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(2) When the back-up master recovers from a breakdown – Recovery
declaration at the master
Flow of a recovery declaration at the master
1) The recovery declaration operation is done at the master.
2) Each satellite stops sending updated GLU data (and clerk data*) to the master temporarily.
3) The master sends the updated GLU data (and clerk data*) files to the back-up master.
4) The master informs all satellites of the back-up master's recovery.
5) The satellites restart sending updated GLU data (and clerk data*) to the back-up master and the
IRC system returns to the normal state.
*Only for the centralized clerk file system
The recovery declaration procedure is the same as “(1) When the master recovers from a breakdown.”
2) Transmission stops
temporarily.
3) Updated data file
Satellite
4) Back-up master
recovery information
Back-up master
Master
1) Recovery declaration
5) Restart of updated data transmission