Question
A data storage system consists of 3 disk drives sharing a common queue. An average of 50 storage requests arrives per second. The average time
A data storage system consists of 3 disk drives sharing a common queue. An average of 50 storage requests arrives per second. The average time required to service a request is .03 second. Assuming that inter arrival times and service times are exponential, determine:
The probability that no disk drives are busy.
The probability that a job will have to wait.
The average number of jobs present in the storage system.
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Computer Architecture A Quantitative Approach
Authors: John L. Hennessy, David A. Patterson
4th edition
123704901, 978-0123704900
