Several strategies can help you reduce resource and time contention when you back up your data and when you vault your backup media. Although these strategies may not be advantageous for all situations, they can be beneficial in many environments.
Symantec recommends that you use one of the following strategies:
Vault the original NetBackup backup media. Because you can produce multiple copies of images during a NetBackup policy job, fewer drives and less time may be required to create multiple original copies than duplicating media.