# Fault - VmFaultToleranceInvalidFileBacking(vim.fault.VmFaultToleranceInvalidFileBacking)

Extends
  VmFaultToleranceIssue
Since
  vSphere API 4.0

## Fault Description

Indicates the file backing for some device prevents fault tolerance protection

Properties

Name | Type | Description
--- | --- | ---
backingFilename* | xsd:string |
backingType* | xsd:string | The device type of the file backing
Properties inherited from VmFaultToleranceIssue
None
Properties inherited from VimFault
None
Properties inherited from MethodFault
faultCause, faultMessage

*May not be present
Show WSDL type definition
<complexType xmlns="http://www.w3.org/2001/XMLSchema" xmlns:sms="urn:sms" name="VmFaultToleranceInvalidFileBacking"> <complexContent> <extension base="sms:VmFaultToleranceIssue"> <sequence> <element name="backingType" type="xsd:string" minOccurs="0"/> <element name="backingFilename" type="xsd:string" minOccurs="0"/> </sequence> </extension> </complexContent> </complexType>