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Dell-EMC

E20-816 · Question #79

During a Symmetrix VMAX performance analysis, you notice that a collection of VMAX devices has front-end I/O rates that are much higher than the back-end I/O rates. What might be the reason for this?

The correct answer is C. Workload has a high percentage of read hits. See the full explanation below for the reasoning.

Question

During a Symmetrix VMAX performance analysis, you notice that a collection of VMAX devices has front-end I/O rates that are much higher than the back-end I/O rates. What might be the reason for this?

Options

  • ADevices are RAID 5 protected.
  • BWorkload has a high percentage of writes.
  • CWorkload has a high percentage of read hits.
  • DDevices are replicated with TimeFinder/Clone

How the community answered

(34 responses)
  • A
    6% (2)
  • B
    3% (1)
  • C
    79% (27)
  • D
    12% (4)

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