1
Richard Louis Arndt, Bruce Leroy Beukema, David F Craddock, Ronald Edward Fuhs, Thomas Anthony Gregg, Allan Samuel Meritt, Calvin Charles Paynton, Steven L Rogers, Donald William Schmidt, Bruce Marshall Walk: Apparatus, system and method for providing multiple logical channel adapters within a single physical channel adapter in a system area network. International Business Machines Corporation, Duke W Yee, Casimer K Salys, Theodore D Fay III, October 16, 2007: US07283473 (115 worldwide citation)

An apparatus, system and method for providing multiple logical partitions in a system area network are provided Logical partitioning support is provided for host channel adapters which allows multiple operating systems to share the resources of a single physical host channel adapter (HCA). The appar ...


2
Richard Louis Arndt, Bruce Leroy Beukema, David F Craddock, Ronald Edward Fuhs, Thomas Anthony Gregg, Calvin Charles Paynton, Steven L Rogers, Donald William Schmidt, Bruce Marshall Walk: Infiniband general services queue pair virtualization for multiple logical ports on a single physical port. International Business Machines Corporation, Yee & Associates P C, Diana R Gerhardt, June 30, 2009: US07555002 (101 worldwide citation)

An aliased queue pair is provided within a logically partitioned data processing system for each logical partition for the single general services management queue pair that exists within a physical host channel adapter. Packets intended for the logical ports are received at the physical port. Multi ...


3
Richard Louis Arndt, Steven Mark Thurber: System, method, and product in a logically partitioned system for prohibiting I/O adapters from accessing memory assigned to other partitions during DMA. International Business Machines Corporation, Duke W Yee, Mark E McBurney, Lisa L Yociss, September 30, 2003: US06629162 (71 worldwide citation)

A method, system, and apparatus for preventing input/output (I/O) adapters used by an operating system (OS) image, in a logically partitioned system, from accessing data from a memory location allocated to another OS image is provided. The system includes logical partitions, operating systems (OSs), ...


4
Richard Louis Arndt, Giora Biran, Vadim Makhervaks, Renato John Recio, Leah Shalev, Jaya Srikrishnan: Interrupt mechanism on an IO adapter that supports virtualization. International Business Machines Corporation, Duke W Yee, Diana R Gerhardt, Gerald H Glanzman, August 21, 2007: US07260664 (51 worldwide citation)

A mechanism for handling event notifications or interrupts in a logically partitioned computing system having IO adapters that support adapter virtualization are provided. A virtual adapter associated with a physical IO adapter detects an event, identifies a logical partition associated with the eve ...


5
Richard Louis Arndt: Logical partition hosted virtual input/output using shared translation control entries. International Business Machines Corporation, Duke W Yee, Mark E McBurney, April 20, 2004: US06725284 (49 worldwide citation)

The present invention provides a method for sharing I/O facilities among logical partitions. A remote translation control entry table is created on a hosted partition appearing to own a virtual copy of the I/O facilities to be shared. The remote translation control entry table on the hosted partitio ...


6
Richard Louis Arndt, Danny Marvin Neal, Steven Mark Thurber: DMA windowing in an LPAR environment using device arbitration level to allow multiple IOAs per terminal bridge. International Business Machines Corporation, Mark E McBurney, Dillon & Yudell, December 6, 2005: US06973510 (47 worldwide citation)

A method, system, and apparatus for preventing input/output (I/O) adapters used by an operating system (OS) image, in a logically partitioned data processing system, from fetching or corrupting data from a memory location allocated to another OS image within the data processing system is provided. A ...


7
Richard Louis Arndt, Danny Marvin Neal, Steven Mark Thurber: Computer system error recovery and fault isolation. International Business Machines Corporation, Robert V Wilder, Mark E McBurney, February 18, 2003: US06523140 (44 worldwide citation)

A method and implementing computer system is provided in which specific device identification information is acquired when a faulty condition is detected during an information transfer transaction, and the condition is reported to the device driver of the identified device for corrective action with ...


8
Richard Louis Arndt: Recovery from data fetch errors in hypervisor code. International Business Machines Corporation, Duke W Yee, Mark E McBurney, Lisa L B Yociss, December 2, 2003: US06658591 (40 worldwide citation)

A method, system, and apparatus for isolating fatal data fetch errors to a single partition within a logically partitioned data processing system. In one embodiment, the logically partitioned data processing system includes a plurality of operating systems and a plurality of processors is provided. ...


9
Richard Louis Arndt: Hypervisor function sets. International Business Machines Corporation, Duke W Yee, Mark E McBurney, Lisa L B Yociss, May 10, 2005: US06892383 (38 worldwide citation)

A method, system, and apparatus for informing a plurality of operating systems, each assigned to a separate partition within a logically partitioned data processing system, of which functions, provided by a hypervisor for creating and enforcing separation of the logical partitions, are available for ...


10
Richard Louis Arndt, Steven Mark Thurber: Isolation of I/O bus errors to a single partition in an LPAR environment. International Business Machines Corporation, Duke W Yee, Mark E McBurney, Lisa L Yociss, November 4, 2003: US06643727 (38 worldwide citation)

A method, system, and apparatus for isolating an input/output (I/O) bus error, received from an I/O adapter, from the other I/O adapters that may be in different partitions within a logically partitioned data process system is provided. In one embodiment, the logically partitioned data processing sy ...



Click the thumbnails below to visualize the patent trend.