US Patent No: 8,176,013

Number of patents in Portfolio can not be more than 2000

Systems and methods for accessing and updating distributed data

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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Systems and methods are disclosed that provide an indexing data structure. In one embodiment, the indexing data structure is mirrored index tree where the copies of the nodes of the tree are stored across devices in a distributed system. In one embodiment, nodes that are stored on an offline device are restored, and an offline device that comes back online is merged into the distributed system and given access to the current indexing data structure. In one embodiment, the indexing data structure is traversed to locate and restore nodes that are stored on offline devices of the distributed system.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
EMC IP HOLDING COMPANY LLCHOPKINTON, MA, US4715

International Classification(s)

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  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Anderson, Robert J Seattle, US 124 6424
Fachan, Neal T Seattle, US 43 2902
Godman, Peter J Seattle, US 27 1413
Passey, Aaron J Seattle, US 41 3018
Schack, Darren P Seattle, US 28 2155

Cited Art Landscape

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7,844,617 Systems and methods of directory entry encodings 23 2010
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8,015,216 Systems and methods of providing possible value ranges 12 2010
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2011/0044,209 SYSTEMS AND METHODS FOR PROVIDING A QUIESCING PROTOCOL 24 2010
8,060,521 Systems and methods of directory entry encodings 14 2010
7,971,021 Systems and methods for managing stalled storage devices 18 2010
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SEACHANGE INTERNATIONAL, INC. (8)
5,862,312 Loosely coupled mass storage computer cluster 168 1995
5,996,089 Loosely coupled mass storage computer cluster 134 1997
6,321,345 Slow response in redundant arrays of inexpensive disks 97 1999
6,571,349 Loosely coupled mass storage computer cluster 73 1999
6,449,730 Loosely coupled mass storage computer cluster 122 2001
6,557,114 Loosely coupled mass storage computer cluster 69 2001
6,567,926 Loosely coupled mass storage computer cluster 65 2001
6,574,745 Loosely coupled mass storage computer cluster 65 2002
 
SYBASE, INC. (1)
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HEWLETT PACKARD ENTERPRISE DEVELOPMENT LP (11)
5,774,643 Enhanced raid write hole protection and recovery 513 1995
6,055,564 Admission control where priority indicator is used to discriminate between messages 166 1998
6,671,704 Method and apparatus for handling failures of resource managers in a clustered environment 68 1999
6,742,020 System and method for managing data flow and measuring service in a storage network 112 2000
6,687,805 Method and system for logical-object-to-physical-location translation and physical separation of logical objects 49 2000
6,631,411 Apparatus and method for monitoring a chain of electronic transactions 54 2001
6,895,534 Systems and methods for providing automated diagnostic services for a cluster computer system 90 2001
2004/0143,647 System and method for efficiently replicating a file among a plurality of recipients in a reliable manner 57 2003
7,152,182 Data redundancy system and method 93 2003
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FREESCALE SEMICONDUCTOR, INC. (1)
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DOT HILL SYSTEMS CORPORATION (1)
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NEC CORPORATION (1)
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F5 Networks, Inc. (1)
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Delphi Data, a division of Sparks Industries, Inc. (1)
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MICROSOFT TECHNOLOGY LICENSING, LLC (12)
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6,202,085 System and method for incremental change synchronization between multiple copies of data 253 1996
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6,463,442 Container independent data binding system 99 1998
6,279,007 Architecture for managing query friendly hierarchical values 200 1998
6,408,313 Dynamic memory allocation based on free memory size 91 1998
6,523,130 Storage system having error detection and recovery 136 1999
6,546,443 Concurrency-safe reader-writer lock with time out support 128 1999
6,594,660 Share latch clearing 66 2000
2005/0289,188 Allocation locks and their use 64 2004
2006/0230,411 Resource accessing with locking 74 2005
 
Konica Corporation (1)
4,464,279 Magnetic recording medium 36 1982
 
KEMET ELECTRONICS CORPORATION (1)
6,334,966 Chemical oxidative preparation of conductive polymers 25 2000
 
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7,533,298 Write journaling using battery backed cache 56 2005
7,707,193 System and method for verifying and restoring the consistency of inode to pathname mappings in a filesystem 29 2005
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THOMSON LICENSING (1)
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ERICSSON INC. (1)
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6,598,174 Method and apparatus for storage unit replacement in non-redundant array 222 2000
 
VTech Telecommunications Limited (1)
6,940,966 Method and apparatus for detection of a telephone CPE alerting signal 61 2002
 
STEELEYE TECHNOLOGY, INC. (1)
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RAYMOND, WALSH & ENWRIGHT P.C., AS AGENT (1)
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ALCATEL (1)
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N_GINE LLC (1)
2007/0192,254 MULTI-PROCESSING FINANCIAL TRANSACTION PROCESSING SYSTEM 32 2007
 
VERANO (1)
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MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. (1)
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UNIVERSITY OF SOUTHERN CALIFORNIA (1)
2003/0161,302 Continuous media system 56 2003
* Cited By Examiner

Patent Citation Ranking

Forward Cite Landscape

Patent Info (Count) # Cites Year
 
EMC IP HOLDING COMPANY LLC (5)
8,286,029 Systems and methods for managing unavailable storage devices 7 2006
* 2008/0151,724 Systems and methods for managing unavailable storage devices 45 2006
8,966,080 Systems and methods of managing resource utilization on a threaded computer system 0 2007
8,625,464 Systems and methods for providing a quiescing protocol 0 2010
8,880,488 Efficient extent-based B-tree insertion 1 2012
* Cited By Examiner

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