Question: how long it takes to perform a small workload consisting of 12 read/writes to random locations within a RAID. Assume that these random read/writes

how long it takes to perform a small workload consisting of 12 read/writes to random locations within a RAID.

how long it takes to perform a small workload consisting of 12 read/writes to random locations within a RAID. Assume that these random read/writes are spread "evenly" across the disks of the RAID. To begin with, assume a simple disk model where each read or write takes D time units. Show your work. a. Assume we have a 4-disk RAID-0 (striping). How long does it take to complete the 12 writes? b. How long on a 4-disk RAID-1 (mirroring) with 12 writes? c. How long on a 4-disk RAID-4 (parity) with 12 writes?

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