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Dell-EMC

E20-885 · Question #188

Refer to the exhibit. A VNX Snapshot is started on a thick LUN at 09:37. The customer wants to know why throughput drops gradually after the 09:49 data point. What should be your explanation?

The correct answer is A. VNX Snapshot and thick LUN slices are some distance apart, increasing disk seeks. See the full explanation below for the reasoning.

Question

Refer to the exhibit. A VNX Snapshot is started on a thick LUN at 09:37. The customer wants to know why throughput drops gradually after the 09:49 data point. What should be your explanation?

Exhibit

E20-885 question #188 exhibit

Options

  • AVNX Snapshot and thick LUN slices are some distance apart, increasing disk seeks.
  • BAdditional Reserved LUNs are being allocated to the thick LUN.
  • CThe rate of thick LUN conversion to a thin LUN is slowing down.
  • DVNX Snapshot blocks on the thick LUN are being migrated, then compressed.

How the community answered

(48 responses)
  • A
    83% (40)
  • B
    8% (4)
  • C
    6% (3)
  • D
    2% (1)

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