'Create a GPFS file clone snapshot for the specified file.'

def _create_gpfs_snap(self, src, dest=None):

    if (dest is None):
        self.gpfs_execute((self.GPFS_PATH + 'mmclone'), 'snap', src)
    else:
        self.gpfs_execute((self.GPFS_PATH + 'mmclone'), 'snap', src, dest)
