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Dell-EMC

E20-324 · Question #215

A customer plans to use MirrorView/S as their DR solution. They have 10 TB of data to protect, and are concerned about the performance impact of MirrorView/S on their production data. Their…

The correct answer is A. 40 RAID 5 LUNs of 256 GB each. See the full explanation below for the reasoning.

Question

A customer plans to use MirrorView/S as their DR solution. They have 10 TB of data to protect, and are concerned about the performance impact of MirrorView/S on their production data. Their application generates 8 kB I/Os which are 25% writes, and 256 kB I/Os which are 95% reads. They are also concerned about the consequences of an accidental fracture on their environment. How should they configure their data LUNs?

Options

  • A40 RAID 5 LUNs of 256 GB each
  • B80 RAID 5 LUNs of 128 GB each
  • C10 RAID 1/0 LUNs of 1 TB each
  • D1 RAID 1/0 LUN of 10 TB

How the community answered

(48 responses)
  • A
    71% (34)
  • B
    17% (8)
  • C
    8% (4)
  • D
    4% (2)

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