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Redundant array of inexpensive disks is a technology that uses multiple hard drives to increase the speed of data transfer and provide instant data backup. Suppose that the probability of any hard drive failing in a day is 0.001 and the drive failures are independent.

a. Raid 0 scheme uses two hard drives, each containing a mirror image of the other. What is the probability of data loss. Assume that the data loss occurs if both drives fail within the same day.

b. Raid 1 scheme splits the data over two hard drives. What is the probability of data loss? Assume that the data loss occurs if at least one drive fails within the same day.

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Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M91015905

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