File migration history controls updating or pointers
First Claim
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1. A method of enabling access to a specific file on a data processing system, the method comprising:
- maintaining a history regarding migration of the specific file on the system; and
upon access of a specific link representative of a pointer to a particular location associated with the specific file in a time period covered by the history, determining a current location of the specific file based on the history.
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Abstract
On a distributed data processing system, a history of file migration is maintained. When access to a file is requested and the file is not found, the migration history is consulted to determine the current location of the file, and to update links contained in other files that point to the request file.
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Citations
13 Claims
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1. A method of enabling access to a specific file on a data processing system, the method comprising:
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maintaining a history regarding migration of the specific file on the system; and
upon access of a specific link representative of a pointer to a particular location associated with the specific file in a time period covered by the history, determining a current location of the specific file based on the history. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. Control software for use on a data processing system, the software enabling access to a specific file on a data processing system, the software being operative to maintain a history regarding migration of the specific file on the system;
- and to determine a current location of the specific file based on the history upon access of a specific link representative of a pointer to a particular location associated with the specific file in a time period covered by the history.
- View Dependent Claims (9, 10, 11, 12)
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13. A data processing system enabling access to a specific file, the system being operative to maintain a history regarding migration of the specific file on the system;
- and to determine a current location of the specific file based on the history upon access of a specific link representative of a pointer to a particular location associated with the specific file in a time period covered by the history.
Specification