[hobbit] NCV Graph not showing up

[Gary B.]

Try replacing "roomtemp" in hobbitserver.cfg with "Temperature".  I'm not
sure if that makes a difference or not, though.  Also, make sure the script
doesn't generate any other text besides "Temperature: <value>"...  I had a
script that output some non-value text before the actual text, which was
causing NCV to try to parse that into a number (and thus "NaN" - Not a
Number).


Hi all,
>
> I have just tried to set up a custom NCV graph to monitor the room
> temperature.
>
> An external script generates a status page with the following output
> (example):
>
> Temperature: 22.92
>
> I have added the following entries to my hobbitserver.cfg:
>
> TEST2RRD="....,roomtemp=ncv"
>
> NCV_roomtemp="Temperature:GAUGE"
>
> GRAPHS="...,roomtemp,ncv"
>
> My roomtemp.rrd File has been created and updates regularly.
> Output of rrdtool dump:
>
> <rrd>
>         <version> 0001 </version>
>         <step> 300 </step> <!-- Seconds -->
>         <lastupdate> 1145970097 </lastupdate> <!-- 2006-04-25 15:01:37
> METDST -->
>
>         <ds>
>                 <name> Temperature </name>
>                 <type> GAUGE </type>
>                 <minimal_heartbeat> 600 </minimal_heartbeat>
>                 <min> 0.0000000000e+00 </min>
>                 <max> NaN </max>
>
>                 <!-- PDP Status -->
>                 <last_ds> UNKN </last_ds>
>                 <value> 2.1708600000e+03 </value>
>                 <unknown_sec> 0 </unknown_sec>
>         </ds>
>
>
> After that, I have added the following to my hobbitgraph.cfg:
>
> [roomtemp]
>
>         TITLE Server Room Temperature
>
>         YAXIS degrees
>
>         DEF:temp=roomtemp.rrd:Temperature:AVERAGE
>
>         LINE2:temp#FF0000:Room Temperature
>
>         COMMENT:\n
>
>         GPRINT:threads:LAST: \: %5.1lf (cur)
>
>         GPRINT:threads:MAX: \: %5.1lf (max)
>
>         GPRINT:threads:MIN: \: %5.1lf (min)
>
>         GPRINT:threads:AVERAGE: \: %5.1lf (avg)\n
>
> There is no graph showing up on status page nor on the trends page. On
> the status page there is only a link "hobbit graph ncv:roomtemp" and on
> the trends page only a link "hobbit graph roomtemp".
>
> What am I doing wrong? Do I have to configure other things than these?
>
> Thank you in advacne for answering.
>
> Chris
>
>
>
>
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>
>
>
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