Marcus König wrote:
Hello NG,
i compiled ntp version 4.2.0 on AIX 5.1 with a hopf-clock. After that i
compiled this version on AIX 5.2 run as Client for the 5.1. My problem
ist that after a time the clocks are synchronized in one step.
How can I configure the client that he sets the time in steps like 1
second in one hour?
thanks for answering.
regards marcus.
Please see the the ntpd documentation at
http://www.eecis.udel.edu/~mills/ntp/html/ntpd.html or it's also
available in your ntp-4.2.0.html directory.
In brief, ntpd slews the clock to correct errors less than 128
milliseconds or steps the clock if the error is greater. You can start
ntpd with the -x option which will change the threshold to 600 seconds.
Doing so, without first setting the clock, will require one full day
to correct an error of 42 seconds!!
An error large enough to cause ntpd to step the clock is usually an
indication of a problem somewhere.
Best practice is to start ntpd with the -g option which causes ntpd to
set the clock on a one time basis. Do so before starting any
application that needs either the correct time or monotonically
increasing time.
Once started with the correct time, ntpd should be able to maintain the
local clock within 5-10 milliseconds of the correct time using internet
servers or within 1-2 milliseconds using a server on the LAN.
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