Symptoms:
vSAN data alarm ‘vSAN object’
vSAN physical disk alarm ‘Operation’
vSAN 7.0.x
vSAN 8.0.x
Backups, restores, clones and snapshots of a vSAN Witness Host are not supported.
Clear the errors you are seeing using the steps below and do not back up the vSAN Witness Appliance.
To clear the error:
If a restart of the witness doesn't help, please follow:
Furthermore, in the future instead of having backups, clones or snapshots of a vSAN Witness Appliance, use the 'Change witness host' function in the vSphere Client to deploy a new Witness Host when there is an issue with the existing Witness Host.