If a system contains 1,000 disk drives, and each of them has a 800,000 hour MTBF, how often a drive failure will occur in that disk system? Could you give some idea to improve that? And why will your idea work?

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The Answer of If a system contains 1,000 disk drives, and each of them has a 800,000 hour MTBF, how often a drive failure will occur in that disk system? Could you give some idea to improve that? And why will your idea work?

If a System Contains 1,000 Disk Drives, and Each of Them