[ntp:questions] Trouble Simulating Leap Seconds

Marco Marongiu brontolinux at gmail.com
Thu Apr 2 06:44:59 UTC 2015


23:59:59 of which timezone?
 Il 02/apr/2015 03:14 "Jim Witschey" <jim.witschey at datastax.com> ha scritto:

> Hey all,
>
> I'm trying to simulate a leap second on a cluster of Ubuntu AWS
> instances via NTP, and I could use some help. I've set up a basic NTP
> server with a leapfile as described here:
>
> https://support.ntp.org/bin/view/Dev/LeapSecondTest
>
> The server's warning for the upcoming leap second seems to propogate
> to the clients, as I see `leap_armed` in the output for `ntpq -c rl`
> before midnight, and `leap_event` afterwards. However, when I loop
> `date -u` over the leap second, I don't see a leap second getting
> inserted -- I expect 23:59:59 to last for 2 seconds, but it doesn't.
> The time goes straight from 23:59:59 to 00:00:00 the next day.
>
> In addition, I don't see any information about inserted leap seconds
> in the logs when I search with `dmesg | grep leap` or `sudo grep leap
> /var/log/syslog`.
>
> Am I missing something? I can provide more information on request.
>
> Jim Witschey
> _______________________________________________
> questions mailing list
> questions at lists.ntp.org
> http://lists.ntp.org/listinfo/questions
>


More information about the questions mailing list