Transaction Journal Files

The transaction journal files are named dbnnnnnnnnnn.log, with the nnnnnnnnnn value being a number in the range 1 through 9999999999. If you have not specified the root directory for a recovery journal (by using the JournalRootDirectory parameter in the [PersistentDb] section of the JADE initialization file), the journal directory root defaults to database-path\journals.

The root journal directory contains \current and \archive subdirectories, as follows.

• The current directory contains those journals that are required to recover from a system failure.

• The archive directory contains offline journals and it exists if the JournalArchiveDirectory parameter is not specified in the [PersistentDb] section of the JADE initialization file.

Every JADE database has associated online transaction journals to protect the database in case the database experiences a failure.

The online transaction journals contain before and after images for database updates and control records indicating transaction and database state transitions.