LSI MegaRAID SCSI 320-2 RAID Controller Series 518 Hardware Manual page 71

Use Table 5.9 to plan the array configuration.
Table 5.9 Array Configuration Planner
Possible
# of Drives RAID Levels
1 RAID 0
2 RAID 0
2 RAID 1
3 RAID 0
3 RAID 5
4 RAID 0
4 RAID 5
4 RAID 10
5 RAID 0
5 RAID 5
6 RAID 0
6 RAID 5
6 RAID 10
6 RAID 50
7 RAID 0
7 RAID 5
8 RAID 0
8 RAID 5
8 RAID 10
8 RAID 50
Planning the Array Configuration
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Relative Fault
Performance Tolerance
Excellent
Excellent
Good Yes
Excellent
Good Yes
Excellent
Good Yes
Excellent Yes
Excellent
Good Yes
Excellent
Good Yes
Excellent Yes
Good Yes
Excellent
Good Yes
Excellent
Good Yes
Excellent Yes
Good Yes
Effective
Capacity
No 100%
No 100%
50%
No 100%
67%
No 100%
75%
50%
No 100%
80%
No 100%
83%
50%
67%
No 100%
86%
No 100%
87%
50%
75%
5-15