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Microsoft SQL Server Virtual Backup Documentation
VDF_SkipBlocks (x020)
Microsoft SQL Server Virtual Backup
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Microsoft SQL Server Virtual Backup Device Specification
VDF_SkipBlocks (x020)
The device must support the VDC_SkipBlocks command.
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Microsoft SQL Server Virtual Backup Device Specification
SQL Server 2005 Virtual Backup Device Specification
Changes from SQL Server version 7.0
Overview
Client State Diagram
Server State Diagram
Client Transitions
Server Transitions
Initialization
Configuration
Active
Normal Termination
Abnormal Termination
Process Model
Security
Client Functions
IClientVirtualDeviceSet2::CreateEx
IClientVirtualDeviceSet2::GetConfiguration
IClientVirtualDeviceSet2::OpenDevice
IClientVirtualDevice::GetCommand
IClientVirtualDevice::CompleteCommand
IClientVirtualDeviceSet2::SignalAbort
IClientVirtualDeviceSet2::Close
IClientVirtualDeviceSet2::OpenInSecondaryEx
IClientVirtualDeviceSet2::GetBufferHandle
IClientVirtualDeviceSet2::MapBufferHandle
Server Functions
IServerVirtualDeviceSet2::Open
IServerVirtualDeviceSet2::GetConfiguration
IServerVirtualDeviceSet2::BeginConfiguration
IServerVirtualDeviceSet2::EndConfiguration
IServerVirtualDeviceSet2::RequestBuffers
IServerVirtualDeviceSet2::ExecuteCompletionAgent
IServerVirtualDeviceSet2::OpenDevice
IServerVirtualDeviceSet2::AllocateBuffer
IServerVirtualDeviceSet2::FreeBuffer
IServerVirtualDeviceSet2::IsSharedBuffer
IServerVirtualDevice::SendCommand
IServerVirtualDevice::CloseDevice
IServerVirtualDeviceSet2::SignalAbort
IServerVirtualDeviceSet2::Close
Configuration
Description
VDConfig Structure
Feature Bits
VDF_Removable (0x001)
VDF_FileMarks (0x100)
VDF_RandomAccess (x200)
VDF_Rewind (x002)
VDF_Position (x010)
VDF_SkipBlocks (x020)
VDF_ReversePosition (x040)
VDF_Discard (0x080)
VDF_SnapshotPrepare (0x0400)
VDF_WriteMedia (0x10000)
VDF_ReadMedia (0x20000)
Commands
Command General Rules
Command Error Handling
Command Descriptions
VDC_Read
VDC_Write
VDC_ClearError
VDC_Rewind
VDC_WriteMark
VDC_SkipMarks
VDC_SkipBlocks
VDC_Load
VDC_GetPosition
VDC_SetPosition
VDC_Discard
VDC_Flush
VDC_Snapshot
VDC_PrepareToFreeze
VDC_MountSnapshot
VDC_Command Client Command Inputs
VDS_Command Server Command Inputs
VDS_Command Server Command Outputs
Command Inputs
Command Outputs
Client Supported Commands
End Of Media and Unexpected Filemarks
SNAPSHOT Support
Creation of a Snapshot
Media Recovery Using the Snapshot
Scenarios
Restore Database
Disaster Recovery, Master Backup Available
Disaster Recovery, Master Backup Not Available
Initialize Warm Standby
Restore and Recover Database, Relocating Files
Restore Damaged Files from File Backups
Disaster Recovery, Backup of "System Volumes" Available
Details
BACKUP Statement
RESTORE Statement
Error Codes and Logs
VD_E_NOTOPEN
VD_E_TIMEOUT
VD_E_ABORT
VD_E_SECURITY
VD_E_INVALID
VD_E_INSTANCE_NAME
VD_E_NOTSUPPORTED
VD_E_MEMORY
VD_E_UNEXPECTED
VD_E_PROTOCOL
VD_E_OPEN (0x8077000D)
VD_E_CLOSE
VD_E_QUEUE_FULL
Converting Applications Written for Pipes
Reading or Writing
Termination
Glossary
Finding More Information
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