[rrd-users] Graph is flatline ?

[mark.simon]

I installed rrdtool 1.0.8 on an Alpha running Digital UNIX 4.0D.
I can create RRDs Ok, and fetch shows good data points. When I
generate graphs they are always flat lines?  Here is a fetch
and a graph sample.
root at ncdev0> rrdtool fetch ncdev0.la.rrd AVERAGE --start 949605900 --end
949609200
                       la

 949605900:        500.63
 949606200:        511.80
 949606500:        485.35
 949606800:        495.01
 949607100:        495.01
 949607400:        501.82
 949607700:        422.08
 949608000:        458.25
 949608300:        458.25
 949608600:        610.52
 949608900:        549.00
 949609200:        516.19

root at ncdev0> rrdtool graph test.gif --start 949605900 --end 949609200 \
> DEF:myline=ncdev0.la.rrd:la:AVERAGE LINE2:myline#FF0000
Min: 506.68 Max: 516.92 MagFactor:  -2.03
495x155

This generates a graph with no line.  If I add an upper and lower limit I
get
a flat line at aprox. 511.  Where is the MagFactor coming from? Why are my
graphs flat?

Thanks for any suggestions.

Mark Simon MCI WorldCom Richardson, TX

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