This subsection describes the procedure at the source Datareplicator.

1. Terminate the source HiRDB normally.
2. Use the hdestate command to make sure that the read and write locations are the same in the extraction information queue file.
3. Use the hdestop command to terminate Datareplicator.
4. Delete the physical file that has been used for duplexing.
5. Delete the duplexing control file created under $HDEPATH at each node.
6. If a system switchover configuration is used, delete the duplexing control file under $HDEPATH at the target.
7. Delete the file duplexing specification from the extraction system definition.
8. Use the hdestart -i command to initialize Datareplicator.
9. Start the source HiRDB.
10. Execute the hdeprep command.
11. Use the hdestart command to start Datareplicator.

This subsection describes the procedure at the target Datareplicator.

Use the hdsstate command to make sure that the read and write locations are the same in the import information queue file.

1. Use the hdsstop command to terminate Datareplicator.
2. Delete the physical file that has been used for duplexing.
3. Delete the duplexing organization definition file created under $HDSPATH.
4. Delete the file duplexing specification from the import system definition.
5. Delete the duplexing control file created under $HDSPATH.
6. If a system switchover configuration is used, delete the duplexing control file under $HDEPATH at the target.
7. Use the hdsstart -i command to execute initial startup of Datareplicator.