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Consider a RAID level 4 scheme with 4 data disks and 1 redundant disk. Assume that each block is 1 byte. For each of
Consider a RAID level 4 scheme with 4 data disks and 1 redundant disk. Assume that each block is 1 byte. For each of the following cases, show the content of the block of the redundant disk if the corresponding blocks of the data disks are: (a) 01010110, 11000000, 00110011, and 11110011. (b) 11110000, 11111100, 00111111, and 10000001. Now suppose the first block in each of the above cases is changed to 10101100. What changes must be made to the other disks?
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The RAID 4 operation relies on using striping with a dedicated parity disk Parity information is used to provide fault tolerance Typically RAID 4 uses ...
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Value at Risk The New Benchmark for Managing Financial Risk
Authors: Philippe Jorion
3rd edition
0070700427, 71464956, 978-0071464956
