question: @ Override public void deleteBCVHelperVolume ( StorageSystem storageSystem , Volume volume ) throws Exception { _log . info ( String . format ( "Start executing BCV helper volume from array: %s, for volume: %s" , storageSystem . getId ( ) , volume . getId ( ) ) ) ; try { String deviceName = volume . getNativeId ( ) ; String deviceNameWithoutLeadingZeros = deviceName . replaceAll ( "^0*" , "" ) ; String query = String . format ( "SELECT CIM_StorageVolume.%s, CIM_StorageVolume.%s  FROM CIM_StorageVolume where CIM_StorageVolume.%s ='SMI_BCV_META_%s'" , SmisConstants . CP_ELEMENT_NAME , SmisConstants . CP_DEVICE_ID , SmisConstants . CP_ELEMENT_NAME , deviceNameWithoutLeadingZeros ) ; String queryLanguage = "CQL" ; List < CIMInstance > bcvVolumeInstanceList = _helper . executeQuery ( storageSystem , query , queryLanguage ) ; if ( bcvVolumeInstanceList == null || bcvVolumeInstanceList . isEmpty ( ) ) { query = String . format ( "SELECT CIM_StorageVolume.%s, CIM_StorageVolume.%s FROM CIM_StorageVolume where CIM_StorageVolume.%s ='SMI_BCV_META_%s'" , SmisConstants . CP_ELEMENT_NAME , SmisConstants . CP_DEVICE_ID , SmisConstants . CP_ELEMENT_NAME , deviceName ) ; bcvVolumeInstanceList = _helper . executeQuery ( storageSystem , query , queryLanguage ) ; } String elementName = null ; String nativeId = null ; CIMInstance bcvVolumeInstance = null ; if ( bcvVolumeInstanceList != null && ! bcvVolumeInstanceList . isEmpty ( ) ) { bcvVolumeInstance = bcvVolumeInstanceList . get ( 0 ) ; elementName = CIMPropertyFactory . getPropertyValue ( bcvVolumeInstance , SmisConstants . CP_ELEMENT_NAME ) ; nativeId = CIMPropertyFactory . getPropertyValue ( bcvVolumeInstance , SmisConstants . CP_DEVICE_ID ) ; _log . info ( String . format ( "Found BCV helper volume: %s, nativeId: %s" , elementName , nativeId ) ) ; } else { _log . warn ( String . format ( "Could not find BCV helper volume for volume: %s, nativeId: %s" , volume . getId ( ) , volume . getNativeId ( ) ) ) ; return ; } _log . info ( String . format ( "Executing delete of BCV helper volume: " + nativeId ) ) ; String [ ] nativeIds = new String [ ] { nativeId } ; CIMObjectPath configSvcPath = _cimPath . getConfigSvcPath ( storageSystem ) ; CIMArgument [ ] inArgs = _helper . getDeleteVolumesInputArguments ( storageSystem , nativeIds ) ; CIMArgument [ ] outArgs = new CIMArgument [ 5 ] ; String returnElementsMethod ; if ( storageSystem . getUsingSmis80 ( ) ) { returnElementsMethod = SmisConstants . RETURN_ELEMENTS_TO_STORAGE_POOL ; } else { returnElementsMethod = SmisConstants . EMC_RETURN_TO_STORAGE_POOL ; } _helper . invokeMethodSynchronously ( storageSystem , configSvcPath , returnElementsMethod , inArgs , outArgs , null ) ; _log . info ( String . format ( "Deleted BCV helper volume: " + nativeId ) ) ; } catch ( Exception ex ) { _log . error ( String . format ( "Failed to delete BCV helper volume from array: %s, for volume: %s" , storageSystem . getId ( ) , volume . getId ( ) ) ) ; } }
target:  Deletes 'SMI_BCV_META_...' helper volume form array.