Nagios stopped checking most of my services!

[Breandan Dezendorf]

On Nov 2, 2009, at 10:03 PM, Casey Allen Shobe wrote:
>
> You /could/ do what I did, and force service checking on all your
> hosts by echoing a line for each host into nagios.cmd.  See here:
> http://old.nagios.org/developerinfo/externalcommands/commandinfo.php?command_id=130

The other important thing to setup now, while you are thinking about  
it, is a sanity check for the Nagios service check frequency.  This is  
much more important in distributed environments, but can be helpful at  
times like these.

We're pulling a little over 600 checks per minute total from two  
distributed nodes, and I have a simple (hackish) perl script that  
scans through the log file looking for 'EXTERNAL COMMAND' in the last  
1, 5 and 15 minutes.  It outputs perfdata, so pnp4nagios picks it up,  
and I have the warning and critical thresholds set ptetty low.  That  
script is setup as a check command against the front end nodes.  I  
even have pretty graphs now that tell me how many checks I'm doing on  
average, and how often someone bumps the queue repeatedly force- 
rechecking a host.

--
Breandan Dezendorf
breandan at dezendorf.com
bwdezend at gmail.com

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