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• 
  Damon Hawkins • Nov 18, 2020

  A fresh build:
  two node NUC (NUC8i7BEH) cluster running 7.0.1, 17119627
  vCenter 7.0.1.00100, 17004997
  VDS
  Pi 4, 8GB, 7.0.0, 17068872

  When creating a two host VSAN cluster, the witness host running on the Pi fails with the following:

  2020-11-18T02:23:00.988Z INFO vsan-mgmt[13750] [VsanPyVmomiProfiler::logProfile opID=1e1b62c3] invoke-method:ha-vsan-stretched-cluster-system:GetStretchedClusterCapability: 0.03s:pi01.xxxx.co.uk
  2020-11-18T02:23:01.021Z INFO vsan-mgmt[13750] [VsanPyVmomiProfiler::logProfile opID=1e1b62c3] invoke-method:ha-vsan-health-system:QueryVersion: 0.03s:pi01.xxxx.co.uk
  2020-11-18T02:23:01.021Z ERROR vsan-mgmt[13750] [VsanVcStretchedClusterSystemImpl::ConvertToStretchedCluster opID=1e1b62c3] Failed to configure a stretched cluster:
  2020-11-18T02:23:01.022Z ERROR vsan-mgmt[13750] [VsanVcStretchedClusterSystemImpl::ConvertToStretchedCluster opID=1e1b62c3] (vmodl.fault.ManagedObjectNotFound) {
  msg = '',
  obj = 'vim.host.VsanHealthSystem:ha-vsan-health-system'
  }
  Traceback (most recent call last):
  File "/build/mts/release/bora-17004997/bora/build/vcenter/release/pkg/vsanmgmt/stage/usr/lib/vmware-vpx/vsan-health/pyMoVsan/VsanVcStretchedClusterSystemImpl.py", line 2472, in ConvertToStretchedCluster
  File "/build/mts/release/bora-17004997/bora/build/vcenter/release/pkg/vsanmgmt/stage/usr/lib/vmware-vpx/vsan-health/pyMoVsan/VsanVcStretchedClusterSystemImpl.py", line 1330, in _PreCheckGetWitnessInfo
  File "/build/mts/release/bora-17004997/bora/build/vcenter/release/pkg/vsanmgmt/stage/usr/lib/vmware-vpx/vsan-health/pyMoVsan/VsanVcStretchedClusterSystemImpl.py", line 1502, in _GetHostVsanHealthVersion
  File "/usr/lib/vmware/site-packages/pyVmomi/VmomiSupport.py", line 592, in <lambda>
  self.f(*(self.args + (obj,) + args), **kwargs)
  File "/usr/lib/vmware/site-packages/pyVmomi/VmomiSupport.py", line 381, in _InvokeMethod
  return self._stub.InvokeMethod(self, info, args)
  File "/build/mts/release/bora-17004997/bora/build/vcenter/release/pkg/vsan-health/stage/usr/lib/vmware-vpx/vsan-health/pyMoVsan/VsanPyVmomiProfiler.py", line 413, in InvokeMethod
  File "/build/mts/release/bora-17004997/bora/build/vcenter/release/pkg/vsan-health/stage/usr/lib/vmware-vpx/vsan-health/pyMoVsan/VsanHostHelper.py", line 512, in InvokeMethod
  File "/usr/lib/vmware/site-packages/pyVmomi/SoapAdapter.py", line 1875, in InvokeMethod
  raise obj
  PyCppVmomi.vmodl.fault.ManagedObjectNotFound: (vmodl.fault.ManagedObjectNotFound) {
  msg = '',
  obj = 'vim.host.VsanHealthSystem:ha-vsan-health-system'
  }

• 
  vMan • Nov 18, 2020

  glad to see I am not the only one.

  I have built a whole new vCenter, vSAN cluster, etc... and i have the same problem as you. Bug #30

• 
  tobeee • Nov 18, 2020

  same issue here
  2 MSI Nucs + RPI

  first tried Vcenter 7 U1

  then 7.0.0.10700

  and Pi 4, 8GB, 7.0.0, 17068872
  with Standard Switch
  also with diffrent usb sticks

  no luck at all :(

• 
  William Lam • Nov 19, 2020

  ESXi-Arm is based on vSphere 7.0, this means for setting up vSAN Witness, you need to ensure both VC/ESXi-x86 match. I just deployed this using the latest ESXi-Arm Build (17068872) it works as expected.

  I've also updated my blog post to explicitly mention the supported builds:

  VCSA 7.0d 16620007
  VCSA 7.0c 16749653

  ESXi 7.0 15843807
  ESXi 7.0b 16324942

• 
  tobeee • Nov 20, 2020

  Thanks William

  Now it's working also with build
  VCSA 7.0d 16620013

• 
  vMan • Nov 20, 2020

  I completely reinstalled my vCenter, 2 x86 hosts and the Pi... still getting the same error.

  Task: vSAN operation precheck

  (vmodl.fault.ManagedObjectNotFound) {
  msg = '',
  faultCause = <unset>,
  faultMessage = (vmodl.LocalizableMessage) [],
  obj = 'vim.host.VsanHealthSystem:ha-vsan-health-system'
  }

  vCenter Server Appliance Version:7.0.0.10700 Build number 16749653

  Pi is on 17068872

  Hypervisor: VMware ESXi, 7.0.0, 16324942

  The pi has the correct vmware-fdm vib...

  vmware-fdm 7.0.0-16620014 VMware VMwareCertified 2020-09-01

  Honestly at this point I am like ??? any ideas?

• 
  Rob • Nov 20, 2020

  Got the "Failed to extract requested data. Check vSphere Client logs for details." when adding the Raspberry Pi as the witness. VCenter is 7.0.0.10700(d) Build number 16749653.

• 
  Damon Hawkins • Nov 21, 2020

  I have blown everything away and re-tested with:
  both VCSA 16620013 and 6749653
  16324942 on the ESXi cluster hosts
  ARM 17068872

  I still cannot get this to work, as seen by Rob, I get "Failed to extract requested data. Check vSphere Client logs for details." when adding the witness."
  In the logs:

  VsanVcStretchedClusterSystemImpl::ConvertToStretchedCluster opID=6e25819f] (vmodl.fault.ManagedObjectNotFound) {
  msg = '',
  faultCause = <unset>,
  faultMessage = (vmodl.LocalizableMessage) [],
  obj = 'vim.host.VsanHealthSystem:ha-vsan-health-system'
  }