[Users] Upgrading ovirt-engine from Centos dre repo

[Itamar Heim]

On 08/02/2012 09:47 AM, Neil wrote:
> Hi guys,
>
> Thank you very much for all your input and assistance.
>
>> On Tue, Jul 31, 2012 at 5:48 PM, Ofer Schreiber <oschreib at redhat.com>
>> wrote:
>>
>> it seems that you're using a very old 3.1 build, which we never released
>> during the beta process (afair).
>>
>> this build is a x86_64 build, which confuses the upgrade script (since new
>> rpms are noarch).
>>
>> I can't guarantee it will work fine (although I can't think of any reason it
>> won't), but using the --force-setup... parameter is a good option.
>>
>> Actually, we already fixed this bug upstream, but I'm not sure it will get
>> into 3.1.
>
> I'll try the --force-setup today if I get a chance, in a worst case
> scenario what could go wrong?
> When I run the upgrade will it create a DB backup that can be manually
> restored if I have to remove all ovirt-engine packages and start from
> scratch?
> Anyone have some steps on how to go about restoring from the backup
> that the "engine-upgrade --force-setup" creates?
>
> Currently I'm running a two node/hypervisor setup with a SAN as my
> data storage, but I can't migrate VM's between the nodes due to what
> appears to be a bug, which is the reason for wanting to update the
> ovirt-engine. As previously mentioned my engine is installed directly
> on one of the nodes/hypervisors.

though not directly related, that's not helping...

>
> Would it perhaps be a better idea to install a new ovirt-engine onto a
> different server and then migrate to the new engine rather than
> updating the current one, or am I just being completely paranoid?
>
> We are running mission critical VM's on the install, so I can't risk
> something going wrong and the VM's stop running or access to them is
> lost.

upgrade wasn't tested thourougly in these versions.
installing a new environment and moving VMs to it would be safer, but it 
will require you to have more nodes, and stop/export/import/launch your VMs.

>
> Thank you very much.
>
> Regards.
>
> Neil Wilson
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