<html>
  <head>
    <meta content="text/html; charset=utf-8" http-equiv="Content-Type">
  </head>
  <body text="#000000" bgcolor="#FFFFFF">
    <br>
    <br>
    <div class="moz-cite-prefix">12.07.2016 17:38, Pranith Kumar
      Karampuri пишет:<br>
    </div>
    <blockquote
cite="mid:CAOgeEnbFyZiUdwN-SEN+uyQBUxcKAK55TFVQMnmcxS7hF3pyMw@mail.gmail.com"
      type="cite">
      <div dir="ltr">Did you wait for heals to complete  before
        upgrading second node?<br>
      </div>
    </blockquote>
    <br>
    no...<br>
    <br>
    <blockquote
cite="mid:CAOgeEnbFyZiUdwN-SEN+uyQBUxcKAK55TFVQMnmcxS7hF3pyMw@mail.gmail.com"
      type="cite">
      <div class="gmail_extra"><br>
        <div class="gmail_quote">On Tue, Jul 12, 2016 at 3:08 PM, Dmitry
          Melekhov <span dir="ltr">&lt;<a moz-do-not-send="true"
              href="mailto:dm@belkam.com" target="_blank">dm@belkam.com</a>&gt;</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>12.07.2016 13:31, Pranith Kumar Karampuri пишет:<br>
              </div>
              <span class="">
                <blockquote type="cite">
                  <div dir="ltr"><br>
                    <div class="gmail_extra"><br>
                      <div class="gmail_quote">On Mon, Jul 11, 2016 at
                        2:26 PM, Dmitry Melekhov <span dir="ltr">&lt;<a
                            moz-do-not-send="true"
                            href="mailto:dm@belkam.com" target="_blank"><a class="moz-txt-link-abbreviated" href="mailto:dm@belkam.com">dm@belkam.com</a></a>&gt;</span>
                        wrote:<br>
                        <blockquote class="gmail_quote" style="margin:0
                          0 0 .8ex;border-left:1px #ccc
                          solid;padding-left:1ex">11.07.2016 12:47,
                          Gandalf Corvotempesta пишет:<span><br>
                            <blockquote class="gmail_quote"
                              style="margin:0 0 0 .8ex;border-left:1px
                              #ccc solid;padding-left:1ex"> 2016-07-11
                              9:54 GMT+02:00 Dmitry Melekhov &lt;<a
                                moz-do-not-send="true"
                                href="mailto:dm@belkam.com"
                                target="_blank"><a class="moz-txt-link-abbreviated" href="mailto:dm@belkam.com">dm@belkam.com</a></a>&gt;:<br>
                              <blockquote class="gmail_quote"
                                style="margin:0 0 0 .8ex;border-left:1px
                                #ccc solid;padding-left:1ex"> We just
                                got split-brain during update to 3.7.13
                                ;-)<br>
                              </blockquote>
                              This is an interesting point.<br>
                              Could you please tell me which replica
                              count did you set ?<br>
                            </blockquote>
                            <br>
                          </span> 3<span><br>
                            <blockquote class="gmail_quote"
                              style="margin:0 0 0 .8ex;border-left:1px
                              #ccc solid;padding-left:1ex"> <br>
                              With replica "3" split brain should not
                              occurs, right ?<br>
                            </blockquote>
                            <br>
                          </span> I guess we did something wrong :-)</blockquote>
                        <div><br>
                        </div>
                        <div>Or there is a bug we never found? Could you
                          please share details about what you did?<br>
                        </div>
                      </div>
                    </div>
                  </div>
                </blockquote>
                <br>
              </span> upgraded to 3.7.13 from 3.7.11 using yum, while at
              least one VM is running :-)<br>
              on all 3 servers, one by one:<br>
              <br>
              yum upgrade<br>
              systemctl stop glusterd <br>
              than killed glusterfsd processes using kill <br>
              and systemctl start glusterd<br>
              <br>
              then next server....<br>
              <br>
              after this we tried to restart VM, but it failed, because
              we forget to restart libvirtd, and it used old libraries,<br>
              I guess this is point where we got this problem.<span
                class=""><br>
                <br>
                <blockquote type="cite">
                  <div dir="ltr">
                    <div class="gmail_extra">
                      <div class="gmail_quote">
                        <div> </div>
                        <blockquote class="gmail_quote" style="margin:0
                          0 0 .8ex;border-left:1px #ccc
                          solid;padding-left:1ex">
                          <div>
                            <div><br>
                              <blockquote class="gmail_quote"
                                style="margin:0 0 0 .8ex;border-left:1px
                                #ccc solid;padding-left:1ex"> I'm
                                planning a new cluster and I would like
                                to be protected against<br>
                                split brains.<br>
                              </blockquote>
                              <br>
_______________________________________________<br>
                              Gluster-users mailing list<br>
                              <a moz-do-not-send="true"
                                href="mailto:Gluster-users@gluster.org"
                                target="_blank">Gluster-users@gluster.org</a><br>
                              <a moz-do-not-send="true"
                                href="http://www.gluster.org/mailman/listinfo/gluster-users"
                                rel="noreferrer" target="_blank">http://www.gluster.org/mailman/listinfo/gluster-users</a></div>
                          </div>
                        </blockquote>
                      </div>
                      <br>
                      <br clear="all">
                      <br>
                      -- <br>
                      <div data-smartmail="gmail_signature">
                        <div dir="ltr">Pranith<br>
                        </div>
                      </div>
                    </div>
                  </div>
                </blockquote>
                <br>
              </span></div>
          </blockquote>
        </div>
        <br>
        <br clear="all">
        <br>
        -- <br>
        <div class="gmail_signature" data-smartmail="gmail_signature">
          <div dir="ltr">Pranith<br>
          </div>
        </div>
      </div>
    </blockquote>
    <br>
  </body>
</html>