Show disk usage in Trends/Graphs

[Steve Shipway]

Max wrote:
> Palle Jensen wrote:
> > You say that you are reading from SNMP, are you still using check_nt
> plugin in Nagios, or are you using any different plugin?
...
> I think you're confused about my approach. The way I do graphing,
> doesn't involve Nagios at all. I just use SNMP and MRTG which does the
> talking, then I link URLs into Nagios. Nagios doesn't actually
process,
> create, or have anything to do with the graphs. The reason I mentioned
> my approach is being I think it's easy to setup and use. Everyone has
a
> different way, though.

We use a similar setup, with MRTG for graphing and Nagios for alerting.
MRTG can also retrieve data for graphing from the Nagios NSClient and
NRPE agents (using the mrtg-pnsclient and mrtg-nrpe plugins) as well as
via SNMP.  

You can set up Nagios to associate a URL with a host or service, which
can point at the MRTG graphs.  Similarly, if using MRTG with routers2 as
the frontend, there is a Nagios plugin to allow Nagios status to be
embedded in the MRTG frames.

There are also plugins for Weathermap to allow it to read from both
Nagios and MRTG (and Cacti, for which it was originally written).

I don't use Cacti here because MRTG is simpler to set up, and is a good
match for our requirements.

Steve

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