Raid 3 Disk Striping With Dedicated Parity Disk - Acer AcerAltos 3102RS User Manual

RAID 3 Disk Striping with Dedicated Parity Disk

Logical Drive
Block 1
Block 2
Block 3
Block 4
Block 5
Block 6
Block 7
Block 8
.
.
Minimum Disks required
Capacity
Redundancy
RAID 3 performs Block Striping with Dedicated Parity. One drive
member is dedicated to storing the parity data. When a drive member
fails, the controller can recover/regenerate the lost data of the failed
drive from the dedicated parity drive.
12
Physical Disks
Dedicated
Parity
Striping
Block 1 Block 2 Parity (1,2)
Block 3 Block 4 Parity (3,4)
Block 5 Block 6 Parity (5,6)
Block 7 Block 8 Parity (7,8)
. . .
. . .
RAID 3
3
N-1
Yes
User's Guide