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5-14 Configuring Physical Drives, Arrays, and Logical Drives
Copyright © 2002 by LSI Logic Corporation. All rights reserved.
Use Table 5.9 to plan the array configuration.
Table 5.9 Array Configuration Planner
# of Drives
Possible
RAID Levels
Relative
Performance
Fault
Tolerance
Effective
Capacity
1 None Excellent No 100%
1 RAID 0 Excellent No 100%
2 None Excellent No 100%
2 RAID 0 Excellent No 100%
2 RAID 1 Good Yes 50%
3 None Excellent No 100%
3 RAID 0 Excellent No 100%
3 RAID 5 Good Yes 67%
4 None Excellent No 100%
4 RAID 0 Excellent No 100%
4 RAID 5 Good Yes 75%
4 RAID 10 Good Yes 50%
5 None Excellent No 100%
5 RAID 0 Excellent No 100%
5 RAID 5 Good Yes 80%
6 None Excellent No 100%
6 RAID 0 Excellent No 100%
6 RAID 5 Good Yes 83%
6 RAID 10 Good Yes 50%
6 RAID 50 Good Yes 67%
7 None Excellent No 100%
7 RAID 0 Excellent No 100%
7 RAID 5 Good Yes 86%
8 None Excellent No 100%