<div dir="ltr"><br><br><div class="gmail_quote"><div dir="ltr">On Thu, Mar 2, 2017 at 10:16 AM Peter Hudec <<a href="mailto:phudec@cnc.sk">phudec@cnc.sk</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">A Few weeks ago I did upgrade from 3.5 to 4.1<br class="gmail_msg">
The release-by-release (3.5 -> 3.6 -> 4.0 -> 4.1)upgrade we found out as<br class="gmail_msg">
very time consuming, since we were running CentOS 6 on all HOST and<br class="gmail_msg">
Engine too. We decided to install new 4.1 and migrate the VM.<br class="gmail_msg"></blockquote><div><br></div><div>Agree, it takes time - but there is the InCluster migration policy which allows mixing (in a single direction - EL6 -> EL7) hosts, especially to prevent downtime.</div><div> </div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<br class="gmail_msg">
The only disadvantage of this upgrade is the VM downtime during the<br class="gmail_msg">
migration. You need to export and import them again.<br class="gmail_msg"></blockquote><div><br></div><div>What about detach and attach the storage domain? Wasn't that a viable option? Or did you prefer export-import one (or several) VMs at a time?</div><div>Y.</div><div> </div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<br class="gmail_msg">
Peter<br class="gmail_msg">
<br class="gmail_msg">
<br class="gmail_msg">
On 02/03/2017 08:09, Lionel Caignec wrote:<br class="gmail_msg">
> Ok thank you,<br class="gmail_msg">
><br class="gmail_msg">
> Ok another question, i need to ugprade engine to 4.0 first and then to 4.1, do i need to do the same for the hypervisor or can i directly go to 4.1?<br class="gmail_msg">
><br class="gmail_msg">
> ----- Mail original -----<br class="gmail_msg">
> De: "Yedidyah Bar David" <<a href="mailto:didi@redhat.com" class="gmail_msg" target="_blank">didi@redhat.com</a>><br class="gmail_msg">
> À: "Lionel Caignec" <<a href="mailto:caignec@cines.fr" class="gmail_msg" target="_blank">caignec@cines.fr</a>><br class="gmail_msg">
> Cc: "users" <<a href="mailto:users@ovirt.org" class="gmail_msg" target="_blank">users@ovirt.org</a>><br class="gmail_msg">
> Envoyé: Jeudi 2 Mars 2017 07:59:56<br class="gmail_msg">
> Objet: Re: [ovirt-users] Upgrade path from running 3.6 (centos 7) to 4.1<br class="gmail_msg">
><br class="gmail_msg">
> On Thu, Mar 2, 2017 at 7:07 AM, Lionel Caignec <<a href="mailto:caignec@cines.fr" class="gmail_msg" target="_blank">caignec@cines.fr</a>> wrote:<br class="gmail_msg">
>> Hi,<br class="gmail_msg">
>> i'm running an ovirt cluster in 3.6 (centos 7) no hosted engine.<br class="gmail_msg">
>> Is it possible to upgrade directly from 3.6 to 4.1? Or this is not recommended.<br class="gmail_msg">
><br class="gmail_msg">
> It's not possible. You need to go through 4.0.<br class="gmail_msg">
><br class="gmail_msg">
> Best,<br class="gmail_msg">
><br class="gmail_msg">
>><br class="gmail_msg">
>><br class="gmail_msg">
>> Thanks,<br class="gmail_msg">
>> Lionel<br class="gmail_msg">
>> _______________________________________________<br class="gmail_msg">
>> Users mailing list<br class="gmail_msg">
>> <a href="mailto:Users@ovirt.org" class="gmail_msg" target="_blank">Users@ovirt.org</a><br class="gmail_msg">
>> <a href="http://lists.ovirt.org/mailman/listinfo/users" rel="noreferrer" class="gmail_msg" target="_blank">http://lists.ovirt.org/mailman/listinfo/users</a><br class="gmail_msg">
><br class="gmail_msg">
><br class="gmail_msg">
><br class="gmail_msg">
<br class="gmail_msg">
<br class="gmail_msg">
--<br class="gmail_msg">
*Peter Hudec*<br class="gmail_msg">
Infraštruktúrny architekt<br class="gmail_msg">
<a href="mailto:phudec@cnc.sk" class="gmail_msg" target="_blank">phudec@cnc.sk</a> <mailto:<a href="mailto:phudec@cnc.sk" class="gmail_msg" target="_blank">phudec@cnc.sk</a>><br class="gmail_msg">
<br class="gmail_msg">
*CNC, a.s.*<br class="gmail_msg">
Borská 6, 841 04 Bratislava<br class="gmail_msg">
Recepcia: +421 2 35 000 100<br class="gmail_msg">
<br class="gmail_msg">
Mobil:<a href="tel:+421%20905%20997%20203" value="+421905997203" class="gmail_msg" target="_blank">+421 905 997 203</a><br class="gmail_msg">
*<a href="http://www.cnc.sk" rel="noreferrer" class="gmail_msg" target="_blank">www.cnc.sk</a>* <http:///<a href="http://www.cnc.sk" rel="noreferrer" class="gmail_msg" target="_blank">www.cnc.sk</a>><br class="gmail_msg">
<br class="gmail_msg">
_______________________________________________<br class="gmail_msg">
Users mailing list<br class="gmail_msg">
<a href="mailto:Users@ovirt.org" class="gmail_msg" target="_blank">Users@ovirt.org</a><br class="gmail_msg">
<a href="http://lists.ovirt.org/mailman/listinfo/users" rel="noreferrer" class="gmail_msg" target="_blank">http://lists.ovirt.org/mailman/listinfo/users</a><br class="gmail_msg">
</blockquote></div></div>