REDUCING DIGEST STORAGE CONSUMPTION IN A DATA DEDUPLICATION SYSTEM
First Claim
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1. A method for reducing digests storage consumption in a data deduplication system using a processor device in a computing environment, comprising:
- calculating digest values for input data;
using the digest values to locate matches with data stored in a repository;
storing the digest values in the repository; and
removing the digest values of the data stored in the repository that is determined to be redundant with the input data.
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Abstract
For reducing digests storage consumption in a data deduplication system using a processor device in a computing environment, digest values are calculated for input data. The digest values are used to locate matches with data stored in a repository. The digest values are stored in the repository. The digest values of the data stored in the repository that is determined to be redundant with the input data are removed.
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Citations
24 Claims
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1. A method for reducing digests storage consumption in a data deduplication system using a processor device in a computing environment, comprising:
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calculating digest values for input data; using the digest values to locate matches with data stored in a repository; storing the digest values in the repository; and removing the digest values of the data stored in the repository that is determined to be redundant with the input data. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A system for reducing digests storage consumption in a data deduplication system of a computing environment, the system comprising:
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the data deduplication system; a repository operating in the data deduplication system; at least one processor device operable in the computing storage environment for controlling the data deduplication system, wherein the at least one processor device; calculates digest values for input data, uses the digest values to locate matches with data stored in a repository, stores the digest values in the repository, and removes the digest values of the data stored in the repository that is determined to be redundant with the input data. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16)
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17. A computer program product for reducing digests storage consumption in a data deduplication system using a processor device in a computing environment, the computer program product comprising a computer-readable storage medium having computer-readable program code portions stored therein, the computer-readable program code portions comprising:
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a first executable portion that calculates digest values for input data; a second executable portion that uses the digest values to locate matches with data stored in a repository; a third executable portion that stores the digest values in the repository; and a fourth executable portion that removes the digest values of the data stored in the repository that is determined to be redundant with the input data. - View Dependent Claims (18, 19, 20, 21, 22, 23, 24)
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Specification