[ovirt-users] restore of backup fail when Migrating to ovirt-engine 4.0

[Ricky Schneberger]

>> [.. cutting all bogus as it is unreadable, even with html mails..]
>>
>> On Tue, Jun 28, 2016 at 4:00 PM, Yaniv Dary <ydary at redhat.com> wrote:
>>
>>> Do you have any 3.5 clusters? You can only upgrade to 4.0, if all the
>>> cluster are 3.6 compatibility.
>>>> #engine-backup --mode=restore --no-restore-permissions --provision-db
>>>> --provision-dwh-db --provision-reports-db --file=engine-backup.tar.gz
>>>> --log=engine-backup-restore.log
>>>>
>>>> Success with the restore!
>>>>
>>>> Thanks for pointing me out. What I did was just following the
>>>> documentation, right or wrong.
>>>>
>>>> But when I run "Engine-setup" I got stucked with
>>>>
>>>> "[ INFO  ] Stage: Setup validation
>>>> [WARNING] Less than 16384MB of memory is available
>>>> [ ERROR ] Failed to execute stage 'Setup validation': Trying to upgrade
>>>> from unsupported versions: 3.5
>>>> [ INFO  ] Stage: Clean up
>>>>           Log file is located at
>>>> /var/log/ovirt-engine/setup/ovirt-engine-setup-20160628120936-ix7pb8.log
>>>> [ INFO  ] Generating answer file
>>>> '/var/lib/ovirt-engine/setup/answers/20160628121149-setup.conf'
>>>> [ INFO  ] Stage: Pre-termination
>>>> [ INFO  ] Stage: Termination
>>>> [ ERROR ] Execution of setup failed"
>>>>
> 3.6 EL6 migration to 4.0 EL7 works OK for me with following steps:
>
> 1. 3.6 EL6 engine (3.6 dc/clstr level)
> 2. 3.6 EL6 engine-backup and do backup
> 3. 4.0 EL7 clean install
> 4. 4.0 EL7 engine-backup and do restore
> 5. 4.0 EL7 engine-setup
>
> What are the problematic steps on other side?
>
> Do we have a problem if 3.6 EL6 engine does have dc/clstr level set to '3.5'?
>
> j.
>

I "thought" I got cluster level 3.6. Bad move to not check this up. Now
when I tried to upgrade from cluster level 3.5 I found out that I maybe
need EL7 hosts to upgrade to 3.6.
I have VDSM 4.16.x on my el6 hosts and thought it should work but no
success.

regards

-- 
Ricky Schneberger

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