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 timeThis 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

Which of the following is a measure of reliability of a disk?(a) Seek

1.	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 timeThis 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
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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