2V0-21.23 · Question #27
An administrator needs to perform maintenance on a datastore that is running the vSphere Cluster Services (vCLS) virtual machines (VMs). Which feature can the administrator use in this scenario to…
The correct answer is D. vCLS Retreat Mode. To perform maintenance on a datastore running vCLS VMs without using Storage vMotion, the administrator can utilize vCLS Retreat Mode.
Question
An administrator needs to perform maintenance on a datastore that is running the vSphere Cluster Services (vCLS) virtual machines (VMs). Which feature can the administrator use in this scenario to avoid the use of Storage vMotion on the vCLS VMs?
Options
- AvSphere Distributed Resource Scheduler (DRS)
- BvSphere vMotion
- CvSphere Fault Tolerance
- DvCLS Retreat Mode
How the community answered
(60 responses)- A3% (2)
- B2% (1)
- C5% (3)
- D90% (54)
Why each option
To perform maintenance on a datastore running vCLS VMs without using Storage vMotion, the administrator can utilize vCLS Retreat Mode.
vSphere Distributed Resource Scheduler (DRS) manages VM placement and resource allocation but does not provide a mechanism to move vCLS VMs off a datastore for maintenance without Storage vMotion.
vSphere vMotion migrates a running VM between hosts, not its storage between datastores.
vSphere Fault Tolerance (FT) provides continuous availability for a VM by creating a live shadow instance and is unrelated to migrating vCLS VMs for datastore maintenance.
vCLS Retreat Mode is a specific feature that, when activated, allows vSphere Cluster Services (vCLS) virtual machines to be deleted from their current datastore and then automatically redeployed on another available datastore, thus avoiding the need for Storage vMotion.
Concept tested: vCLS Retreat Mode for datastore maintenance
Source: https://docs.vmware.com/en/VMware-vSphere/8.0/vsphere-esxi-vcenter-80-host-management/GUID-2BE7407A-D422-4217-A41B-328639F70D22.html
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