Fixed used feature not implemented in cc-node

        watcher.register(source.conn, 'vol_export', pool, name, dest.ip, xferprop['port'])

        watcher.register(dest.conn, 'vol_import_wait', xferprop['id'])

        # Loop to poll status while job is running

        job_running = True

        while job_running:

            # Timeout to get transfered bytes and update status

            msgs = watcher.wait(timeout=10)

            if not msgs:

                _, percent = dest.proxy.vol_transfer_status(xferprop['id'])

                self.report('copy %s/%s: %s%% done' % (pool, name, percent))

            else:

                job_running = False

        self._func_cancel_xfer = None

        # Wait a little more for the second response if needed:

        msgs += watcher.wait(timeout=10)

        msgs = watcher.wait()

        # Compare checksum of two answers:

        checksums = []