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Chapter 17. RAID

Objectives

  • Explain the concept of RAID
  • Summarize RAID levels
  • Configure RAID
  • Monitor RAID devices
  • Use hot spares

RAID

Stands for Redundancy Array of Indenpendent Disks, its objective is to span a filesystem over several physical disks (partitions). It allows the increase I/O performance and reliability

Raid can be implemented at these levels

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