2V0-21.23 · Question #39
An administrator plans to update the Supervisor cluster and has noticed some of the Tanzu Kubernetes Grid clusters are running an incompatible version. Which action must the administrator take before
The correct answer is D. Update incompatible Tanzu Kubernetes Grid clusters prior to the Supervisor cluster update.. Before updating a Supervisor cluster, any associated Tanzu Kubernetes Grid (TKG) clusters that are running an incompatible version must first be updated to a compatible version. This ensures smooth upgrade operation and continued functionality of the TKG clusters.
Question
An administrator plans to update the Supervisor cluster and has noticed some of the Tanzu Kubernetes Grid clusters are running an incompatible version. Which action must the administrator take before proceeding with the Supervisor cluster update?
Options
- AUpdate all Tanzu Kubernetes Grid clusters to the latest version prior to the Supervisor cluster
- BNo action is needed - Tanzu Kubernetes Grid clusters will be updated automatically as part of the
- CNo action is needed - Incompatible Tanzu Kubernetes Grid clusters can be manually updated
- DUpdate incompatible Tanzu Kubernetes Grid clusters prior to the Supervisor cluster update.
How the community answered
(34 responses)- A12% (4)
- B6% (2)
- C3% (1)
- D79% (27)
Why each option
Before updating a Supervisor cluster, any associated Tanzu Kubernetes Grid (TKG) clusters that are running an incompatible version must first be updated to a compatible version. This ensures smooth upgrade operation and continued functionality of the TKG clusters.
Updating all Tanzu Kubernetes Grid clusters to the latest version might be unnecessary; only incompatible ones need to be updated to a compatible version, not necessarily the absolute latest.
Tanzu Kubernetes Grid clusters are not automatically updated as part of the Supervisor cluster upgrade; they must be managed separately.
While incompatible TKG clusters can be manually updated, the statement "No action is needed" is incorrect as manual updating is required prior to the Supervisor cluster update, not afterwards or optionally.
When updating a Supervisor cluster, it is a critical best practice and often a requirement to ensure that all TKG clusters running on it are compatible with the target Supervisor cluster version. Incompatible TKG clusters must be updated to a compatible version before the Supervisor cluster upgrade to prevent issues or outages for the workloads running on those TKG clusters.
Concept tested: Tanzu Kubernetes Grid cluster update prerequisites
Source: https://docs.vmware.com/en/VMware-vSphere/8.0/vsphere-with-tanzu/GUID-BEE3EC34-31B9-44F4-98F1-4F2E4A9CF0D0.html
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