Inventor
HELFFRICH AUDREY A
US11 patents
Patents
11 patentsUS5390328AFeb 14, 1995
Data processing system and method for providing notification in a central processor of state changes for shared data structure on external storage
IBM190 citations99
US5561809AOct 1, 1996
In a multiprocessing system having a coupling facility, communicating messages between the processors and the coupling facility in either a synchronous operation or an asynchronous operation
IBM205 citations98
US5331673AJul 19, 1994
Integrity of data objects used to maintain state information for shared data at a local complex
IBM135 citations98
US5317739AMay 31, 1994
Method and apparatus for coupling data processing systems
IBM264 citations98
US5581737ADec 3, 1996
Method and apparatus for expansion, contraction, and reapportionment of structured external storage structures
IBM122 citations97
US5574945ANov 12, 1996
Multi channel inter-processor coupling facility processing received commands stored in memory absent status error of channels
IBM136 citations97
US5463736AOct 31, 1995
Coupling facility for receiving commands from plurality of hosts for activating selected connection paths to I/O devices and maintaining status thereof
IBM141 citations97
US5450590ASep 12, 1995
Authorization method for conditional command execution
IBM71 citations96
US5392397AFeb 21, 1995
Command execution system for using first and second commands to reserve and store second command related status information in memory portion respectively
IBM69 citations96
US5339405AAug 16, 1994
Command quiesce function
IBM64 citations96
US5410695AApr 25, 1995
Apparatus and method for list management in a coupled data processing system
IBM53 citations92