[rrd-users] Re: COUNTER32 and Summarization Graph

[Lars Rune Bjørnevik]

Hi,
I just got an ide based on how we've solved this problem preveiosly in MRTG:

In stead of summing based on the collectded data - use MRTG (or your own script) to collect an new dataset with the sum in one or several rrd's?

E.g: cfg def:
Target[xx]: 1:public at router + 2:public at router + 3:public at router + 4:public at router + ..... n:public at router

Thehn you at least whold have the possebilety of collecting say 10 routers into one rrd file, and the max values would increse to 2480....

Cheers,
Lars Rune

-----Original Message-----
From: Felici Simone [mailto:s.felici at alpikom.it] 
Sent: 22. september 2004 17:05
To: rrd-users at list.ee.ethz.ch
Subject: [rrd-users] COUNTER32 and Summarization Graph

Hello to all!

I need a little help.
I've a script collecting many-many values (COUNTER32) on Cisco devices and until here it's all ok!
Every line is stored into a single rrd file, because there are daily new lines configured and the script create new rrd files if needed.
If I try to generate a graph for a single file all works well. I need a Summarization Graph to display the total traffic of all lines.
I've also created a script with CDEF commands make a sum of all lines and create a single graph. All works well until today. The lines of one device are groved up a lot and I've received the following error:

"/bin/rrdtool: Argument list too long"

There are 248 lines, 248 values into one value (CDEF SUM). It's possible I've reached the maximum number of values to sum?

If it's true, can someone help me to find a way to SUM all lines into one?
The COUNTER32 values are "strange" to sum together before are stored into one single rrd file.
I could collect all values, but dont know how sum the values together and store all into a single rrd file instead of sum all these values with CDEF commands.

Any idea?

Thank's a lot to all!


Simone

Simone Felici        E-Mail: s.felici at alpikom.it
Divisione Tecnica    info: 800 969 800
Alpikom S.p.A.       URL: http://www.alpikom.it 


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