Hello. I have two ntpd peers which exchange time between themselves and also receive time from external server. I believe that at some moment connection to external server was lost and time on these two peers drifted a bit.
When connection to external server was restored both ntpd on both peers logged something like: Jun 5 13:21:09 peer0 ntpd[5052]: frequency error 18158 PPM exceeds tolerance 500 PPM After that there were a lot of messages with not so big freq error: Jun 5 13:23:18 DIG ntpd[5052]: frequency error 608 PPM exceeds tolerance 500 PPM When an operator saw time difference with external server about 30sec he just restarted ntpd on both nodes and surprisingly freq error messages disappeared. Now difference is about 1ms and stability stays about 0.021 So my question is: is it possible to confuse ntpd's freq error measurement with some wrong settings? My config is: ----------------------------------------- driftfile /var/lib/ntp/drift keys /etc/ntp/keys restrict default kod nomodify notrap nopeer noquery restrict -6 default kod nomodify notrap nopeer noquery restrict 127.0.0.1 restrict -6 ::1 server 127.127.1.0 noselect fudge 127.127.1.0 stratum 10 restrict 192.168.0.240 mask 255.255.255.240 tinker step 0 tos minclock 1 minsane 1 peer 192.168.0.241 burst iburst minpoll 4 maxpoll 6 prefer true server **external-server-ip** burst iburst minpoll 4 maxpoll 6 true ------------------------------- _______________________________________________ questions mailing list [email protected] http://lists.ntp.org/listinfo/questions
