'Pass in Coho Data information in volume stats.'

def get_volume_stats(self, refresh=False):

    _stats = super(CohoDriver, self).get_volume_stats(refresh)
    _stats['vendor_name'] = 'Coho    Data'
    _stats['driver_version'] = VERSION
    _stats['storage_protocol'] = 'NFS'
    _stats['volume_backend_name'] = self._backend_name
    _stats['total_capacity_gb'] = 'unknown'
    _stats['free_capacity_gb'] = 'unknown'
    _stats['export_paths'] = self._mounted_shares
    _stats['QoS_support'] = True
    return _stats
