<div dir="ltr">Hi Alon,<div>you just need the backup/restore backup procedure if you have to change the OS of the server where you installed your engine.</div><div>It it was already at el7 you don't need that.</div><div><br><div><div>In every case the upgrade to 4.0 is requiring that all your cluster and all your data center should be at 3.6 compatibility level before the upgrade.</div></div><div>From the error you got, it seams that you still have something at 3.5.</div><div><br></div><div><br></div><div><br></div></div></div><div class="gmail_extra"><br><div class="gmail_quote">On Thu, Oct 6, 2016 at 11:31 AM, Alon Dotan <span dir="ltr"><<a href="mailto:alon1.dotan@gmail.com" target="_blank">alon1.dotan@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">Hey all,<div>Im trying to upgrade my ovirt installation,<br>CentOS 7.2 fully updated<br><br></div><div><span style="font-size:12.8px">engine version: </span><span style="color:rgb(0,0,0);font-family:"arial unicode ms",arial,sans-serif;text-align:-webkit-center">oVirt Engine Version: 3.6.7.5-1.el7.centos</span></div><div><span style="color:rgb(0,0,0);font-family:"arial unicode ms",arial,sans-serif;text-align:-webkit-center"><br></span></div><div><span style="color:rgb(0,0,0);font-family:"arial unicode ms",arial,sans-serif;text-align:-webkit-center">hosts version:</span></div><div><div style="color:rgb(0,0,0);font-family:"arial unicode ms",arial,sans-serif"><div style="min-height:1px;padding-left:20px;padding-right:20px;float:left;width:1681px"><div><div style="min-height:1px;padding-left:20px;padding-right:20px;float:left;width:280.156px"><div style="font-family:arial,sans-serif">OS Version:</div></div><div style="min-height:1px;padding-left:20px;padding-right:20px;float:left;width:1400.83px"><span style="color:rgb(119,119,119);font-family:arial,sans-serif">RHEL - 7 - 2.1511.el7.centos.2.10</span></div></div></div></div><div style="color:rgb(0,0,0);font-family:"arial unicode ms",arial,sans-serif"><div style="min-height:1px;padding-left:20px;padding-right:20px;float:left;width:1681px"><div><div style="min-height:1px;padding-left:20px;padding-right:20px;float:left;width:280.156px"><div style="font-family:arial,sans-serif">Kernel Version:</div></div><div style="min-height:1px;padding-left:20px;padding-right:20px;float:left;width:1400.83px"><span style="color:rgb(119,119,119);font-family:arial,sans-serif">3.10.0 - 327.36.1.el7.x86_64</span></div></div></div></div><div style="color:rgb(0,0,0);font-family:"arial unicode ms",arial,sans-serif"><div style="min-height:1px;padding-left:20px;padding-right:20px;float:left;width:1681px"><div><div style="min-height:1px;padding-left:20px;padding-right:20px;float:left;width:280.156px"><div style="font-family:arial,sans-serif">KVM Version:</div></div><div style="min-height:1px;padding-left:20px;padding-right:20px;float:left;width:1400.83px"><span style="color:rgb(119,119,119);font-family:arial,sans-serif">2.3.0 - 31.el7_2.10.1</span></div></div></div></div><div style="color:rgb(0,0,0);font-family:"arial unicode ms",arial,sans-serif"><div style="min-height:1px;padding-left:20px;padding-right:20px;float:left;width:1681px"><div><div style="min-height:1px;padding-left:20px;padding-right:20px;float:left;width:280.156px"><div style="font-family:arial,sans-serif">LIBVIRT Version:</div></div><div style="min-height:1px;padding-left:20px;padding-right:20px;float:left;width:1400.83px"><span style="color:rgb(119,119,119);font-family:arial,sans-serif">libvirt-1.2.17-13.el7_2.5</span></div></div></div></div><div style="color:rgb(0,0,0);font-family:"arial unicode ms",arial,sans-serif"><div style="min-height:1px;padding-left:20px;padding-right:20px;float:left;width:1681px"><div><div style="min-height:1px;padding-left:20px;padding-right:20px;float:left;width:280.156px"><div style="font-family:arial,sans-serif">VDSM Version:</div></div><div style="min-height:1px;padding-left:20px;padding-right:20px;float:left;width:1400.83px"><span style="color:rgb(119,119,119);font-family:arial,sans-serif">vdsm-4.17.32-1.el7</span></div></div></div></div><div style="color:rgb(0,0,0);font-family:"arial unicode ms",arial,sans-serif"><div style="min-height:1px;padding-left:20px;padding-right:20px;float:left;width:1681px"><div><div style="min-height:1px;padding-left:20px;padding-right:20px;float:left;width:280.156px"><div style="font-family:arial,sans-serif">SPICE Version:</div></div><div style="min-height:1px;padding-left:20px;padding-right:20px;float:left;width:1400.83px"><span style="color:rgb(119,119,119);font-family:arial,sans-serif">0.12.4 - 15.el7_2.2</span></div></div></div></div><div style="color:rgb(0,0,0);font-family:"arial unicode ms",arial,sans-serif"><div style="min-height:1px;padding-left:20px;padding-right:20px;float:left;width:1681px"><div><div style="min-height:1px;padding-left:20px;padding-right:20px;float:left;width:280.156px"><div style="font-family:arial,sans-serif">GlusterFS Version:</div></div><div style="min-height:1px;padding-left:20px;padding-right:20px;float:left;width:1400.83px"><span style="color:rgb(119,119,119);font-family:arial,sans-serif">[N/A]</span></div></div></div></div><div style="color:rgb(0,0,0);font-family:"arial unicode ms",arial,sans-serif"><div style="min-height:1px;padding-left:20px;padding-right:20px;float:left;width:1681px"><div><div style="min-height:1px;padding-left:20px;padding-right:20px;float:left;width:280.156px"><div style="font-family:arial,sans-serif">CEPH Version:</div><div style="font-family:arial,sans-serif"><br></div><div style="font-family:arial,sans-serif"><br></div></div></div></div></div><div style="color:rgb(0,0,0);font-family:"arial unicode ms",arial,sans-serif"><div style="min-height:1px;padding-left:20px;padding-right:20px;float:left;width:1681px"><div><div style="min-height:1px;padding-left:20px;padding-right:20px;float:left;width:280.156px"><div style="font-family:arial,sans-serif">got the following error after deploying the backup tar (following this guide <a href="http://www.ovirt.org/documentation/migration-engine-3.6-to-4.0/" target="_blank">http://www.ovirt.org/<wbr>documentation/migration-<wbr>engine-3.6-to-4.0/</a>)</div></div></div></div></div><div><div style="min-height:1px;padding-left:20px;padding-right:20px;float:left;width:1681px"><div><div style="min-height:1px;padding-left:20px;padding-right:20px;float:left;width:280.156px"><div style="color:rgb(0,0,0);font-family:arial,sans-serif"><br></div><div><font color="#000000">Failed to execute stage 'Setup validation': Trying to upgrade from unsupported versions: 3.5</font><br></div><div><font color="#000000"><br></font></div></div></div></div></div><div><div style="min-height:1px;padding-left:20px;padding-right:20px;float:left;width:1681px"><div><div style="min-height:1px;padding-left:20px;padding-right:20px;float:left;width:280.156px"><div><font color="#000000">attaching the engine-setup answer and log</font></div><div><font color="#000000"><br></font></div></div></div></div></div><div><div style="min-height:1px;padding-left:20px;padding-right:20px;float:left;width:1681px"><div><div style="min-height:1px;padding-left:20px;padding-right:20px;float:left;width:280.156px"><div><font color="#000000">Thanks,</font></div></div></div></div></div><div style="color:rgb(0,0,0);font-family:"arial unicode ms",arial,sans-serif"><br></div></div><div style="color:rgb(0,0,0);font-family:"arial unicode ms",arial,sans-serif;text-align:-webkit-center"><div style="font-family:arial,sans-serif;font-weight:bold"></div></div></div>
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