For a host like Hetzner, everything except for hardware replacement is up to you. > What happens when storage fail? Are data backupped or it is on me to make t

For a host like Hetzner, everything except for hardware replacement is up to you. > What happens when storage fail? Are data backupped or it is on me to make them? Servers are configured as RAID1 arrays, so after a disk fails you can ask them to replace it for you at a convenient time and no data should be lost. You're 100% responsible for backups, though.