To facilitate tape management, the BACKUP statement provides the following tape-specific options: TO DISK = Tape-Specific BACKUP and RESTORE options (Transact-SQL) The basic BACKUP syntax for specifying a backup file by using its physical device name is: Specify a backup file using its physical name (Transact-SQL) Also, putting the database and backup files on the separate devices optimizes the I/O performance for both the production use of the database and the writing of backups. If database files and backup files are on the same device and the device fails, the database and backups will be unavailable. This is necessary to make sure that you can access the backups if the data or log disk fails. We recommend that a backup disk be a different disk than the database data and log disks. SQL Server management tools are very flexible at handling disk backup devices because they automatically generate a time-stamped name on the disk file. For information about how to use a remote disk, see Backing Up to a File on a Network Share, later in this topic. A backup disk can be a local disk on the server or a remote disk that is a shared network resource. Alternatively, you could use a hot-swappable disk drive that would let you transparently replace a full disk on the drive with an empty disk. The maximum size of a backup file is determined by the free disk space available on the disk device therefore, the appropriate size for a backup disk device depends on the size of your backups.Ī disk backup device could be a simple disk device, such as an ATA drive. If a disk file fills while a backup operation is appending a backup to the media set, the backup operation fails. ![]() SQL Server Backups can also be written to Azure Blob Storage in addition to disk or tape. If a backup requires multiple backup devices, the devices all must correspond to a single type of device (disk or tape). A backup can be written to from 1 to 64 backup devices. For more information about media sets, see Media Sets, Media Families, and Backup Sets (SQL Server).Įither a tape drive or a disk file that is provided by the operating system. A backup file is a regular operating system file.Īn ordered collection of backup media, tapes or disk files, that uses a fixed type and number of backup devices. Terms and definitionsĪ hard disk or other disk storage media that contains one or more backup files. Backups on a set of one or more backup devices compose a single media set. This physical backup device is initialized when the first backup in a media set is written to it. Then select Control Panel > System and Security > Backup and Restore (Windows 7).During a backup operation on a SQL Server database, the backed up data (the backup) is written to a physical backup device. In the search box on the taskbar, type control panel. If you used Backup and Restore to back up files or create system image backups in previous versions of Windows, your old backup is still available in Windows 10. To save it in a different place, right-click Restore, select Restore to, and then choose a new location.įind your backups created on previous versions of Windows When you find the version you want, select Restore to save it in its original location. Look for the file you need, then use the arrows to see all its versions. In the search box on the taskbar, type restore files, and then select Restore your files with File History. If you're missing an important file or folder that you've backed up, here's how to get it back: Select Start > Settings > Update & Security > Backup > Add a drive, and then choose an external drive or network location for your backups. Use File History to back up to an external drive or network location. For more info on syncing settings, see About Windows backup and sync settings. In Windows 11, you can also restore your Microsoft Store apps and OneDrive folders. ![]() If you’ve chosen to sync settings from a Windows 10 or 11 device, they’ll be automatically restored on your new PC when you sign in with your Microsoft account. Select another backup to restore files from, select the location of your external storage device, and follow the instructions to restore your files. Select it from the list of results, then select Backup and Restore (Windows 7). In the search box on the taskbar, type Control Panel. Select Save backup copies of your files with File History from the list of results.įollow the instructions to restore your files.Ĭonnect the external storage device that contains your backup files. In the search box in Control Panel, type File History. ![]() ![]() In the search box on the taskbar, type Control Panel, then select it from the list of results. In Windows 11, you can restore files from a backup created with Backup and Restore or File History.Ĭonnect the external storage device that contains your backup files.
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