“Mirroring” Data is written to a disk or volume and then copied to another disk or volume. Slows down performance slightly with fault tolerance. (up to one drive failure)

“Mirroring” Data is written to a disk or volume and then copied to another disk or volume. Slows down performance slightly with fault tolerance. (up to one drive failure)

“Striping with Parity” Data is written to 3 or more disk with Parity. Improves performance over RAID 1 with fault tolerance. (up to one drive failure)