Test farm news
hmurray at megapathdsl.net
Fri Jun 17 11:15:23 UTC 2016
gem at rellim.com said:
> You need to do more than shutdown ntpd to get back to pre-ntp initial
> conditions. For a real good test you need to set the system clock off by
> maybe a minute, or an hour ,or maybe back to 1970. Remove the drift file.
> Remove the battery from you GPS. And probably restart Linux to clera out
> any save drift.
I think there are 3 major cases for restarting ntpd.
The power off case has a sub-case where power if off long enough so that
things cool down so the drift file is no longer as accurate as it is if the
temperature doesn't change.
I think there are 3 startup time offset cases:
Huge: bail if the -g switch isn't set. With -g, step the clock.
Big: step the clock
Close: slew the clock.
These are my opinions. I hate spam.
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