Failure data recovery method based on improved erasure codes
A technology of invalid data and erasure codes, which is applied in the field of invalid data repair based on erasure codes, can solve the problem of data repair methods such as limited repair efficiency, bottleneck bandwidth, etc., to reduce the amount of transmitted data, reduce bandwidth costs, and improve repair efficiency Effect
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[0088] figure 1 It is a physical structure diagram of the distributed storage system constructed in the first step of the present invention. The nodes of the distributed storage system are composed of control nodes and storage nodes. Both control nodes and storage nodes are computers that contain processors, memory, disks, and network interfaces. The control node and the storage node are connected through an interconnection network.
[0089] figure 2 It is a software deployment diagram of the distributed storage system of the present invention. Operating system, TCP / IP network software, data writing management program and data repair program are installed on the control node. Wherein the operating system and the TCP / IP network software are general software, which are obtained from publicly issued software packages; the data writing management program and the data repair program are special software of the present invention. An operating system, TCP / IP network software, d...
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