[smokeping-users] Re: Some graphs stay empty

Nipper, Arnold arnold at nipper.de
Fri Sep 5 08:21:04 MEST 2003

On Friday, September 05, 2003 8:02 AM, Ralf Hildebrandt
<Ralf.Hildebrandt at charite.de> wrote:
> * Dan McGinn-Combs <Dan.McGinn-Combs at Geac.com>:
>> From a troubleshooting point of view you need to know whether your
>> problem is the measurement tool (fping or echoping) causing the
>> problem or the rrdtool update and graph.
> Very good observation. I diffed the *.rrd for the graphs that stay
> empty. They're identical. From this I conclude, that data is never
> filled into the rrd's after they were created.


you may easily check with "rrdtool fetch ..." whether any data made it into
your rrd.

        rrdtool fetch filename.rrd CF
                [--resolution|-r resolution]
                [--start|-s start] [--end|-e end]


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