Jason Roos <email@hidden> on Tuesday, October 26, 2004 at 9:13
PM -0500
wrote:
We have NTP service enabled on each of our OS X Servers (10.3.5) and
neither of them respond to a computer set to use server as a Network
Time Server.
NTP was working on one server properly, now it's not.
When I called Apple Tech support about similar issues they said it was
not a
suggested service and that it might take a day to certify as a service
if there
is an interrupt in tcp/ip connectivity with the time source.
It shouldn't take more than 10 minutes to sync up with a server.
However, if the time differential is great between local and NTP time,
the server gradually adjusts the local time until it syncs with "real"
time.
I have tried manually setting up the ntp.conf to support multiple
sources which
does appear to work but making it stable isn't clear. It does appear
that if
things are working well it does not take a day to certify. There is no
formal
process of dealing with tier 1 or tier 2 servers or lower. It's up to
the
server admin to figure it out, much like snmp.
One is supposed to use only Tier 2 or lower and there are a lot listed
on www.ntp.org. Just put in one line for each server in /etc/ntp.conf
server foo.bar.gov
server fee.fi.fo.fum
etc. I've never had a problem with them resyncing. I'm hanging off
Argonne Nat'l Labs right now as the closest server to me.
Save a copy because each OS upgrade loves to step on the file, putting
yours into ntp.conf.applesaved.
John
--
Allowing the several states to regulate Internet VoIP "is to dumb down
the Internet back to the limited vision of government officials. That
would be a tragedy."
-
Michael Powell,
Chairman, FCC
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John P. Mundt Network Manager
Hawthorn District 73 email@hidden
Vernon Hills, IL 60061 847-990-4591
