2V0-622D · Question #115
An administrator is attempting to enable Fault Tolerance on a virtual machine but the operation does not complete successfully. Which could be two reasons for this? (Choose two.)
The correct answer is B. The virtual machine has uncommitted snapshots. C. vSphere HA is disabled for this virtual machine.. vSphere Fault Tolerance has specific prerequisites that must be met before it can be enabled, including no existing snapshots and vSphere HA being active on the cluster.
Question
An administrator is attempting to enable Fault Tolerance on a virtual machine but the operation does not complete successfully. Which could be two reasons for this? (Choose two.)
Options
- AThe virtual machine has more than 1 vCPU.
- BThe virtual machine has uncommitted snapshots.
- CvSphere HA is disabled for this virtual machine.
- DThe virtual machine is located on vSAN storage.
- EThe virtual machine has over 32GB of memory assigned.
How the community answered
(33 responses)- A3% (1)
- B85% (28)
- D3% (1)
- E9% (3)
Why each option
vSphere Fault Tolerance has specific prerequisites that must be met before it can be enabled, including no existing snapshots and vSphere HA being active on the cluster.
Modern vSphere FT supports up to 8 vCPUs per protected VM, so having more than 1 vCPU does not prevent FT from being enabled.
FT requires a clean, linear disk chain and cannot coexist with snapshots; uncommitted snapshots must be deleted or committed before FT can be enabled on a VM.
vSphere HA must be enabled on the cluster because FT relies on HA infrastructure to monitor the protected VM and orchestrate failover to the secondary VM if the primary host fails.
vSAN is an officially supported storage backend for FT-protected VMs and does not prevent FT enablement.
vSphere FT supports VMs with up to 64 GB of memory, so a VM with 32 GB is well within the supported limit.
Concept tested: vSphere Fault Tolerance prerequisites and requirements
Source: https://docs.vmware.com/en/VMware-vSphere/8.0/vsphere-availability/GUID-57929CF8-5E28-4E51-B9C4-2267E19F9C46.html
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