Selecting the RAID level by array capacity

Consider this RAID level... If your array has...
RAID 0

One or more hard disk drives in an array.

Notes:

  1. This is the only choice if the array contains only one hard disk drive.
  2. You can select RAID 0 for any logical drive.
RAID 1 Two hard disk drives. The default for two hard disk drives is RAID level-1.
RAID 1 Enhanced Three or more disk drives.
RAID 5 Three or more disk drives.
RAID 5 Enhanced Four or more disk drives.

Note: If you plan to use Change RAID level, you must assign the same RAID level to all logical drives in the array.

See also

Selecting a RAID level (Performance tuning)