To enable the vSphere Cloud Provider in the cluster, you must add the top-level cloud_provider directive to the cluster configuration file, set the name property to vsphere and add the vsphereCloudProvider directive containing the configuration matching your infrastructure. See the configuration reference for the gory details.
NOTE: Alternatively, the disk can be added to StarWind VSAN VM as RDM. The link to VMware documentation is below:
-vSphere/7.0/com.vmware.vsphere.vm_admin.doc/GUID-4236E44E-E11F-4EDD-8CC0-12BA664BB811.html
3. To optimize performance change I/O scheduler options according to the article below:
-vsan-for-vsphere-changing-linux-i-o-scheduler-to-optimize-storage-performance/
The number of cores per socket in a virtual machine. The number of virtual sockets on the virtual machine is platform.vsphere.cpus/platform.vsphere.coresPerSocket. The default value for control plane nodes and worker nodes is 4 and 2, respectively.