<div dir="ltr"><div class="gmail_extra"><div class="gmail_quote">On Thu, Oct 6, 2016 at 11:41 AM, Simone Tiraboschi <span dir="ltr">&lt;<a href="mailto:stirabos@redhat.com" target="_blank">stirabos@redhat.com</a>&gt;</span> wrote:<br><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><br><div>[snip]<br></div></div></blockquote><div> </div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><div><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></div></blockquote><div>[snip]</div><div> </div></div></div><div class="gmail_extra"><br></div><div class="gmail_extra">And in any case this can be your friend for dependencies in updating datacenters/cluster to 3.6:</div><div class="gmail_extra"><a href="https://access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Virtualization/3.6/html/Upgrade_Guide/chap-Post-Upgrade_Tasks.html">https://access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Virtualization/3.6/html/Upgrade_Guide/chap-Post-Upgrade_Tasks.html</a><br></div><div class="gmail_extra"><br></div><div class="gmail_extra">For their general concepts (in 3.6):</div><div class="gmail_extra"><a href="https://access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Virtualization/3.6/html/Administration_Guide/chap-Data_Centers.html">https://access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Virtualization/3.6/html/Administration_Guide/chap-Data_Centers.html</a><br></div><div class="gmail_extra"><a href="https://access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Virtualization/3.6/html/Administration_Guide/chap-Clusters.html">https://access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Virtualization/3.6/html/Administration_Guide/chap-Clusters.html</a><br></div><div class="gmail_extra"><br></div><div class="gmail_extra">HIH,</div><div class="gmail_extra">Gianluca</div></div>