Troubleshooting tools

There are two troubleshooting tools to resolve issues in a NetBackup environment. One tool to identify unnecessary images in a NetBackup environment and the other tool to aggregate backup monitoring information.

Tool that identifies unnecessary images in a NetBackup environment

Orphaned and stale images are unnecessary images that can prematurely fill a DSU, which might cause subsequent backups to the DSU to fail. You can use this tool to find orphaned images and stale images in a specified DSU. Based on the results of running this tool, you can manually remove orphaned images and stale images from the DSU.

Note: Stale images are backup images that exist on the DSU and NetBackup catalog after exceeding their retention periods. You should remove stale images, because these images unnecessarily use storage.

Tool that aggregates backup monitoring information

You must know the following information to adequately size DSUs and ensure smooth implementation of the SnapVault for NetBackup feature:

The change rate for incremental backups
The amount of space savings between two subsequent full backups
The space savings for incremental backups
The variance in size for full backups
The space savings at a client level or a policy level

You can use the backup monitoring tool to aggregate this information and help you with the sizing and implementing activities. For more information about these tools, contact technical support.