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RAID- Redundant Array of Independent Disks

  1.  RAID is used as a term for computer data storage schemes that can divide and replocate data among multiple physical drives
  2. The physical drives are said to be in a RAID which is accessed by the operating system as one single drive
  3. The different schemes are named by the word RAID followed by number (RAID 0, RAID 1)
  4. Each scheme provides a different balance between two key goals
  5. Increase data reliability and increase input/output performance

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