[rrd-users] Re: Inaccurate graphs

[michael t. anderson]

On closer inspection, this did not fix the problem, it just looked like it
because it moved my maximum graphed value away from the top of the graph. It
still is graphing the 215GB value in the wrong location (around 225G). 215G
should be just above the 210G mark. I have attached a graph that I
configured to have a Y size of 1000 to show more detail.
Is there something about large values that RRD can't graph properly? 


-----Original Message-----
From: rrd-users-bounce at list.ee.ethz.ch
[mailto:rrd-users-bounce at list.ee.ethz.ch] On Behalf Of michael t. anderson
Sent: Tuesday, March 23, 2004 9:37 PM
To: rrd-users at list.ee.ethz.ch
Subject: [rrd-users] Re: Inaccurate graphs

I figured out that I could fix it by removing my Unscaled[] option from the
target. That resulted in the same graph, except that the plots were in the
correct locations. I think this is a bug, most likely in 14all. 

Is this a known issue? If not, should I submit it to someone?  

-----Original Message-----
From: rrd-users-bounce at list.ee.ethz.ch
[mailto:rrd-users-bounce at list.ee.ethz.ch] On Behalf Of michael t. anderson
Sent: Tuesday, March 23, 2004 8:47 PM
To: rrd-users at list.ee.ethz.ch
Subject: [rrd-users] Inaccurate graphs

I'm using MRTG to get data from some servers on their disk space usage and
put the data into rrdtool, then using 14all to graph the data. I am using
rrdtool 1.0.46 and mrtg 2.9.12a. 
I am getting inaccurate graphs that show 240G as the maximum Y value. The
maxbytes value I have in the config file is 214933090304 (215G) (kilo=1000).
The legend in the graph shows the correct maximum value of 215 GB, but in
the graph 215GB is graphed at the 240GB location. 

Is this a bug or am I doing something wrong? I have attached the graph in
question, hopefully you can see it. 

Thanks for any help.


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