Reducing time in access path recovery The system ensures the integrity of an access path before you can use it. If the system determines that the access path is unusable, the system attempts to recover it. Access path recovery might take a long time; however, you can reduce the recovery time in several ways.
Database recovery process after an abnormal system end After an abnormal system end, the system proceeds through several automatic recovery steps. The system rebuilds the directory and synchronizes the journal to the files being journaled. The system performs recovery operations during IPL and after IPL.
Database save and restore You can save and restore database files and related objects with any supported device and media or a save file.