1
Steven Kleiman, David Hitz, Guy Harris, Sean O&apos Malley: File system image transfer. Network Appliance, Swernofsky Law Group PC, August 5, 2003: US06604118 (216 worldwide citation)

The invention provides a method and system for duplicating all or part of a file system while maintaining consistent copies of the file system. The file server maintains a set of snapshots, each indicating a set of storage blocks making up a consistent copy of the file system as it was at a known ti ...


2
David Hitz, Michael Malcolm, James Lau, Byron Rakitzis: Copy on write file system consistency and block usage. Network Appliance, Swernofsky Law Group PC, May 10, 2005: US06892211 (178 worldwide citation)

The present invention provides a method for keeping a file system in a consistent state and for creating read-only copies of a file system. Changes to the file system are tightly controlled. The file system progresses from one self-consistent state to another self-consistent state. The set of self-c ...


3
Douglas P Doucette, Blake Lewis, John K Edwards: Space allocation in a write anywhere file system. Network Appliance, Swernofsky Law Group PC, October 21, 2003: US06636879 (164 worldwide citation)

A method and system for improving data access of a reliable file system is provided. In a first aspect of the invention, the file system determines the relative vacancy of a collection of storage blocks, herein called an “allocation area”. This is accomplished by recording an array of binary numbers ...


4
Robert S Alvin: Multi-level fraud check with dynamic feedback for internet business transaction processor. Swernofsky Law Group PC, November 21, 2006: US07139731 (114 worldwide citation)

An Internet business transaction processor of the present invention has a distributed processing architecture which allows the processing load to be distributed among multiple parallel servers. The transaction processor of the present invention provides a virtual store front utilizing “others people ...


5
Blake Lewis, John K Edwards, Srinivasan Viswanathan: Instant snapshot. Network Appliance, Swernofsky Law Group PC, July 4, 2006: US07072916 (109 worldwide citation)

An improved method and apparatus for creating a snapshot of a file system. A record of which blocks are being used by a snapshot is included in the snapshot itself, allowing effectively instantaneous snapshot creation and deletion. The state of the active file system is described by a set of metafil ...


6
John Funge, Ron Musick, Daniel Dobson, Nigel Duffy, Michael McNally, Xiaoyuan Tu, Ian Wright, Wei Yen, Brian Cabral: Real time context learning by software agents. AiLive, Swernofsky Law Group PC, November 13, 2007: US07296007 (104 worldwide citation)

Providing dynamic learning for software agents in a simulation. Software agents with learners are capable of learning from examples. When a non-player character queries the learner, it can provide a next action similar to the player character. The game designer provides program code, from which comp ...


7
David Hitz, Andrea Borr, Robert J Hawley, Mark Muhlestein, Joan Pearson: File access control in a multi-protocol file server. Network Appliance, Swernofsky Law Group PC, September 24, 2002: US06457130 (94 worldwide citation)

The invention provides a method and system for enforcing file access control among client devices using multiple diverse access control models and multiple diverse file server protocols. A multi-protocol file server identifies each file with one particular access control model out of a plurality of ...


8
Srinivasan Viswanathan, Steven R Kleiman: Recovery of file system data in file servers mirrored file system volumes. Network Appliance, Swernofsky Law Group PC, November 25, 2003: US06654912 (93 worldwide citation)

The invention provides a method and system for recovery of file system data in file servers having mirrored file system volumes. The invention makes use of a “snapshot” feature of a robust file system (the “WAFL File System”) disclosed in the Incorporated Disclosures, to rapidly determined which of ...


9
David Hitz, Michael Malcolm, James Lau, Byron Rakitzis: Copy on write file system consistency and block usage. Network Appliance, Swernofsky Law Group PC, April 13, 2004: US06721764 (91 worldwide citation)

The present invention provides a method for keeping a file system in a consistent state and for creating read-only copies of a file system. Changes to the file system are tightly controlled. The file system progresses from one self-consistent state to another self-consistent state. The set of self-c ...


10
David Hitz, John Edwards, Blake Lewis: Multiple concurrent active file systems. Network Appliance, Swernofsky Law Group PC, February 15, 2005: US06857001 (88 worldwide citation)

Maintenance of plural active file systems, wherein each of the active file systems initially access data shared with another of the active file systems, and wherein changes made to each of the active file systems are not reflected in other active file systems. When a second active file system is cre ...



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