Running maintenance on your server automatically performs Backup, Recovery and Media Services (BRMS) cleanup. updates save information, and runs reports.
You should run maintenance every day. You can customize which activities you want to perform when you run maintenance.
If you do not customize the maintenance activities, the following are performed:
To run maintenance in iSeries™ Navigator, right-click Backup, Recovery and Media Services and select Run Maintenance. If you want to customize the maintenance activities, click Options. There is also an option to run maintenance at the end of a backup in the properties for each backup policy.