A backup device is created to provide a storage destination for backups. SQL Server 2000 supports both permanent and temporary backup devices. Permanent backup devices are pre-created, named devices, which can serve as backup devices for multiple backups. Temporary backup devices are specified in the backup statement itself, and are intended for one-time use. Backups are supported to file, tape, and named pipes.
To state the obvious, tape devices are used to back up to tape. Tape devices must be directly connected to the server, and parallel backups to multiple drives are supported to increase throughput. Tape backups have the advantage of being scalable, portable, and secure. Scalability is important as your database ...