[mrtg] Re: No graphing

Alex van den Bogaerdt alex at slot.hollandcasino.nl
Fri Mar 9 18:52:12 MET 2001

Mariano Drzazga wrote:

> I have a problem. I'm using MRTG to get some values from a text file witch
> contains some values expressed as a counter type. So the values are
> increased each 5 minutes. At this point I don't have any trouble.
> The problem is that every night al 0:00 AM, the counters reset themselves to
> the value 0 and start again. From this moment, the graphics go down to 0.

If the counters reset to zero, a counter wrap is detected by MRTG.
When the counter wraps, the value received is considered to be invalid.

As the rate in an interval is defined by both its startout value and
the end value, you should get two unknowns.

> In the mrtg config file, I didn't put the option 'gauge' or 'absolute'
> because I need to get the difference between the last value and the actual
> value and divide this by 5 minutes.

That is correct.  Did you specify UnAsZero ?

 / alex at slot.hollandcasino.nl                  alex at ergens.op.het.net \
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