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Number of identical disk drives

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A disk system is to be constructed using some number of identical disk drives each of which can store up to T terabytes of data.  A large database of size 4×T terabytes is to be stored on the disk system. What is the minimum total number of  disks that would be required for the system if the disk system is a:

  • RAID4 system?
  • RAID5 system?
  • RAID6 system?
  • RAID1 system?
  • RAID0 system?

Reference no: EM131288796

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