Nagios Distributed Monitoring

[Thomas Sluyter]

On 21 Jun, 2006, at 14:37, <narendran.neelamegam at wipro.com>  
<narendran.neelamegam at wipro.com> wrote:
>
> We are looking at a solution to Monitor three datacentre which are
> located geographically apart.

Actually,

We just had a discussion about this a few days ago.. I guess you  
joined the list quite recently.

Anywho:
* The book "Pro Nagios 2.0" has a chapter on redundancy which  
explains some good ideas.
* The basic principle is that you build clusters, where each node has  
the same Nagios config.
* One node is the primary, which performs all the checks
* The secondaries are running, but not active (no checks/ 
notifications/whatever)
* The primary forwards status messages to the secondaries through NSCA.

Of course you'll need a way to keep the configs in sync and the  
solution is not perfect, but it's a start.

A better idea entirely would be to use clustering software and shared  
storage for the config and status files.

Cheers,


Thomas




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