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    Hi,<br>
    <br>
    It is actually even more than the DB schema. The BIN protocol (used
    by the clustering module) is different in 2.4 and 3.4, so the two
    nodes will not  "understand" one each other :(<br>
    <br>
    Regards,<br>
    <pre class="moz-signature" cols="72">Bogdan-Andrei Iancu

OpenSIPS Founder and Developer
  <a class="moz-txt-link-freetext" href="https://www.opensips-solutions.com">https://www.opensips-solutions.com</a>
  <a class="moz-txt-link-freetext" href="https://www.siphub.com">https://www.siphub.com</a></pre>
    <div class="moz-cite-prefix">On 31.08.2024 01:05, Adrian Georgescu
      wrote:<br>
    </div>
    <blockquote type="cite"
      cite="mid:08BF7F86-F7E9-470C-ABBB-3DEE283FBE03@ag-projects.com">
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      <div>Because of the database schema differences between the two
        versions, you will not be able to use the same database to run
        both.</div>
      <div>
        <div>
          <div><br>
          </div>
          <div>One migration strategy could be:</div>
          <div><br>
          </div>
          <div>1. Convert the configuration and migrate the database
            structure to the new version 3.4 on the current slave</div>
          <div>2. Test the slave SIP logic using a separate IP address
            or port with a SIP client that uses the slave server address
            as outbound SIP Proxy. When everything works continue to the
            next step.</div>
          <div>3. Switch over the cluster to the newly configured slave
            running the new OpenSIPS version</div>
          <div>4. Copy the configurations from the newly promoted slave
            to master to the old master machine</div>
          <div>5. Switch back to the old master</div>
          <div>
            <div>
              <div><br>
              </div>
              <div>Adrian</div>
              <div><br>
                <div>
                  <div><br>
                    <blockquote type="cite">
                      <div>On 30. Aug 2024, at 16:54, Pyle, Jeff
                        <a class="moz-txt-link-rfc2396E" href="mailto:JPyle@fusionconnect.com"><JPyle@fusionconnect.com></a> wrote:</div>
                      <br class="Apple-interchange-newline">
                      <div>
                        <meta charset="UTF-8">
                        <div class="elementToProof"
style="font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; font-family: Verdana, Geneva, sans-serif; font-size: 10pt;">Hello,</div>
                        <div class="elementToProof"
style="font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; font-family: Verdana, Geneva, sans-serif; font-size: 10pt;"><br>
                        </div>
                        <div class="elementToProof"
style="font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; font-family: Verdana, Geneva, sans-serif; font-size: 10pt;">I
                          have an OpenSIPS 2.4 cluster I need to upgrade
                          to 3.4. The cluster is configured as an HA
                          pair, with one active and one standby where
                          keepalived moves the IP between the two.</div>
                        <div class="elementToProof"
style="font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; font-family: Verdana, Geneva, sans-serif; font-size: 10pt;"><br>
                        </div>
                        <div class="elementToProof"
style="font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; font-family: Verdana, Geneva, sans-serif; font-size: 10pt;">Can
                          instances on 2.4 and 3.4 participate in the
                          same cluster? I'm hoping to update one "half"
                          at a time while maintaining call processing on
                          the side that isn't being upgraded.</div>
                        <div class="elementToProof"
style="font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; font-family: Verdana, Geneva, sans-serif; font-size: 10pt;"><br>
                        </div>
                        <div class="elementToProof"
style="font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; font-family: Verdana, Geneva, sans-serif; font-size: 10pt;"><br>
                        </div>
                        <div class="elementToProof"
style="font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; font-family: Verdana, Geneva, sans-serif; font-size: 10pt;">Regards,</div>
                        <div class="elementToProof"
style="font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; font-family: Verdana, Geneva, sans-serif; font-size: 10pt;">Jeff</div>
                        <div class="elementToProof"
style="font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; font-family: Verdana, Geneva, sans-serif; font-size: 10pt;"><br>
                        </div>
                        <span
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                          message is subject to Fusion Connect, Inc.’s
                          email communication policy:<span
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href="http://www.fusionconnect.com/email-policy"
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                          moz-do-not-send="true">www.fusionconnect.com/email-policy</a><span
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                        <span
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                          mailing list</span><br
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                        <a href="mailto:Users@lists.opensips.org"
style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;"
                          moz-do-not-send="true"
                          class="moz-txt-link-freetext">Users@lists.opensips.org</a><br
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                        <a
href="http://lists.opensips.org/cgi-bin/mailman/listinfo/users"
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                          moz-do-not-send="true"
                          class="moz-txt-link-freetext">http://lists.opensips.org/cgi-bin/mailman/listinfo/users</a></div>
                    </blockquote>
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      <br>
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      <pre class="moz-quote-pre" wrap="">_______________________________________________
Users mailing list
<a class="moz-txt-link-abbreviated" href="mailto:Users@lists.opensips.org">Users@lists.opensips.org</a>
<a class="moz-txt-link-freetext" href="http://lists.opensips.org/cgi-bin/mailman/listinfo/users">http://lists.opensips.org/cgi-bin/mailman/listinfo/users</a>
</pre>
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