Customer had decisions to make when considering storage options for running their VFC environment.
VCF offers flexible storage connectivity options for workloads demands to gather the following uses cases assisting customers in their Software define platform transition
We can break this down into two diferent options, principal and supplemental storage, as we already know the management domain requires vSAN to automate its deployment without any other storage to be provisioned.
The principal Storage is used to create workloads demands and its available in every host in the workload domain.
Suplemental Storage in the one added manually by an administrators without SDDC manager automation. Its useful for Data Protection and also for migratin when moving applications from traditional three tier environment to vSAN.
vSAN, NFS and VMFS on FC are the three Storage options available when deploying a Workload domain.
Before starting the VCF deployment please be sure to check you count with vSAN Ready Nodes
vSAN ReadyNodeTM is a validated server configuration in a tested, certified hardware form factor for vSAN deployment, jointly recommended by the server OEM and VMware. vSAN ReadyNodeTM are ideal as hyper-converged building blocks for larger data center environments looking for automation and a need to customize hardware and software configurations
And also, check the VMware Compatibility Guide: