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Hardware RAID implementations permit _________ that is, faulty disks can be removed and replaced by new ones without turning power off.

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Hardware RAID implementations permit _________ that is, faulty disks can be removed and replaced by new ones without turning power off.

(a) Scrapping

(b) Swapping

(c) Hot swapping

(d) None of the mentioned

I had been asked this question in an interview for job.

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

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Best answer
The correct option is (c) Hot swapping

The best explanation: Hot

swapping reduces the mean time to repair since replacement of a disk does not have to wait until a time when the system can be shut down.

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