[rrd-users] Negative value in RRD graph

Tobias Oetiker tobi at oetiker.ch
Tue Jan 12 15:40:01 CET 2010

Hi Hasan,

Today Md. Monjurul Hasan wrote:

> Hi,
> I m getting negative value in Y-axis when I am checking 'last year' graph
> which is really unwanted. Values should be from 0 to higher. How can I avoid
> the negative value? I have used '--lower-limit' option and set it to 0 but it
> did not work. Can anyone help? I have attached the graph here.

the output looks as if  it was made with a really old version of
rrdtool ... try using a curent one .... the negative data as well
as the top number  on the y axis look rather out of place ...
alternatively try loosing some of the scaling tuning you added ...

> Thanks in advance.

Tobi Oetiker, OETIKER+PARTNER AG, Aarweg 15 CH-4600 Olten, Switzerland
http://it.oetiker.ch tobi at oetiker.ch ++41 62 775 9902 / sb: -9900

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