Dmitry Ivanov wrote: > Hello! > > I am migrating from Linux workstation to Mac mini (Intel 1.66 GHz). I > like most of this computer and this OS. The only thing is really > wrong: ntpd performance. > > Our three local NTP servers are stratum-2 and their offset usually > does not exceed 2-3 ms. > > First, I have tried "official" way of using NTP on Mac OS X. This > resulted in ~600 ms offset after 24h of operation. >
It would help if you showed the state of things using "ntpq -p -c rv" so we could get an idea what's going on. > OK, I have created my own ntp.conf and restarted "Network Time" > service. My old Linux box has the same configuration with three local > servers. > What's "Network Time" > After several hour of operation, Mac mini still has 64 sec. polling > interval. At the same time Linux box has reached 1024 sec. Frequency > displayed by "ntpq -c rv" is drifting between 6 and 8 all the time... > You shouldn't see a poll interval of 64 secs after that long so some is definitely wrong but we can't tell without some data from the billboard. > What is wrong with Mac mini clock? Do other Macs have the same > instability? > It must be some kind of configuration issue. What version of ntpd are you running? Also are your firewall's set up correctly? is 123/UDP open to send and receive packets? Danny _______________________________________________ questions mailing list [email protected] https://lists.ntp.isc.org/mailman/listinfo/questions
