Randall R Nelson

US Patent:

7822959, Oct 26, 2010

Filed:

Jan 9, 2007

Appl. No.:

11/621403

Inventors:

Josep Cors - Rochester MN, US
Russel R. Garvey - Mantorville MN, US
Andrew T. Koch - Rochester MN, US
Kyle A. Lucke - Oronoco MN, US
Randall S. Nelson - Rochester MN, US
Andrew T. Tauferner - Rochester MN, US
Eric Thiemann - Hayfield MN, US
Scott J. Timmerman - Rochester MN, US

Assignee:

International Business Machines Corporation - Armonk NY

International Classification:

G06F 9/00
G06F 9/24
G06F 15/177
G06F 3/00
G06F 9/44
G06F 9/46
G06F 13/00

US Classification:

713 1, 719326

Abstract:

The present invention relates to a method for the safe shut down of an operating system. The invention utilizes a shutdown-monitoring program that is running in an initiator operating system to periodically transmit and pass-through SCSI command to a SCSI target to determine if a shutdown operations is to be performed upon the operating system. In response to the SCSI command the SCSI target returns data back to the initiator operating system, wherein the shutdown-monitoring program analyzes the data. In the event that the shutdown-monitoring program determines that the operating system is to be shut down, then an operating system shutdown is initiated using at least one appropriate API that is provided by the operating system.

US Patent:

20070133604, Jun 14, 2007

Filed:

Dec 8, 2005

Appl. No.:

11/297306

Inventors:

Randall Nelson - Rochester MN, US
Eric Thiemann - Hayfield MN, US

Assignee:

INTERNATIONAL BUSINESS MACHINES CORPORATION - ARMONK NY

International Classification:

H04J 3/16

US Classification:

370470000

Abstract:

A method, virtual network adapter and computer program product are provided for automatically maximizing frame sizes and avoiding physical network Internet Protocol (IP) fragmentation. A maximum frame size of a selected physical adapter is identified. A frame size for the virtual adapter is calculated using the identified maximum frame size of the selected physical adapter. The calculated frame size of the virtual adapter is reported to an operating system.

US Patent:

20080170576, Jul 17, 2008

Filed:

Jan 17, 2007

Appl. No.:

11/623836

Inventors:

Jesse P. Arroyo - Rochester MN, US
Josep Cors - Rochester MN, US
Mark H. Goff - Stewartville MN, US
Michael A. Migliacio - Rochester MN, US
Randall S. Nelson - Rochester MN, US

Assignee:

INTERNATIONAL BUSINESS MACHINES CORPORATION - Armonk NY

International Classification:

H04L 12/56

US Classification:

37039552

Abstract:

An optimal configuration of Internet Small Computer Systems Interface (iSCSI) sessions is automatically determined. A number of iSCSI target ports and a number of iSCSI initiator ports in a configuration are determined, and an ideal session count is determined for each iSCSI initiator port in order to maximize efficiency. All iSCSI initiator ports are traversed, and a determination is made which iSCSI initiator ports have less than the ideal session count. For those iSCSI initiator ports that have less than the ideal session count, the iSCSI target ports that are currently not logged into an iSCSI initiator ports that have fewer sessions than the ideal sessions. The steps of finding and attempting are repeated until a current total number of active sessions equals the number of iSCSI target ports.

US Patent:

20080189433, Aug 7, 2008

Filed:

Feb 2, 2007

Appl. No.:

11/670633

Inventors:

Randall S. Nelson - Rochester MN, US
Eric G. Thiemann - Hayfield MN, US

International Classification:

G06F 15/173

US Classification:

709240

Abstract:

Apparatus and methods of assigning a physical adapter local to a computer to a virtual adapter in a computer through which the virtual adapter may receive and transmit data is provided. The apparatus and methods may include (1) providing a system including a plurality of computers coupled via a network, wherein a first computer of the plurality of computers includes a plurality of physical adapters and at least one virtual adapter; (2) for each virtual adapter in the first computer, assigning a rank to each physical adapter in the first computer; and (3) based on the ranks, testing one or more of the physical adapters in the first computer for connectivity to a physical adapter in a second computer with which a first virtual adapter is likely to communicate. Connectivity tests are started in a staggered manner that favors highly ranked physical adapters. Numerous other aspects are provided.

