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| Availability Requirement | Acceptable Downtime | Critical Success Factor |
| 6 x16 | All day Sunday and 8/hours/night | Acceptable function and performance |
| 96%; 7x24 | 14.6 days a year | Online archiving |
| 98%; 7x24 | 7.3 days/year | 99% proacion |
| 99%; 7x24 | 3.7 days/year | Staged upgrades |
| 99.5%; 7x24 | 1.8 days/year | High-availability cluster |
| 99.8%; 7x24 | 17.5 hours/year | Off-site redundant-everything |
| 99.97%; 7x24 | 2.5 hours/year | Auto-failover |
| 99.995%; 7x24 | 0.5 hours/year | Instant online expert readiness, standy database or geo mirroring |
| Database Size (GB) | Number of Disks | MTTF (hours) | Failure Frequency (days) |
| 16 | 8 | 12,500 | 520.83 |
| 64 | 32 | 3,125 | 130.21 |
| 128 | 64 | 1,563 | 65.10 |
| 256 | 128 | 781 | 32.55 |
| 512 | 256 | 391 | 16.28 |
| 1,024 | 512 | 195 | 8.14 |
| 2,048 | 1,024 | 98 | 4.07 |
| 4,096 | 2,048 | 49 | 2.03 |
