Definition: MTBF (Mean Time Between Failure)


A measure of reliability. The MTBF is the number of failures divided by the number of hours the component has operated. The longer the time span between failures, the more reliable the device.




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Data Recovery Fact

G-List

Growing Defect List. List of blocks/sector of a disk that has become defective during the lifetime of the disk. The list is updated by the drive itself and stored internally on the disk. The information in this list may indicate the current state of the drive. Many entries in the G-List may indicate an early stat of a head crash.

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