DOI 10.17586/0021-3454-2017-60-2-158-164
UDC 004.07
ENERGY PERFORMANCE OF LONG-TERM DATA STORAGE PROCESS
St. Petersburg State University of Economics, Department of Applied Information Technologies;
M. O. Kolbanev
St. Petersburg State University of Economics, Department of Applied Information Technologies; Professor
E. D. Poimanova
Saint Petersburg State University of Aerospace Instrumentation, Saint Petersburg, 190000, Russian Federation; Senior lecturer
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Abstract. The problem of long-term storage of large amounts of digital data is considered. Solutioning to the problem is shown to call for development of new technologies different from those used in real-time operation systems. Characteristics of modern systems, such as time of data recording/reading or time of data access in long-term storage systems recede into the background, while one of the key requirements becomes the ability of technology to provide persistent storage for the specified time at minimum cost of energy. Interdependence of energy and time characteristics of systems long-term storage of digital data are studied.
Keywords: data, storage system, energy sources, green information technology, energy barrier, metadata, data unit
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