RAID is primarily about redundancy and speed, not really end-to-end integrity. (Though some setups will certainly have some measures against corruption.) ZFS i

RAID is primarily about redundancy and speed, not really end-to-end integrity. (Though some setups will certainly have some measures against corruption.) ZFS is really designed for end-to-end integrity. Once you're stored data on ZFS, you're basically guaranteed that you'll always get the exact same thing back (or an error)... no matter where in the "chain" of I/O the failure occurred.