zfs & btrfs are ROW not COW – redirect-on-write, not copy-on-write
Looking at these articles we see that ZFS and BTRFS are both ROW (Redirect on write) and not COW (copy on write). * Difference between ROW and COW: http://community.netapp.com/t5/Technology/Are-All-Snapshots-Created-Equal/ba-p/83211 <== must readRead More…