Brian W Patterson

US Patent:

6609219, Aug 19, 2003

Filed:

Jan 24, 2000

Appl. No.:

09/490792

Inventors:

Brian L. Patterson - Boise ID

Assignee:

Hewlett-Packard Development Company, L.P. - Houston TX

International Classification:

G06F 1100

US Classification:

714 42, 714 33, 702179

Abstract:

A storage system is described that includes a controller and a disk array. The disk array includes at least a first and a second storage area. The first storage area is associated with a first mean time to failure (MTTF) and the second storage area is associated with a second MTTF. The controller operates to test the first storage area at a first frequency and the second storage area at a second frequency. The first frequency and the second frequency are each based upon the first and second MTTF so as to optimize the overall reliability of the storage system.

US Patent:

6629273, Sep 30, 2003

Filed:

Jan 24, 2000

Appl. No.:

09/490793

Inventors:

Brian L. Patterson - Boise ID

Assignee:

Hewlett-Packard Development Company, L.P. - Houston TX

International Classification:

G11C 2900

US Classification:

714718, 714 54

Abstract:

A storage system is described that includes a controller and a disk array. The controller operates to coordinate data transfers between the disk array and an external host computer in response to I/O commands received from the host computer. The controller further operates to execute a background program each time certain conditions are met. Under the direction of the background program, the controller operates to identify corrupt but readable data blocks based upon the value of the data block and the value of an error code stored for the data block.

US Patent:

6912635, Jun 28, 2005

Filed:

May 8, 2002

Appl. No.:

10/140968

Inventors:

Brian Patterson - Boise ID, US
Jonathan Condel - Boise ID, US

Assignee:

Hewlett-Packard Development Company, L.P. - Houston TX

International Classification:

G06F012/00

US Classification:

711165, 711111, 711112, 711114, 711156

Abstract:

A system and methods employ a redistribution module to predict whether there is data stored in an arrayed storage device that is likely to be data that will be highly accessed in the future. The redistribution module locates high-access data on one or more storage components within the array and redistributes it evenly across all storage components in the array so that no single storage component contains a disproportionate amount of the high-access data. Redistributing high-access data evenly across all storage components (e. g. , disks) in a storage array helps prevent I/O (input/output) bottlenecking at any single storage component in the array. I/Os are serviced in a more parallel manner which increases the overall performance of the storage array.

US Patent:

6957433, Oct 18, 2005

Filed:

Jan 8, 2001

Appl. No.:

09/757269

Inventors:

David K. Umberger - Boise ID, US
Jonathan E. Condel - Boise ID, US
Brian L. Patterson - Boise ID, US

Assignee:

Hewlett-Packard Development Company, L.P. - Houston TX

International Classification:

G06F009/46

US Classification:

718103, 718100, 718102

Abstract:

The present invention relates to a system and method for allocating and forecasting computational effort from a plurality of service components among a plurality of workloads. Preferably, processing power or other computational service is allocated among the workloads or tasks so as to optimize overall system efficiency and avoid processing bottlenecks. The inventive mechanism may be advantageously applied to the migration or movement of data between different levels of a hierarchical RAID storage system, between various storage systems, and/or between a storage system and a host device of a data processing system.

US Patent:

7058762, Jun 6, 2006

Filed:

Jun 9, 2003

Appl. No.:

10/457868

Inventors:

Brian L. Patterson - Boise ID, US
Chia Wood - Boise ID, US
Rodger D. Daniels - Boise ID, US

Assignee:

Hewlett-Packard Development Company, L.P. - Houston TX

International Classification:

G06F 12/00

US Classification:

711114, 714 6, 714 7

Abstract:

Multiple storage devices are monitored to detect failure of a storage device. Upon detection of a storage device failure, a determination is made regarding whether a first data reconstruction technique is available. If a first data reconstruction technique is available, the data is reconstructed from the failed storage device using the first data reconstruction technique. If the first data construction technique is not available, the data is reconstructed from the failed storage device using a second data reconstruction technique.

US Patent:

7171531, Jan 30, 2007

Filed:

Jan 14, 2004

Appl. No.:

10/759772

Inventors:

Brian L. Patterson - Boise ID, US
Marc E. LeFevre - Boise ID, US
Randy J. Matthews - Boise ID, US
Rodger D. Daniels - Boise ID, US
Brian S. Bearden - Boise ID, US

Assignee:

Hewlett-Packard Development Company, L.P. - Houston TX

International Classification:

G06F 12/00

US Classification:

711163, 711112, 710260

Abstract:

A storage device is configured with one or more processes that receive, process, and pass on jobs from a source. The number of jobs received by a process is compared with the number of jobs completed and/or passed on by the process. If the number of jobs that are received is disproportionate to the number of jobs completed and/or passed on by the process, a hang may exist and a corrective action, such as resetting, may be performed along with a request for all or some of the jobs to be resent.

US Patent:

7308599, Dec 11, 2007

Filed:

Jun 9, 2003

Appl. No.:

10/457892

Inventors:

Brian Patterson - Boise ID, US

Assignee:

Hewlett-Packard Development Company, L.P. - Houston TX

International Classification:

G06F 11/00

US Classification:

714 6, 711114

Abstract:

An array of storage devices is monitored to detect failure of one of the storage devices. Upon detection of a storage device failure, parity data associated with data stored on the failed storage device is identified. Data stored on the failed storage device is reconstructed and stored on unused portions of storage devices that did not fail. The system then updates the parity data associated with the data stored on the failed storage device.

US Patent:

7383379, Jun 3, 2008

Filed:

Aug 7, 2002

Appl. No.:

10/214685

Inventors:

Brian L Patterson - Boise ID, US
Jonathan Condel - Boise ID, US
Bryan Diamond - Meridain ID, US

Assignee:

Hewlett-Packard Development Company, L.P. - Houston TX

International Classification:

G06F 12/00

US Classification:

711114, 711170, 711165, 714 6, 714 7

Abstract:

A data storage device having, for example, a disk array comprising a plurality of independent disks, an array controller for controlling the array and an auxiliary memory device connected to the disk array and array controller for temporarily storing data being moved within the array or being changed from a first data storage type to a second data storage type within the array.