[rrd-users] Re: little quest

[Logg, Connie A.]

I am sorry...I confused you...the rrd "gauge" is ok, but I was trying to point out the
mib variables are counters which wrap...and yes..you do need to take the difference of the 
last and current readings. 

Connie

-----Original Message-----
From: Arias, Sebastian Alejandro - (Ext Arg)
[mailto:Sebastian.Arias at attla.com]
Sent: Wednesday, February 06, 2002 12:42 PM
To: Logg, Connie A.
Cc: 'rrd-users at list.ee.ethz.ch'
Subject: RE: [rrd-users] little quest


Im first use Counter , but does not work properly, because that variable,
not ever increment his size, this variable is the difference between the
actual value and the last value obtained in the last 5 minutes ..., and I
think that the counter is for variables that ever increment his size??  even
i see in MRTG the use of gauge ...  It is possible?

		Thanks A lot


I attach the graph was made the rrdtool, in this graph it talk abou 30 MB,
and the PVC of my router have the size of a T! (1.5 MB).

		

_________________________________________

Sebastian Arias

Infraestructure & Technologies

AT&T Latin America, Argentina

Phone: [5411]5288-0173 - Fax: [5411]5288-0408



-----Mensaje original-----
De: Logg, Connie A. [mailto:cal at SLAC.Stanford.EDU]
Enviado el: Miércoles, 06 de Febrero de 2002 05:30 p.m.
Para: Arias, Sebastian Alejandro - (Ext Arg)
Asunto: RE: [rrd-users] little quest


The packet counters are counters, not gauges.

Also, when I tried to match my data to the rrd output, I would not match it
either.
Upon inquiring, I was told that the rrdtools interpolates the values for the
binning.

If I am wrong, please someone corrct me.

Connie Logg - Network Analyst - 650-926-2879
Stanford Linear Accelerator Center
MS 97; 2575 SandHill Road; Menlo Park CA 94025
"Happiness is found along the way, not at the end of the road"

-----Original Message-----
From: Arias, Sebastian Alejandro - (Ext Arg)
[mailto:Sebastian.Arias at attla.com]
Sent: Wednesday, February 06, 2002 12:12 PM
To: 'rrd-users at list.ee.ethz.ch'
Subject: [rrd-users] little quest


Im using RRDTool with Cisco Accounting ... Im collecting data from the total
output packets in an interface and output packets between two host, I create
de rrd DATABASE, and i was make a graphic of this, but the unit that rrd
graph in the png file cant match with the real data, Im using gauge, is it
correct?
 
 
CREATING THE RRD DB
use RRDs;
my $start=time;
$out="./outpkts.rrd";
$select="./selectedpkts.rrd";
 

RRDs::create ($out, "--start",$start-1, "--step",300,
              "DS:op:GAUGE:600:U:U",
              "RRA:AVERAGE:0.5:1:300",
);
 
my $ERROR = RRDs::error;
die "$0: unable to create `$rrd': $ERROR\n" if $ERROR;
 

RRDs::create ($select, "--start",$start-1, "--step",300,
              "DS:sp:GAUGE:600:U:U",
              "RRA:AVERAGE:0.5:1:300",

MAKING THE GRAPH
 
rrdtool graph /var/www/html/traffic/traffic.png --title="IP Accounting" \
        DEF:Ovar=/Cisco/outpkts.rrd:op:AVERAGE \
        DEF:Svar=/Cisco/selectedpkts.rrd:sp:AVERAGE \
        AREA:Ovar#ff0000:"Output Packets" \
        LINE2:Svar#00ff00:"Selected Packets"
 
Thanks a lot
 

_________________________________________<?xml:namespace prefix = o ns =
"urn:schemas-microsoft-com:office:office" />

Sebastian Arias

Infraestructure & Technologies

AT&T Latin America, Argentina

Phone: [5411]5288-0173 - Fax: [5411]5288-0408

 
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