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AssigneeInternational Business Machines Corporation
InventorsRoger L. Haskin, Wayne A. Sawdon, Frank B. Schmuck, James C. Wyllie
Estimating the term…
A system, method and computer readable medium for providing a file system snapshot with ditto address feature is disclosed. The method includes generating a file system snapshot wherein the snapshot is substantially empty. When metadata associated with a source file included in the snapshot is modified, the inode corresponding to the source file is copied to a shadow inode in the snapshot. When information is appended to a data block associated with a source file included in the snapshot, the inode corresponding to the source file is also copied to a shadow inode in the snapshot. When information in a data block associated with a source file included in the snapshot is overwritten or deleted, the inode corresponding to the source file is copied to a shadow inode in the snapshot and the original data block corresponding to the source file is copied to the snapshot.
A method for providing a file system snapshot, comprising:
A system for providing a file system snapshot, comprising:
A computer readable medium including computer instructions for providing a file system snapshot, the computer instructions comprising instructions for:
A system for providing a file system snapshot, comprising:
A method for deleting a first snapshot of a file system, comprising:
A method for restoring a first snapshot of a file system, comprising:
Dependencies are inferred from the claim text.