US Patent 9607000 Backup to tape-out using common backup data storage

A method of backing up data including backing up, using a processor, a backup data set to a first backup data storage; storing the backup data set in a native file format in a first storage area of the first backup data storage; generating a data stream file of the backup data set in a data stream file format, the data stream file being a logical copy of the backup data set and containing metadata of the backup data set; storing the data stream file in a second storage area of the first backup data storage; and replicating, using the data stream file, the backup data set onto a second backup data storage.