系统内冗余或重复数据的度量，表明存储和潜在性能问题效率低下。
1 PO = 0.65 PB
1 PB = 1.538 PO
例子:
将15 协议高架冗余转换为奇偶校验的冗余：
15 PO = 9.75 PB
| 协议高架冗余 | 奇偶校验的冗余 |
|---|---|
| 0.01 PO | 0.007 PB |
| 0.1 PO | 0.065 PB |
| 1 PO | 0.65 PB |
| 2 PO | 1.3 PB |
| 3 PO | 1.95 PB |
| 5 PO | 3.25 PB |
| 10 PO | 6.5 PB |
| 20 PO | 13 PB |
| 30 PO | 19.5 PB |
| 40 PO | 26 PB |
| 50 PO | 32.5 PB |
| 60 PO | 39 PB |
| 70 PO | 45.5 PB |
| 80 PO | 52 PB |
| 90 PO | 58.5 PB |
| 100 PO | 65 PB |
| 250 PO | 162.5 PB |
| 500 PO | 325 PB |
| 750 PO | 487.5 PB |
| 1000 PO | 650 PB |
| 10000 PO | 6,500 PB |
| 100000 PO | 65,000 PB |
规则