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    <div class="moz-cite-prefix"><tt>It seems that any frequency above
        10 minutes doesn't work.  From what I understand, this has to do
        with the step and heartbeat of the rrd.  It looks like by
        default the step is 300 seconds and the heartbeat is 600 seconds
        (10 minutes).  So, as long as it doesn't go above 10 minutes it
        will accept data, anything past 10 minutes will be tossed which
        would result in me not getting graphs.<br>
        <br>
        So, in reading the man pages, I figured out that I can override
        the 600 second default by appending it to my ENV tags in
        xymonserver.cfg<br>
        NCV_MyAlert="MyAlert:GAUGE:900"<br>
        <br>
        At first glance, this worked perfectly.  I deleted the rrd file,
        restarted xymon, did a rrd dump and the XML was now showing a
        heartbeat of 900 (15 minutes).  So, I set my script to run every
        15 minutes expecting a giant rainbow to arc over my screen, but,
        it still doesn't work.<br>
        <br>
        My XML looks like this:<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> 300 </step> <!-- Seconds --><br>
            <lastupdate> 1355940819 </lastupdate> <!--
        2012-12-19 13:13:39 EST --><br>
        <br>
            <ds><br>
                <name> Shortterm </name><br>
                <type> GAUGE </type><br>
                <minimal_heartbeat> 900 </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> 219 </unknown_sec><br>
            </ds><br>
        <br>
        My rrd info:<br>
        <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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                                href="mailto:Xymon@xymon.com"
                                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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