Re: AW: AW: [chrony-users] chronyd: Can' Synchronize WHY ?

[Bill Unruh <unruh@xxxxxxxxxxxxxx>]

On Mon, 12 Sep 2011, thomas.schmid@xxxxxxxxx wrote:

> Hi Bill,
> >  First the diagnosis, then the cure.
> > There are two separate problems in your system that have been noticed. The
> > first is that your system hops from one server to other, and sometimes refuses
> > to use either, because of the discrepancy in the times delivered by the
> > servers. The second is that large variance in the calculation of the slope of
> > the system and computed by chrony.
> I need another dose of "Dummy Guide": What exactly is the "slope of the system" ?

The clock is early or late of UTC (the offset) but also its rate may be
different ( the number of seconds per second it ticks). That is the slope. If
you graph the offset as a function of time, the slope of that curve is the
rate difference.


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