[mrtg] Re: 911-MRTG Problem of OIDs of TIGRIS...

Alex van den Bogaerdt alex at slot.hollandcasino.nl
Thu Jul 12 10:59:59 MEST 2001


> 	As stated before, the problem occurs only when graphing the
> number of subscribers, not in CPU monitoring or bandwidth monitoring. I

Yes, however you're talking about *bandwidth* too ?!?  It was confusing.

Anyway ...

> created a new configuration file for monitoring number of subscribers.
> 	I want to graph the number of subscribers dial in during
> 5-minutes periods. In one of the 5-minute period, for example 7
> subscribers diled in and in the following 5-minute period say 2 subs.
> dialed in. Aim, is to graph these data, namely 7 and 2 by MRTG.

This should indeed be possible by multiplying the rate by 300.  Maybe
it fails because of rounding or so.  By the way, the 300 should equal
sampling interval if I'm not mistaking.  For normal monitoring 300 is
all right.  Keep in mind that it is a workaround.

> 	I do not use "gauge" option since the value of the counter can
> be, say 345 in the first sampling time, and in the second sampling
> time(i.e. 5 minutes later) 352. And in the last sampling time, value of
> this counter will be 354. Thus, I do not want to graph 345-352-354 data.

Ack.  Now this is clear and yes, it should be a counter in that case.

Try finding out what *exactly* goes wrong.  Keep a close look at the
first few lines of the logfile and note the values + timestamps.  
Calculate the differences by hand and compare.

Maybe this will make you realise what goes wrong.

Also, check your options, maxbytes etcetera.

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