[rrd-users] adding DS values from multiple rrd files?

[Simon Hobson]

Joel Brooks wrote:

>right now, the graph (a stacked graph) shows a different band for 
>each server and the legend displays the text "<server name>  <X> 
>messages in the queue".
>
>but how can i add up all the values so i can print "total <X> 
>messages in the queue"?

If a, b, c, d, ... are the totals for each server, then :

total=a,b,+,c,+,d,+, ...

Then print total

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Simon Hobson

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