Inventor
WILLOUGHBY DAVID R
US20 patents
Patents
20 patentsUS6567897B2May 20, 2003
Virtualized NVRAM access methods to provide NVRAM CHRP regions for logical partitions through hypervisor system calls
IBM57 citations96
US6901537B2May 31, 2005
Method and apparatus for preventing the propagation of input/output errors in a logical partitioned data processing system
IBM54 citations95
US7107495B2Sep 12, 2006
Method, system, and product for improving isolation of input/output errors in logically partitioned data processing systems
IBM21 citations92
US6971002B2Nov 29, 2005
Method, system, and product for booting a partition using one of multiple, different firmware images without rebooting other partitions
IBM24 citations92
US6961785B1Nov 1, 2005
Permanent open firmware PCI host bridge (PHB) unit addressing to support dynamic memory mapping and swapping of I/O drawers
IBM21 citations92
US6941436B2Sep 6, 2005
Method and apparatus for managing memory blocks in a logical partitioned data processing system
IBM25 citations92
US7039692B2May 2, 2006
Method and apparatus for maintaining profiles for terminals in a configurable data processing system
IBM23 citations91
US7065761B2Jun 20, 2006
Nonvolatile logical partition system data management
IBM39 citations90
US6820207B2Nov 16, 2004
Method for rebooting only a specific logical partition in a data processing system as per a request for reboot
IBM33 citations90
US7480911B2Jan 20, 2009
Method and apparatus for dynamically allocating and deallocating processors in a logical partitioned data processing system
IBM15 citations84
US7146515B2Dec 5, 2006
System and method for selectively executing a reboot request after a reset to power on state for a particular partition in a logically partitioned system
IBM14 citations82
US7117385B2Oct 3, 2006
Method and apparatus for recovery of partitions in a logical partitioned data processing system
IBM13 citations82
US6950978B2Sep 27, 2005
Method and apparatus for parity error recovery
IBM13 citations82
US10754660B2Aug 25, 2020
Rack level server boot
IBM2 citations73
US7055071B2May 30, 2006
Method and apparatus for reporting error logs in a logical environment
IBM7 citations72
US6938114B2Aug 30, 2005
Method and apparatus for managing access to a service processor
IBM10 citations72
US7430691B2Sep 30, 2008
Method, system, and product for providing extended error handling capability in host bridges
IBM3 citations61
US4916703AApr 10, 1990
Handling errors in the C bit of a storage key
IBM2 citations60
US7085856B2Aug 1, 2006
Method and system for evaluating and optimizing placement of PCI adapters in a multi-partitioned server with respect to function, performance, and availability
IBM6 citations56
US7877643B2Jan 25, 2011
Method, system, and product for providing extended error handling capability in host bridges
IBM0 citations50