Distributed storage method and system
A distributed storage and node technology, applied in the direction of database distribution/replication, special data processing applications, instruments, etc., can solve problems such as users' concerns about use, complex operations of sharing and synchronizing data, and insufficient intelligence
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[0095] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.
[0096] Such as figure 1 As shown, the cluster cluster has 7 nodes, nodes 1-4 belong to the local area network local1, nodes 5-7 belong to the local area network local2, nodes 3 and 6 are also assigned Internet ip and ports, which can receive requests from all nodes, and the external network port It is usually implemented through port mapping on the gateway. Among them, node 7 loses connection with nodes 5 and 6 for some reason, probably because the network cable is loose or the device is shut down, so no node can connect to node 7, and node 7 is offline relative to the cluster. When node 7 is offline for a long time, such as more than one day, the cluster can mark node 7 as invalid.
[0097] The discovery between nodes in the LAN can be realized ...
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