[rrd-users] problems summing many sources together

[Georges Toth]

Hi all,

I need to sum 21 sources.
What's the best way to do that ?

I tried it like this:
CDEF:intot=in1,in2,in3,+,in4,+,in5,+,in6,+,in7,+,in8,+,in9,+,in10,+,in11,
+,in12,+,in13,+,in14,+,in15,+,in16,+,in17,+,in18,+,in19,+,in20,+,in21,+ 

Which "looks" fine if all the soruces contain data.
But if some sources don't contain data, I just get NAN.

I also tried this:
CDEF:intot=in1,in2,in3,in4,in5,in6,in7,in8,in9,in10,in11,in12,in13,in14,in15,in16,in17,in18,in19,in20,in21,
+,+,+,+,+,+,+,+,+,+,+,+,+,+,+,+,+,+,+,+

Which doesn't work neither.
I'm not sure if that is the correct way to do it....

Could somebody please help me ? :-)


-- 

regards,
Georges Toth

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