Method for assuring bill document and primary data consistence during the process of dual system switch
A raw data, dual-machine switching technology, applied in the field of data processing, can solve the problem of not being able to fully guarantee the consistency of the bill data and the original data, and achieve the effect of improving the generation efficiency and ensuring the consistency
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[0028] The core of the present invention is that the master device generates and saves the first working state flag, so as to record its own working state. And by using synchronization software, it is ensured that the second working state flag generated and saved by the standby device is synchronized with the first working state flag of the active device. The first working state flag and the second working state flag can record the three states of the device when it is working, that is, collecting raw data, generating bill files, and bill generation. In specific implementation, values such as 1, 2, and 0 can be used Representation way to represent these three states respectively. In this way, the standby device can know the working status of the primary device at that time during the switchover, so as to ensure that the bill data is consistent with the original data during the switchover process.
[0029] The present invention will be further described below in conjunction ...
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