def replace_lun(self, *lun_list):
lun_add = self._prepare_luns_add(lun_list)<EOL>lun_remove = self._prepare_luns_remove(lun_list, False)<EOL>return self.modify(lun_add=lun_add, lun_remove=lun_remove)<EOL>
Replaces the exiting LUNs to lun_list.