Hello. We are using cDOT8.3P2 and OpenStack Queens on RHEL7.5.
When we create volume, "NaApiError: NetApp API failed. Reason - 14970:Clone operation failed to start: Clone file does not exist.." error occurred.
Error message is shown in the cinder-volume.log as below.
2018-07-04 15:16:36.158 61 DEBUG cinder.volume.drivers.netapp.dataontap.nfs_cmode [req-b258c973-7618-4289-a600-8d043e5571fc 015111ec881e4182a77ae3f46a640b60 3099a7d711cb46ab8a22b0cc651f927c - default default] Trying copy from cache using cloning. _copy_from_cache /usr/lib/python2.7/site-packages/cinder/volume/drivers/netapp/dataontap/nfs_cmode.py:481
2018-07-04 15:16:36.328 61 DEBUG cinder.volume.drivers.netapp.dataontap.client.client_cmode [req-b258c973-7618-4289-a600-8d043e5571fc 015111ec881e4182a77ae3f46a640b60 3099a7d711cb46ab8a22b0cc651f927c - default default] Cloning with params volume cinder_system, src img-cache-e38c5845-d167-46bd-ba73-2103f5cd7db5, dest volume-34027a4a-fd3a-4f25-b0b6-a7d624c27571, vserver <vserver name>,source_snapshot None clone_file /usr/lib/python2.7/site-packages/cinder/volume/drivers/netapp/dataontap/client/client_cmode.py:713
2018-07-04 15:16:36.396 61 ERROR cinder.volume.drivers.netapp.dataontap.nfs_cmode [req-b258c973-7618-4289-a600-8d043e5571fc 015111ec881e4182a77ae3f46a640b60 3099a7d711cb46ab8a22b0cc651f927c - default default] Error in workflow copy from cache.: NaApiError: NetApp API failed. Reason - 14970:Clone operation failed to start: Clone file does not exist..
2018-07-04 15:16:36.396 61 ERROR cinder.volume.drivers.netapp.dataontap.nfs_cmode Traceback (most recent call last):
2018-07-04 15:16:36.396 61 ERROR cinder.volume.drivers.netapp.dataontap.nfs_cmode File "/usr/lib/python2.7/site-packages/cinder/volume/drivers/netapp/dataontap/nfs_cmode.py", line 484, in _copy_from_cache
2018-07-04 15:16:36.396 61 ERROR cinder.volume.drivers.netapp.dataontap.nfs_cmode nfs_share, file_name, volume['name'], dest_exists=True)
2018-07-04 15:16:36.396 61 ERROR cinder.volume.drivers.netapp.dataontap.nfs_cmode File "/usr/lib/python2.7/site-packages/cinder/utils.py", line 849, in trace_method_logging_wrapper
2018-07-04 15:16:36.396 61 ERROR cinder.volume.drivers.netapp.dataontap.nfs_cmode return f(*args, **kwargs)
2018-07-04 15:16:36.396 61 ERROR cinder.volume.drivers.netapp.dataontap.nfs_cmode File "/usr/lib/python2.7/site-packages/cinder/utils.py", line 849, in trace_method_logging_wrapper
2018-07-04 15:16:36.396 61 ERROR cinder.volume.drivers.netapp.dataontap.nfs_cmode return f(*args, **kwargs)
2018-07-04 15:16:36.396 61 ERROR cinder.volume.drivers.netapp.dataontap.nfs_cmode File "/usr/lib/python2.7/site-packages/cinder/volume/drivers/netapp/dataontap/nfs_cmode.py", line 560, in _clone_file_dst_exists
2018-07-04 15:16:36.396 61 ERROR cinder.volume.drivers.netapp.dataontap.nfs_cmode dest_exists=dest_exists)
2018-07-04 15:16:36.396 61 ERROR cinder.volume.drivers.netapp.dataontap.nfs_cmode File "/usr/lib/python2.7/site-packages/cinder/utils.py", line 849, in trace_method_logging_wrapper
2018-07-04 15:16:36.396 61 ERROR cinder.volume.drivers.netapp.dataontap.nfs_cmode return f(*args, **kwargs)
2018-07-04 15:16:36.396 61 ERROR cinder.volume.drivers.netapp.dataontap.nfs_cmode File "/usr/lib/python2.7/site-packages/cinder/utils.py", line 849, in trace_method_logging_wrapper
2018-07-04 15:16:36.396 61 ERROR cinder.volume.drivers.netapp.dataontap.nfs_cmode return f(*args, **kwargs)
2018-07-04 15:16:36.396 61 ERROR cinder.volume.drivers.netapp.dataontap.nfs_cmode File "/usr/lib/python2.7/site-packages/cinder/volume/drivers/netapp/dataontap/client/client_cmode.py", line 728, in clone_file
2018-07-04 15:16:36.396 61 ERROR cinder.volume.drivers.netapp.dataontap.nfs_cmode self._invoke_vserver_api(clone_create, vserver)
2018-07-04 15:16:36.396 61 ERROR cinder.volume.drivers.netapp.dataontap.nfs_cmode File "/usr/lib/python2.7/site-packages/cinder/utils.py", line 849, in trace_method_logging_wrapper
2018-07-04 15:16:36.396 61 ERROR cinder.volume.drivers.netapp.dataontap.nfs_cmode return f(*args, **kwargs)
2018-07-04 15:16:36.396 61 ERROR cinder.volume.drivers.netapp.dataontap.nfs_cmode File "/usr/lib/python2.7/site-packages/cinder/utils.py", line 849, in trace_method_logging_wrapper
2018-07-04 15:16:36.396 61 ERROR cinder.volume.drivers.netapp.dataontap.nfs_cmode return f(*args, **kwargs)
2018-07-04 15:16:36.396 61 ERROR cinder.volume.drivers.netapp.dataontap.nfs_cmode File "/usr/lib/python2.7/site-packages/cinder/volume/drivers/netapp/dataontap/client/client_cmode.py", line 86, in _invoke_vserver_api
2018-07-04 15:16:36.396 61 ERROR cinder.volume.drivers.netapp.dataontap.nfs_cmode result = server.invoke_successfully(na_element, True)
2018-07-04 15:16:36.396 61 ERROR cinder.volume.drivers.netapp.dataontap.nfs_cmode File "/usr/lib/python2.7/site-packages/cinder/volume/drivers/netapp/dataontap/client/api.py", line 222, in invoke_successfully
2018-07-04 15:16:36.396 61 ERROR cinder.volume.drivers.netapp.dataontap.nfs_cmode raise NaApiError(code, msg)
2018-07-04 15:16:36.396 61 ERROR cinder.volume.drivers.netapp.dataontap.nfs_cmode NaApiError: NetApp API failed. Reason - 14970:Clone operation failed to start: Clone file does not exist..
When calling volume clone create command from NetApp driver of Cinder volume with "<destination-exists>true</destination-exists>" parameter, Occurred Clone file does not exist error.
We tried calling volume clone create command without "<destination-exists>true</destination-exists>" parameter, it succeed.
Are there any bugs in NetApp driver or OS(cDOT8.3P2)?
Best Regards.