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

[Simone Tiraboschi]

On Thu, Nov 12, 2015 at 12:43 PM, Dan Kenigsberg <danken at redhat.com> wrote:

> On Thu, Nov 12, 2015 at 08:03:05AM +0000, Paul Groeneweg | Pazion wrote:
> > I have finished the upgrade to 3.6.
>
> Can you describe how you've performed the upgrade? Did you upgrade
> Engine first and then all the hosts (it is highly recommended to upgrade
> host one at a time, and move each to maintenance mode before doing so)?
> When did the troubling log appeared?
>
> > 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.
>
> Can you share your vdsm.log of that time? I wish to understand what
> method has failed.
>
> >
> > 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."
>
> Can you iterate over your hosts to find which is the culprit?
> Then you can move it to maintenance.
>

As far as I understood all the hosts were el6 and so no one got really
upgraded.


>
> >
> > 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?
> >
> > And how can I enable repository for hosted engine? ( through WEB UI
> change
> > is not saved ).
>
>
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