[rrd-users] Can CDEF fix a derive counter direction (up instead of down)?

Marc MERLIN marc_rrd at merlins.org
Tue Jul 20 02:05:28 CEST 2010

I screwed up an miswired my power monitor for my microwave.

As a result, my DERIVE 64bit kwh counter has been going down for a while.


I have:

If this were a gauge, I could easily use a CDEF to flip the sign, but here I
would like to make a negative delta be a positive delta in the places where
it happened so that my graph spikes point up and not down Is that possible
at all?

"A mouse is a device used to point at the xterm you want to type in" - A.S.R.
Microsoft is to operating systems & security ....
                                      .... what McDonalds is to gourmet cooking
Home page: http://marc.merlins.org/  

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