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1V0-21.20 · Question #22

A system administrator is preparing a host In a vSphere DRS cluster in partially automated mode for firmware patching and puts a host into maintenance mode. After several minutes, the host still has n

The correct answer is D. The system administrator needs to migrate virtual machines using vSphere vMotion.. When a host in a partially automated DRS cluster fails to enter maintenance mode, it's typically because virtual machines cannot be automatically migrated off the host.

Explain Resource Management in vSphere

Question

A system administrator is preparing a host In a vSphere DRS cluster in partially automated mode for firmware patching and puts a host into maintenance mode. After several minutes, the host still has not entered maintenance mode. How should the system administrator resolve this problem?

Options

  • AThe system administrator needs to schedule DRS to run again.
  • BvSphere Lifecycle Manager and DRS integration need to be configured.
  • CvSphere HA admission control needs to be enabled on the cluster.
  • DThe system administrator needs to migrate virtual machines using vSphere vMotion.

How the community answered

(52 responses)
  • A
    6% (3)
  • B
    4% (2)
  • C
    15% (8)
  • D
    75% (39)

Why each option

When a host in a partially automated DRS cluster fails to enter maintenance mode, it's typically because virtual machines cannot be automatically migrated off the host.

AThe system administrator needs to schedule DRS to run again.

Scheduling DRS to run again does not resolve the underlying issue of VMs not migrating and will likely yield the same result if manual intervention is required or there are blockers.

BvSphere Lifecycle Manager and DRS integration need to be configured.

vSphere Lifecycle Manager (vLCM) and DRS integration relate to host patching and compliance, which is a step performed after the host has entered maintenance mode, not for resolving why it cannot enter it.

CvSphere HA admission control needs to be enabled on the cluster.

vSphere HA admission control manages resource reservation for failover capacity and whether VMs can be powered on, which is unrelated to evacuating VMs from a host for maintenance mode.

DThe system administrator needs to migrate virtual machines using vSphere vMotion.Correct

To enter maintenance mode, a host must have no running virtual machines; if DRS is in partially automated mode, it might not automatically vMotion all VMs, requiring the administrator to manually migrate virtual machines using vSphere vMotion.

Concept tested: vSphere maintenance mode and VM migration

Source: https://docs.vmware.com/en/VMware-vSphere/8.0/vsphere-esxi-vcenter-server-803-host-management-guide/GUID-A934E22A-4C21-4E61-A79F-998C4E8A3705.html

Topics

#DRS#maintenance mode#vMotion#cluster management

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