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MegaRAID SCSI 320-2 Hardware Guide 3-1
Copyright © 2002 by LSI Logic Corporation. All rights reserved.
Chapter 3
RAID Levels
This chapter describes each supported RAID level and the factors to
consider when choosing a RAID level. It contains the following sections:
• Section 3.1, “Selecting a RAID Level”
• Section 3.2, “RAID 0”
• Section 3.3, “RAID 1”
• Section 3.4, “RAID 5”
• Section 3.5, “RAID 10”
• Section 3.6, “RAID 50”
3.1 Selecting a 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