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 | 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% |
|
|
|
|
|
|
Configuring Physical Drives, Arrays, and Logical Drives |
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Copyright © 2002 by LSI Logic Corporation. All rights reserved.