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2V0-622D · Question #30

Examine the LUN properties that are shown in the exhibit. Which action should be taken to utilize all active paths?

The correct answer is D. Change PSP to Round Robin. To utilize all active paths on a LUN, the Path Selection Policy must be set to Round Robin, which actively distributes I/O across every available path simultaneously.

Section 3 – Configure and Administer vSphere 6.5 Storage

Question

Examine the LUN properties that are shown in the exhibit. Which action should be taken to utilize all active paths?

Exhibit

2V0-622D question #30 exhibit

Options

  • AChange PSP to Most Recently Used
  • BNo action required. All paths are already utilized.
  • CChange PSP to Fixed.
  • DChange PSP to Round Robin.

How the community answered

(28 responses)
  • A
    4% (1)
  • B
    11% (3)
  • C
    4% (1)
  • D
    82% (23)

Why each option

To utilize all active paths on a LUN, the Path Selection Policy must be set to Round Robin, which actively distributes I/O across every available path simultaneously.

AChange PSP to Most Recently Used

Most Recently Used PSP only sends I/O down the single most recently active path and does not switch to other paths unless the current one fails, leaving additional active paths idle.

BNo action required. All paths are already utilized.

Without Round Robin configured, the current PSP is only utilizing one preferred path at a time, meaning not all active paths are being used simultaneously.

CChange PSP to Fixed.

Fixed PSP designates one preferred path for all I/O and only fails over to alternate paths when the preferred path is unavailable, leaving all other active paths unused during normal operation.

DChange PSP to Round Robin.Correct

Round Robin PSP cycles I/O requests across all active paths in turn, ensuring every available path carries traffic and maximizing throughput. Unlike other PSPs that designate a single primary path, Round Robin treats all active paths equally and uses them concurrently. This is the only PSP that fully utilizes all active paths as the question requires.

Concept tested: vSphere storage path selection policy configuration

Source: https://docs.vmware.com/en/VMware-vSphere/7.0/com.vmware.vsphere.storage.doc/GUID-DB5BC795-F3C1-4A14-B63A-C2C3AB14B8E7.html

Topics

#PSP#Round Robin#multipathing#active paths

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