Delete Oracle Archive Logs: Quick Guide

2 years ago
Olivia Parker
2 minutes

To clear the archive logs of an Oracle database, you can follow the steps below:

  1. First, connect to the server hosting the Oracle database and login using a user with the necessary permissions.
  2. Check the archivelog mode setting of the current database. You can use the following command to query:
  3. Retrieve the log mode from the V$DATABASE view.
  4. If the output shows ARCHIVELOG, it means the database is running in archivelog mode and can proceed with archivelog cleanup. If the output shows NOARCHIVELOG, it means the database is not running in archivelog mode and there is no need to clean up archivelogs.
  5. If the database is running in archive log mode, you can manually clear archive logs using the following command:
  6. Switch to the current redo log file.
  7. This command will archive the current archived log file being used, and then you can use the operating system command to delete the archived log files.
  8. You can use the following command to view the list of archived log files:
  9. Retrieve the names from the V$ARCHIVED_LOG table.
  10. This command will list the paths and filenames of the archived log files.
  11. Delete archived log files using operating system commands, such as rm or del.
  12. Remove the archived log file at the specified file path and file name.
  13. Either
  14. Delete the archived log file path and file name.
  15. Note: Before deleting archived log files, please make sure that you have backed up these files in case recovery is needed.
  16. Repeat steps 3 to 5 until all the archived log files that need to be deleted have been cleared.

Please note that deleting archive logs may limit the recovery ability of the database, so make sure to have necessary backups and understand the risks and impacts of clearing archive logs before proceeding with these operations.

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