Distributed Monitoring - Redundancy

[Greg Cope]

On Fri, 2006-06-23 at 09:51 -0700, Mike Koponick wrote:
> Hello Everyone,
> 
> I’m running Nagios is a distributed environment which is working very
> well. I would like to add a little redundancy to the picture now that
> I have everything working. ;-)
> 
> Since I’m running a distributed environment, how can I add a secondary
> “Central-Server” to the picture? I’m not worried about the sensors or
> remote Nagios servers, just the central portion of the network. The
> problems that I see are as follows:
> 
> The remote servers send data via NSCA to the central server. Would
> they also have to send a second connection to the secondary server?

One way of doing it.

> NDO now sends data to my MySQL server, will the secondary server also
> need to send data? This opens a can of worms in terms of duplicate
> data, etc.

You'd need to replicate this as well.

> It seems that a secondary ”cold spare” might be the best solution.
> Then there are maintenance issues with keeping software up to data,
> etc.

No - look at linux HA (heartbeat) and drbd.

> So many problems, so little beer.

The linux HA/drdb setup is well understood and quite easy.

Greg

> Thanks in advance,
> 
> Mike
> 
> Using Tomcat but need to do more? Need to support web services, security?
> Get stuff done quickly with pre-integrated technology to make your job easier
> Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo
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Using Tomcat but need to do more? Need to support web services, security?
Get stuff done quickly with pre-integrated technology to make your job easier
Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo
http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642
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::: Messages without supporting info will risk being sent to /dev/null