For the past 6 months a number of NTP servers have been reporting leap=01. When 2013 began I saw a 1 second jump from NTP servers at University of Minnesota, Apple, and a few other sites.
To my knowledge the underlying issue in ntpd has not been addressed. On Tue, Jan 1, 2013 at 12:29 AM, David Taylor < [email protected]> wrote: > On 01/01/2013 06:12, [email protected] wrote: > >> I'm using [0123].ntp.pool.org with my two internet accessing NTP >> servers. I missed the ball drop on new years because I was trying to >> figure out why Nagios was complaining about my NTP servers dropping the two >> internet accessing daemons and prefering each other, resulting in higher >> and higher strata numbers. My first reaction was to restart all these >> non-internet accessing daemons, assuming they'd reset to the two >> internet-accessing daemons, then honor the low stratum numbers and be sane. >> >> Then I noticed my two internet accessing daemons were reporting that they >> were within milliseconds of their internet peers (multiple cnames sending >> them to a non-overlapping set of real servers), BUT almost exactly one >> second different from each other. I first noticed this at a little after >> midnight, but it went away by about 00:40 - I don't have status logs to say >> exactly when. >> >> Huh? >> > > My own plots show no glitch: > > > http://www.satsignal.eu/mrtg/**performance_ntp.php<http://www.satsignal.eu/mrtg/performance_ntp.php> > > Was something sending a Leap Second flag? You could check with my program > here: > > > http://www.satsignal.eu/**software/net.htm#NTPLeapTrace<http://www.satsignal.eu/software/net.htm#NTPLeapTrace> > > Recent versions of NTP should ignore a single leap-second flag, earlier > versions may set a leap second even if only one of the upstream servers is > indicating thus. > > Happy New Year and thanks to all those who have helped me in the past! > -- > Cheers, > David > Web: http://www.satsignal.eu > > > ______________________________**_________________ > questions mailing list > [email protected] > http://lists.ntp.org/listinfo/**questions<http://lists.ntp.org/listinfo/questions> > _______________________________________________ questions mailing list [email protected] http://lists.ntp.org/listinfo/questions
