[chrony-users] Minimal online duration

[Ariel Garcia <a.garcia@xxxxxxxxxx>]

Hello,

my use case for chrony is on a device which is connecting for a few seconds 
every 12 hours to send data. An initial synchronization time on first boot will 
of course take longer, that's ok.
The ppp deamon will set chrony servers online / offline when the link is on/off.

Assuming the servers are reachable/fine, would a short connection time of 
2-3 seconds twice per day be enough to keep synchronized, or should i rather 
enforce some minimum "on" time? (no big precision required, just within 1s)

Can anybody with a similar use-case comment on experience?

My relevant config is:
-----------
server SERVER1/2/3 auto_offline offline iburst presend 10 minpoll 4
initstepslew 3600 SERVER1/2/3
makestep 3600 2
fallbackdrift 13 19
driftfile /var/lib/chrony/sysclock.drift
dumpdir /var/lib/chrony/history
dumponexit
-----------

Thanks in advance!
Ariel

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