Re: NTPD

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I recommend to use NTPD on all your RedHat servers so the servers will be able to sync time with each other. This will eliminate the common point of failure which is possible in the configuration with ntpdate when the timesource_server used for ntpdate will have wrong time. In the situation when all sever prowide synchronization to each other wrong time on any one of them will bw corrected by time syncronization from other servers.
Just say in the NTPD configuration on RedHat and Solaris servers that those servers are peers to each other using 'peer' directive. There is no need to be connected to internet to use NTP. However in this case you will use not the exact time fron Internet time servers, but some mean time of majority of your NTP servers.
In the windows XP configuration list them all as NTP servers so the XP clients will not get out of sync if any (but not all) of your NTP servers fail.


Alexey Fadyushin.
Brainbench MVP for Linux.
http://www.brainbench.com


McDougall, Marshall (FSH) wrote:
Charlie.

In our situation, we have 1 server acting as the time source and I cron a
nightly script that syncs the clocks off of the one.  The time source
machine is running ntpd and my cron is just "ntpdate -u
my_timesource_server".

Nothing fancy and it works just fine to keep all the local clocks in sync.

Regards, Marshall

-----Original Message-----
From: Charlie H. Thompson [mailto:cthompson@xxxxxxxxxxxxxx] Sent: Thursday, December 23, 2004 4:43 PM
To: redhat-list@xxxxxxxxxx
Subject: NTPD



I have a closed peer-to-peer network running Red Hat 9.0, Solaris 8, and Windows XP. There is no connection to the internet. There is a great need to have all computer time synced.

Is it possible to configure one of the Red Hat 9.0 servers as an NTP server
for the others without connecting to a network?  If so, where can I go to
find out how?

Charlie


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