[rrd-users] Aggregation functions for combining whole data sets or averaging over many RRDs

[Alex van den Bogaerdt]

On Sun, Mar 23, 2008 at 06:17:03PM +0100, Carsten Aulbert wrote:

> Is there a good way to count the number of non-UNKNOWNs? I would do it 
> like this (6 values):
> 
> CDEF:num=watin001,UN,watin002,UN,watin003,UN,watin004,UN,watin005,UN,watin006,UN,+,+,+,+,+
> 
> but again, I might miss something.

I don't think there's a better way but maybe someone else is going
to surprise us both.

-- 
Alex van den Bogaerdt
http://www.vandenbogaerdt.nl/rrdtool/