File system replication
First Claim
Patent Images
1. A method of file system replication comprising:
- determining whether one of a plurality of files included in an original file system has been updated since a previous replication, the file having a plurality of data segments; and
in the event that the file has been updated, locating among the plurality of data segments a previously stored data segment that is newly referenced by the file, and that does not require replication.
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Abstract
File system replication includes determining whether one of a plurality of files included in an original file system has been updated since a previous replication, the file having a plurality of data segments, and in the event that the file has been updated, locating among the plurality of data segments a previously stored data segment that is newly referenced by the file, and that does not require replication.
109 Citations
35 Claims
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1. A method of file system replication comprising:
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determining whether one of a plurality of files included in an original file system has been updated since a previous replication, the file having a plurality of data segments; and in the event that the file has been updated, locating among the plurality of data segments a previously stored data segment that is newly referenced by the file, and that does not require replication. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33)
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34. A file system replicator comprising:
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a processor configured to; determine whether one of a plurality of files included in an original file system has been updated since a previous replication, the file having a plurality of data segments; and in the event that the file has been updated, locate among the plurality of data segments a previously stored data segment that is newly referenced by the file, and that does not require replication; and a memory coupled to the processor, configured to provide the processor with instructions.
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35. A computer program product for file system replication, the computer program product being embodied in a computer readable medium and comprising computer instructions for:
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determining whether one of a plurality of files included in an original file system has been updated since a previous replication, the file having a plurality of data segments; and in the event that the file has been updated, locating among the plurality of data segments a previously stored data segment that is newly referenced by the file, and that does not require replication.
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Specification