Martin Burnicki <martin.burni...@meinberg.de> writes: >Unruh wrote: >> "Richard B. Gilbert" <rgilber...@comcast.net> writes: >[...] >>>I'd be very cautious about using a drift file that was much more than >>>one hour old. If the environment (temperature) has remained constant >>>you are probably okay but the greater the length of time you are down >>>the greater the uncertainty of the time you will start up with. >> >> On Linux these days, even a drift file that is 10 sec old is useless, >> since the system clock drift rate changes by up to 50PPM over a reboot.
>... which would not even be noticed if ntpd would initially apply >corrections faster. Agreed. chrony for example compensates within less than 15 min to bring the system under control and time errors of 10s of microseconds. >Martin >-- >Martin Burnicki >Meinberg Funkuhren >Bad Pyrmont >Germany _______________________________________________ questions mailing list questions@lists.ntp.org https://lists.ntp.org/mailman/listinfo/questions
