<div dir="ltr">I just tested adding a Centos 6.6 and Centos 7 host on a oVirt Cluster and it is not possible:<div><br></div><div>Not possible to mix RHEL 6.x and 7.x hosts in one cluster. Tried adding RHEL - 6 - 7.el6.centos.12.3 host to a cluster with RHEL - 7 - 1.1503.el7.centos.2.8 hosts.</div><div><br></div><div>Using the same data storage for multiple Clusters seems possible.</div><div><br></div><div>Thanks for all the help today,</div><div><br></div><div>Regards,</div><div>Paul<br><br><div class="gmail_quote"><div dir="ltr">Op do 12 nov. 2015 om 10:52 schreef Paul Groeneweg | Pazion <<a href="mailto:paul@pazion.nl">paul@pazion.nl</a>>:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">Hmm, that would be a pity, then I also need a second shared storage.<div><br></div><div>Anyone tested mixed el6 and el7 cluster on 3.5.5 or 3.6 ?</div></div><div dir="ltr"><div><br><div><div dir="ltr">Met vriendelijke groeten,<br><div>Paul Groeneweg<div><br></div></div></div></div></div></div><div dir="ltr"></div><br><div class="gmail_quote"><div dir="ltr">Op do 12 nov. 2015 om 10:48 schreef Gianluca Cecchi <<a href="mailto:gianluca.cecchi@gmail.com" target="_blank">gianluca.cecchi@gmail.com</a>>:<br></div></div><div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div class="gmail_extra"><div class="gmail_quote">On Thu, Nov 12, 2015 at 10:44 AM, Gianluca Cecchi <span dir="ltr"><<a href="mailto:gianluca.cecchi@gmail.com" target="_blank">gianluca.cecchi@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><div dir="ltr"><div class="gmail_extra"><div class="gmail_quote"><span>On Thu, Nov 12, 2015 at 10:40 AM, Paul Groeneweg | Pazion <span dir="ltr"><<a href="mailto:paul@pazion.nl" target="_blank">paul@pazion.nl</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><div dir="ltr">OK, I understand, I would need to upgrade my Hosts to go to 3.6.<div><br></div><div>I think I read somewhere I can't mix EL6 and EL7 hosts in the same cluster, is thi<span style="line-height:1.5">s</span><span style="line-height:1.5"> true?</span></div><div><br></div></div></blockquote><div><br></div></span><div>You can have a mix of EL6 and EL7 hosts with 3.5 cluster compatibility in place.</div><div>But you have to notice that you can do live migrations in direction EL6 --> EL7 but not the reverse.</div><div>SO you have to care about this for your migration strategy.</div><div>Probably bettere to update at least two hosts to EL7 before beginning to place critical VMs on them.</div><div>HIH,</div><div>Gianluca </div></div></div></div>
</blockquote></div><br></div></div><div dir="ltr"><div class="gmail_extra">Opsss, perhaps I'm wro and you have to create a different cluster in the same datacenter and progressively migrate VMs from hosts in first cluster to hosts in second cluster.</div><div class="gmail_extra">At least so it was in 3.5.1.... did it change?</div><div class="gmail_extra"><br></div><div class="gmail_extra">See </div><div class="gmail_extra"><a href="http://lists.ovirt.org/pipermail/users/2015-May/032818.html" target="_blank">http://lists.ovirt.org/pipermail/users/2015-May/032818.html</a><br></div><div class="gmail_extra">and bugzilla</div><div class="gmail_extra"><a href="https://bugzilla.redhat.com/show_bug.cgi?id=1150191" target="_blank">https://bugzilla.redhat.com/show_bug.cgi?id=1150191</a><br></div></div>
</blockquote></div><div dir="ltr">-- <br></div><div dir="ltr"><span>Met vriendelijke groeten,</span><br><br><div>Paul Groeneweg<div>Pazion</div><div>Webdevelopment - Hosting - Apps</div><div><br></div><div>T +31 26 3020038</div><div>M +31 614 277 577</div><div>E <a>paul@pazion.nl</a></div><div><br></div><div> ***disclaimer*** </div><div>"This e-mail and any attachments thereto may contain information which is confidential and/or protected by intellectual property rights and are intended for the sole use of the recipient(s) named above. Any use of the information contained herein (including, but not limited to, total or partial reproduction, communication or distribution in any form) by persons other than the designated recipient(s) is prohibited. If you have received this e-mail in error, please notify the sender either by telephone or by e-mail and delete the material from any computer. Thank you for your cooperation."</div></div></div></blockquote></div></div></div><div dir="ltr">-- <br></div><div dir="ltr"><span>Met vriendelijke groeten,</span><br><br><div>Paul Groeneweg<div>Pazion</div><div>Webdevelopment - Hosting - Apps</div><div><br></div><div>T +31 26 3020038</div><div>M +31 614 277 577</div><div>E <a>paul@pazion.nl</a></div><div><br></div><div> ***disclaimer*** </div><div>"This e-mail and any attachments thereto may contain information which is confidential and/or protected by intellectual property rights and are intended for the sole use of the recipient(s) named above. Any use of the information contained herein (including, but not limited to, total or partial reproduction, communication or distribution in any form) by persons other than the designated recipient(s) is prohibited. If you have received this e-mail in error, please notify the sender either by telephone or by e-mail and delete the material from any computer. Thank you for your cooperation."</div></div></div>