Name	Description
computeonlycluster
invalidduration
invalidobjuuid
invalidtarget
nestedfaultdomain
networkpartition	*Since*
perfsvcdisabled
runninginstance
stretchedcluster
vmnotpoweredon
vsandisabled
VsanIODiagnosticsFailedCheckType_Unknown
vsanobjectinremotedatastore

         <simpleType xmlns="http://www.w3.org/2001/XMLSchema" xmlns:vsan="urn:vsan" name="VsanIODiagnosticsFailedCheckType">
            <restriction base="xsd:string">
               <enumeration value="perfsvcdisabled"/>
               <enumeration value="vsandisabled"/>
               <enumeration value="runninginstance"/>
               <enumeration value="stretchedcluster"/>
               <enumeration value="nestedfaultdomain"/>
               <enumeration value="computeonlycluster"/>
               <enumeration value="networkpartition"/>
               <enumeration value="vmnotpoweredon"/>
               <enumeration value="vsanobjectinremotedatastore"/>
               <enumeration value="invalidtarget"/>
               <enumeration value="invalidobjuuid"/>
               <enumeration value="invalidduration"/>
               <enumeration value="VsanIODiagnosticsFailedCheckType_Unknown"/>
            </restriction>
         </simpleType>

Enum - VsanIODiagnosticsFailedCheckType(vim.vsan.IODiagnosticsFailedCheckType)

Enum Description