[ntp:questions] Selection and Clustering of candidates
david at ex.djwhome.demon.invalid
Sun Jun 26 09:03:40 UTC 2011
Mischanko, Edward T wrote:
> Some of the servers
> NTP selects have offsets that are higher than the majority;
These might be the ones with the most correct time. A high offset only
indicates a poor time if you are certain that the local time is
> Why are they being selected?
Because they have times that are consistent with the times from all the
other selected ones and NTP_MAXCLOCKS in ntpd.h hasn't been reached.
> Why are so many being selected when I really want the best 5 or 6.
How is ntpd to determine that they are the best ones. A high offset may
simply mean the local time is wrong.
> # Miscellaneous stuff
> tinker allan 7
> tos minclock 4 minsane 3
It is tos maxclock, but it doesn't seem to be documented in at least
some versions of the HTML.
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