| 組態 | 讀取 | 寫入 | 容量(%) | 讀取(%) | 讀取/碟(%) | 讀損失(%) | 寫入(%) | 寫入/碟(%) | 寫損失(%) | FT | MTBF(%) | RF |
| 1X Single | 65.4 MB/sec | 64.1 MB/sec | 100% | 100% | 100% | 0% | 100% | 100% | 0% | 0 | 100% | 1 |
| 2X RAID0 | 124.3 MB/sec | 113.8 MB/sec | 100% |
190% | 95% | 5% | 178% | 89% | 11% | 0 | 50% | 2 |
| 3X RAID0 | 184.4 MB/sec | 175.4 MB/sec | 100% |
282% | 94% | 6% | 274% | 91% | 9% | 0 | 33% | 3 |
| 3X RAID5 | 121.2 MB/sec | 76.6 MB/sec | 67% |
185% | 62% | 38% | 120% | 40% | 60% | 1 | 150% | 0.67 |
| 4X RAID0 | 240 MB/sec | 240.4 MB/sec | 100% | 367% | 92% | 8% |
375% | 94% | 6% | 0 | 25% | 4 |
| 4X RAID5 | 179.7 MB/sec | 114.8 MB/sec | 75% | 275% | 69% | 31% | 179% | 45% | 55% | 1 | 133% | 0.75 |
| 4X RAID10 | 119.6 MB/sec | 112.7 MB/sec | 50% | 183% | 46% | 54% | 176% | 44% | 56% | 1.66 | 183% | 0.55 |
*1: 因各種量測誤差, 數據無法保證完全正確.
*2: 各項評估值僅供參考. 於正式文件中引用本文評估數據者, 風險自負.
補充說明:
FT=>允許損失的硬碟數。數值表示在不產生資料損失的狀況下, 允許損失的硬碟數(機率總和)。
MTBF=>平均故障時間。數值表示與單顆硬碟相較, 不產生資料損失的狀況下, 磁碟陣列的MTBF(效能損失不計)。
RF=>風險因數。數值表示與單顆硬碟相較, 發生資料損失的風險機率的倍數, 與MTBF(%)互為倒數。
WD5000AAKS - 基準值
2X-RAID0
3X-RAID0
3X-RAID5
4X-RAID0
4X-RAID5
4X-RAID10
