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Tape drive management

You need to manage tape drives when you back up data from the storage system to tape and when you restore data from tape to the storage system.

When you back up data to tape, the data is stored in tape files. File marks separate the tape files, and the files have no names. You specify a tape file by its position on the tape. You write a tape file by using a tape device. When you read the tape file, you must specify a device that has the same compression type that you used to write that tape file.