Sames.

I've never heard of the 2 options in #1. Looks very interesting. How do you manage all your data/backups? With a synology or something else, own source diy?

I just got it all up and running again on a new server, and haven't configured backup yet. Typically cronjob rsync daily for critical data, and full-disk backup every few months by rebooting to a live-disk and cloning the drives with pv. I don't use closed source solutions like synology.