Raid Levels explained

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RAID 3

Provides redundancy by writing all data to three or more drives. This RAID 3 disk array provides excellent storage for video imaging, streaming, publishing applications or any system that requires large file block transfers.


Advantages

  • Single dedicated parity disk
  • High read data rate
  • High write data rate
  • 4 drives minimum
  • No performance degradation if drive fails
  • Best and worst case performance similar

Disadvantages

  • Inefficient with small file transfer

Applications

  • Video Streaming
  • Video Publishing
  • Video Editing
  • Pre Press
  • Image editing
  • Any application that needs heavy updating and large file usage