The sorry state of CoW file systems

I'd like to argue that both ZFS and BTRFS both are incomplete file systems with their own drawbacks and that it may still be a long way off before we have something truly great. Both ZFS and BTRFS are two heroic feats of engineering, created by people who are probably ten times more capable and smarter than me. There is no question about my appreciation for these file systems and what they accompl

[fcicq]

btrfs supports RAID 6, 2 parity drives only. zfs needs 2^n + R drives to be optimal. patch by snapraid author: https://lwn.net/Articles/588106/ https://patchwork.kernel.org/patch/3711921/ (941/911)