Re: chrony (was: Speaking of ntp, yes CD-R does mess with the clock!)
Bill Moseley writes:
> I don't really understand how chrony maintains the hardware clock. I
> know chrony can deal with a slow or fast rtc, but it seems like a good
> idea to update the rtc to the real time every once in a while.
I agree. File a wishlist bug so I don't forget and I'll send it upstream.
> Therefore should chronyc be run from cron every so often and run the dump
> and writertc (or trimrtc?) commands?
Yes. Another wishlist bug. This one I could fix in the package.
> So the confusing thing is the startup scripts. /etc/rc2.d/S14ppp runs
> before /etc/rc2.d/S83chrony. For some reason it all works now, but it
> looks like it's possible that the ppp connection could come up before the
> S83chrony script runs which means that /etc/ppp/ip-up.d/chrony could try
> to "online" chrony before chrony is running and listening for commands.
> Again, it seems like it works now, but it looks like a potential problem
> if the ppp connection comes up fast. Is this true, or have I missed
> something in the ppp setup that makes sure it waits long enough for
> startup to complete before bringing up the connection?
That's a bug. Please file a bug report.
> Oh, and a final note -- chrony's default is to assume that the rtc is set
> to localtime. I had to add "rtconutc" in the config file, but it seems
> like it should get that info from /etc/defaults/rcS on installation.
I'll look into that. Another wishlist bug?
email@example.com (John Hasler)
Dancing Horse Hill