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Duke A Lee, 509260 E Amethyst Quartz Dr, Tucson, AZ 85747

Duke Lee Phones & Addresses

3570 Boyce Spring Ln, Tucson, AZ 85745    520-7431919   

9092 Old Oak Ct, Tucson, AZ 85756    520-7431919   

4608 14Th St, Tucson, AZ 85711    520-4592450   

Vail, AZ   

Sierra Vista, AZ   

Pima, AZ   

Maricopa, AZ   

Work

Position: Farming-Forestry Occupation

Education

Degree: High school graduate or higher

Mentions for Duke A Lee

Career records & work history

Medicine Doctors

Duke Lee Photo 1

Duke Thanh Lee

Specialties:
Internal Medicine
Geriatric Medicine
Hospitalist
Education:
Univ Int`L De Las Americas, Esc De Med (2000)

Duke Lee resumes & CV records

Resumes

Duke Lee Photo 44

Independent Filmmaker & Editor

Position:
Talent at Stars, The Agency
Location:
San Francisco, California
Industry:
Media Production
Work:
Stars, The Agency - San Francisco, CA since 2003
Talent
Center for Asian American Media - San Francisco, CA Mar 2009 - May 2010
Digital Media Content Producer
Education:
Academy of Art University 2009 - 2010
University of California, Berkeley 2001 - 2005
Duke Lee Photo 45

Duke Lee

Location:
United States

Publications & IP owners

Us Patents

Tracking Error Events Relating To Data Storage Drives And/Or Media Of Automated Data Storage Library Subsystems

US Patent:
7627786, Dec 1, 2009
Filed:
Sep 26, 2006
Appl. No.:
11/535238
Inventors:
Keith Anthony Bello - Oro Valley AZ, US
Cheryl Marie Friauf - Tucson AZ, US
Gregory Tad Kishi - Oro Valley AZ, US
Duke Andy Lee - Tucson AZ, US
Assignee:
International Business Machines Corporation - Armonk NY
International Classification:
G06F 11/00
US Classification:
714 42
Abstract:
With detection of a selected error event involving a data storage drive and data storage media, a subsystem attempts to move the media to another drive, and conduct a similar operation. The subsystem separately tracks successive error events of individual drives and individual media, wherein a complete successful operation breaks the chain of the successive error events; and upon the number of successive error events reaching a threshold, fails the data storage drive or the data storage media. Error events are categorized into:.

Method And Apparatus For Providing Continuous Access To Shared Tape Drives From Multiple Virtual Tape Servers Within A Data Storage System

US Patent:
7689759, Mar 30, 2010
Filed:
Aug 29, 2007
Appl. No.:
11/846583
Inventors:
Keith A. Bello - Oro Valley AZ, US
Gregory T. Kishi - Oro Valley AZ, US
Duke A. Lee - Tucson AZ, US
Assignee:
International Business Machines Corporation - Armonk NY
International Classification:
G06F 12/00
US Classification:
711 4
Abstract:
A method for providing continuous access to shared tape drives from two virtual tape server (VTS) nodes is disclosed. A group of tape drives are connected to two VTS nodes via a set of switches. Both VTS nodes can concurrently process requests to mount physical tape cartridges to separate tape drives. The selection of a tape drive to fulfill a volume mount request on a physical volume begins by locking down any access to a tape drive table having a composite view of all the tape drives shared between the two VTS nodes. An available tape drive is then selected to mount the physical volume, and an entry in the tape drive table is updated to claim ownership of the tape drive. A reservation command is sent to the tape drive to lock down any access to the tape drive, and the lock to the tape drive table is released. Having claimed ownership to the tape drive, the VTS node can now perform the volume mount request.

Verification Of A Tape Data Storage Cartridge

US Patent:
7864478, Jan 4, 2011
Filed:
Aug 22, 2008
Appl. No.:
12/196477
Inventors:
Gary Anna - Tucson AZ, US
Norie Iwasaki - Kanagawa, JP
Gregory Tad Kishi - Oro Valley AZ, US
Duke Andy Lee - Tucson AZ, US
Koichi Masuda - Yokohama, JP
Assignee:
International Business Machines Corporation - Armonk NY
International Classification:
G11B 19/02
US Classification:
360 69, 360 721
Abstract:
The provision of verification for data storage cartridges having data storage tape media employs determining the volume identity of a data storage cartridge; and providing an internal label at each block of data to be written to the data storage tape media of the data storage cartridge, the internal label at least comprising the volume identity. Verification of a label comprises reading an external label of the cartridge, the external label at least comprising a volume identity of the cartridge; determining whether the tape media comprises valid data arranged in blocks; positioning the tape media at one of the data blocks and attempting to read an internal label from the data block; and if so, determining whether the volume identity of the external label matches the volume identity of the internal label, and, if so, determining that the matching volume identity is the volume identity of the cartridge.

