A program repeatedly perform the 3steps process: it reads a 4KB block of data from disk, does some processing on the data and then writes out the results as another 4KB block elsewhere on the disk. Each block is contiguous and randomly located on a single track on the disk. The disk drive rotates at 10000RPM, has an average seek time of 8ms, and has a transfer rate of 50MB/sec. The controller overhead is 2ms. The processing step tales 20million clock cycles and the clock rate is5 GHz. What is the overall speed of the system in blocks processed per second?

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Parallel and Distributed Storage

A parallel storage file system is a sort of clustered file system. A clustered file system is a storage system shared by multiple devices simultaneously.