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    Martin,<br>
    <br>
    You can leverage this utility to merge the RRDfiles.  Although this
    has not been tested on 'all' combinations, it should cover the
    standard traffic type graphs.<br>
    <br>
<a class="moz-txt-link-freetext" href="http://svn.cacti.net/viewvc/developers/thewitness/rrdsplice/rrdsplice.php?view=log">http://svn.cacti.net/viewvc/developers/thewitness/rrdsplice/rrdsplice.php?view=log</a><br>
    <br>
    Regards,<br>
    <br>
    Larry Adams<br>
    aka TheWitness<br>
    <br>
    <br>
    <br>
    -------- Original Message --------
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          <th align="RIGHT" nowrap="nowrap" valign="BASELINE">Subject: </th>
          <td>Fwd: [rrd-users] merge/combine RRD database files</td>
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          <th align="RIGHT" nowrap="nowrap" valign="BASELINE">Date: </th>
          <td>Fri, 9 Dec 2011 21:22:44 +0000 (UTC)</td>
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          <th align="RIGHT" nowrap="nowrap" valign="BASELINE">From: </th>
          <td><a class="moz-txt-link-abbreviated" href="mailto:larryjadams@comcast.net">larryjadams@comcast.net</a></td>
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          <th align="RIGHT" nowrap="nowrap" valign="BASELINE">To: </th>
          <td><a class="moz-txt-link-abbreviated" href="mailto:thewitness@cacti.net">thewitness@cacti.net</a></td>
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      <br>
      <div><span name="x"></span>Regards,<br>
        <br>
        Larry Adams<br>
        aka TheWitness<br>
        <a class="moz-txt-link-freetext" href="http://www.cacti.net">http://www.cacti.net</a><span name="x"></span><br>
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      <br>
      <hr id="zwchr"><b>From: </b>"Martin T" <a class="moz-txt-link-rfc2396E" href="mailto:m4rtntns@gmail.com">&lt;m4rtntns@gmail.com&gt;</a><br>
      <b>To: </b><a class="moz-txt-link-abbreviated" href="mailto:rrd-users@lists.oetiker.ch">rrd-users@lists.oetiker.ch</a><br>
      <b>Sent: </b>Thursday, December 8, 2011 7:13:03 PM<br>
      <b>Subject: </b>[rrd-users] merge/combine RRD database files<br>
      <br>
      I have two RRD database files: old.rrd and new.rrd. According to<br>
      "rrdtool info old.rrd" it's a rrd_version = "0001" file and
      new.rrd is<br>
      a rrd_version = "0003" file. Data source type is COUNTER. Both<br>
      databases are used to store router interface counter values.<br>
      Is it possible to merge those two files into one? Or at least
      generate<br>
      graphs based on information from both files?<br>
      <br>
      <br>
      regards,<br>
      martin<br>
      <br>
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