getting provisioned capacity on NetAPP based NFS by 'du' returns "WARNING: Circular directory structure"

[Tang Hongwei]

Function in cinder/volume/drivers/remotefs.py: _get_provisioned_capacity

out, _ = self._execute('du', '--bytes', mount_path,
                                   run_as_root=True)
running of 'du' on mount_path "/var/lib/cinder/mnt/0ba90ecf601a296c0bb210357a0573ff" return ERROR as follows:

du: WARNING: Circular directory structure.
This almost certainly means that you have a corrupted file system.
NOTIFY YOUR SYSTEM MANAGER.
The following directory is part of the cycle:
  './0ba90ecf601a296c0bb210357a0573ff/.snapshot/hourly.0'

du: WARNING: Circular directory structure.
This almost certainly means that you have a corrupted file system.
NOTIFY YOUR SYSTEM MANAGER.
The following directory is part of the cycle:
  './0ba90ecf601a296c0bb210357a0573ff/.snapshot/nightly.0'

[Erlon R. Cruz (sombrafam)]

It seems you are using the generic NFS driver in a ONTAP share right? Can you post your cinder.conf file? And if possible a full stack trace?

[Naresh Kumar Gunjalli (nareshkumarg)]

Hello.. As Erlon asked before, can you share your cinder.conf and the full stack trace when this error was seen?