User manual

INTRODUCTION

computation on overlapping subsets of the data. The RAID 6 can

offer fault tolerance greater that RAID 1 or RAID 5 but only con-

sumes the capacity of 2 disk drives for distributed parity data.

RAID 6 is an extension of RAID 5 that uses a second independent

distributed parity scheme. Data is striped on a block level across a

set of drives, and then a second set of parity is calculated and writ-

ten across all of the drives.