Inventor
KONRAD DENNIS R
US16 patents
Patents
16 patentsUS5404508AApr 4, 1995
Data base backup and recovery system and method
UNISYS CORP318 citations98
US5193162AMar 9, 1993
Cache memory with data compaction for use in the audit trail of a data processing system having record locking capabilities
UNISYS CORP399 citations96
US5949970ASep 7, 1999
Dual XPCS for disaster recovery
UNISYS CORP64 citations95
US7246255B1Jul 17, 2007
Method for shortening the resynchronization time following failure in a computer system utilizing separate servers for redundancy
UNISYS CORP32 citations92
US7181642B1Feb 20, 2007
Method for distributing the processing among multiple synchronization paths in a computer system utilizing separate servers for redundancy
UNISYS CORP28 citations92
US6079000AJun 20, 2000
XPC backup for in-process audit
UNISYS CORP38 citations92
US6055547AApr 25, 2000
Shared file allocation and release
UNISYS CORP26 citations92
US5682527AOct 28, 1997
Method and apparatus for block-level auditing and database recovery in a transaction processing system
UNISYS CORP33 citations92
US6745266B1Jun 1, 2004
Method and apparatus for disk cache translation between systems
UNISYS CORP21 citations90
US6662307B1Dec 9, 2003
Disk recovery/reconstruction
UNISYS CORP17 citations84
US7873868B1Jan 18, 2011
Method for obtaining higher throughput in a computer system utilizing a clustered systems manager
UNISYS CORP17 citations83
US7366765B1Apr 29, 2008
Outboard clustered computer systems manager utilizing commodity components
UNISYS CORP10 citations83
US7178057B1Feb 13, 2007
Method for allowing a clustered computer systems manager to use disparate hardware on each of the separate servers utilized for redundancy
UNISYS CORP14 citations83
US7155638B1Dec 26, 2006
Clustered computer system utilizing separate servers for redundancy in which the host computers are unaware of the usage of separate servers
UNISYS CORP18 citations83
US7149923B1Dec 12, 2006
Software control using the controller as a component to achieve resiliency in a computer system utilizing separate servers for redundancy
UNISYS CORP8 citations73
US6701330B1Mar 2, 2004
Protecting duplicate/lost updates against host failures
UNISYS CORP8 citations73