If you don't trust btrfs raid it's perfectly possible to run btrfs on top of lvm...

		procaryote 30 days ago \| parent \| context \| favorite \| on: Bcachefs Goes to "Externally Maintained" If you don't trust btrfs raid it's perfectly possible to run btrfs on top of lvm or mdadm raid. Then you have btrfs in a prety happy case single device mode. Also the recovery tooling is more well known and tested