¿Por qué necesito un almacenamiento en bloque?

Thank you so much for your response! It’s very helpful.

Can I clarify

#1) Why is a block storage recommended? I don’t understand.
2) it easy to move to another block storage in Amazon S3/move back to core server? (because the URLs…)
3) how to manage Discourse files? Is it through File Manager or something?
5) Just saying, Discourse seems to be a very cool forum software. The engineers here seem to be very responsive and positive to feedback and over the course of years have implemented a lot of wanted features. This forum seems to be more powerful than XenForo/IP.Board/vBulletin…