Just to make it clear: on raid 5/6 parity isn't checked on reads, so to get your "right thing when repairing/checking/scrubbing data" you'd have to do a full pa

Just to make it clear: on raid 5/6 parity isn't checked on reads, so to get your "right thing when repairing/checking/scrubbing data" you'd have to do a full parity rebuild. This isn't anything like what ZFS does.