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    <div class="moz-cite-prefix"><tt>Thank you for your help, but it
        isn't working.  I've been playing around with everything I can
        think of, but I cannot get the graphs to display if I collect
        data in frequencies greater than 10 minutes.  I was briefly
        looking through the code and I found in do_rrd.c that the
        default interval for RRD is 300 seconds (5 minuets).  I cannot
        figure out a way to change this.  The closest I have come to
        getting this to work was to add a heartbeat value to the NCV_
        setting in xymonserver.cfg file to:
        NCV_mytest=dataset:GAUGE:1800.  Then I was able to dump the XML
        using rrdtools, manually update the STEP to 900, and reload the
        rrd.  When I do so, I get a strange behavior that makes me think
        the 300 value that is hardcoded overrides the changes I made. 
        When the first report comes in, the rrd file is created, the
        second report grabs the correct data, then the third report the
        last_ds value is populated with the previously correct data and
        the current value is set to "NaN" and that is the way it stays
        for all subsequent tests.<br>
        <br>
        Ultimately my RRD looks like:<br>
        <br>
        <?xml version="1.0" encoding="utf-8"?><br>
        <!DOCTYPE rrd SYSTEM
        <a class="moz-txt-link-rfc2396E" href="http://oss.oetiker.ch/rrdtool/rrdtool.dtd">"http://oss.oetiker.ch/rrdtool/rrdtool.dtd"</a>><br>
        <!-- Round Robin Database Dump --><rrd>   
        <version> 0003 </version><br>
            <step> 900 </step> <!-- Seconds --><br>
            <lastupdate> 1356032234 </lastupdate> <!--
        2012-12-20 14:37:14 EST --><br>
        <br>
            <ds><br>
                <name> Shortterm </name><br>
                <type> GAUGE </type><br>
                <minimal_heartbeat> 1800
        </minimal_heartbeat><br>
                <min> 6.0000000000e+02 </min><br>
                <max> NaN </max><br>
        <br>
                <!-- PDP Status --><br>
                <last_ds> 1.080055 </last_ds><br>
                <value> NaN </value><br>
                <unknown_sec> 434 </unknown_sec><br>
            </ds><br>
        <br>
            <ds><br>
                <name> Longterm </name><br>
                <type> GAUGE </type><br>
                <minimal_heartbeat> 1800
        </minimal_heartbeat><br>
                <min> 6.0000000000e+02 </min><br>
                <max> NaN </max><br>
        <br>
                <!-- PDP Status --><br>
                <last_ds> 1.080055 </last_ds><br>
                <value> NaN </value><br>
                <unknown_sec> 434 </unknown_sec><br>
            </ds><br>
        <br>
      </tt>
      <pre class="moz-signature" cols="72">Michael Beatty
Sherwin-Williams
IT Analyst/Developer
<a class="moz-txt-link-abbreviated" href="mailto:michael.beatty@sherwin.com">michael.beatty@sherwin.com</a>
216-515-7374
</pre>
      On 12/18/2012 06:11 PM, Larry Barber wrote:<br>
    </div>
    <blockquote
cite="mid:CAOnF4RBpTJ+44fz62wr=_kbJ_LKxycJ8gU_KugrBvjgjio_=Og@mail.gmail.com"
      type="cite">man rrdtool. Or you can just redo what you did with to
      create the custom graphs, but just change the time interval. 
      <div><br>
      </div>
      <div>Thanks,</div>
      <div>Larry Barber<br>
        <br>
        <div class="gmail_quote">On Tue, Dec 18, 2012 at 2:56 PM,
          Michael Beatty <span dir="ltr"><<a moz-do-not-send="true"
              href="mailto:Michael.Beatty@sherwin.com" target="_blank">Michael.Beatty@sherwin.com</a>></span>
          wrote:<br>
          <blockquote class="gmail_quote" style="margin:0 0 0
            .8ex;border-left:1px #ccc solid;padding-left:1ex">
            <div bgcolor="#FFFFFF" text="#000000">
              <div><tt>How do I do that?<span class="HOEnZb"><font
                      color="#888888"><br>
                      <br>
                      <br>
                    </font></span></tt><span class="HOEnZb"><font
                    color="#888888">
                    <pre cols="72">Michael Beatty
Sherwin-Williams
IT Analyst/Developer
<a moz-do-not-send="true" href="mailto:michael.beatty@sherwin.com" target="_blank">michael.beatty@sherwin.com</a>
<a moz-do-not-send="true" href="tel:216-515-7374" value="+12165157374" target="_blank">216-515-7374</a>
</pre>
                  </font></span>
                <div>
                  <div class="h5"> On 12/18/2012 02:13 PM, Larry Barber
                    wrote:<br>
                  </div>
                </div>
              </div>
              <div>
                <div class="h5">
                  <blockquote type="cite">When you change the frequency
                    of data collection you need to update your rrd
                    definitions. The rrd databases are fixed length
                    files, so you are leaving lots of blank entries
                    between data points. 
                    <div><br>
                    </div>
                    <div>Thanks,</div>
                    <div>Larry Barber<br>
                      <br>
                      <div class="gmail_quote">On Tue, Dec 18, 2012 at
                        11:42 AM, Michael Beatty <span dir="ltr"><<a
                            moz-do-not-send="true"
                            href="mailto:Michael.Beatty@sherwin.com"
                            target="_blank">Michael.Beatty@sherwin.com</a>></span>
                        wrote:<br>
                        <blockquote class="gmail_quote" style="margin:0
                          0 0 .8ex;border-left:1px #ccc
                          solid;padding-left:1ex">I had two custom RRD
                          graphs setup and running fine on client
                          systems.  The script that collects the data
                          was running every minute.  After I finished
                          testing, I changed the frequency of the
                          scripts on the clients to 1 hour in the
                          clientlaunch.cfg file. When I did, the RRD
                          graph stopped displaying data.  It ran like
                          this for a couple days.  I changed
                          clientlaunch.cfg back to 1 minute... and the
                          graphs immediately started graphing again.  Is
                          there a minimum time frame that is needed, or
                          something else that must be done?  What am I
                          missing?<span><font color="#888888"><br>
                              <br>
                              -- <br>
                              Michael Beatty<br>
                              <br>
_______________________________________________<br>
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                                target="_blank">Xymon@xymon.com</a><br>
                              <a moz-do-not-send="true"
                                href="http://lists.xymon.com/mailman/listinfo/xymon"
                                target="_blank">http://lists.xymon.com/mailman/listinfo/xymon</a><br>
                            </font></span></blockquote>
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