Researchers Submit Patent Application, "Optimized Data Placement for Individual File Accesses on Deduplication-Enabled Sequential Storage Systems", for Approval
The patent's assignee is
News editors obtained the following quote from the background information supplied by the inventors: "The present invention relates generally to data storage. In particular, the present invention relates to data deduplication for streaming sequential data from storage such as tape storage.
"Data deduplication reduces the data footprint on storage media. For example, for backup data, deduplication is reported to reduce the data footprint by 10 to 100 times. Data deduplication is a form of data compression for eliminating redundant data and improving storage utilization. Large data sets often contain long stretches of duplicate bytes. Data deduplication compresses data by identifying these stretches of duplicate data and replacing them with references to a single copy of the unique data. As such, the amount of data that must be stored is reduced."
As a supplement to the background information on this patent application, VerticalNews correspondents also obtained the inventors' summary information for this patent application: "Embodiments of the invention relate to data deduplication for streaming sequential data storage such as tape storage. In one embodiment, deduplicated data placement for data storage tapes comprises determining the read throughput of a deduplicated set of individual files on a single data storage tape, and determining a placement of deduplicated file data on a single data storage tape to reduce an average number of per-file gaps on the tape. Deduplicated file data is placed on the single data storage tape based on said placement to increase an average read throughput for a deduplicated set of individual files.
"These and other aspects, features and advantages of the invention will be understood with reference to the drawing figures, and detailed description herein, and will be realized by means of the various elements and combinations particularly pointed out in the appended claims. It is to be understood that both the foregoing general description and the following brief description of the drawings and detailed description of the invention are exemplary and explanatory of preferred embodiments of the invention, and are not restrictive of the invention, as claimed.
BRIEF DESCRIPTION OF THE SEVERAL VIEWS OF THE DRAWINGS
"The subject matter which is regarded as the invention is particularly pointed out and distinctly claimed in the claims at the conclusion of the specification. The foregoing and other objects, features, and advantages of the invention are apparent from the following detailed description taken in conjunction with the accompanying drawings in which:
"FIG. 1 shows a sequential data storage information technology environment, according to an embodiment of the invention;
"FIG. 2 shows a data storage system implementing data placement, according to an embodiment of the invention;
"FIGS. 3A-3F show flowcharts of processes for deduplicated data placement for storage tape, according to an embodiment of the invention;
"FIG. 4 shows deduplicated data placement on tape, according to an embodiment of the invention;
"FIGS. 5A-5B show example graphs of metrics for deduplicated data placement, according to an embodiment of the invention;
"FIG. 6 shows an example of a content sharing graph; and
"FIG. 7 shows a block diagram of a computing system for implementing an embodiment of the invention."
For additional information on this patent application, see: CONSTANTINESCU,
Keywords for this news article include: Information Technology, Information and
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