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What does 'RAID' stand for in storage systems and what does RAID 5 specifically provide?

Q: Answer-What does 'RAID' stand for in storage systems and what does RAID 5 specifically provide?

RAID 5 stripes data and parity information across a minimum of 3 disks. Parity is distributed not on a dedicated drive, allowing any single disk to fail without data loss.The failed disks data can be reconstructed from parity. RAID 0 striping only speed, no redundancy. RAID 1 mirroring two copies. RAID 6 two parity blocks tolerates two failures. Banks use RAID for high-availability storage in core banking servers.

A Redundant Array of Independent Disks — RAID 5 uses mirroring across 2 disks allowing redundancy of data

B Redundant Array of Independent Disks — RAID 5 uses striping with distributed parity, tolerating one disk failure

C Rapid Access of Integrated Data — RAID 5 provides full disk backup so that system can be fault tolerant

D Redundant Array of Integrated Drives — RAID 5 uses striping without redundancy for maximum speed

E Reliable Access of Independent Data — RAID 5 requires a minimum of 6 disks

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