[ntp:questions] NTP makes a time jump

Miroslav Lichvar mlichvar at redhat.com
Tue Jul 9 08:07:51 UTC 2013


On Mon, Jul 08, 2013 at 08:19:12PM +0000, unruh wrote:
> Now, If we know that the max difference between the client and server's
> drift rate is say 200PPM, then if one could limit the server to only
> slewing at 300PPM then the client should be able to keep up. But I do
> not know of any way of telling the server it should never slew faster
> than 300PPM. Is there one?

I think the kernel would have to be recompiled with a smaller
MAXFREQ_SCALED constant or ntpd recompiled with smaller NTP_MAXFREQ if
the kernel discipline is disabled.

-- 
Miroslav Lichvar


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