[mrtg] Re: Please, I really need help with this

[robert.harrowfield at axon.co.nz]

Paul,

I agree, re:the developer list, but was unsure about posting to it since Im
not an MRTG developer.

I can modify the threshold scripts (or Tivoli) to wait for a number of
iterations before sending an alert or I could modify Netsaint to do alert
thresholding on the MRTG log files.

However, that brings its own issues in, such as time delay before
notifications etc. We are trying to use these triggers to alert engineers of
critical issues on servers. But we need to do this without waking them up
every 1/2 hour with false alerts. If they get too many, then they ignore the
alerting. But, that 15 minute delay can easily be the difference between
fixing an issue and having the server crash. 

It would be kinda nice to get MRTG fixed so that it:
a) behaves how it used to
b) behaves how the documentation says it should behave.

Cheers
Rob.

> -----Original Message-----
> From: PAUL WILLIAMSON [mailto:pwilliamson at mandtbank.com]
> Sent: 26 March 2002 10:18PM
> To: Harrowfield, Robert - Axon AKL; mrtg at list.ee.ethz.ch
> Subject: [mrtg] Re: Please, I really need help with this
> 
> 
> 
> It really sounds like a question for the developers 
> list.  It makes sense that the -1 gets converted to 
> a +1 since MRTG does not deal with negative numbers 
> at all.  Have you tried delaying the threshold script 
> from kicking off until you've have something like 2 or 
> 3 consecutive polls of no response?  I have no idea 
> if the threshold stuff can handle it.  I wrote a 
> script for my box that scrubs the inbox to determine 
> how many missed polls on a certain device I have.  
> Then I send my real e-mail address a note saying that 
> the device is having a problem.  Would that be a 
> solution?
> 
> You could also use an external system that interfaces 
> to MRTG (not ideal) to watch the MRTG stuff rather 
> than relying on the built-in threshold stuff.  
> Something like ganglia, gossips, Big Brother, or Mon.
> 
> Paul

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