sys.backup_devices (Transact-SQL)
Contains a row for each backup-device registered by using sp_addumpdevice or created in SQL Server Management Studio.
| Column name | Data type | Description | 
|---|---|---|
| name | sysname | Name of the backup device. Is unique in the set. | 
| type | tinyint | Type of backup device: 2 = Disk 3 = Diskette (obsolete) 5 = Tape 6 = Pipe (obsolete) 7 = Virtual device (for optional use by third-party backup vendors) Typically, only disk (2) and tape (5) are used. | 
| type_desc | nvarchar(60) | Description of backup device type: DISK DISKETTE (obsolete) TAPE PIPE (obsolete) VIRTUAL_DEVICE (for optional use by third party backup vendors) Typically, only DISK and TAPE are used. | 
| physical_name | nvarchar(260) | Physical file name or path of the backup device. | 
Permissions
In SQL Server 2005 and later versions, the visibility of the metadata in catalog views is limited to securables that a user either owns or on which the user has been granted some permission. For more information, see Metadata Visibility Configuration.