Which is likely to be the fastest storage profile for random disk IOPS?

Which is likely to be the fastest storage profile for random disk IOPS?

A.
RAID-Z1: single parity RAID

B.
RAID-Z2: double parity RAID

C.
RAID-Z3: triple parity RAID

D.
RAID-ZR: random parity RAID

E.
mirroring

Explanation: