Hello Olivier, The error message is confusing and should actually read: rrdtool.OperationalError: rpn expressions without DEF or CDEF variables are not supported as it does in other cases. The meaning is clear: you must use a DEF or CDEF in your CDEF definition. Regards, hans
-- View this message in context: http://rrd-mailinglists.937164.n2.nabble.com/CDEF-0-in-rrdtool-graph-tp7583505p7583506.html Sent from the RRDtool Users Mailinglist mailing list archive at Nabble.com. _______________________________________________ rrd-users mailing list rrd-users@lists.oetiker.ch https://lists.oetiker.ch/cgi-bin/listinfo/rrd-users
