Nagios cluster

[Steve Shipway]

> I would also like both of my Nagios servers (server A
> and server B) to monitor clients but only one nagios sever 
> will send out
> notifications at a time.  If server A
> goes down, server B take over the sending notification. And 
> if server B goes down
> take over sending notification.

How about this - on server B, have the global notifications enabled set
to no.  Then you add an extra check on server B that tests for server A
being properly up.  This check has an Event Handler that edits the
nagios.cfg to set the global notify flag to yes and restart Nagios.
Have a similar event handler to do the same in reverse when the server A
reappears.

This is what we're doing on the Nagios box on our DR site (we already
have a pair in a cluster on a shared disk at our live site for HA).

Steve

--
Steve Shipway
ITSS, University of Auckland 
(09) 3737 599 x 86487
s.shipway at auckland.ac.nz

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