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Which of the following is a measure of reliability of a disk?

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+1 vote
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in RDBMS by (118k points)
Which of the following is a measure of reliability of a disk?

(a) Seek time

(b) Average latency time

(c) Mean time to failure

(d) Average seek time

This question was posed to me in a job interview.

This interesting question is from Magnetic Disk and Flash Storage in section Storage and File Structure of RDBMS

1 Answer

+1 vote
by (332k points)
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Best answer
Right choice is (c) Mean time to failure

To elaborate: The mean time to failure is the measure of the reliability of a disk. It gives the mean of the times that most disks last.

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