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Dell-EMC

E20-880 · Question #70

Your customer has LUNs with a total size of 20,000 GiB. The total I/O load is 15,000 IOPS, with a 4:1 R/W ratio. Analysis of your customer's data indicates that data skew is 90%. RAID 5 is used…

The correct answer is B. 15. See the full explanation below for the reasoning.

Question

Your customer has LUNs with a total size of 20,000 GiB. The total I/O load is 15,000 IOPS, with a 4:1 R/W ratio. Analysis of your customer's data indicates that data skew is 90%. RAID 5 is used exclusively in the environment. How many 200 GB Flash drives would be needed to handle the load of the working data set?

Options

  • A10
  • B15
  • C20
  • D25

How the community answered

(34 responses)
  • A
    9% (3)
  • B
    71% (24)
  • C
    6% (2)
  • D
    15% (5)

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