Operation When The Pos Server Outage Is Recovered; Backup Server Operation - Sharp UP-X300 Instruction Manual

■ Operation when the POS server outage is recovered

When the POS server is recovered, communications between all terminals and the backup POS server
is temporarily stopped. Then you have to merge both Master Databases of the POS server and the
Master Databases of the backup POS server. Then the system restarts allowing communications
between all terminals and the POS server/backup servers.
The time necessary to merge the Master Databases may take some time, it is recommended that you
execute this operate while the system is not in use and before taking system reports.
POS server
Master
Databases

■ Backup server operation

When the POS server works normally, you cannot execute Back Office operation at the backup server.
If the POS server outage is occurred, you can execute the Back Office operation at the backup server.
If you recover the POS server, you cannot execute the Back Office operation at the backup server. If
the Back Office operation is executed at this timing, Master Database merge between the POS server
and the backup server don't start. At the POS server and the backup master, "Close Back Office
Program at the Backup Server" confirmation window opens. After closing the Back Office program at
the backup master, the POS server starts to merge Master Database.
Backup Server
Master
Merge
Terminal 1 Terminal 2
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