RAID Levels

RAID Levels

RAID Levels :

The RAID advisory board defines RAID levels and the most common levels are numbered from 0 to 6. Where each level corresponds to a specific type of fault tolerance.

RAID LeveLS Fault Tolerance
Level 0 Striping without parity
Level 1 Mirroring/Duplexing
Level 2 Striping with ECC(Error Correcting Code).
Level 3 Striping with a dedicated parity disk.
Level 4 Independent data disk with shared parity disk.
Level 5 Independent data disk with distributed parity blocks(striping with parity)
Level 6 Second parity.

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