On Thu, Nov 3, 2016 at 11:27 AM, Maor Lipchuk <mlipchuk@redhat.com> wrote:

Hi Daniel,

The upgrade process should be performed by upgrading all your clusters first to 4.x and after all your clusters were upgraded then the Data Center should be also upgraded to the desired version.

The hosts might also need to be upgraded by yum update.
Sandro, correct me if I'm wrong, is there a wiki regarding the Host upgrade process?

If the hosts are already EL7 you can upgrade using Upgrade manager https://www.ovirt.org/develop/release-management/features/engine/upgrademanager/

Otherwise you'll have to reinstall hosts with EL7 one by one.

For hosted engine you can follow https://www.ovirt.org/develop/release-management/features/hosted-engine-migration-to-4-0/

On Thu, Nov 3, 2016 at 12:13 AM, Beckman, Daniel <Daniel.Beckman@ingramcontent.com> wrote:

So I’ve successfully upgraded my oVirt engine to 4.0.4, but my hosts are still running oVirt node 3.6 and the cluster and data center is still in 3.6 compatibilty mode. All of the oVirt documentation I’ve found is referencing 3.x. Can someone point me to updated documentation – does it exist? I found the equivalent documentation for the commercial product, RHV, but it (https://access.redhat.com/documentation/en/red-hat-virtualization/4.0/paged/upgrade-guide/32-upgrading-to-red-hat-virtualization-manager-40) doesn’t really address upgrading hosts from 3.6 to 4.x. Do 3.6 hosts have to be removed, wiped, and rebuilt from scratch? Or can they be upgraded to 4.x from the manager, or by booting from the 4.x ISO?

Thanks,

Daniel

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Sandro Bonazzola
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