Comment by ryao
Btrfs did not support that until Linux 5.5 when it added RAID1c3. On its mirror devices instead of doing mirroring, it just stores 2 copies, no matter how many mirror members you have.
Btrfs did not support that until Linux 5.5 when it added RAID1c3. On its mirror devices instead of doing mirroring, it just stores 2 copies, no matter how many mirror members you have.