A computer program product, an apparatus, and a method for processing communications between a target and an initiator an input/output processing system are provided. The computer program product includes a tangible storage medium readable by a processing circuit and storing instructions for execution by the processing circuit for performing a method. The method includes: sending a message from the initiator to the target, the message requesting suspension of input/output operations between the initiator and the target for a period of time, the period of time being defined by the message; responsive to the message, suspending input/output operation messages for the period of time; performing a system change comprising at least one of: at least one update, a computer program installation, a recovery, and a change in operating parameters; and initiating new input/output operations after at least one of: expiration of the period of time and initiation of new input/output operations by the initiator.

Title
Processing of data to perform system changes in an input/output processing system
Application Number
12/031042
Publication Number
20090210561
Application Date
February 14, 2008
Publication Date
August 20, 2009
Inventor
Harry M Yudenfriend
Poughkeepsie
NY, US
Gustav E Sittmann
Webster Groves
MO, US
Matthew J Kalos
Tucson
AZ, US
Catherine C Huang
Poughkeepsie
NY, US
Bret W Holley
Tucson
AZ, US
Roger G Hathorn
Tucson
AZ, US
John R Flanagan
Poughkeepsie
NY, US
Matthew R Craig
Sahuarita
AZ, US
Daniel F Casper
Poughkeepsie
NY, US
Scott M Carlson
Tucson
AZ, US
Mark P Bendyk
Hyde Park
NY, US
Louis W Ricci
Hyde Park
NY, US
Agent
Cantor Colburn IBM Poughkeepsie
CT, US
Assignee
International Business Machines Corporation
NY, US
IPC
G06F 03/00
View Original Source