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<div dir="ltr" align="left"><font color="#0000ff" size="2" face="Arial"><span class="204301116-20122010">I have found using SPLITNCV is the best way to go on custom graphing. With SPLITNCV you have a separate rrd for each DS so at least you don't loose all
your graphing just the one DS that may have changed. Even if you have one that changed at least you can still look at the old rrd and have history to look at. So in your case you have a new DS and like magic a new rrd is created. </span></font></div>
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<font size="2" face="Tahoma"><b>From:</b> SEGLARD, Thomas [mailto:tseglard@wat.tv]
<br>
<b>Sent:</b> Friday, December 17, 2010 9:47 AM<br>
<b>To:</b> xymon@xymon.com<br>
<b>Subject:</b> RE: [xymon] RE: graph a sum from different graphs<br>
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<p class="MsoNormal"><span style="COLOR: #1f497d">Hello to every people on the list,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="COLOR: #1f497d"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="COLOR: #1f497d">And thanks very much Bill ! I will try very soon and keep you in touch with this. In a more general way do you (the list) think that, in the future, it will be possible to easily add or remove DS definition
inside rrds ? Actually, i’s a pain to add new DS definition inside rrd without do a rm xxx.rrd and let Xymon to recreate it. If you have a clue…<o:p></o:p></span></p>
<p class="MsoNormal"><span style="COLOR: #1f497d">Sincerly,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="COLOR: #1f497d"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="COLOR: #1f497d">ThomaS<o:p></o:p></span></p>
<p class="MsoNormal"><span style="COLOR: #1f497d"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span style="FONT-FAMILY: 'Tahoma','sans-serif'; FONT-SIZE: 10pt">De :</span></b><span style="FONT-FAMILY: 'Tahoma','sans-serif'; FONT-SIZE: 10pt"> Bill Richardson [mailto:wrichardson@llbean.com]
<br>
<b>Envoyé :</b> mercredi 15 décembre 2010 16:22<br>
<b>À :</b> xymon@xymon.com<br>
<b>Objet :</b> [xymon] RE: graph a sum from different graphs<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span style="FONT-FAMILY: 'Arial','sans-serif'; COLOR: blue; FONT-SIZE: 10pt">Thomas,</span><span style="FONT-FAMILY: 'Times New Roman','serif'; FONT-SIZE: 12pt"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="FONT-FAMILY: 'Times New Roman','serif'; FONT-SIZE: 12pt"> <o:p></o:p></span></p>
<p class="MsoNormal"><span style="FONT-FAMILY: 'Arial','sans-serif'; COLOR: blue; FONT-SIZE: 10pt">Here is what I'm doing to sum data from multiply rrd's and display on one graph "all data combined and sum'd in one line". I have not done this with bandwidth
data but its the same basic thing. Its really easy to do. The trick is knowing that the graph will show up under the trends column and you must create a blank rrd file that matches your graph definition.</span><span style="FONT-FAMILY: 'Times New Roman','serif'; FONT-SIZE: 12pt"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="FONT-FAMILY: 'Times New Roman','serif'; FONT-SIZE: 12pt"> <o:p></o:p></span></p>
<p class="MsoNormal"><span style="FONT-FAMILY: 'Times New Roman','serif'; FONT-SIZE: 12pt"> <o:p></o:p></span></p>
<p class="MsoNormal"><span style="FONT-FAMILY: 'Arial','sans-serif'; COLOR: blue; FONT-SIZE: 10pt">First use the rrdtool command to find out what your DS values are. In my example I'm using lambda. In your bandwidth rrd you will have 2 ds's one for in bits and
one for out bits.</span><span style="FONT-FAMILY: 'Times New Roman','serif'; FONT-SIZE: 12pt"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="FONT-FAMILY: 'Times New Roman','serif'; FONT-SIZE: 12pt"> <o:p></o:p></span></p>
<p class="MsoNormal"><span style="FONT-FAMILY: 'Arial','sans-serif'; COLOR: blue; FONT-SIZE: 10pt">cd to your $xymon_home/data/rrd/host1</span><span style="FONT-FAMILY: 'Times New Roman','serif'; FONT-SIZE: 12pt"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="FONT-FAMILY: 'Arial','sans-serif'; COLOR: blue; FONT-SIZE: 10pt"> </span><span style="FONT-FAMILY: 'Times New Roman','serif'; FONT-SIZE: 12pt"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="FONT-FAMILY: 'Arial','sans-serif'; COLOR: blue; FONT-SIZE: 10pt">rrdtool dump your.rrd|more</span><span style="FONT-FAMILY: 'Times New Roman','serif'; FONT-SIZE: 12pt"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="FONT-FAMILY: 'Times New Roman','serif'; FONT-SIZE: 12pt"> <o:p></o:p></span></p>
