[mrtg] graphing Negative values

McDonald, Dan Dan.McDonald at austinenergy.com
Thu Mar 20 23:09:24 CET 2008

On Thu, 2008-03-20 at 16:00 -0600, Alvaro Cornejo wrote:
> Hi All
> Does it is possible to graph negative values ? I've a gauge value that
> can be negative, but I was unable to get it graphed. I do get ceros

You have to use rrdtool.
You have to run rrdtune after the .rrd's are created and set the ra's
minimum value to something reasonable.

See man rrdtune for more information

Daniel J McDonald, CCIE #2495, CISSP #78281, CNX
Austin Energy

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