BackupRestoreBase.BlockSize Property

Gets or sets the physical block size of the backup or restore, in bytes.

Namespace:  Microsoft.SqlServer.Management.Smo
Assembly:  Microsoft.SqlServer.SmoExtended (in Microsoft.SqlServer.SmoExtended.dll)


Public Property BlockSize As Integer
Dim instance As BackupRestoreBase
Dim value As Integer

value = instance.BlockSize

instance.BlockSize = value
public int BlockSize { get; set; }
property int BlockSize {
    int get ();
    void set (int value);
member BlockSize : int with get, set
function get BlockSize () : int
function set BlockSize (value : int)

Property Value

Type: System.Int32
An Int32 value that specifies the block size in bytes.


The supported sizes are 512, 1024, 2048, 4096, 8192, 16384, 32768, and 65536 (64 KB) bytes. The default is 65536 for tape devices and 512 otherwise. Backup automatically selects the default for the device.

If you are taking a backup that you plan to copy onto and restore from a CD-ROM, specify BLOCKSIZE=2048.