Inventor
LEGVOLD VERNON J
US19 patents
Patents
19 patentsUS7139933B2Nov 21, 2006
Preserving cache data against cluster reboot
IBM67 citations97
US5636359AJun 3, 1997
Performance enhancement system and method for a hierarchical data cache using a RAID parity scheme
IBM177 citations97
US6983397B2Jan 3, 2006
Method, system, and program for error handling in a dual adaptor system where one adaptor is a master
IBM40 citations95
US5627990AMay 6, 1997
Management system for a hierarchical data cache employing preemptive cache track demotion and restaging to adapt to access patterns
IBM125 citations95
US4875155AOct 17, 1989
Peripheral subsystem having read/write cache with record access
IBM101 citations93
US5375232ADec 20, 1994
Method and system for asynchronous pre-staging of backup copies in a data processing storage subsystem
IBM99 citations92
US4779189AOct 18, 1988
Peripheral subsystem initialization method and apparatus
IBM131 citations92
US7051174B2May 23, 2006
Method, system, and program for restoring data in cache
IBM23 citations90
US5701429ADec 23, 1997
Method and system for maintaining concurrent data access during device upgrade
IBM36 citations88
US7085886B2Aug 1, 2006
Autonomic power loss recovery for a multi-cluster storage sub-system
IBM16 citations84
US7392420B2Jun 24, 2008
Automated error recovery of a licensed internal code update on a storage controller
IBM9 citations81
US7266815B2Sep 4, 2007
Automated control of a licensed internal code update on a storage controller
IBM16 citations81
US7774644B2Aug 10, 2010
System and program for error handling in a dual adaptor system where one adaptor is a master
IBM5 citations73
US7673172B2Mar 2, 2010
Method, system, and program for error handling in a dual adaptor system where one adaptor is a master
IBM3 citations73
US7490264B2Feb 10, 2009
Method for error handling in a dual adaptor system where one adaptor is a master
IBM3 citations73
US7386760B2Jun 10, 2008
Method, system, and program for error handling in a dual adaptor system where one adaptor is a master
IBM7 citations73
US7337355B2Feb 26, 2008
Method, system, and program for error handling in a dual adaptor system where one adaptor is a master
IBM5 citations73
US7661022B2Feb 9, 2010
System for error handling in a dual adaptor system where one adaptor is a master
IBM1 citations62
US7565565B2Jul 21, 2009
Automated error recovery of a licensed internal code update on a storage controller
IBM0 citations49