US Patent No: 8,010,493

Number of patents in Portfolio can not be more than 2000

Systems and methods for a snapshot of data

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ALSO PUBLISHED AS: 20100161556
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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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In one embodiment, a user or client device is connected to a distributed file system comprised of one or more physical nodes. The data on each of the physical nodes store metadata about files and directories within the file system. Some of the embodiments permit a user to take a snapshot of data stored on the file system. The snapshot may include a single file, a single directory, a plurality of files within a directory, a plurality of directories, a path on the file system that includes nested files and subdirectories, or more than one path on the file system that each includes nested files and directories. In one embodiment, the metadata comprises mini-snapshots for directories representing a path from the root of the file system to the root of the snapshot. The mini-snapshots serve as stand-ins for portions of the file system which are not included in the snapshot, but which permit access to the snapshot data in an intuitive way.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
EMC CORPORATIONHOPKINTON, MA3861

International Classification(s)

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  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Anderson, Robert J Phoenixville, PA 185 4407
Fachan, Neal T Seattle, WA 86 2567
Lemar, Eric M Seattle, WA 29 878
Passey, Aaron J Seattle, WA 82 2651
Richards, David W Longmont, CO 17 361
Schack, Darren P Seattle, WA 55 1782

Cited Art Landscape

Patent Info (Count) # Cites Year
 
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2009/0055,607 Systems and methods for adaptive copy on write 59 2007
7,882,068 Systems and methods for adaptive copy on write 25 2007
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2009/0249,013 SYSTEMS AND METHODS FOR MANAGING STALLED STORAGE DEVICES 37 2008
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2009/0327,218 Systems and Methods of Reverse Lookup 36 2009
7,739,288 Systems and methods of directory entry encodings 38 2009
2010/0223,235 SYSTEMS AND METHODS FOR PROVIDING NONLINEAR JOURNALING 35 2010
2010/0161,556 SYSTEMS AND METHODS FOR A SNAPSHOT OF DATA 39 2010
2010/0161,557 SYSTEMS AND METHODS FOR A SNAPSHOT OF DATA 37 2010
2010/0185,592 Snapshot indexing 36 2010
2010/0235,413 SYSTEMS AND METHODS FOR PROVIDING A DISTRIBUTED FILE SYSTEM UTILIZING METADATA TO TRACK INFORMATION ABOUT DATA STORED THROUGHOUT THE SYSTEM 39 2010
2010/0306,786 SYSTEMS AND METHODS FOR NOTIFYING LISTENERS OF EVENTS 31 2010
2010/0241,632 SYSTEMS AND METHODS OF DIRECTORY ENTRY ENCODINGS 28 2010
7,844,617 Systems and methods of directory entry encodings 22 2010
2011/0016,155 SYSTEMS AND METHODS OF PROVIDING POSSIBLE VALUE RANGES 5 2010
2011/0016,353 SYSTEMS AND METHODS FOR DISTRIBUTED SYSTEM SCANNING 18 2010
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The Trustees of Columbia University in the City of New York (1)
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THOMSON LICENSING (1)
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Toyo Soda Manufacturing Co., Ltd. (1)
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Other [Check patent profile for assignment information] (9)
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Patent Citation Ranking

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Patent Info (Count) # Cites Year
 
EMC CORPORATION (11)
8,238,350 Message batching with checkpoints systems and methods 1 2005
8,286,029 Systems and methods for managing unavailable storage devices 1 2006
8,214,334 Systems and methods for distributed system scanning 1 2010
8,214,400 Systems and methods for maintaining distributed data 1 2010
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8,195,905 Systems and methods of quota accounting 1 2011
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INTERNATIONAL BUSINESS MACHINES CORPORATION (1)
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