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