[ntp:hackers] Does ntpd need to whine more ?

Martin Burnicki martin.burnicki at meinberg.de
Mon Oct 3 08:29:44 UTC 2005


Poul-Henning Kamp wrote:
[...]
> It's not LOCALCLOCK I'm after, it's the fact that ntpd doesn't tell
> the user that it has lost external sync.

Yes, that's exactly why I've recently opened a bug on this:
https://ntp.isc.org/bugs/show_bug.cgi?id=487

However, I've had to learn that everything is working as designed, and that 
it's absolutely OK that if once ntpd has synchronized to an upstream ref time 
source, it keeps it good stratum forever even if none of the upstream sources 
is available anymore. 

What I've not learned is what I should tell normal users who just want to 
check whether their time sync network is in sync. 

> I'm also wondering the wisdom of not slamming the poll rate back
> to 64 seconds when the shift register runs empty.  With a poll
> rate that has grown to 1024 it takes an hours after connectivity
> is back before it even pays attention to the timestamps and
> several hours before it is back in tolerance.

Agreed.


Best regards,

Martin
-- 
Martin Burnicki

Meinberg Funkuhren
Bad Pyrmont
Germany


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