The restart information contains all information required by the database system to restart the database, including the following:
Information about the log area
The converter starting point that the database system backed up at the last savepoint
The history directory starting point that the database system backed up at the last savepoint
The starting point for the internal file directory
The restart information is located on the first page of the first data volume.
The database system updates the restart information at each savepoint.
Concepts of the Database System,
Database Manager CLI, db_restartinfo