# Data Object - VsanBrokenDiskChainIssue(vim.vsan.upgradesystem.BrokenDiskChainIssue)

Extends
  VsanUpgradeSystemPreflightCheckIssue
Since
  vSphere API 6.5

## Data Object Description

Preflight check encountered a disk chain that could not be processed. This suggests that a parent object in a snapshot chain was unable to be opened either due to being removed, CID mismatch or some other error.

Properties

Name | Type | Description
--- | --- | ---
uuids | xsd:string[] | Object UUIDs of broken diskchain objects
Properties inherited from VsanUpgradeSystemPreflightCheckIssue
msg
Properties inherited from DynamicData
None

Show WSDL type definition
<complexType xmlns="http://www.w3.org/2001/XMLSchema" xmlns:vsan="urn:vsan" name="VsanBrokenDiskChainIssue"> <complexContent> <extension base="vsan:VsanUpgradeSystemPreflightCheckIssue"> <sequence> <element name="uuids" type="xsd:string" maxOccurs="unbounded"/> </sequence> </extension> </complexContent> </complexType>