Inventor
HARTUNG MICHAEL H
US25 patents
⚠️ This page may combine multiple inventors who share the name “HARTUNG MICHAEL H”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
IBM
24 patentsUS4633387ADec 30, 1986
Load balancing in a multiunit system
IBM193 citations98
US4636946AJan 13, 1987
Method and apparatus for grouping asynchronous recording operations
IBM145 citations97
US4430701AFeb 7, 1984
Method and apparatus for a hierarchical paging storage system
IBM158 citations97
US4916605AApr 10, 1990
Fast write operations
IBM238 citations96
US4574346AMar 4, 1986
Method and apparatus for peripheral data handling hierarchies
IBM57 citations96
US4571674AFeb 18, 1986
Peripheral storage system having multiple data transfer rates
IBM130 citations96
US5627990AMay 6, 1997
Management system for a hierarchical data cache employing preemptive cache track demotion and restaging to adapt to access patterns
IBM125 citations95
US5528755AJun 18, 1996
Invalid data detection, recording and nullification
IBM108 citations95
US5379398AJan 3, 1995
Method and system for concurrent access during backup copying of data
IBM89 citations95
US4533996AAug 6, 1985
Peripheral systems accommodation of guest operating systems
IBM102 citations94
US4533995AAug 6, 1985
Method and system for handling sequential data in a hierarchical store
IBM64 citations93
US4500954AFeb 19, 1985
Cache bypass system with post-block transfer directory examinations for updating cache and/or maintaining bypass
IBM75 citations93
US4445176AApr 24, 1984
Block transfers of information in data processing networks
IBM93 citations93
US4429363AJan 31, 1984
Method and apparatus for managing data movements from a backing store to a caching buffer store
IBM65 citations93
US4638425AJan 20, 1987
Peripheral data storage having access controls with error recovery
IBM45 citations92
US4583166AApr 15, 1986
Roll mode for cached data storage
IBM54 citations92
US5577211ANov 19, 1996
System and method using chained structure queues for ordering of message delivery between connected nodes wherein unsuccessful message portion is skipped and retried
IBM36 citations91
US5241669AAug 31, 1993
Method and system for sidefile status polling in a time zero backup copy process
IBM40 citations91
US4438512AMar 20, 1984
Method and apparatus for verifying storage apparatus addressing
IBM29 citations91
US4466059AAug 14, 1984
Method and apparatus for limiting data occupancy in a cache
IBM51 citations87
US7490205B2Feb 10, 2009
Method for providing a triad copy of storage data
IBM5 citations73
US5706443AJan 6, 1998
Method and apparatus for enabling pipelining of buffered data
IBM7 citations72
US5408656AApr 18, 1995
Method and system for non-specific address data retrieval in a data storage subsystem which includes multiple datasets stored at specific addresses
IBM11 citations71
US7454686B2Nov 18, 2008
Apparatus and method to check data integrity when handling data
IBM5 citations58