--- title: "sys.backup_devices (Transact-SQL) | Microsoft Docs" ms.custom: "" ms.date: "03/14/2017" ms.prod: sql ms.prod_service: "database-engine" ms.reviewer: "" ms.technology: system-objects ms.topic: "language-reference" f1_keywords: - "backup_devices_TSQL" - "backup_devices" - "sys.backup_devices" - "sys.backup_devices_TSQL" dev_langs: - "TSQL" helpviewer_keywords: - "backup devices [SQL Server], viewing information" - "sys.backup_devices catalog view" ms.assetid: 457edaa4-aca1-4bd3-bf8d-734490b80fcd author: MashaMSFT ms.author: mathoma --- # sys.backup_devices (Transact-SQL) [!INCLUDE[tsql-appliesto-ss2008-xxxx-xxxx-xxx-md](../../includes/tsql-appliesto-ss2008-xxxx-xxxx-xxx-md.md)] Contains a row for each backup-device registered by using **sp_addumpdevice** or created in [!INCLUDE[ssManStudioFull](../../includes/ssmanstudiofull-md.md)]. |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 [!INCLUDE[ssCatViewPerm](../../includes/sscatviewperm-md.md)] For more information, see [Metadata Visibility Configuration](../../relational-databases/security/metadata-visibility-configuration.md). ## See Also [Catalog Views (Transact-SQL)](../../relational-databases/system-catalog-views/catalog-views-transact-sql.md) [BACKUP (Transact-SQL)](../../t-sql/statements/backup-transact-sql.md) [Backup Devices (SQL Server)](../../relational-databases/backup-restore/backup-devices-sql-server.md) [sp_addumpdevice (Transact-SQL)](../../relational-databases/system-stored-procedures/sp-addumpdevice-transact-sql.md) [Databases and Files Catalog Views (Transact-SQL)](../../relational-databases/system-catalog-views/databases-and-files-catalog-views-transact-sql.md) [Querying the SQL Server System Catalog FAQ](../../relational-databases/system-catalog-views/querying-the-sql-server-system-catalog-faq.md)