Answer Posted / monal

RAID: For FUN it is called Redundant Array of INEXPENSIVE
Disks.
In Reality it is called Redundant Array of Independent Disks.
Following 3 are most popular and still in use in different ways.
1. RAID 0: Disk Striping
2. RAID 1: Disk Mirroring
3. RAID 5: Disk Striping with Parity Bit.

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