<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><br class=""><div><br class=""><blockquote type="cite" class=""><div class="">On 5 Apr 2018, at 18:58, Yaniv Kaul <<a href="mailto:ykaul@redhat.com" class="">ykaul@redhat.com</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div dir="auto" class=""><div class=""><br class=""><br class=""><div class="gmail_quote"><div dir="ltr" class="">On Thu, Apr 5, 2018, 5:31 PM Luca 'remix_tj' Lorenzetto <<a href="mailto:lorenzetto.luca@gmail.com" class="">lorenzetto.luca@gmail.com</a>> wrote:<br class=""></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Hello,<br class="">
<br class="">
we're planning an upgrade of an old 4.0 setup to 4.2, going through 4.1.<br class="">
<br class="">
What we found out is that when upgrading from major to major, cluster<br class="">
and datacenter compatibility upgrade has to be done at the end of the<br class="">
upgrade.<br class="">
This means that we also require to restart our VMs for adapting the<br class="">
compatibility level.<br class="">
<br class="">
Do we require to upgrade the compatibility level to 4.1 before<br class="">
starting the upgrade to 4.2?<br class=""></blockquote></div></div><div dir="auto" class=""><br class=""></div><div dir="auto" class="">No. </div></div></div></blockquote><div><br class=""></div>you just need to keep the supported versions in mind. Version 4.2 supports Cluster levels 3.6, 4.0, 4.1(same as version 4.1) - so any of them is ok </div><div><br class=""><blockquote type="cite" class=""><div class=""><div dir="auto" class=""><div dir="auto" class="">Y. </div><div dir="auto" class=""><br class=""></div><div dir="auto" class=""><div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<br class="">
We have more than 400 vms and only few of them can be restarted at our<br class="">
convenience.</blockquote></div></div></div></div></blockquote></div><div><blockquote type="cite" class=""><div class=""><div dir="auto" class=""><div dir="auto" class=""><div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<br class="">
<br class="">
--<br class="">
"E' assurdo impiegare gli uomini di intelligenza eccellente per fare<br class="">
calcoli che potrebbero essere affidati a chiunque se si usassero delle<br class="">
macchine"<br class="">
Gottfried Wilhelm von Leibnitz, Filosofo e Matematico (1646-1716)<br class="">
<br class="">
"Internet è la più grande biblioteca del mondo.<br class="">
Ma il problema è che i libri sono tutti sparsi sul pavimento"<br class="">
John Allen Paulos, Matematico (1945-vivente)<br class="">
<br class="">
Luca 'remix_tj' Lorenzetto, <a href="http://www.remixtj.net/" rel="noreferrer noreferrer" target="_blank" class="">http://www.remixtj.net</a> , <<a href="mailto:lorenzetto.luca@gmail.com" target="_blank" rel="noreferrer" class="">lorenzetto.luca@gmail.com</a>><br class="">
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