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Storage Networking Fundamentals: An Introduction to Storage Devices, Subsystems, Applications, Management, and Filing Systems by Marc Farley

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Chapter 4

1: Which of the following is not part of a disk drive: platters, arms, controller, or fan?
A1: Answer: Fan
2: What is the flying height of modern disk heads?
A2: Answer: 15 nanometers
3: True or false: The clicking sound coming from disk drives is caused by the head touching the media.
A3: Answer: False. It's the sound of the actuator moving.
4: What does logical block addressing provide?
A4: Answer: Addressing by sector number in a flat address space, as opposed to having to use cylinders, tracks, and sectors
5: Where is disk throughput greater: inside tracks or outside tracks?
A5: Answer: Outside tracks
6: What is MTBF used for?
A6: Answer: MTBFis used to predict the failure rates for many disk drives.
7: True or false: Multiple applications can ...

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