code: public Task mountVmfsVolumeEx_Task(String[] vmfsUuid) throws HostConfigFault, RuntimeFault, RemoteException {
          ManagedObjectReference taskMor = getVimService().mountVmfsVolumeEx_Task(getMOR(), vmfsUuid);
          return new Task(getServerConnection(), taskMor);
      }
docs: Mount one or more VMFS volumes. This is an asynchronous, batch operation of mountVmfsVolume.
  
  @param vmfsUuid each element specifies the UUID of a VMFS volume to be unmounted.
  @return Task
  @throws HostConfigFault
  @throws RuntimeFault
  @throws RemoteException
  @see #mountVmfsVolume for operational details.
  @since 6.0