[hobbit] No graph from RRD data

Henrik Stoerner henrik at hswn.dk
Wed Nov 22 12:57:42 CET 2006


On Wed, Nov 22, 2006 at 09:40:36AM +0100, J.Rutten at rad.umcn.nl wrote:
> NCV_usage="usage:GAUGE"
>         <ds>
>                 <name> usage </name>
>                 <type> DERIVE </type>

These don't match. I guess your Hobbit created the rrd file using the
default DERIVE datatype, before you remembered to put in the NCV_usage
setting. That's why your graph stays at 0 - DERIVE tracks changes,
whereas GAUGE tracks absolute values.

Make sure that hobbitd_rrd has been restarted after you changed the
NCV_usage setting. Then delete the rrd file; the next time Hobbit
creates it it should have the correct dataset type, and your graph
should start showing the values you expect.


Henrik




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