<p class="MsoNormal"><span style="FONT-FAMILY: 'Arial','sans-serif'; COLOR: blue; FONT-SIZE: 10pt">My example:</span><span style="FONT-FAMILY: 'Times New Roman','serif'; FONT-SIZE: 12pt"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="FONT-FAMILY: 'Arial','sans-serif'; COLOR: blue; FONT-SIZE: 10pt">rrdtool dump msu,grp.rrd |more<o:p></o:p></span></p>
<p class="MsoNormal"><span style="FONT-FAMILY: 'Arial','sans-serif'; COLOR: blue; FONT-SIZE: 10pt"><!-- Round Robin Database Dump --><rrd> <version> 0003 </version><br>
<step> 300 </step> <!-- Seconds --><br>
<lastupdate> 1292424133 </lastupdate> <!-- 2010-12-15 09:42:13 EST --></span><span style="FONT-FAMILY: 'Times New Roman','serif'; FONT-SIZE: 12pt"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="FONT-FAMILY: 'Times New Roman','serif'; FONT-SIZE: 12pt"> <o:p></o:p></span></p>
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<p class="MsoNormal"><span style="FONT-FAMILY: 'Arial','sans-serif'; COLOR: blue; FONT-SIZE: 10pt"> <ds><br>
<name> lambda </name><br>
<type> GAUGE </type><br>
<minimal_heartbeat> 600 </minimal_heartbeat><br>
<min> NaN </min><br>
<max> NaN </max></span><span style="FONT-FAMILY: 'Times New Roman','serif'; FONT-SIZE: 12pt"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="FONT-FAMILY: 'Times New Roman','serif'; FONT-SIZE: 12pt"> <o:p></o:p></span></p>
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<p class="MsoNormal"><span style="FONT-FAMILY: 'Arial','sans-serif'; COLOR: blue; FONT-SIZE: 10pt"> <!-- PDP Status --><br>
<last_ds> 317 </last_ds><br>
<value> 4.2161000000e+04 </value><br>
<unknown_sec> 0 </unknown_sec><br>
</ds></span><span style="FONT-FAMILY: 'Times New Roman','serif'; FONT-SIZE: 12pt"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="FONT-FAMILY: 'Times New Roman','serif'; FONT-SIZE: 12pt"> <o:p></o:p></span></p>
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<p class="MsoNormal"><span style="FONT-FAMILY: 'Arial','sans-serif'; COLOR: blue; FONT-SIZE: 10pt">Based on the above data you are ready to build your graph definition in $xymon_home/server/etc/hobbitgraph.cfg. Since you will be looking at bandwidth in your
CDEF you may want to add some more math "8,*" to get the right numbers. You could even add another CDEF line like CDEF:avg_total2=avg_total,8,* just to keep it simple</span><span style="FONT-FAMILY: 'Times New Roman','serif'; FONT-SIZE: 12pt"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="FONT-FAMILY: 'Times New Roman','serif'; FONT-SIZE: 12pt"> <o:p></o:p></span></p>
<p class="MsoNormal"><span style="FONT-FAMILY: 'Times New Roman','serif'; FONT-SIZE: 12pt"> <o:p></o:p></span></p>
<p class="MsoNormal"><span style="FONT-FAMILY: 'Arial','sans-serif'; COLOR: blue; FONT-SIZE: 10pt">[combined]<br>
TITLE Combined Example</span><span style="FONT-FAMILY: 'Times New Roman','serif'; FONT-SIZE: 12pt"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="FONT-FAMILY: 'Arial','sans-serif'; COLOR: blue; FONT-SIZE: 10pt"> -h 140<br>
-w 592<br>
YAXIS <br>
DEF:cf1_avg_sum=/home/xymon/data/rrd/host1/msu,avg.rrd:lambda:AVERAGE<br>
DEF:cf2_avg_sum=/home/xymon/data/rrd/host2/msu,avg.rrd:lambda:AVERAGE<br>
DEF:cf3_avg_sum=/home/xymon/data/rrd/host2/msu,avg.rrd:lambda:AVERAGE<br>
CDEF:avg_total=cf1_avg_sum,cf2_avg_sum,+,cf3_avg_sum,+<br>
AREA:avg_total#aaaaaa:Combined Example<br>
COMMENT:\n<br>
GPRINT:avg_total:LAST:AVG \: %5.1lf%s (cur)<br>
GPRINT:avg_total:MAX: \: %5.1lf%s (max)<br>
GPRINT:avg_total:MIN: \: %5.1lf%s (min)<br>
GPRINT:avg_total:AVERAGE: \: %5.1lf%s (avg)</span><span style="FONT-FAMILY: 'Times New Roman','serif'; FONT-SIZE: 12pt"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="FONT-FAMILY: 'Times New Roman','serif'; FONT-SIZE: 12pt"> <o:p></o:p></span></p>
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<p class="MsoNormal"><span style="FONT-FAMILY: 'Arial','sans-serif'; COLOR: blue; FONT-SIZE: 10pt">Now edit $xymon_home/server/etc/hobbitserver.cfg look for "GRAPHS=" "this is the one to have it show up on the trends column" add your graph definition name to
the end of this line. in this example you would add ",combined""</span><span style="FONT-FAMILY: 'Times New Roman','serif'; FONT-SIZE: 12pt"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="FONT-FAMILY: 'Times New Roman','serif'; FONT-SIZE: 12pt"> <o:p></o:p></span></p>
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<p class="MsoNormal"><span style="FONT-FAMILY: 'Arial','sans-serif'; COLOR: blue; FONT-SIZE: 10pt">The last step the "Trick" is to create a blank "dummy" rrd file that matches your graph definition under what ever host/device you want this data to show up under.
