'Disconnect the volume pair that consists of the specified LDEVs.'

def delete_pair_from_storage(self, pvol, svol, is_thin):

    interval = self.conf.vsp_async_copy_check_interval
    if is_thin:
        self._delete_thin_copy_pair(pvol, svol, interval)
    else:
        self._delete_full_copy_pair(pvol, svol, interval)
