> DEF:rawmax=myfile.rrd:value:MAX > CDEF:vmax=rawmax,85.00,EQ,NaN,rawmax,IF
'NaN' is not a valid RPN symbol in RRDTool. You should use UNKN instead. Also watch out for typos like embedded spaces or doubled commas. CDEF:vmax=rawmax,85,EQ,UNKN,rawmax,IF This will convert 85 into unknown. However, with this value potentially being a non-integer, due to Data Normalisation, the test may never return true (as 85.00001 is not equal to 85). Maybe instead try... CDEF:vmax=rawmax,85,GE,rawmax,86,LT,AND,UNKN,rawmax,IF Though, I'm not sure what you're trying to achieve by only excluding value 85. Steve Steve Shipway T: +64 9 3737 599 ext 86487 E: s.ship...@auckland.ac.nz
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