Assume we are configuring a Sun Fire x4150 server as described in Section 6.10. Determine if a configuration of 8 disks presents an I/O bottleneck. Repeat for configurations of 16, 4, and 2 disks.

The emergence of web servers for ecommerce, online storage, and communication has made disk servers critical applications. Availability and speed are well-known metrics for disk servers, but power consumption is becoming increasingly important. Answer the questions about configuration and evaluation of disk servers with the following parameters.

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a. b. Program Instructions/ 1/0 Operation 100,000 200,000 OS Instructions/ 1/0 Operation 150,000 200,000 Workload (KB reads) 64 128 Processor Speed (Instructions/ Second) 2 Billion. 3 Billion