| Level | Minimum Disk Req. | Performance | Redundancy | Suggestions |
| 0 | 2 | Excellent | None | Not recommended for critical systems |
| 1 | 2 | Good | Excellent | |
| 5 | 3 | Good | Good | Best cost effective option providing both performance and redundancy. Use this for DB that is heavily read oriented. Write operations will be slow. |
| 10 | 4 | Excellent | Excellent | If you can afford the dollar, this is the BEST option for any mission critical applications (especially databases). |
Ref: http://www.thegeekstuff.com/2010/08/raid-levels-tutorial/
