| Re: [chrony-users] Syncromisation confusion |
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- To: chrony-users@xxxxxxxxxxxxxxxxxxxx
- Subject: Re: [chrony-users] Syncromisation confusion
- From: Miroslav Lichvar <mlichvar@xxxxxxxxxx>
- Date: Tue, 23 Mar 2021 15:41:21 +0100
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On Tue, Mar 23, 2021 at 03:17:01PM +0100, Mattias Winther wrote:
> I tried adding a refclock PCH in pps mode to my chrony machine, which gets
> its time from an ntpd server running on my firewall, which in turn gets
> it's time from three different ntp.pool.org-servers. At the moment, the
> chrony machine is not talking to any other sources.
>
> Without the refclock, the offset when graphed was fairly shaky, but the
> clock settled in to what seemed to be a consistent sync pattern, albeit
> with a bit less precision than I would like to have.
>
> After the refclock was added, chrony says that it's lacking a majority and
> can't sync for most of the time, and then about every 12 hours it starts to
> sync, spends about 90 minutes speeding up the clock, until all of a sudden
> it stops, and goes right back to not syncing.
It sounds like that PHC is not synchronized to anything. Is it
supposed to be synchronized by ptp4l in a PTP domain?
--
Miroslav Lichvar
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