<timestamp> Wa(12) hostprofile[2099609]: opID=MainThread: Core dump file is enabled. Disabling it
<timestamp> Wa(12) hostprofile[2099609]: opID=MainThread: Shutting off coredump file: 0:True
<timestamp> In(14) hostprofile[2099609]: opID=MainThread: Now caching to disk: t10.ATA_____#########################________________________###########
<timestamp> Er(11) hostprofile[2099609]: opID=MainThread: EngineModule::ApplyHostConfig. Exception: ("Errors: \nVolume '########-########-####-############' cannot be unmounted. Reason: Busy\n", b'')
<timestamp> Wa(12) hostprofile[2099609]: opID=MainThread: EngineModule::ApplyHostConfig. Backtrace:
<timestamp> Wa(12)[+] hostprofile[2099609]:
<timestamp> Wa(12) hostprofile[2099609]: opID=MainThread: File "/lib64/python3.8/site-packages/hostprofiles/tests/tools/hpcliModules/engineModule.py", line 553, in ApplyTaskList
<timestamp> Wa(12)[+] hostprofile[2099609]:
<timestamp> Wa(12) hostprofile[2099609]: opID=MainThread: File "/lib64/python3.8/site-packages/hostprofiles/pyEngine/applyConfigSpec.py", line 4724, in ApplyHostConfig
<timestamp> Wa(12) hostprofile[2099609]: opID=MainThread: Adding missing key EsxcliError.summary
<timestamp> Wa(12) hostprofile[2099609]: opID=MainThread: excObj is of unknown type: <class 'esxutils.EsxcliError'>
<timestamp> In(14) hostprofile[2099609]: opID=MainThread: Cleaned up Host Configuration
<timestamp> In(14) hostprofile[2099609]: opID=MainThread: /sbin/applyHostProfile sending boot msg to console: Applying Host Profile task list...Error
<timestamp> Er(11) hostprofile[2099609]: opID=MainThread: while applying tasks: (vmodl.fault.SystemError) {
YYYY-MM-DD HH:MM:SS Wa(180) vmkwarning: cpu36:2102413)WARNING: VC: 2445: unmounting opened volume ('######-########-####-############' 'OSDATA-######-########-####-############') with ref 3 is not allowed.
YYYY-MM-DD HH:MM:SS In(182) vmkernel: cpu36:2102413)FSS: 9877: File fdmDump.log, fhID: ######, is opened by world: <world_id> - fdm
YYYY-MM-DD HH:MM:SS In(182) vmkernel: cpu36:2102413)VC: 2716: Unmount volume #### ## # ###### ######## ####### ###### : Busy
When the chosen system cache partition is in use, it cannot be reformatted/unmounted. The stateful install or system cache fails due to one of the following causes:
1. The partition is used by OSData
2. A log file is hardcoded to some file path of that partition
This issue has been resolved in vCenter Server 8.0 U3e, please patch the vCenter Server to 8.0 Update 3e Build 24674346.
Reference : VMware vCenter Server 8.0 Update 3e Release Notes
Please refer to the following KB as well : Hostprofile compliance fails with error "Host does not appear to have a compliant stateless cache