On Tue, May 8, 2018 at 9:29 AM, Demeter Tibor <tdeme...@itsmart.hu> wrote:
> Dear Listmember, > > I've just upgrade to my ovirt-hosted-engine from 4.1 to 4.2.3. It was > successful, but it saw "Data Center XYZ compatibility version is 4.1, > which is lower than latest engine version 4.2. Please upgrade your Data > Center to latest version to successfully finish upgrade of your setup." > > My first question is that, it need to do BEFORE or AFTER the node upgrades? > I answer for the upgrade of DC/Cluster level. You can upgrade DC level when you have upgraded level of all its Clusters You can upgrade Cluster level when you have upgraded all its hosts More info here: https://www.ovirt.org/documentation/upgrade-guide/chap-Post-Upgrade_Tasks/ HIH, Gianluca
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