Question: Consider a disk I/O system in which an I/O request arrives at the rate of 80 IOPS. The disk service time is 6 ms. a.

Consider a disk I/O system in which an I/O request arrives at the rate of 80 IOPS. The disk service time is 6 ms.

a. Compute the following:

Utilization of I/O controller Total response time Average queue size Total time spent by a request in a queue

b. Compute the preceding parameter if the service time is halved.

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