Describe feature(s) of the dominant errors of data on magnetic disks. Suppose that RAID5 system has 4 disks labeled as Disk 1, Disk2, Disk3, and Disk4. Let b , b , b , and b be four bits on the same relative locations on Disk 1, Disk2, Disk3, and Disk4 respectively. Suppose that b = b O b Ob. Explain if this mechanism is sufficient for protect against the dominant error of data if we assume that at most one bit of b , b , b , and b can have error. And explain why Hamming code is no needed for this type of error.

Computer Networking: A Top-Down Approach (7th Edition)
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Describe feature(s) of the dominant errors of data on magnetic disks. Suppose that RAID5 system has 4
disks labeled as Disk 1, Disk2, Disk3, and Disk4. Let b , b , b , and b be four bits on the same relative
locations on Disk 1, Disk2, Disk3, and Disk4 respectively. Suppose that b = b O b Ob. Explain if this
mechanism is sufficient for protect against the dominant error of data if we assume that at most one
bit of b, b, b, and b can have error. And explain why Hamming code is no needed for this type of error.
Transcribed Image Text:Describe feature(s) of the dominant errors of data on magnetic disks. Suppose that RAID5 system has 4 disks labeled as Disk 1, Disk2, Disk3, and Disk4. Let b , b , b , and b be four bits on the same relative locations on Disk 1, Disk2, Disk3, and Disk4 respectively. Suppose that b = b O b Ob. Explain if this mechanism is sufficient for protect against the dominant error of data if we assume that at most one bit of b, b, b, and b can have error. And explain why Hamming code is no needed for this type of error.
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