[rrd-users] Multible RRD files on one graph
m.eldesoky at tedata.net
Wed Nov 20 12:19:54 MET 2002
I want to graph the total of Bandwidth utilized by our routers.
We have rrd file for each router.
Hence I graph them ( I use cacti) using the CDEF: total all data source.
The problem is, not all routers were up at the same time.
We have new routers, that we want to be summed with old routers as well.
You all know what my problem is, the total will only be graphed for the period
the newest router is on !!, otherwise the data will be UNKNOWN.
I think I can use rrdtool resize rrdfilename rra_num GROW num_of_rows to make
that file the same size as the oldest, and make the unknown values there, to
be ( 0 )
Well, I want to know what governs the rra numbers ??
I want to know if my method is correct or not !!!
Any updates ??
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