# Data Object - VirtualDeviceFileBackingInfo(vim.vm.device.VirtualDevice.FileBackingInfo)

Extended by
  VirtualCdromIsoBackingInfo, VirtualDiskFlatVer1BackingInfo, VirtualDiskFlatVer2BackingInfo, VirtualDiskLocalPMemBackingInfo, VirtualDiskRawDiskMappingVer1BackingInfo, VirtualDiskSeSparseBackingInfo, VirtualDiskSparseVer1BackingInfo, VirtualDiskSparseVer2BackingInfo, VirtualFloppyImageBackingInfo, VirtualNVDIMMBackingInfo, VirtualParallelPortFileBackingInfo, VirtualSerialPortFileBackingInfo
Extends
  VirtualDeviceBackingInfo
See also
  Datastore
Since
  2.0

## Data Object Description

`VirtualDeviceFileBackingInfo` is a data object type for information about file backing for a device in a virtual machine.

Properties

Name | Type | Description
--- | --- | ---
backingObjectId* | xsd:string | Backing object's durable and unmutable identifier. Each backing object has a unique identifier which is not settable. Since vSphere API 5.5
datastore* | ManagedObjectReference to a Datastore | Reference to the datastore managed object where this file is stored. If the file is not located on a datastore, then this reference is null. This is not used for configuration.
fileName | xsd:string | Filename for the host file used in this backing.
Properties inherited from VirtualDeviceBackingInfo
None
Properties inherited from DynamicData
None

*Need not be set
Show WSDL type definition
<complexType xmlns="http://www.w3.org/2001/XMLSchema" xmlns:vsan="urn:vsan" name="VirtualDeviceFileBackingInfo"> <complexContent> <extension base="vsan:VirtualDeviceBackingInfo"> <sequence> <element name="fileName" type="xsd:string"/> <element name="datastore" type="vsan:ManagedObjectReference" minOccurs="0"/> <element name="backingObjectId" type="xsd:string" minOccurs="0"/> </sequence> </extension> </complexContent> </complexType>