[ovirt-users] cannot change cluster compatibility version from 3.6 to 4.0
Michal Skrivanek
michal.skrivanek at redhat.com
Wed Jun 29 07:48:08 UTC 2016
> On 28 Jun 2016, at 17:37, Jiří Sléžka <jiri.slezka at slu.cz> 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)
currently for all upgrades, not just 3->4, that is “new” in 3.6.7
it will be a whole lot easier after https://bugzilla.redhat.com/show_bug.cgi?id=1348907 gets in
>
>> 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
>>>>
>>>>
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>>>> Users at ovirt.org
>>>> http://lists.ovirt.org/mailman/listinfo/users
>>
>
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