Efficient Cache Utilization of Disk Array Failures

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Provided by: International Journal of Innovative Research in Science, Engineering and Technology (IJIRSET)
Topic: Software
Format: PDF
Cache memory plays an important role in computer architecture. The cache memory is the smallest and fastest memory, which reduces the average access to the storage device i.e. the RAID device. The existing cache replacement algorithms work effectively in fault free mode, but with poor performance. When one disk in the disk array fails, the request to the faulty disk is directed to the other non-faulty disks in the RAID disk to reconstruct the lost data. This increases the number of requests to the non-faulty disk.
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