code: func resourceVSphereVirtualMachineUpdateLocationRelocateWithSDRS(
  	d *schema.ResourceData,
  	meta interface{},
  	vm *object.VirtualMachine,
  	spec types.VirtualMachineRelocateSpec,
  	timeout int,
  ) error {
  	client := meta.(*VSphereClient).vimClient
  	if err := viapi.ValidateVirtualCenter(client); err != nil {
  		return fmt.Errorf("connection ineligible to use datastore_cluster_id: %s", err)
  	}
  
  	log.Printf("[DEBUG] %s: Running virtual machine relocate Storage DRS API", resourceVSphereVirtualMachineIDString(d))
  	pod, err := storagepod.FromID(client, d.Get("datastore_cluster_id").(string))
  	if err != nil {
  		return fmt.Errorf("error getting datastore cluster: %s", err)
  	}
  
  	err = storagepod.RelocateVM(client, vm, spec, timeout, pod)
  	if err != nil {
  		return fmt.Errorf("error running vMotion on datastore cluster %q: %s", pod.Name(), err)
  	}
  	return nil
  }
docs: // resourceVSphereVirtualMachineUpdateLocationRelocateWithSDRS runs the storage vMotion
  // part of resourceVSphereVirtualMachineUpdateLocation through storage DRS.
  // It's designed to be run when a storage cluster is specified, versus simply
  // specifying datastores.