A remote sensing image data management system and method
A data management system and remote sensing image technology, which is applied in the direction of electrical digital data processing, special data processing applications, transmission systems, etc., can solve the problems of poor scalability and high redundancy, and achieve the goals of reducing retrieval pressure, improving processing efficiency, and fast positioning Effect
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[0037] Such as figure 1 As shown, the method of the present invention introduces a virtual disk space (VDS, VirtualDiskSpace) on the storage site, and the single storage system that the original image direct addressing method is only suitable for is divided into M virtual disk spaces, which are respectively deployed in distributed N sites of the storage system (where N≤M).
[0038] For users, all VDSs constitute a complete data storage space, but in fact, each VDS is deployed on the corresponding distributed storage site, and is associated through the mapping table on the operation and maintenance service site, such as figure 2As shown, so as to ensure that each VDS can be mapped to the specified site IP address. Through VDS migration between sites, the dynamic expansion and change of system storage sites can be realized, so that the system has the scalability of a distributed storage system.
[0039] The internal file organization of each VDS is as follows: image 3 As sh...
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