[mrtg] MRTG with RRD and RRA:HWPREDICT

Steve Shipway s.shipway at auckland.ac.nz
Mon Mar 14 00:37:14 CET 2011

You would probably need to make your plugin do something like this -

1.       Test rrd format (rrdtool info)

2.       If rrd file has HWpredict RRAs defined goto 5

3.       Create HWpredict RRAs (rrdtool tune)

4.       Exit with unknown status

5.       Find current aberrant behaviour status (rrdtool fetch)

6.       Check if it is 1 or zero; if aberrant then exit status 2 showing value

7.       Else exit status 0 (possibly showing value?)


Steve Shipway
ITS Unix Services Design Lead
University of Auckland, New Zealand
Floor 1, 58 Symonds Street, Auckland
Phone: +64 (0)9 3737599 ext 86487
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Mobile: +64 (0)21 753 189
Email: s.shipway at auckland.ac.nz<mailto:s.shipway at auckland.ac.nz>
P Please consider the environment before printing this e-mail

From: mrtg-bounces+s.shipway=auckland.ac.nz at lists.oetiker.ch [mailto:mrtg-bounces+s.shipway=auckland.ac.nz at lists.oetiker.ch] On Behalf Of Leandro Souza
Sent: Monday, 14 March 2011 12:00 p.m.
To: mrtg at lists.oetiker.ch
Subject: [mrtg] MRTG with RRD and RRA:HWPREDICT


   I'm using MRTG with RRD. But I'm trying to do a plugin for Nagios to detect aberrant behaviour. So, what I want to know is, is it possible? I mean, how to create, or to change, a RRD base for use with MRTG and in same time add a RRA:HWPREDICT support?


-- Leandro Toledo de Souza
"Se eu tiver uma maçã e você também tiver uma maçã, e trocarmos de maçãs, cada um ficará com uma maçã. Se eu tiver uma ideia e você também tiver uma ideia, e trocarmos ideias, cada um ficará com duas ideias."
George Bernard Shaw

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