[Pool] Valid pool server checks
stenn at ntp.org
Wed Apr 1 17:49:11 UTC 2015
Daniel Frank writes:
> Am Mittwoch, 1. April 2015, 09:22:55 schrieb Harlan Stenn:
> > So I'm thinking that we might want to add an option to ntpd that would
> > periodically send a message (do a DNS lookup?) to the pool DNS servers
> > to ask "Is XXX still a recommended pool server?" and if the answer is
> > "no" we'd drop that association and spin up a new one.
> I believe ntpd already has that function:
> It is hard to find additional information in the documentation, especially
> information about how exactly this works.
The 'pool' directive is how ntpd initially *finds* servers from the
pool. Once found, they are used until ntpd decides they are "bad", and
it throws out the bad ones and solicits new servers.
Please open a bug report describing what you would like to see improved
in the documentation.
More information about the pool