[Linux-HA] How to run ntp time server on HA

[Alan Robertson]

Hildebrand, Nils, 122 wrote:
> Hi guys,
> 
> NTP is a quite clever and robust protocol (as opposed to dns) - ntp can even
> discover ntp-servers that are running "mad" and will exclude them as
> time-source.
> 
> Since ntp is one of the most important services for almost everything in a
> network it is propably best to have some (at least two) dedicated
> ntp-servers.
> 
> I see no point in using VIPs for NTP - there is no need to failover a
> ntp-server - just run it on all servers and use multiple servers in the
> client-config. In a clustered environment I use alle cluster-nodes as
> additional peers - so time within a cluster will stay the same even if the
> main-ntp-servers are unreachable for some reason.
> 
> Interesting that there is a "-L"-switch for ntpd though.

I put up a simple page on the web site about the -L flag, and referred 
to this thread for more information.

http://linux-ha.org/NtpServer


-- 
     Alan Robertson <alanr at unix.sh>

"Openness is the foundation and preservative of friendship...  Let me 
claim from you at all times your undisguised opinions." - William 
Wilberforce