Efficient Elimination Of Access To Data On A Writable Storage Media

US Patent:
2009004, Feb 19, 2009
Filed:
Aug 17, 2007
Appl. No.:
11/840907
Inventors:
Wayne Charles Carlson - Tucson AZ, US
Cheryl Marie Friauf - Tucson AZ, US
Gregory Tad Kishi - Oro Valley AZ, US
Duke Andy Lee - Tucson AZ, US
Jonathan Wayne Peak - Tucson AZ, US
International Classification:
G06F 12/14
G06F 12/00
US Classification:
713193, 711111, 711E12092
Abstract:
A method and computer program product are provided for eliminating access to data within a writable storage media cartridge. If it is determined if at least a first portion of data on the writable storage media is encrypted then a second portion of data within the writable storage media cartridge related to said encrypted first portion of data is shredded. The first portion of data and the second portion are not the same portions of the writable storage media cartridge.

Efficient Elimination Of Access To Data On A Writable Storage Media

US Patent:
2009004, Feb 19, 2009
Filed:
Aug 17, 2007
Appl. No.:
11/840911
Inventors:
Wayne Charles Carlson - Tucson AZ, US
Cheryl Marie Friauf - Tucson AZ, US
Gregory Tad Kishi - Oro Valley AZ, US
Duke Andy Lee - Tucson AZ, US
Jonathan Wayne Peake - Tuscon AZ, US
International Classification:
G06F 12/14
G06F 12/00
US Classification:
713193, 711111, 711E12092
Abstract:
A system provided for eliminating access to data within a writable storage media cartridge. The system comprises a writable storage media drive, such as a tape drive. The writable storage drive determines if at least a first portion of data on the writable storage media is encrypted. If it is determined that the first portion of data is encrypted then the writable storage drive shreds a second portion of data within the writable storage media cartridge related to said encrypted first portion of data. The first portion of data and the second portion are not the same portions of the writable storage media cartridge.

Systems And Methods For Managing A Cache In A Multi-Node Virtual Tape Controller

US Patent:
2011018, Jul 28, 2011
Filed:
Jan 25, 2010
Appl. No.:
12/693359
Inventors:
Ralph T. Beeston - Tucson AZ, US
Erika M. Dawson - Tucson AZ, US
Duke A. Lee - Tucson AZ, US
David Luciani - Tucson AZ, US
Joel K. Lyman - Tucson AZ, US
Assignee:
International Business Machines Corporation - Armonk NY
International Classification:
G06F 12/00
G06F 12/08
US Classification:
711111, 711130, 711E12001, 711E12038
Abstract:
According to one embodiment, a system includes a virtual tape library having a cache, a virtual tape controller (VTC) coupled to the virtual tape library, and an interface for coupling at least one host to the VTC. The cache is shared by all the hosts, and a common view of a cache state, a virtual library state, and a number of write requests pending is provided to all the hosts by the VTC. In another embodiment, a method includes receiving data from at least one host using a VTC, storing data received from all the hosts to a cache using the VTC, sending an alert to all the hosts when free space is low and entering into a warning state, sending another alert to all the hosts when free space is critically low and entering into a critical state while allowing previously mounted virtual drives to continue normally.

Methods For Managing A Cache In A Multi-Node Virtual Tape Controller

US Patent:
2012023, Sep 20, 2012
Filed:
May 30, 2012
Appl. No.:
13/483827
Inventors:
Ralph T. Beeston - Tucson AZ, US
Erika M. Dawson - Tucson AZ, US
Duke A. Lee - Tucson AZ, US
David Luciani - Tucson AZ, US
Joel K. Lyman - Tucson AZ, US
Assignee:
INTERNATIONAL BUSINESS MACHINES CORPORATION - Armonk NY
International Classification:
G06F 12/08
US Classification:
711113, 711E12019
Abstract:
According to one embodiment, a method for managing cache space in a virtual tape controller includes receiving data from at least one host using the virtual tape controller; storing data received from the at least one host to a cache using the virtual tape controller; sending a first alert to the at least one host when a cache free space size is less than a first threshold and entering into a warning state using the virtual tape controller; sending a second alert to the at least one host when the cache free space size is less than a second threshold and entering into a critical state using the virtual tape controller; and allowing previously mounted virtual drives to continue normal writing activity when in the critical state.

Monitoring Of Extent Of Writing Of Unobscured Data To Improve Erase Performance On A Magnetic Medium

US Patent:
2014002, Jan 23, 2014
Filed:
Jul 17, 2012
Appl. No.:
13/551512
Inventors:
Erika M. Dawson - Tucson AZ, US
Scott M. Fry - Oro Valley AZ, US
Paul M. Greco - Tucson AZ, US
Gavin S. Johnson - San Jose CA, US
Duke A. Lee - Tucson AZ, US
Joel K. Lyman - Tucson AZ, US
Jon A. Lynds - San Jose CA, US
Cory G. Smith - Mesa AZ, US
Assignee:
INTERNATIONAL BUSINESS MACHINES CORPORATION - Armonk NY
International Classification:
G06F 12/00
US Classification:
711111, 711E12001
Abstract:
A system according to one embodiment includes a processor; logic in the processor and/or a memory configured to determine a furthest physical position on a magnetic medium that unobscured data has been written to; and logic configured to store an indicator of the furthest physical position on at least one of the magnetic medium and a memory coupled thereto. A system according to another embodiment includes a processor; logic in the processor and/or a memory configured to receive an instruction to obscure data on a magnetic medium; logic configured to read an indicator of a furthest physical position on the magnetic medium that unobscured data has been written to; and logic configured to cause obscuring of the unobscured data on the magnetic medium, and terminating the obscuring upon reaching the physical position in the indicator.

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