3 RAID Levels
There are six official RAID levels (RAID 0 through RAID 5). MegaRAID Express 500 supports RAID levels 0, 1, 3, and 5. American Megatrends has designed three additional RAID levels (10, 30, and 50) that provide additional benefits. The RAID levels that MegaRAID Express 500 supports are:
| RAID Level | Type | turn to |
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| 0 | Standard | page 19 |
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| 1 | Standard | page 20 |
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| 3 | Standard | page 21 |
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| 5 | Standard | page 23 |
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| 10 | MegaRAID Express 500 only | page 24 |
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| 30 | MegaRAID Express 500 only | page 25 |
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| 50 | MegaRAID Express 500 only | page 26 |
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Select RAID Level To ensure the best performance, you should select the optimal RAID level when you create a system drive. The optimal RAID level for your disk array depends on a number of factors:
•the number of drives in the disk array
•the capacity of the drives in the array
•the need for data redundancy
•the disk performance requirements
Selecting a RAID Level The factors you need to consider when selecting a RAID level are listed on the next page.
Chapter 3 RAID Levels | 17 |