What must be done before an administrator can provision a VMware vVol datastore?

For a VMware vCenter server to recognize and manage a Dell Unity XT array for vSphere Virtual Volumes (vVols), the array's VASA (vSphere APIs for Storage Awareness) provider must be registered with the vCenter. This registration establishes the communication channel that allows vCenter to discover the array's storage capabilities, create protocol endpoints, and provision vVol datastores. Without this crucial step, vCenter is unaware of the Unity system's vVol capabilities, making datastore creation impossible.

A. While host connectivity is required for data access, VASA registration is the specific prerequisite for vCenter to even begin the vVol datastore provisioning process.
B. Capability Profiles are used within vSphere Storage Policies to manage vVol placement after the datastore is created, not as a prerequisite for its creation.
D. This is too generic. The specific action required is registering the VASA provider, which is a specialized function, not just a general API registration.

- Dell EMC Unity: Virtualization Integration

White Paper (April 2020)

Page 13

"vSphere Virtual Volumes": "To enable vVols

the storage provider must be registered in vCenter. This is done by navigating to the vCenter Server in Unisphere

selecting the vCenter

and clicking the Register Storage Provider button."

- Dell Unity Family Unisphere Command Line Interface User Guide

Version 5.1

Page 271

/remote/vcenter/vasa create: "Registers a VASA provider with a vCenter."