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- Availability 可用性
- Reliability 可靠性
MTBF(Mean Time Between Failure)与境,即平均無故障時間
MTTR(Mean Time To Repair)桩引,即平均修復(fù)時間
MTTF(Mean Time To Failure)酥宴,即平均失效時間
Availability = UpTime/(UpTime+DownTime) = MTBF / (MTBF + MTTR)- Stability 穩(wěn)定性