ASA Database Administration Guide
Backup and Data Recovery
Backup and recovery tasks
The process for validating a transaction log file depends on whether it is in use on a production database (online) or is not in use (offline, or a backup copy).
To validate an online transaction log
Run your database with a mirrored transaction log. The database server automatically validates the transaction log each time the database is started.
To validate an offline or backed up transaction log
Run the Log Translation utility (dbtran) against the log file. If the Log Translation utility can successfully read the log file, it is valid.