[Users] engine-backup --restore

[Juan Pablo Lorier]

I'll do then next week.
Regards and again, thanks to everyone.

On 13/02/14 13:50, Trey Dockendorf wrote:
> A wiki page is a good idea, glad the steps worked in more than my case.
>
> - Trey
>
> On Thu, Feb 13, 2014 at 9:37 AM, Juan Pablo Lorier <jplorier at gmail.com> wrote:
>> Hi Trey,
>>
>> Following your procedure, I was able to get the engine running. THANKS A
>> LOT TO EVERYONE!!
>> If you allow me, I'll create a wiki page with this mentioning you so
>> others can get this easily.
>> Regards,
>>
>> On 12/02/14 17:32, Trey Dockendorf wrote:
>>> I was having the same issue (and posted about it today, with full
>>> steps).  I'd reply to my current post to list but I don't seem to
>>> receive my own posts.
>>>
>>> I have since taken these steps (as root)
>>>
>>> $ su - postgres -c "dropdb engine"
>>> $ su - postgres -c "psql -c \"create user engine password '<PASSWORD>'\""
>>> $ su - postgres -c "psql -c \"create database engine owner engine
>>> template template0 encoding 'UTF8' lc_collate 'en_US.UTF-8' lc_ctype
>>> 'en_US.UTF-8'\""
>>> $ engine-backup --mode=restore --scope=all
>>> --file=engine-20140211-1457.tar.bz2 --log=engine-backup.log
>>> --change-db-credentials --db-host=localhost --db-port=5432
>>> --db-user=engine --db-name=engine --db-password=<PASSWORD>
>>> Restoring...
>>> Rewriting /etc/ovirt-engine/engine.conf.d/10-setup-database.conf
>>> Note: you might need to manually fix:
>>> - iptables/firewalld configuration
>>> - autostart of ovirt-engine service
>>> You can now start the engine service and then restart httpd
>>> Done.
>>>
>>> $ engine-setup
>>>
>>> I believe I initially created the database incorrectly (ran 'createdb
>>> engine' as postgres user).  I was getting errors during engine-setup
>>> that indicated the database could not be accessed.
>>>
>>> After the steps above, everything looks good.
>>>
>>> - Trey
>>>
>>>
>>> On Wed, Feb 12, 2014 at 1:10 PM, Juan Pablo Lorier <jplorier at gmail.com> wrote:
>>>> Well, too soon to say boodbye.
>>>> Thought I used --change-db-credentials in the restore, the engine seems
>>>> to be unable to connect to the database. I assume that it didn't get the
>>>> new password, so, is there a way to tell the engine about the new password?
>>>> Regards,
>>>>
>>>> On 12/02/14 16:03, Yedidyah Bar David wrote:
>>>>> ----- Original Message -----
>>>>>> From: "Juan Pablo Lorier" <jplorier at gmail.com>
>>>>>> To: "Yedidyah Bar David" <didi at redhat.com>
>>>>>> Cc: "Sahina Bose" <sabose at redhat.com>, "users" <users at ovirt.org>
>>>>>> Sent: Wednesday, February 12, 2014 7:55:35 PM
>>>>>> Subject: Re: [Users] Problems accesing the database
>>>>>>
>>>>>> Hi Yedidyah,
>>>>>>
>>>>>> But If I run engine-setup and then engine-backup restore shuldn't it
>>>>>> import the data to the existing db created by engine-setup?
>>>>>> That's shown everywhere so I thought it's a valid way to migrate
>>>>> No.
>>>>>
>>>>> There is a specific case in which this works automatically:
>>>>> All on the same host:
>>>>> 1. engine-setup
>>>>> 2. engine-backup --mode=backup
>>>>> (perhaps do other stuff here)
>>>>> 3. engine-cleanup
>>>>> 4. engine-backup --mode=restore
>>>>>
>>>>> Why does this work? Because 'engine-cleanup', since 3.3, does not drop
>>>>> the database nor user inside postgres. So when restore tries to access
>>>>> this database using this user and password it succeeds.
>>>>>
>>>>> In general, if you do the restore on another machine, and do there
>>>>> 'engine-setup; engine-cleanup' as a quick-postgres-provisioning-tool,
>>>>> you end up almost ready, but not quite - because the password is random,
>>>>> and therefore different between the installations. In principle you could
>>>>> have provided just the password to restore, but we decided that if you
>>>>> need to change the credentials, you should pass all of them (except for
>>>>> defaults).
>>>>>
>>>>> Hope this clarifies,
>>>>
>>>> _______________________________________________
>>>> Users mailing list
>>>> Users at ovirt.org
>>>> http://lists.ovirt.org/mailman/listinfo/users
>>>>
>>


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