NTP question

Thu May 2 15:29:56 UTC 2019

Once upon a time, William Herrin <bill at herrin.us> said:
> The one time I relied on the pool I lost sync a year later when all three
> servers the configuration picked withdrew time services and the
> still-running ntp client didn't return to the names to find new ones.
> Wonderful if that's fixed now but the pool folks argued just as strongly
> for using it back then.

Current versions of both ntpd and chrony support a "pool" config option
as an alternative to the "server" option, and I believe both will
monitor the reachability and quality of the sources and periodically
refresh from DNS.

-- 
Chris Adams <cma at cmadams.net>