LSI MegaRAID SCSI 320-2 RAID Controller Series 518 - Manual (Page 37)

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