Question
What is RAID? What are the different RAID levels?
Answers
RAID stands for Redundant Array of Independent Disks. It is used to store the same data redundantly to improve the overall performance.
Following are the different RAID levels:
RAID 0 - Stripped Disk Array without fault tolerance
RAID 1 - Mirroring and duplexing
RAID 2 - Memory-style error-correcting codes
RAID 3 - Bit-interleaved Parity
RAID 4 - Block-interleaved Parity
RAID 5 - Block-interleaved distributed Parity
RAID 6 - P+Q Redundancy   Your Comment




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