[rrd-users] Temperature Monitoring

Steve Shipway s.shipway at auckland.ac.nz
Thu Feb 16 09:35:49 CET 2012

I would advise you to store a and b separately.

You can always use a CDEF in your rrdtool function to generate a new value c=a-b and then average or max this, if you so choose.


Steve Shipway
University of Auckland ITS
UNIX Systems Design Lead
s.shipway at auckland.ac.nz
Ph: +64 9 373 7599 ext 86487

More information about the rrd-users mailing list