Btrfs Will Finally "Strongly Discourage" You When Creating RAID5 / RAID6 Arrays
For a number of years it has been known that the Btrfs RAID5 and RAID6 code is potentially unsafe and not nearly as mature as the native RAID support found in this Linux file-system for other levels. Finally now we are seeing the Btrfs user-space programs warn the user when attempting to create such Btrfs native RAID 5/6 configurations...