METHOD, DEVICE, AND COMPUTER PROGRAM PRODUCT FOR HIERARCHICAL STORAGE OF FILES
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United States of America Patent
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Issued Date -
Mar 27, 2025
app pub date -
Nov 30, 2023
filing date -
Nov 30, 2023
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Abstract
Hierarchical storage of files is described. An example method includes determining an input/output (IO) mode, a file size, and a file access frequency of a target file, and determining IO mode performances of the IO mode at different tiers of a storage system. The method further includes determining, based on the file size of the target file, respective storage costs when the target file is stored at the different tiers of the storage system. In addition, the method further includes determining a target tier at which the target file is stored based on the IO mode performances, the respective storage costs, the file size, and the file access frequency. In this way, it is possible to make full use of less expensive storage tiers and save the cost of the storage system, as well as to reduce the response time and improve the performance of the storage system.
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