On 2016-06-27 19:15, Fernando Fuentes wrote:
> Ricky,
>
> I am under the impression that the DB migration was implemented in
> release 3.6.6.
>
> I might be wrong.
>
> https://www.ovirt.org/release/3.6.6/
>
> What's New in 3.6.6?
> Enhancement
> oVirt Engine
>
> BZ 1241149 [RFE] Provide way to preform in-cluster upgrade of hosts from
> el6->el7.
> BZ 1332463 [RFE] restore: ensure that 3.6 on el6 backup can be restored
> on 3.6 on el7
> Feature: 
>
> Allow engine-backup on el7 to restore backups taken on el6.
>
> Reason: 
>
> engine 4.0 does not support el6. Users that want to upgrade from 3.6 on
> el6 to 4.0 on el7 have to do this by backing up the engine on 3.6/el6
> and restore on 4.0/el7.
>
> This feature, backported from 4.0, allows to do such a migration also in
> 3.6.
>
> Result: 
>
> Using this flow, it's possible to migrate a el6 setup to el7:
>
> On the existing engine machine run:
> 1. engine-backup --mode=backup --file=engine-3.6.bck --log=backup.log
>
> On a new el7 machine:
> 2. Install engine, including dwh if it was set up on el6.
> 3. Copy engine-3.6.bck to the el7 machine
> 4. engine-backup --mode=restore --file=engine-3.6.bck --log=restore.log
> --provision-db --no-restore-permissions
> 5. engine-setup
>
> Check engine-backup documentation for other options, including using
> remote databases, extra grants/permissions, etc.
>

Thank you!
Seems that you have found the treasure.
I will try this tomorrow

Regards

-- 
Ricky Schneberger

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