Method for achieving layered storage and copy of data of storage system
A storage system and data technology, which is applied in the field of layered storage and replication of storage system data, can solve problems such as high price and capacity, achieve free flow, reduce system resource consumption, and design simple and effective effects
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[0015] Referring to the accompanying drawings, the content of the present invention will be described with a specific example to realize the process of this system structure.
[0016] As described in the summary of the invention, the architecture of the present invention mainly includes: a data segment management module (1) and a data layering module (2).
[0017] In a typical configuration environment, the data segment management module (1) linearly divides high-speed storage devices and low-speed storage devices into N areas, among which M areas are high-speed storage device areas (Mfigure 1 As shown, first update the count field of the read and write hit area to indicate the read and write frequency of this area, and then determine the data storage location of this linear area through dest_devid and dest_start_addr, and direct the data read and write requests to the actual storage area, realizing data replay Orientation function.
[0018] The data layering module (2) start...
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