While configure manila with CephFS getting below error messgae : DriverNotInitialized: Share driver 'CephFSNativeDriver' not initialized.

Issue

• While configuring Manila with CephFS backend, hitting the below error message.

  2017-07-20 09:14:08.601 807176 ERROR oslo_service.periodic_task   File "/usr/lib/python2.7/site-packages/manila/utils.py", line 616, in wrapper
  2017-07-20 09:14:08.601 807176 ERROR oslo_service.periodic_task     raise exception.DriverNotInitialized(driver=driver_name)
  2017-07-20 09:14:08.601 807176 ERROR oslo_service.periodic_task DriverNotInitialized: Share driver 'CephFSNativeDriver' not initialized.
  2017-07-20 09:14:08.601 807176 ERROR oslo_service.periodic_task
  2017-07-20 09:14:08.607 807176 ERROR oslo_service.periodic_task [req-1a402ee5-5333-4373-9b82-e3117ec57f87 - - - - -] Error during ShareManager._report_driver_status
  2017-07-20 09:14:08.607 807176 ERROR oslo_service.periodic_task Traceback (most recent call last):
  2017-07-20 09:14:08.607 807176 ERROR oslo_service.periodic_task   File "/usr/lib/python2.7/site-packages/oslo_service/periodic_task.py", line 220, in run_periodic_tasks
  2017-07-20 09:14:08.607 807176 ERROR oslo_service.periodic_task     task(self, context)
  2017-07-20 09:14:08.607 807176 ERROR oslo_service.periodic_task   File "/usr/lib/python2.7/site-packages/manila/utils.py", line 616, in wrapper
  2017-07-20 09:14:08.607 807176 ERROR oslo_service.periodic_task     raise exception.DriverNotInitialized(driver=driver_name)
  2017-07-20 09:14:08.607 807176 ERROR oslo_service.periodic_task DriverNotInitialized: Share driver 'CephFSNativeDriver' not initialized.