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    <div class="moz-cite-prefix">Tested several times recently: upgrade
      3.12.15 to 7.7 without problems.<br>
      <br>
      Upgrade servers and clients first to 3.12.15 ( old version, take a
      look to repo site).<br>
      <br>
      If volumes are replicated you could do it on-line, one by one,
      looking carefully with self-heal process.<br>
      <br>
      For disperse volumes you must stop them before upgrades.<br>
      <br>
      Hope it helps!<br>
      <br>
      Ramon <br>
      <br>
      <br>
      El 26/08/20 a les 12:04, Sanju Rakonde ha escrit:<br>
    </div>
    <blockquote type="cite"
cite="mid:CABj3WN16Z6ZnuGaPJ7D-WBLrvwBnzomKEj_jwUNGfW8AwZ4o+g@mail.gmail.com">
      <div dir="ltr">Hi,
        <div><br>
        </div>
        <div>I believe you can do an offline upgrade (I have never tried
          upgrading from 3.7 to 7.7, so there might be issues). </div>
        <div><br>
        </div>
        <div>If you want to do a fresh install, after installing the 7.7
          packages, you can use the same old bricks to create the
          volumes. but you need to add force at the end of volume create
          command.</div>
      </div>
      <br>
      <div class="gmail_quote">
        <div dir="ltr" class="gmail_attr">On Wed, Aug 26, 2020 at 5:27
          AM liu zhijing &lt;<a href="mailto:jordielau@outlook.com"
            moz-do-not-send="true">jordielau@outlook.com</a>&gt; wrote:<br>
        </div>
        <blockquote class="gmail_quote" style="margin:0px 0px 0px
          0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
          <div>
            <div
style="font-family:Calibri,Arial,Helvetica,sans-serif;font-size:12pt;color:rgb(0,0,0)">hi
              everyone!</div>
            <div
style="font-family:Calibri,Arial,Helvetica,sans-serif;font-size:12pt;color:rgb(0,0,0)">I
              found It is hard to upgrade  from a gluster version from
              3.7.6 to 7.7,so I remove all the install package and
              delete all config file except the brick, and I resinstall
              the glusterfs 7.7, then reconfig the same volume name but
              use a temp brick.after everything is ok ,then i stop the
              volume and replace the old brick , change the brick volume
              id as the new volume id , at last  start the volume
              successfully.</div>
            <div
style="font-family:Calibri,Arial,Helvetica,sans-serif;font-size:12pt;color:rgb(0,0,0)">What
              I want to know is  if this is the right way to upgrade .<br>
            </div>
            <div
style="font-family:Calibri,Arial,Helvetica,sans-serif;font-size:12pt;color:rgb(0,0,0)"><br>
            </div>
            <div
style="font-family:Calibri,Arial,Helvetica,sans-serif;font-size:12pt;color:rgb(0,0,0)"><br>
            </div>
          </div>
          ________<br>
          <br>
          <br>
          <br>
          Community Meeting Calendar:<br>
          <br>
          Schedule -<br>
          Every 2nd and 4th Tuesday at 14:30 IST / 09:00 UTC<br>
          Bridge: <a href="https://bluejeans.com/441850968"
            rel="noreferrer" target="_blank" moz-do-not-send="true">https://bluejeans.com/441850968</a><br>
          <br>
          Gluster-users mailing list<br>
          <a href="mailto:Gluster-users@gluster.org" target="_blank"
            moz-do-not-send="true">Gluster-users@gluster.org</a><br>
          <a
            href="https://lists.gluster.org/mailman/listinfo/gluster-users"
            rel="noreferrer" target="_blank" moz-do-not-send="true">https://lists.gluster.org/mailman/listinfo/gluster-users</a><br>
        </blockquote>
      </div>
      <br clear="all">
      <div><br>
      </div>
      -- <br>
      <div dir="ltr" class="gmail_signature">
        <div dir="ltr">
          <div>Thanks,<br>
          </div>
          Sanju<br>
        </div>
      </div>
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      <pre wrap="">________



Community Meeting Calendar:

Schedule -
Every 2nd and 4th Tuesday at 14:30 IST / 09:00 UTC
Bridge: <a class="moz-txt-link-freetext" href="https://bluejeans.com/441850968">https://bluejeans.com/441850968</a>

Gluster-users mailing list
<a class="moz-txt-link-abbreviated" href="mailto:Gluster-users@gluster.org">Gluster-users@gluster.org</a>
<a class="moz-txt-link-freetext" href="https://lists.gluster.org/mailman/listinfo/gluster-users">https://lists.gluster.org/mailman/listinfo/gluster-users</a>
</pre>
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