OK, I understand, I would need to upgrade my Hosts to go to 3.6.

I think I read somewhere I can't mix EL6 and EL7 hosts in the same cluster,
is this true?
Or can I just have 1 host EL7 and another running EL6 in the same cluster.
Idea is to upgrade all hosts, but I do not have enough spare hosts to
upgrade all at once to el7 without downtime.
So I am looking for a way to upgrade my hosts smoothly...

Best Regards,
Paul Groeneweg


Op do 12 nov. 2015 om 10:27 schreef Simone Tiraboschi <stira...@redhat.com>:

> On Thu, Nov 12, 2015 at 9:52 AM, Paul Groeneweg | Pazion <p...@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 <
>> stira...@redhat.com>:
>>
>>> On Thu, Nov 12, 2015 at 9:03 AM, Paul Groeneweg | Pazion <p...@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  p...@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  p...@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
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> --
Met vriendelijke groeten,

Paul Groeneweg
Pazion
Webdevelopment  -  Hosting  -  Apps

T +31 26 3020038
M +31 614 277 577
E  p...@pazion.nl

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