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Dell-EMC

E20-880 · Question #132

A customer has an application that uses a dataset of 20 TB. The skew for the application is 97%. The application requires storage capable of performing 13,000 IOPs. The application R/W ratio is 3:1…

The correct answer is A. 5x 200 GB FAST Cache optimized Flash configured 4+1 R5. See the full explanation below for the reasoning.

Question

A customer has an application that uses a dataset of 20 TB. The skew for the application is 97%. The application requires storage capable of performing 13,000 IOPs. The application R/W ratio is 3:1 The VNX system for the application has the following disk configuration:

  • Ten FAST Cache optimized 200 GB Flash drives
  • Ten FAST VP optimized 100 GB Flash drives
  • Twenty 600 GB 15 krpm SAS drives
  • Fifty 2 TB NL-SAS drives

The customer wants to implement the most efficient solution. How should the pool for the application be configured?

Options

  • A5x 200 GB FAST Cache optimized Flash configured 4+1 R5
  • B5x 200 GB FAST Cache optimized Flash configured 4+1 R5
  • C10x 100 GB FAST VP optimized Flash configured 4+1 R5
  • D5x 100 GB FAST VP optimized Flash configured 4+1 R5

How the community answered

(29 responses)
  • A
    69% (20)
  • B
    10% (3)
  • C
    17% (5)
  • D
    3% (1)

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