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I've been doing this... I'm not sure if it's "right" but it works well.<br>
<br>
If I am collecting a number, say LAG=7 (in seconds)...<br>
<br>
<small><tt> TFILE=${BBRRDS}/${HOST}/${TEST}.rrd<br>
if test ! -f ${TFILE}<br>
then<br>
rrdtool create ${TFILE} DS:trip:GAUGE:600:1:U
RRA:AVERAGE:0.5:1:576 RRA:AVERAGE:0.5:6:576 RRA:AVERAGE:0.5:24:576
RRA:AVERAGE:0.5:288:576<br>
fi<br>
rrdtool update ${TFILE} N:${LAG}</tt></small><br>
<br>
This one is a little more sophisticated... it looks at the RPM of 4
different fans...<br>
<br>
<small><tt> TFILE=${BBRRDS}/${HOST}/rpm.`printf "fan_%02d"
${2}`.rrd<br>
if test ! -f ${TFILE}<br>
then<br>
rrdtool create ${TFILE} DS:rpm:GAUGE:600:1:U
RRA:AVERAGE:0.5:1:576 RRA:AVERAGE:0.5:6:576 RRA:AVERAGE:0.5:24:576
RRA:AVERAGE:0.5:288:576<br>
fi<br>
rrdtool update ${TFILE} N:${3}</tt></small><br>
<br>
You will also have to update your hobbitgraph.cfg:<br>
<br>
Note the first one is mail.rrd and the actual variable is "trip", so
the graph config looks like:<br>
<br>
<small><tt>[mail]<br>
TITLE Mail Round-Trip Time<br>
YAXIS Seconds<br>
DEF:offset=mail.rrd:trip:AVERAGE<br>
LINE2:offset#00CC00:Seconds<br>
GPRINT:offset:LAST: \: %5.1lf (cur)<br>
GPRINT:offset:MAX: \: %5.1lf (max)<br>
GPRINT:offset:MIN: \: %5.1lf (min)<br>
GPRINT:offset:AVERAGE: \: %5.1lf (avg)\n</tt></small><br>
<br>
The second one looks at MULTIPLE entries for one host, so it looks like:<br>
<br>
<small><tt>[rpm]<br>
FNPATTERN rpm.(.+).rrd<br>
TITLE Revolutions per Minute<br>
YAXIS RPM<br>
DEF:p@RRDIDX@=@RRDFN@:rpm:AVERAGE<br>
LINE2:p@RRDIDX@#@COLOR@:@RRDPARAM@<br>
GPRINT:p@RRDIDX@:LAST: \: %5.1lf (cur)<br>
GPRINT:p@RRDIDX@:MAX: \: %5.1lf (max)<br>
GPRINT:p@RRDIDX@:MIN: \: %5.1lf (min)<br>
GPRINT:p@RRDIDX@:AVERAGE: \: %5.1lf (avg)\n</tt></small><br>
<br>
Modify hobbitserver.cfg and make sure you update the TEST2RRD and
GRAPHS items so that you'll see them.<br>
<br>
Note that if you're really collecting just one number and want to graph
it, using the "NCV" method described in the "Help > Custom Graphs"
tutorial is MUCH easier.<br>
<br>
Jon<br>
<br>
Roberts, James wrote:
<blockquote
cite="mid:C3D8BF33B5D08642AB3BFEEC249E8BBDF415EF@EXVSRVA1.it2000.hants.gov.uk"
type="cite">
<pre wrap=""> sorry to bother you but....
Is there an easy walk through on how to add custom strip output to RRD
graphs?
Thanks in advance
James....
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</pre>
</blockquote>
<br>
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