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RAID 5 Striping with Interspersed Parity
Logical Drive
Block 1
Block 2
Block 3
Block 4
Block 5
Block 6
Block 7
Block 8
.
.
Minimum Disks required
Capacity
Redundancy
RAID 5 is similar to RAID 3 but the parity data is not stored in one
dedicated hard drive. Parity information is interspersed across the
drive array. In the event of a failure, the controller can
recover/regenerate the lost data of the failed drive from the other
surviving drives.
Chapter 3 Functional Descriptions
Physical Disks
Striping + non-dedicated Parity
Block 1
Block 2
Parity (1,2)
Parity (3,4)
Block 3
Block 4
Block 6
Parity (5,6)
Block 5
Block 7
Block 8
Parity (7,8)
.
.
.
.
.
.
RAID 5
3
N-1
Yes
13
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