[ovirt-users] upgrade to oVirt 3.6 and compabitibility 3.6

[Simone Tiraboschi]

On Thu, Nov 12, 2015 at 9:52 AM, Paul Groeneweg | Pazion <paul at pazion.nl>
wrote:

> That looks like the issue...
>
> I am running Centos 6 and I read
> https://bugzilla.redhat.com/show_bug.cgi?id=1206231
> Is it possible to build the packages form source or is my only option
> upgrading to Centos7?
>

3.6 compatibility level requires el7 hosts; we didn't built vdsm for el6
and I don't think it will just about rebuild.
So you can upgrade your hosts to el7 to gain the new 3.6 features or you
can remain at 3.5 compatibility level.


>
> Can I have a mix of Centos 6 and 7 in my DC/Cluster? ( otherwise I need to
> upgrade/migrate all VMS? )
>

The point is not about upgrading your VMs but about your hosts.
You'll cluster could not be upgrade to 3.6 level till you have one active
host with vdsm 4.16.z


>
> Met vriendelijke groeten,
> Paul Groeneweg
>
>
> Op do 12 nov. 2015 om 09:38 schreef Simone Tiraboschi <stirabos at redhat.com
> >:
>
>> On Thu, Nov 12, 2015 at 9:03 AM, Paul Groeneweg | Pazion <paul at pazion.nl>
>> wrote:
>>
>>> I have finished the upgrade to 3.6.
>>> I received a lot (every 3 seconds ) of the following messages in the
>>> logs after upgrading the hosts:
>>>
>>>  vdsm jsonrpc.JsonRpcServer ERROR Internal server error#012Traceback
>>> (most recent call last):#012  File
>>> "/usr/lib/python2.6/site-packages/yajsonrpc/__init__.py", line 501, in
>>> _serveRequest#012    res = method(**params)#012  File
>>> "/usr/share/vdsm/rpc/Bridge.py", line 291, in _dynamicMethod#012    return
>>> self._fixupRet(className, methodName, ret)#012  File
>>> "/usr/share/vdsm/rpc/Bridge.py", line 235, in _fixupRet#012
>>>  self._typeFixup('return', retType, result)#012  File
>>> "/usr/share/vdsm/rpc/Bridge.py", line 215, in _typeFixup#012    if k in
>>> item:#012TypeError: argument of type 'NoneType' is not iterable
>>>
>>> I restarted ovirt-ha-agent ovirt-ha-broker and vdsmd.
>>> After I rebooted all hosts ( migrating VMS from one to another ) the
>>> message finally disappeared.
>>>
>>> Then I tried to set compatibility Version to 3.6, but without luck. I
>>> have put hosted engine back in global maintenance, but I can't find out why
>>> it fails. The message says "Error while executing action: Cannot change
>>> Cluster Compatibility Version to higher version when there are active Hosts
>>> with lower version.
>>> -Please move Hosts with lower version to maintenance first."
>>>
>>> I have installed ovirt-release36 on hosted engine and hosts.
>>> I have updated hosted engine with engine-setup.
>>> I ran yum update on all hosts.
>>> What do I need to do to set compatibility version to 3.6?
>>>
>>
>> Please check the software tab in the host panel for each of your host, if
>> the upgrade has been performed you should see something like 'VDSM
>> Version: vdsm-4.17.10.1-0.el7.centos', if vdsm is still at 4.16.z that host
>> is still on 3.5.
>>
>>
>>> And how can I enable repository for hosted engine? ( through WEB UI
>>> change is not saved ).
>>>
>>>
>>>
>>> Best Regards,
>>> Paul Groeneweg
>>>
>>> --
>>> Met vriendelijke groeten,
>>>
>>> Paul Groeneweg
>>> Pazion
>>> Webdevelopment  -  Hosting  -  Apps
>>>
>>> T +31 26 3020038
>>> M +31 614 277 577
>>> E  paul at pazion.nl
>>>
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>> --
> Met vriendelijke groeten,
>
> Paul Groeneweg
> Pazion
> Webdevelopment  -  Hosting  -  Apps
>
> T +31 26 3020038
> M +31 614 277 577
> E  paul at pazion.nl
>
>  ***disclaimer***
> "This e-mail and any attachments thereto may contain information which is
> confidential and/or protected by intellectual property rights and are
> intended for the sole use of the recipient(s) named above. Any use of the
> information contained herein (including, but not limited to, total or
> partial reproduction, communication or distribution in any form) by persons
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