Design question

[Sean McAfee]

Michael Weiner wrote:
> Just a general question to the nagios user audience out there. I have
> a situation that dictates I run two nagios instances due to the manner
> in which our systems are provided power. We have no true data center,
> and as such the servers being monitored by nagios are somewhat
> distributed throughout the campus. My design question comes from a
> recent major power outage that not only affected a slew of servers
> that nagios was monitoring, but nagios itself. So my thought was to
> provide a secondary, backup, nagios server somewhere off the power
> grid – but the issue is that I don't want duplicate notifications. I
> would like it setup such that the second device only monitors, and
> will only send out alerts/notifications if and only if the primary
> nagios server is down. Has anyone designed a setup similar to this? Is
> this thinking not logical? Is there a better mouse trap? Is there any
> design documentation?
>
> Thanks in advance for your input!
> Michael Weiner
>   

Check out the documentation on Redundant and Failover Network Monitoring 
(http://nagios.sourceforge.net/docs/3_0/redundancy.html).

Both examples will do what you want, but the underlying behavior is 
drastically different between the two so make sure you read carefully.

Sean McAfee
System Engineer

Collaborative Fusion, Inc.
 smcafee at collaborativefusion.com
 412-422-3463 x 4025

5849 Forbes Avenue
Pittsburgh, PA 15217

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