RAID 5 | Striping with Distributed Parity

RAID Level 5

RAID Level 5 – (3 Drive Minimum - Redundancy Through Parity) Block-Level Striping with Distributed Parity: RAID 5 combines the increased speed of striping with redundancy through distributed parity. In RAID 5 one drive out of the array will always be sacrificed to achieve redundancy. In other words, when there are three 100 gigabyte drives present in a RAID five, the array will be 200 gigabytes in size. However, by using distributed parity, the redundancy is spread across the entire array. Therefore, if any one drive in a RAID 5 fails, data integrity is maintained and an opportunity exists to replace the failed device and rebuild the array.

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