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D-ISM-FN-01 · Question #632

A company plans to deploy a new application in their environment. The new application requires 2 TB of storage space. During peak workloads, the application is expected to generate 4500 IOPS with a…

The correct answer is C. 50. See the full explanation below for the reasoning.

Storage System Environment

Question

A company plans to deploy a new application in their environment. The new application requires 2 TB of storage space. During peak workloads, the application is expected to generate 4500 IOPS with a typical I/O size of 4 KB. The capacity of each available disk drive is 250 GB. In addition, the maximum number of IOPS a drive can perform at with a 70% utilization is 90 IOPS. What is the minimum number of disk drives needed to meet the application's capacity and performance requirements for a RAID 0 configuration?

Options

  • A8
  • B40
  • C50
  • D70

How the community answered

(41 responses)
  • A
    12% (5)
  • B
    2% (1)
  • C
    78% (32)
  • D
    7% (3)

Topics

#RAID 0#IOPS calculation#capacity planning#disk drives

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