QoSSIOC is enabled for datastore but unavailable

QoSSIOC is enabled for a datastore, but QoSSIOC is unavailable.
Corrective action
Check that the VMware SIOC is enabled on the datastore:
  1. Open sioc.log in /var/log on the management node.

  2. Search for this text: SIOC is not enabled
  3. Use the vSphere Web Client or CLI to enable SIOC on the datastore.