[mrtg] Changing from gauge to no gauge

[Mick]

On Tuesday 10 March 2009, Daniel J McDonald wrote:
> On Tue, 2009-03-10 at 20:00 +0000, Mick wrote:
> > Hi All,
> >
> > After a lot of experimentation and change I have grown blind to this.  I
> > am capturing two values using a script.  They are:
> >
> > 5323
> > 33
> >
> > The top value is the Downstream FECs, the bottom value the Upstream FECs.
> >  Due to the nature of the connection (ADSL) the Downstream frequencies
> > experience many more errors and the top value increases at much faster
> > rates compared to the bottom value.  When I run it like this it works:
> > ===========================================
> > Options[modem-errors]: gauge, noinfo, nopercent, growright, nobanner
> > Target[modem-errors]: `/opt/bin/perl /opt/etc/mrtg2/test.1800HG-v00e3.pl`
> > MaxBytes[modem-errors]: 10000
> > ===========================================
> >
> > However, when I remove "gauge" from the options all I get is zeros,
> > despite the fact that the Downstream FECs continues to increase every few
> > minutes -
>
> if you are using rateup as the backend, then it rounds down to the
> integer rate per second, so if you don't have at least 300 FECs per 5
> minute interval, you will end up with zero.  Between 300 and 599 it
> would show 1, and so on....
>
> You can change that by using the perminute or perhour keyword (I forget
> the precise syntax) or switch to rrdtool.  rrdtool is not constrained by
> integer arithmetic, so a rate of .001 FEC/sec can be graphed.

Thanks again Dan!  :)
-- 
Regards,
Mick
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