Changing the Data Folder after Installation is not supported. Just today i stumbled upon the same question, and somebody explained why this is especially true when moving the Primary Storage to S3. There is a procedure to do this on a fresh install to follow, but sadly i can not find the thread at the moment. Try the search function youself, in the meantime i give you this Link:
There should be some Note in the Documentation, that you cannot change this after intial setup written in big fat neon letters.