5.13 Mean time between failures (MTBF), mean time to replacement (MTTR). and mean time to failure (MTTF) are useful metr

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5 13 Mean Time Between Failures Mtbf Mean Time To Replacement Mttr And Mean Time To Failure Mttf Are Useful Metr 1 (30.07 KiB) Viewed 49 times

5.13 Mean time between failures (MTBF), mean time to replacement (MTTR). and mean time to failure (MTTF) are useful metrics for evaluating the reliability and availability of a storage resource. Explore these concepts by answering the questions about a device with the following metrics: MTTF MTTR 3 Years 1 Day 5.13.1 [5] <$5.5> Calculate the MTBF for such a device. 5.13.2 [5] <$5.5> Calculate the availability for such a device. 5.13.3 [5] <$5.5> What happens to availability as the MTTR approaches 0? Is this a realistic situation? 5.13.4 [5] <$5.5> What happens to availability as the MTTR gets very high, i.e., a device is difficult to repair? Does this imply the device has low availability?