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Question 89

An administrator would like to upgrade ten identically configured 2-node vSAN clusters from vSAN 6.7 U3 to vSAN 7.0 U1. Currently, each 2-node vSAN cluster is using a dedicated vSAN witness host appliance. As a result of the upgrade, the administrator would like to leverage the vSAN shared witness feature to reduce the resources being consumed.

In preparation for the first vSAN cluster upgrade, the administrator has completed the following tasks:

1. Upgraded vCenter Server to vCenter Server 7.0 U1.

2. vSphere High Availability (HA) has been disabled on the vSAN Cluster.

3. Upgraded the vSAN witness host appliance to vSphere 7.0 U1.

4. Upgraded both vSAN data nodes to vSphere 7.0 U1.

The key requirement is to ensure that backwards compatibility to the existing version of vSAN is maintained during the upgrade process.

Which three additional steps should the administrator complete to ensure that subsequent clusters can share the same vSAN Witness? (Choose three.)

    Correct Answer: A, D, E

    To ensure that subsequent clusters can share the same vSAN Witness, the administrator should upgrade the vSAN On-Disk Format (ODF) to version 12 to maintain backward compatibility with the existing vSAN version, configure the existing witness host appliance to act as a shared witness, and deploy a new vSAN 7.0 U1 witness host appliance to act as a shared witness. These steps ensure compatibility and leverage the shared witness feature efficiently.

Discussion
jchampionOptions: CDF

C D F. https://blogs.vmware.com/virtualblocks/2020/09/21/shared-witness-for-2-node-vsan-deployments/

John_BobOptions: CDF

My answer is C,D, F