Dear all;
I'm working to prevent leap second impact on some infra structure, and
i'll try to make a test.
As i can see on the documentation page of NTP (1), leap second raise a
warning 28 days before the leap second, and insert a linux kernel flag
23 hours before.
However, i don't see on the RFC (rfc5905) such information about
warning. The LI flag is a two bit flag, with following values :
| 0 | no warning |
| 1 | last minute of the day has 61 seconds |
| 2 | last minute of the day has 59 seconds |
| 3 | unknown (clock unsynchronized) |
ntpdate on debug mode don't show any flags that when a "false" leap
second is to be inserted few days later.
On the other hand, for previous leap seconds, Ask (or any pool
developper) had made a monitoring, in order to verify that servers
announce the leap second few days before it's occure really.
Question : Is it possible to get the leap second flag BEFORE the d-day?
If yes, how can we get it?
Best regards,
1 - http://doc.ntp.org/4.2.6/ntpd.html
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