On Mon, Feb 27, 2023 at 01:26:24AM +0700, Ammar Faizi wrote: > mount -t -o rw btrfs /dev/sda1 a; > mount -t -o rw btrfs /dev/sda2 b; > mount -t -o rw btrfs /dev/sda3 c; > mount -t -o rw btrfs /dev/sda4 d; Excuse the wrong mount commands, should be something like this: mount -t btrfs -o rw /dev/sda1 a; mount -t btrfs -o rw /dev/sda2 b; mount -t btrfs -o rw /dev/sda3 c; mount -t btrfs -o rw /dev/sda4 d; -- Ammar Faizi