Hi, one of my 3 Cache disks has gone bad and after removing it with help from the FAQ the Pool shows as "Unmountable: No file system". I already tried all the instructions from the FAQ except for BTRFS check --repair. This is the result for trying to mount the file system read only: mount: /cachebackup: wrong fs type, bad option, bad superblock on /dev/mapper/sdc1, missing codepage or helper program, or other error. This is the output for btrfs restore: No valid Btrfs foun