Mean Time Between Failures, MTBF
Version 1.0.0 · Updated 2026-07-30
CORE DEFINITION
A metric that measures the reliability of a repairable product (such as a hard drive or server), i.e., the average working time between two failures.
SCAFFOLDING EFFECT
Reduce cognitive load
Quantify the expected lifespan of a system. In personal energy management or interpersonal relationships, do not expect "never making mistakes," but calculate MTBF. If you know that a partner's MTBF is 3 months (they go crazy every 3 months), you will not be surprised when they go crazy, but design a redundancy plan in advance.
Anchor fast decisions
Mean Time Between Failures (MTBF) is a common reliability metric: the average working time between two failures of a repairable system. The higher the MTBF, the more reliable the system. It is often used with MTTR to assess availability.
MINIMUM ACTION
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- zh.wikipedia.orghttps://zh.wikipedia.org/wiki/%E5%B9%B3%E5%9D%87%E6%95%85%E9%9A%9C%E9%96%93%E9%9A%94verified
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