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    Hi Gianluca,<br>
    <br>
    no quite plain. We are connecting to a openldap server.<br>
    <br>
    Best regards<br>
    Christoph<br>
    <br>
    <div class="moz-cite-prefix">Am 21.12.2016 um 19:25 schrieb Gianluca
      Cecchi:<br>
    </div>
    <blockquote
cite="mid:CAG2kNCwD3zJxwzo0GqmQSP7RZazCVWnGFG77DY1VymtsN8kLKA@mail.gmail.com"
      type="cite">
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          <div class="gmail_extra"><br>
            <div class="gmail_quote">Il 21/Dic/2016 19:17, &lt;<a
                moz-do-not-send="true" href="mailto:ovirt@timmi.org">ovirt@timmi.org</a>&gt;
              ha scritto:<br type="attribution">
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                <div bgcolor="#FFFFFF" text="#000000"> Hi Gianluca,<br>
                  <br>
                  currently we have:<br>
                  <br>
                  2 hosts (one is running also the oVirt Engine)<br>
                  1 DC<br>
                  We are only using NFS storage.<br>
                  <br>
                  No reports are used. But we have it integrated into
                  our LDAP.<br>
                  <br>
                  Best regards<br>
                  Christoph
                  <div class="elided-text"><br>
                    <br>
                    <div class="m_1001466537992973709moz-cite-prefix">Am
                      21.12.2016 um 17:37 schrieb Gianluca Cecchi:<br>
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                        <div class="gmail_extra"><br>
                          <div class="gmail_quote">On Wed, Dec 21, 2016
                            at 5:11 PM, <span dir="ltr">&lt;<a
                                moz-do-not-send="true"
                                href="mailto:ovirt@timmi.org"
                                target="_blank">ovirt@timmi.org</a>&gt;</span>
                            wrote:<br>
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                              style="margin:0px 0px 0px
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                              <div bgcolor="#FFFFFF"> Hi oVirt List,<br>
                                <br>
                                I wanted to upgrade our oVirt 3.6.7
                                installation in the next couple of days
                                to oVirt 4.0.5.<br>
                                My hosts are running CentOS 7.2
                                currently. It is safe to perform the
                                upgrade also to CentOS 7.3? <br>
                                <br>
                                Is 4.0.5 also support this version of
                                CentOS?<br>
                                <br>
                                It is correct that the upgrade to 4.0 is
                                the same as always?<br>
                                Just I need to install the new
                                repositories?<br>
                                I guess I have to delete the old 3.6
                                repos or not?<br>
                                <br>
                                <pre class="m_1001466537992973709gmail-m_-2794991836364796484highlight m_1001466537992973709gmail-m_-2794991836364796484plaintext"><code>  # yum install <a moz-do-not-send="true" class="m_1001466537992973709gmail-m_-2794991836364796484moz-txt-link-freetext" href="http://resources.ovirt.org/pub/yum-repo/ovirt-release40.rpm" target="_blank">http://resources.ovirt.org/pub<wbr>/yum-repo/ovirt-release40.rpm</a>
  # yum update "ovirt-engine-set<wbr>up*"
  # engine-setup</code></pre>
    

    Best regards and thank you for your answers

    Christoph

  </div>



</blockquote><div>
</div><div>Can you give more details, such as:</div><div>
</div><div>- how many hosts?</div><div>- how many DCs?</div><div>- how many Clusters?</div><div>- which kinds of storage domains in use (NFS, iSCSI, FC, ...)?</div><div>- currently using Hosted Engine? Planning to use it in upgraded environment?</div><div>- currently using reports and dwh and if so, currently using which database for them?</div><div>- other custom configuration aspects?</div><div>
</div><div>The more you give in advance the more other users can share about their experience.</div><div>
</div><div>In general this guide for RHEV should be of help for oVirt too:</div><div><a moz-do-not-send="true" href="https://access.redhat.com/documentation/en/red-hat-virtualization/4.0/paged/upgrade-guide/" target="_blank">https://access.redhat.com/<wbr>documentation/en/red-hat-<wbr>virtualization/4.0/paged/<wbr>upgrade-guide/</a>
</div><div>
</div><div>HIH as a first insight,</div><div>
</div><div>Gianluca</div><div> </div></div>
</div></div>



</blockquote>
</div></div></blockquote></div>As the environment is simple I can try to simulate, probably next week, as an exercise, as I have to migrate a similar test environment then.</div></div><div class="gmail_extra" dir="auto">I'll let you know.</div><div class="gmail_extra" dir="auto">Plain ldap or freeipa or what? I will test with freeipa as shipped in CentOS 7.2 with updates (not yet upgraded to 7.3)</div><div class="gmail_extra" dir="auto">
</div></div>



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