Re: [ovirt-users] cannot change cluster compatibility version from 3.6 to 4.0

On 28 Jun 2016, at 17:37, Jiří Sléžka <jiri.slezka(a)slu.cz&gt; wrote: Dne 28.6.2016 v 17:19 Alexander Wels napsal(a): > On Tuesday, June 28, 2016 05:11:14 PM Jiří Sléžka wrote: >> I forgot attach the screenshot... >> >> Jiri >> > > The label that has the dotted line under it should have a tooltip explaining > the issue. But some of the most likely issues are: you are righ, there is a tooltip explaining tha I have to shutdown all vms before changing compatibility version (I suppose this is valid only for 3->4 upgrade because minor upgrades were possible without downtime)

> 1. DC is at 3.6 and you can't have 4.0 clusters in 3.6 DC. but when I try to change DC version from 3.6 to 4.0 I got "Error while executing action: Cannot update Data Center compatibility version to a value that is greater than its Cluster's version. The following clusters should be upgraded CIT-oVirt." > 2. Active host on 3.6 in the cluster. You can put the hosts in maintenance and > upgrade the cluster, you will obviously also have to upgrade the hosts after > that before you can activate them again. ok, thanks for help. I have to schedule maintenance window. Cheers, Jiri > >> Dne 28.6.2016 v 17:06 Jiří Sléžka napsal(a): >>> Hi all, >>> >>> I have just upgraded engine from 3.6.6 to 4.0 (all worked fine except >>> custom certificate problem which is described and solved here >>> https://bugzilla.redhat.com/show_bug.cgi?id=1336838). >>> >>> Then I upgraded all hosts in cluster and I would like to change cluster >>> compatibility level but it fails in a way there is a red border around >>> "Compatibility Version" dropdown box but no explanation why. There are >>> no entries in logs... >>> >>> What are prerequisities to change cluster compatibility level to 4.0? Do >>> I missing something? >>> >>> Engine (standalone) and hosts are CentOS 7.2 >>> >>> btw. dashboard looks really nice! >>> >>> Cheers, Jiri >>> >>> >>> _______________________________________________ >>> Users mailing list >>> Users(a)ovirt.org >>> http://lists.ovirt.org/mailman/listinfo/users > <jiri_slezka.vcf>_______________________________________________ Users mailing list Users(a)ovirt.org http://lists.ovirt.org/mailman/listinfo/users