How do I replace media in my library?

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If you do not wish to reuse the media ID of the replaced media, move the old media out of the library and replace the old media with new media with identical characteristics except for the media ID. If you wish to reuse the media ID, expire the old media with bpexpdate -d 0 -ev media id, move the old media out of the library, delete the media from the NetBackup media database, insert new media with identical characteristics including the media ID. The second method will result in data loss if the tape is not already expired.