CHAPTER 18
Using Oracle Secure Backup as a Media Management Layer
RMAN comes preconfigured to work with a single disk channel. To back up and restore from a tape device, you need to configure a media management layer (MML), which works with the actual storage devices. When you instruct RMAN to work with a tape device, RMAN sends the media management layer the necessary information so the MML can send instructions to the actual storage media. In other words, RMAN doesn’t deal directly with tape devices. You can use Oracle’s own freely available Oracle Secure Backup (OSB) as your media management layer, or you can choose to go with a third-party ...
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