[mrtg] Re: Spikes in MRTG graphs and logs... FOUND the PROBLE

[Perticati Luca - Matrix]

I've already set the minimum value to 0 in RRDTool, but it doesn't work.
This is because the value stored is not -1 but a very large number (probably
the difference between -1 and the last value divided by the elapsed time). I
could try to set the maximum value instead.

Bye,
Luca.

-----Original Message-----
From: Alex van den Bogaerdt [mailto:alex at slot.hollandcasino.nl]
Sent: venerdì 29 giugno 2001 10:42
To: SBishop at e-xpedient.com
Cc: mrtg at list.ee.ethz.ch
Subject: [mrtg] Re: Spikes in MRTG graphs and logs... FOUND the PROBLE



Schuyler Bishop wrote:
>                                    (I'm using RRD...)

> So, why the heck is it reporting a negative number???  I would think that
if
> the poll is unsuccessful (for whatever reason - timeout?) then it would
> report a zero for the absolute value!

This I don't know.  However, if you're using RRDtool just use the
"rrdtool tune" command and set the minimum allowed value to 0.
If a negative number is reported, it will be discarded by RRDtool.

cheers,
-- 
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