4-40 Configuring Your ServerRAID LevelsCharacteristics of RAID LevelsThe table below lists the characteristics of the RAID levels.Level Function Redundancy CharacteristicsRAID0 Striping No • Data read/write at the highest rate• Largest capacity• Capacity: (capacity of single hard diskdrive) × (number of hard disk drives)RAID1 Mirroring Yes • Two hard disk drives required• Capacity: capacity of single hard diskdriveRAID5 Striping of both dataand redundant dataYes • Three or more hard disk drives required• Capacity: (capacity of single hard diskdrive) × ((number of hard disk drives) -1)RAID6 Striping of both dataand redundant dataYes • Three or more hard disk drives required• Capacity: (capacity of single hard diskdrive) × ((number of hard disk drives) -2)RAID10 Striping of RAID1 Yes • Four or more hard disk drives required• Capacity: (capacity of single hard diskdrive) × ((number of hard disk drives) -2)RAID50 Striping of RAID5 Yes • Six or more hard disk drives required• Capacity: (capacity of single hard diskdrive) × ((number of hard disk drives) -2)
