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Dell-EMC

E20-885 · Question #130

A customer requests a performance review of their EMC VNX before FAST Cache is implemented. You notice a dedicated LUN has a write size of 4 KB, and the disks are performing writes of 8 KB. What is…

The correct answer is A. Coalescing. See the full explanation below for the reasoning.

Question

A customer requests a performance review of their EMC VNX before FAST Cache is implemented. You notice a dedicated LUN has a write size of 4 KB, and the disks are performing writes of 8 KB. What is causing this behavior?

Options

  • ACoalescing
  • BPre-fetching
  • CFlushing
  • DPromotion

How the community answered

(53 responses)
  • A
    81% (43)
  • B
    2% (1)
  • C
    6% (3)
  • D
    11% (6)

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Full E20-885 Practice