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RAID level 3 supports a lower number of I/Os per second, because _______________

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RAID level 3 supports a lower number of I/Os per second, because _______________

(a) Every disk has to participate in every I/O request

(b) Only one disk participates per I/O request

(c) I/O cycle consumes a lot of CPU time

(d) All of the mentioned

This question was posed to me in final exam.

I would like to ask this question from RAID Structure topic in section Mass-Storage Structures of Operating System

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The correct choice is (a) Every disk has to participate in every I/O request

The explanation: None.

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