] localhost [UDP: [127.0.0.1]:-31114]: Trap , DISMAN-EVENT-MIB::sysUpTimeInstance = Timeticks: (893346033) 103 days, 9:31:00.33, SNMPv2-MIB::snmpTrapOID.0 = OID: DISMAN-EVENT-MIB::mteTriggerFired, DISMAN-EVENT-MIB::mteHotTrigger = STRING: status exec ntp, DISMAN-EVENT-MIB::mteHotTargetName = STRING: , DISMAN-EVENT-MIB::mteHotContextName = STRING: , DISMAN-EVENT-MIB::mteHotOID = OID: UCD-SNMP-MIB::extResult.5, DISMAN-EVENT-MIB::mteHotValue = INTEGER: 1, UCD-SNMP-MIB::extNames.5 = STRING: ntpcheck, UCD-SNMP-MIB::extOutput.5 = STRING: PROBLEM: NTP is not synchronized to peer
Dec  8 20:50:06 ntp-serv10 xntpd[15247]: [ID 854739 daemon.info] synchronized to 192.168.70.16, stratum=1
Dec  9 13:08:02 ntp-serv10 xntpd[15247]: [ID 774427 daemon.notice] time reset (step) 0.998904 s
Dec  9 13:08:02 ntp-serv10 xntpd[15247]: [ID 204180 daemon.info] synchronisation lost
Dec  9 13:13:15 ntp-serv10 xntpd[15247]: [ID 854739 daemon.info] synchronized to 172.28.34.204, stratum=1
Dec  9 13:13:14 ntp-serv10 xntpd[15247]: [ID 774427 daemon.notice] time reset (step) -1.003379 s
Dec  9 13:13:14 ntp-serv10 xntpd[15247]: [ID 204180 daemon.info] synchronisation lost
Dec  9 13:17:34 ntp-serv10 xntpd[15247]: [ID 854739 daemon.info] synchronized to 192.168.70.16, stratum=1
ntp-serv10 #

Please advice.

Thanks
 
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