code: public Task attachScsiLunEx_Task(String[] lunUuid) throws HostConfigFault, RuntimeFault, RemoteException {
          ManagedObjectReference taskMor = getVimService().attachScsiLunEx_Task(getMOR(), lunUuid);
          return new Task(getServerConnection(), taskMor);
      }
docs: Attach one or more SCSI LUNs. This is an asynchronous, batch operation of attachScisLun.
  
  @param lunUuid each element specifies UUID of LUN to be attached.
  @return Task
  @throws HostConfigFault
  @throws RuntimeFault
  @throws RemoteException
  @see #attachScsiLun(String) for operational details.
  @since 6.0