Instruction Manual

User Guide Page vi
5. RAID Overview .............................................................................................................. 5-1
5.1
How RAID Works .................................................................................................... 5-1
5.2
Data Storage Methods .......................................................................................... 5-1
5.2.1 Data Striping ............................................................................................................................. 5-1
5.2.2
Data Mirroring .......................................................................................................................... 5-1
5.2.3
Data Parity ................................................................................................................................ 5-2
5.3 RAID Levels ............................................................................................................. 5-2
5.3.1 RAID 0: Striping ......................................................................................................................... 5-2
5.3.2
RAID 1: Mirroring ....................................................................................................................... 5-2
5.3.3
RAID 5: Independent data disks with distributed parity ................................................... 5-2
5.3.4
RAID 6: Independent data disks with two Independent parity schemes .................... 5-2
5.3.5
RAID 0+1: Striped set with Mirroring ...................................................................................... 5-3