Before you begin using media for backups, you need to set up a media inventory from which BRMS can draw available media. There are primarily two ways to set up your media inventory: you can create sets of media and rotate the sets, or you can use a media pool.
This section provides information about the media set rotation method primarily because it is currently in use by some IBM customers. Because BRMS provides greater automation for tracking your media, it is recommended that you use the more flexible media pooling method.