Raid Levels explained

TopRaid 0Raid 1Raid 3Raid 5Raid 10Raid 0+1


RAID 10

Provides very high performance and redundancy. Datais simultaneously mirrored and striped. Can under circumstancessupport 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