Imagine that the storage system is now configured to contain two 40 GB disks in a RAID
Question:
a. How will the 40 GB of data be allocated across the disks?
Given a random request workload over a total of 40 GB, what is the expected service time of each request?
b. How can queuing theory be used to model this storage system?
c. What is the average utilization of each disk?
d. On average, how much time does each request spend waiting for the disk?
e. What is the mean number of requests in each queue?
f. Finally, what is the average response time for the disk requests?
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a Since the data is striped across the two disks each disk now contains o...View the full answer
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Related Book For
Computer Architecture A Quantitative Approach
ISBN: 978-0123704900
4th edition
Authors: John L. Hennessy, David A. Patterson
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