Data processing: database and file management or data structures – Database design – Data structure types
Patent
1995-12-15
1998-06-30
Lintz, Paul R.
Data processing: database and file management or data structures
Database design
Data structure types
707 10, G06F 1730
Patent
active
057747172
ABSTRACT:
A method for resolving file system conflicts between a client file system and a server file system after the client file system has been disconnected from the server file system. Changes to the client file system are replayed for application to the server file system. Conflicts between the proposed changes and the current state of the server file system are detected and actions conditioned on the conflict type are presented to a user for selection. User selection and conflict type are used to determine the conflict resolution to apply to the client data during application. All conflicts are resolved as they are detected. The resynchronization process is controllable by the user from a display panel that presents the replay status and allows user interaction to monitor and alter the replay of transactions. The novel interface allows detailed control of the resynchronization.
REFERENCES:
Satyanarayanan et al., "Coda: A Highly Available File System for a Distributed Workstation Environment", IEEE Transactions on Computers, vol. 39, No. 4, Apr. 1990, pp. 447-459.
Satyanarayanan et al., "On the Ubiquity of Logging in Distributed File Systems", Proceedings, Third Workshop on Workstation Operating Systems, Key Biscayne, Florida, 23-24 Apr., 1992, pp. 122-125.
Satyanarayanan, "Mobile Computing", Computer, vol. 26, No. 9, Sep. 1993, pp. 81-82.
Kistler, "Increasing File System Availability Through Second-Class Replication", Proceedings: Workshop on the management of Replicated Data, Houston, Texas, 8-9 Nov. 1990, pp. 65-69.
Honeyman et al., "Communications and Consistency in Mobile File Systems", IEEE Personal Communications, vol. 2, No. 6, Dec. 1995, pp. 44-48.
Disconnected Operation in a Distributed File System, Carnegie Mellon University, School of Computer Science, 1993, J. J. Kistler, Ph.D. Thesis, pp. 167-184.
Disconnected Operation in the Coda File System, Section 4.5.2 "Conflict Handling", Feb. 1992, Kistler et al. pp. 12-13.
Coda: A Highly Available File System for a Distributed Workstation Environment, Section, V, "Conflict Resolution", Kistler et al. IEEE Transactions on Computers vol. 39, No. 4, p. 452 Apr. 1990.
International Business Machines - Corporation
Lintz Paul R.
Walker Mark S.
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