<div dir="ltr"><br><div class="gmail_extra"><br><div class="gmail_quote">On Mon, Jun 12, 2017 at 2:12 PM, Pavel Gashev <span dir="ltr"><<a href="mailto:Pax@acronis.com" target="_blank">Pax@acronis.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:Calibri">Can I update VMs compatibility version without restarting VMs?</span></p></div></div></blockquote><div><br></div><div>yes, but it will be applied only after restart. <br></div><div> </div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div bgcolor="white" link="blue" vlink="purple" lang="EN-GB"><div class="m_-104721814968593687WordSection1"><p class="MsoNormal"><span style="font-size:11.0pt;font-family:Calibri"><u></u><u></u></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:Calibri">According to the source code, restarting is required during upgrading to 4.1 only if a VM uses random generator device. If it doesn’t, a restart is not really
required.</span></p></div></div></blockquote><div><br></div><div>right, but the VM will still be marked with this "next run configuration" and will be set to have the old compatibility version.<br></div><div> </div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div bgcolor="white" link="blue" vlink="purple" lang="EN-GB"><div class="m_-104721814968593687WordSection1"><p class="MsoNormal"><span style="font-size:11.0pt;font-family:Calibri"><u></u><u></u></span></p>
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<p class="MsoNormal"><b><span style="font-family:Calibri;color:black">From: </span>
</b><span style="font-family:Calibri;color:black"><<a href="mailto:users-bounces@ovirt.org" target="_blank">users-bounces@ovirt.org</a>> on behalf of Tomas Jelinek <<a href="mailto:tjelinek@redhat.com" target="_blank">tjelinek@redhat.com</a>><br>
<b>Date: </b>Monday, 12 June 2017 at 14:15<br>
<b>To: </b>James <<a href="mailto:james@jloh.co" target="_blank">james@jloh.co</a>><br>
<b>Cc: </b>users <<a href="mailto:users@ovirt.org" target="_blank">users@ovirt.org</a>><br>
<b>Subject: </b>Re: [ovirt-users] Migrating oVirt cluster from 4.0 to 4.1<u></u><u></u></span></p>
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<p class="MsoNormal">On Mon, Jun 12, 2017 at 12:17 PM, James <<a href="mailto:james@jloh.co" target="_blank">james@jloh.co</a>> wrote:<u></u><u></u></p>
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<p class="MsoNormal">We recently moved our oVirt cluster from 4.0 to 4.1 and have migrated<br>
all the hosts. The datacenter currently has a compatability setting of<br>
4.1 but the cluster is still on 4.0. As cross-cluster migrations has<br>
been removed (no option anymore?) we aren't 100% sure how to get the<br>
cluster onto 4.1 whilst keeping the VMs online. Do we just change the<br>
compatibility version live and it "just works" or do we have to have<br>
downtime?<u></u><u></u></p>
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<p class="MsoNormal">yes, you just change the compatibility version. The VMs which are down will be automatically updated and work with the new cluster, the running ones will be marked with a "triangle" icon and will be automatically updated on restart of them.<u></u><u></u></p>
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Any info would be great!<br>
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Regards,<br>
James<br>
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