Raid Levels explained

Top Raid 0 Raid 1 Raid 3 Raid 5 Raid 10 Raid 0+1


RAID 10

Provides very high performance and redundancy. Data is simultaneously mirrored and striped. Can under circumstances support multiple drive failures.


Advantages

  • Highly fault tolerant
  • High data availability
  • Very good read / write performance

Disadvantages

  • Very expensive
  • Drive spindles must be synchronised
  • Not very scaleable

Applications

  • Where high performance and redundancy are critical