Question: IOPS is an abbreviation for Input Output Operations per Second. The formula for IOPS is: IOPS= 1 / disk service time. For acceptable response time

IOPS is an abbreviation for Input Output Operations per Second. The formula for IOPS is: IOPS= 1 / disk service time.

For acceptable response time the disk controller utilization must be less than 70%. Therefore, the maximum IOPS at 70% utilization is (1 / disk service time) * 0.7.

What is the maximum IOPS at 70% utilization for a disk with a service time of 7 ms?

a. 1000 IOPS

b. 1200 IOPS

c. 1428 IOPS

d. 750 IOPS

Sol53:

To find the maximum IOPS at 70% utilization for a disk with a service time of 7 ms, we can use the formula:

Maximum IOPS = (1 / disk service time) * 0.7

Substituting the given values:

Maximum IOPS = (1 / 0.007) * 0.7 Maximum IOPS = 1000

Therefore, the maximum IOPS at 70% utilization for a disk with a service time of 7 ms is 1000 IOPS. The answer is A.

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