A computer program product, an apparatus, and a method for processing communications between a control unit and a channel subsystem in an input/output processing system are provided. The computer program product includes a tangible storage medium readable by a processing circuit and storing instructions...http://www.google.com.tw/patents/US7840718?utm_source=gb-gplus-share專利 US7840718 - Processing of data to suspend operations in an input/output processing log-out system
