Hello list,
I'm not new to rrdtool but I think I'm missing something basic here.
Within my network I'd like to keep track of the number of free ports on
a number of switches and, for my purpose, one value per day is enough.
So I created the rrd file as follows:
rrdtool create freeports.rrd --step 86400 DS:eth:GAUGE:172800:0:U
RRA:AVERAGE:0.5:1:30 RRA:AVERAGE:0.5:7:4 RRA:AVERAGE:0.5:30:6
to have up to a six-month history.
With this setup, when I issue an "rrdtool fetch" command, shouldn't I
see one row per day? I have the update script running since a week now,
but I still see one sigle row of output.
On the other hand, with rrdgraph I actually see more than one value
displayed, but I don't understand why the CLI command returns a single row.
Thanks in advance,
Simone
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