[EMAIL PROTECTED] wrote:
[ ... ]
It may very well be noisier than just serving out ntp
to the local network, what with talk about elections
and such every 4 minutes, but generally everything
is kept within 0.050 seconds (and running ntpd on
all of the local machines feels like serious overkill).
Simply setting the date upon system boot and maybe once a day using cron to
call ntpdate or whatever is probably good enough for any client machine, and
OK for non-important servers where the exact timekeeping doesn't matter much.
ntpd is tiny by modern standards-- it's much smaller than a single Perl or
Apache httpd+mod_Perl/PHP/whatever child process. :-) Normally, you choose
your three (or more) most important servers, and run NTPd on them in a
peer-aware ring with some external servers from the NTP pool, and then call
ntpdate or run ntpd against only your local NTP resources for the rest of your
Sun SPARC machines have good HW clocks, and also some of the newer Macs also
seem to have consistently low values in ntp.drift and handle timekeeping well.
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