Hello Alex, Thanks to respond.
I have looked for your articles
http://groups.google.com/groups?q=alex+rrdtool+derive+negative&hl=es&lr=&ie=
UTF-8&selm=b8706d%242ccg%241%40FreeBSD.csie.NCTU.edu.tw&rnum=1
http://groups.google.com/groups?q=alex+rrdtool+derive+negative&hl=es&lr=&ie=
UTF-8&selm=9lmq9j%24243g%241%40FreeBSD.csie.NCTU.edu.tw&rnum=2
and I have read your documentation
http://www.rrdtool.com/tutorial/rrdtutorial.html
but still I do not know like solving my problem.
I am using MRTG with RRDTOOL, I specify it in the mrtg configuration
file.
LogFormat: rrdtool
PathAdd: /app/mrtg/rrdtool/bin
LibAdd: /app/mrtg/rrdtool/lib/perl
I am using RDDCGI
<RRD::GRAPH
/app/iplanet/servers/docs/estadisticas/mrtg/demoing/24horas.gif
--start -86400 --vertical-label "Bytes por segundo"
--imginfo '<IMG SRC=/mrtg/demoing/%s WIDTH=%lu
HEIGHT=%lu >'
DEF:entrada=demoing.rrd:ds0:AVERAGE
......
I do not know where and how I can use DERIVE and I wouldn't
like to create a new data base .rrd because it would lose all data of months
somebody can help me
Greetings and thank you very much.
> -----Mensaje original-----
> De: Alex van den Bogaerdt [SMTP:[EMAIL PROTECTED]
> Enviado el: martes 27 de mayo de 2003 00:33
> Para: '[email protected]'
> Asunto: [rrd-users] Re: traffic peak
>
> On Mon, May 26, 2003 at 07:39:55PM +0200, Diaz Freire, Alberto wrote:
>
> > hi,
> > I have the following problem,
> > When a shutdown in the router takes place, mrtg and rrdtool takes
> > very high values and it distorts the graphs because a traffic peak is
> show.
>
> Actually this peak occurs when the router starts up again.
> Its counters will be reset, rrdtool finds that the value is
> smaller than last time and will assume a counter wrap has
> occured.
>
> > How i can avoid this behavior ?
>
> Search the archives for words like DERIVE, negative, peak.
> I know I posted something not so long ago, adding my name
> to the query might help.
>
> cheers,
> Alex
>
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