Demyn L Plantenberg

US Patent:

8180794, May 15, 2012

Filed:

Nov 2, 2011

Appl. No.:

13/287189

Inventors:

Demyn Lee Plantenberg - Sunnyvale CA, US
Frank B. Schmuck - Campbell CA, US
Yuri Volobuev - Champaign IL, US

Assignee:

International Business Machines Corporation - Armonk NY

International Classification:

G06F 7/00
G06F 17/30

US Classification:

707781, 707782

Abstract:

An identification system that may be used in heterogeneous computing environments provides a fail-free path to providing identifiers from a single canonical namespace. Objects or gateways requiring an identifier for access are accessed using an identifier for the canonical namespace. If an entity requests access using an identifier from another namespace, an external database is consulted to determine if a mapping exists for the identifier to another identifier the canonical namespace. If no mapping exists, or the external database is unavailable, then an identifier is automatically generated in the canonical namespace and is used for the access. An internal database is updated with the automatically generated identifier, providing a mechanism to add mappings without administrative intervention. To access resources requiring an identifier from another particular namespace, a canonical namespace identifier may be mapped to another identifier in the particular namespace, or a generic identifier may be used.

US Patent:

8447780, May 21, 2013

Filed:

Mar 20, 2012

Appl. No.:

13/425019

Inventors:

Demyn Lee Plantenberg - Sunnyvale CA, US
Frank B. Schmuck - Campbell CA, US
Yuri Volobuev - Champaign IL, US

Assignee:

International Business Machines Corporation - Armonk NY

International Classification:

G06F 7/00
G06F 17/30

US Classification:

707781, 707782

Abstract:

An identification system that may be used in heterogeneous computing environments provides a fail-free path to providing identifiers from a single canonical namespace. Objects or gateways requiring an identifier for access are accessed using an identifier for the canonical namespace. If an entity requests access using an identifier from another namespace, an external database is consulted to determine if a mapping exists for the identifier to another identifier the canonical namespace. If no mapping exists, or the external database is unavailable, then an identifier is automatically generated in the canonical namespace and is used for the access. An internal database is updated with the automatically generated identifier, providing a mechanism to add mappings without administrative intervention. To access resources requiring an identifier from another particular namespace, a canonical namespace identifier may be mapped to another identifier in the particular namespace, or a generic identifier may be used.

US Patent:

20110055275, Mar 3, 2011

Filed:

Aug 27, 2009

Appl. No.:

12/549205

Inventors:

Demyn Lee Plantenberg - Sunnyvale CA, US
Frank B. Schmuck - Campbell CA, US
Yuri Volobuev - Champaign IL, US

Assignee:

INTERNATIONAL BUSINESS MACHINES CORPORATION - Armonk NY

International Classification:

G06F 15/16
G06F 17/30
G06F 7/10

US Classification:

707783, 709229, 707E17108

Abstract:

An identification system that may be used in heterogeneous computing environments provides a fail-free path to providing identifiers from a single canonical namespace. Objects or gateways requiring an identifier for access are accessed using an identifier for the canonical namespace. If an entity requests access using an identifier from another namespace, an external database is consulted to determine if a mapping exists for the identifier to another identifier the canonical namespace. If no mapping exists, or the external database is unavailable, then an identifier is automatically generated in the canonical namespace and is used for the access. An internal database is updated with the automatically generated identifier, providing a mechanism to add mappings without administrative intervention. To access resources requiring an identifier from another particular namespace, a canonical namespace identifier may be mapped to another identifier in the particular namespace, or a generic identifier may be used.

US Patent:

20120330904, Dec 27, 2012

Filed:

Jun 27, 2011

Appl. No.:

13/169069

Inventors:

Michael Factor - Haifa, IL
Joseph Samuel Glider - Palo Alto CA, US
Danny Harnik - Tel Mond, IL
Elliot K. Kolodner - Haifa, IL
Dalit Naor - Tel-Aviv, IL
Demyn Lee Plantenberg - Sunnyvale CA, US
Eran Rom - Tel Aviv, IL
Sivan Tal - Sarid, IL
Paula Ta-Shma - Tel Aviv-Jaffa, IL

Assignee:

International Business Machines Corporation - Armonk NY

International Classification:

G06F 17/30

US Classification:

707692, 707E17002

Abstract:

In accordance with one or more embodiments, an inode implemented file system may be utilized to support both offline and inline deduplication. When the first content is stored in the storage medium, one inode is used to associate a filename with the data blocks where the first content is stored. When a second content that is a duplicate of the first content is to be stored, then a parent inode is created to point to the data blocks in which a copy of the first content is stored. Further, two inodes are created, one representing the first content and the other representing the second content. Both inodes point to the same parent inode that points to the data blocks where the first content is stored.

US Patent:

20130054540, Feb 28, 2013

Filed:

Aug 24, 2011

Appl. No.:

13/216272

Inventors:

Michael E. Factor - Haifa, IL
Joseph Samuel Glider - Palo Alto CA, US
Danny Harnik - Tel Mond, IL
Elliot K. Kolodner - Haifa, IL
Dalit Naor - Tel Aviv, IL
Demyn Lee Plantenberg - Sunnyvale CA, US
Sivan Tal - Yokneam, IL

Assignee:

International Business Machines Corporation - Armonk NY

International Classification:

G06F 17/30

US Classification:

707692, 707E17005

Abstract:

Systems and methods for optimizing deduplication in a data storage system are provided. The method comprises associating a first name with first data blocks including first content stored in a data storage system, wherein the first name is associated with the first data blocks by way of a reference to a first meta file that points to a data file which points to the first data blocks; storing a first signature derived from the first content in an indexing data structure, wherein the first signature is used to associate the first name with the first data blocks and as means to verify whether a second content is a duplicate of the first content, based on value of a second signature derived from the second content.