So in this case if I wanted to see this graph under host1 I would do the following:</span><span style="FONT-FAMILY: 'Times New Roman','serif'; FONT-SIZE: 12pt"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="FONT-FAMILY: 'Times New Roman','serif'; FONT-SIZE: 12pt"> <o:p></o:p></span></p>
</div>
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<p class="MsoNormal"><span style="FONT-FAMILY: 'Arial','sans-serif'; COLOR: blue; FONT-SIZE: 10pt">cd $xymon_home/data/rrd/host1</span><span style="FONT-FAMILY: 'Times New Roman','serif'; FONT-SIZE: 12pt"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="FONT-FAMILY: 'Arial','sans-serif'; COLOR: blue; FONT-SIZE: 10pt">"Create a dummy rrd file"</span><span style="FONT-FAMILY: 'Times New Roman','serif'; FONT-SIZE: 12pt"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="FONT-FAMILY: 'Arial','sans-serif'; COLOR: blue; FONT-SIZE: 10pt">touch combined.rrd</span><span style="FONT-FAMILY: 'Times New Roman','serif'; FONT-SIZE: 12pt"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="FONT-FAMILY: 'Times New Roman','serif'; FONT-SIZE: 12pt"> <o:p></o:p></span></p>
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<p class="MsoNormal"><span style="FONT-FAMILY: 'Arial','sans-serif'; COLOR: blue; FONT-SIZE: 10pt">Now you should see a new "combined graph" under the trends column of host1.
</span><span style="FONT-FAMILY: 'Times New Roman','serif'; FONT-SIZE: 12pt"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="FONT-FAMILY: 'Times New Roman','serif'; FONT-SIZE: 12pt"> <o:p></o:p></span></p>
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<p class="MsoNormal"><span style="FONT-FAMILY: 'Arial','sans-serif'; COLOR: blue; FONT-SIZE: 10pt">Troubleshooting is simple...</span><span style="FONT-FAMILY: 'Times New Roman','serif'; FONT-SIZE: 12pt"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="FONT-FAMILY: 'Arial','sans-serif'; COLOR: blue; FONT-SIZE: 10pt">1.) When you look under the trends column and see a red X not graphing data then your graph definition is wrong go back and fix this in hobbitgraph,cfg</span><span style="FONT-FAMILY: 'Times New Roman','serif'; FONT-SIZE: 12pt"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="FONT-FAMILY: 'Arial','sans-serif'; COLOR: blue; FONT-SIZE: 10pt">2.) If you see no red X and no graph at all you didn't add the graph definition name to the hobbitserver.cfg or you didn't add the dummy rrd file to $zymon_home/data/rrd/$host.
Check spelling and case.<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="FONT-FAMILY: 'Arial','sans-serif'; COLOR: blue; FONT-SIZE: 10pt"><br>
<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="FONT-FAMILY: 'Times New Roman','serif'; FONT-SIZE: 12pt"> <o:p></o:p></span></p>
<p class="MsoNormal"><span style="FONT-FAMILY: 'Times New Roman','serif'; FONT-SIZE: 12pt"><o:p> </o:p></span></p>
<div style="TEXT-ALIGN: center" class="MsoNormal" align="center"><span style="FONT-FAMILY: 'Times New Roman','serif'; FONT-SIZE: 12pt" lang="EN-US">
<hr align="center" size="2" width="100%">
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<p style="MARGIN-BOTTOM: 12pt" class="MsoNormal"><b><span style="FONT-FAMILY: 'Tahoma','sans-serif'; FONT-SIZE: 10pt" lang="EN-US">From:</span></b><span style="FONT-FAMILY: 'Tahoma','sans-serif'; FONT-SIZE: 10pt" lang="EN-US"> SEGLARD, Thomas [mailto:tseglard@wat.tv]
<br>
<b>Sent:</b> Tuesday, December 14, 2010 8:58 AM<br>
<b>To:</b> xymon@xymon.com<br>
<b>Subject:</b> [xymon] graph a sum from different graphs</span><span style="FONT-FAMILY: 'Times New Roman','serif'; FONT-SIZE: 12pt" lang="EN-US"><o:p></o:p></span></p>
<p class="MsoNormal">Hello,<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">I’m sorry for asking you this question again but I really can’t figure how to graph a sum of values coming from other graphes. Basically I want to make a graph of the total bandwidth consumed by a pool of servers. For this I would like
to use the values coming from the ifstat graph of each server. What will be the best solution ?<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">As I said I asked this question before and got answer from two people but I was not able to have the proposed solution working. So if you have other ideas you’re very welcome !<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">I thank you very much for your answers.<o:p></o:p></p>
<p class="MsoNormal">Sincerly,<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">ThomaS<o:p></o:p></p>
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