As everything was clarified and should be clear, I will try to use this thread to ask one off-topic question to all of you:
We all are doing backus, snapshots, migrate exports, save configuration to the file...
Do you really TEST them ? To restore backup, snapshot, migrate import, load configuration ?
I mean, we are all paranoid in case of failure - thats the case we are doing these backup things...
But what in case we really need to perform rollback ? Are you periodically testing backup methods in PRODUCTION ?
Are we 100% sure that we can rely on these backup methods in production and are we sure they will be restored successfully ?