uppose a given server computer has a distributed file system

Computer Networking: A Top-Down Approach (7th Edition)
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Author:James Kurose, Keith Ross
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Chapter1: Computer Networks And The Internet
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Suppose a given server computer has a distributed file system on 3 disk drives. The
distribution is for speed, not redundancy, so if any one of the three disk drives fails, the
computer fails as a whole - it cannot serve any requests. Now suppose that that the
MTTF for each of the 3 individual disk drives is 1 year. What is the MTTF of the disk drive
subsystem consisting of the three drives working together. There is no other hardware
in the subsystem except the three disk drives.
Transcribed Image Text:Suppose a given server computer has a distributed file system on 3 disk drives. The distribution is for speed, not redundancy, so if any one of the three disk drives fails, the computer fails as a whole - it cannot serve any requests. Now suppose that that the MTTF for each of the 3 individual disk drives is 1 year. What is the MTTF of the disk drive subsystem consisting of the three drives working together. There is no other hardware in the subsystem except the three disk drives.
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