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______________ partitions data and parity among all N+1 disks, instead of storing data in N-disks and parity in one disk.

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______________ partitions data and parity among all N+1 disks, instead of storing data in N-disks and parity in one disk.

(a) Block interleaved parity

(b) Block interleaved distributed parity

(c) Bit parity

(d) Bit interleaved parity

I had been asked this question in my homework.

My question is based upon RAID in division Storage and File Structures of Database Management

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Right answer is (b) Block interleaved distributed parity

The best 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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