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RAID Level 3 : Parallel Transfer with Parity



The data block is subdivided ("striped") and written on the data disks. Stripe parity is generated on Writes, recorded on the parity disk and checked on Reads.

RAID Level 3 requires a minimum of 3 drives to implement










Characteristics & Advantages
Very high Read data transfer rate

Very high Write data transfer rate

Disk failure has an insignificant impact on throughput

Low ratio of ECC (Parity) disks to data disks means high efficiency






Disadvantages
Transaction rate equal to that of a single disk drive at best (if spindles are synchronized)

Controller design is fairly complex

Very difficult and resource intensive to do as a "software" RAID








Recommended Applications
  • Video Production and live streaming
  • Image Editing
  • Video Editing
  • Prepress Applications
  • Any application requiring high throughput







    		• Recommended RAID Products
    JetStor SATA 416S
    JetStor SATA 412S
    JetStor SATA 416F





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