US Patent:

20080288620, Nov 20, 2008

Filed:

May 18, 2007

Appl. No.:

11/750372

Inventors:

Mark Harrison Goff - Stewartville MN, US
Michael Anthony Migliacio - Rochester MN, US
Randall Scott Nelson - Rochester MN, US
Eric Gene Thiemann - Hayfield MN, US

International Classification:

G06F 15/173

US Classification:

709223

Abstract:

An apparatus, program product and method dynamically select a physical network interface for use by an application running on a networked computer in a manner that attempts to minimize bandwidth contention between application-related operations and any operating system critical storage operations that may be initiated by an operating system resident on the same networked computer. The dynamic selection prioritizes at least one physical network interface that does not handle operating system critical storage operations over at least one physical network interface that does handle operating system critical storage operations, thus minimizing the likelihood of the application causing poor performance and/or failure of the operating system due to contention over limited network resources.

US Patent:

20090138608, May 28, 2009

Filed:

Nov 27, 2007

Appl. No.:

11/945318

Inventors:

Jesse Paul Arroyo - Rochester MN, US
Josep Cors - Rochester MN, US
David Lee Dosch - Rochester MN, US
Mark Harrison Goff - Stewartville MN, US
Jonathan Louis Kaus - Rochester MN, US
Kyle Alan Lucke - Oronoco MN, US
Michael Anthony Migliacio - Rochester MN, US
Randall Scott Nelson - Rochester MN, US

International Classification:

G06F 15/16

US Classification:

709228

Abstract:

A method and apparatus for establishing multiple network sessions over an arbitrary network topology comprises receiving network configuration information describing an initiator system and a target controller. The initiator system contains one or more initiator ports. The target controller contains one or more target ports. Each target port is associated with one or more target nodes. A set of pre-defined rules is identified. The set of pre-defined rules governs the establishment of network sessions between the initiator ports and the target nodes through the target ports. One or more network sessions are established based on the set of pre-defined rules and the network configuration information.

US Patent:

20140006793, Jan 2, 2014

Filed:

Jun 28, 2012

Appl. No.:

13/536570

Inventors:

Robert J. Donovan - Rochester MN, US
Joseph C. Lindsay - Rochester MN, US
Randall S. Nelson - Rochester MN, US
Christopher A. Peterson - Rochester MN, US
Darrel W. Raknerud - Rochester MN, US
Taylor L. Schreck - Rochester MN, US
Judith Trousdell - Rochester MN, US
Lee H. Wilson - Austin TX, US
Andrew W. Wojtowicz - Dodge Center MN, US
Tokunbo Adeshiyan - Raleigh NC, US

Assignee:

INTERNATIONAL BUSINESS MACHINES CORPORATION - Armonk NY

International Classification:

G06F 21/00

US Classification:

713182

Abstract:

A method, system, and computer-readable storage media for granting a device access to a managed group are disclosed. Identification information may be exchanged between a management device in the managed group and a managed device through a secure first channel. If the identification information is verified by the management device, the managed device may be granted access to the managed group through the secure first channel. If access is granted, the managed device may access the managed group through a secure communication session on a network. If the identification information is not verified, the management device may send a cryptographic key to the managed device through the secure first channel. The cryptographic key may be used to create an encrypted communication session between the managed device and management device over the network.

US Patent:

60527374, Apr 18, 2000

Filed:

Apr 15, 1998

Appl. No.:

9/060993

Inventors:

Yosef Bitton - Rochester MN
Randall Scott Nelson - Rochester MN

Assignee:

International Business Machines Corporation - Armonk NY

International Classification:

G06F 1100
G06F 1300

US Classification:

709248

Abstract:

A computer system, program product and method enhances the operation of a communications protocol by monitoring timers associated with the protocol to determine the transmission requirements placed on a transmit queue. The number of frames to be enqueued at a particular system tick is dynamically modified to prevent queue overload. In one embodiment the expiration of timers is adjusted to prevent queue overload. In another embodiment, frame transmission at timer expiry is adjusted to prevent queue overload.