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2V0-622 · Question #521

What are two valid reasons for a DRS recommendation in a vSphere DRS cluster? (Choose two.)

The correct answer is A. ESXi host entering maintenance mode C. satisfy an affinity rule. DRS generates recommendations based on resource imbalance, maintenance mode events, and rule compliance - not for HA admission control or VM startup order.

Section 5 – Administer and Protect vSphere 6.5 Resources

Question

What are two valid reasons for a DRS recommendation in a vSphere DRS cluster? (Choose two.)

Options

  • AESXi host entering maintenance mode
  • Bsatisfy vSphere HA admission control
  • Csatisfy an affinity rule
  • Dsatisfy VM startup/shutdown order

How the community answered

(56 responses)
  • A
    75% (42)
  • B
    9% (5)
  • D
    16% (9)

Why each option

DRS generates recommendations based on resource imbalance, maintenance mode events, and rule compliance - not for HA admission control or VM startup order.

AESXi host entering maintenance modeCorrect

When an ESXi host enters maintenance mode, DRS generates vMotion recommendations to migrate all running VMs off that host so it can safely enter the maintenance state without workload interruption.

Bsatisfy vSphere HA admission control

vSphere HA admission control is enforced independently by the HA subsystem to reserve failover capacity; DRS does not generate recommendations to satisfy or adjust HA admission control policies.

Csatisfy an affinity ruleCorrect

DRS continuously evaluates affinity and anti-affinity rules and generates recommendations or performs automated migrations to ensure VMs remain compliant with those configured placement rules.

Dsatisfy VM startup/shutdown order

VM startup and shutdown order is defined through vApp dependency settings and is orchestrated separately from DRS; DRS has no awareness of or role in enforcing VM startup/shutdown sequences.

Concept tested: DRS cluster recommendation triggers and use cases

Source: https://docs.vmware.com/en/VMware-vSphere/6.5/com.vmware.vsphere.resmgmt.doc/GUID-517D96C3-18F9-4C50-AB64-C5AC6B12B5E4.html

Topics

#DRS recommendations#maintenance mode#affinity rules#DRS cluster

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