📝 Question
#1385
______________ which increases the number of I/O operations needed to write a single logical block, pays a significant time penalty in terms of write performance.
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Correct Answer
A. RAID level 1
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Explanation
In level 5, all disks can participate in satisfying read requests, unlike RAID level 4, where the parity disk cannot participate, so level 5 increases the total number of requests that can be met in a given amount of time.
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