question: public Map < CIMObjectPath , Set < String > > findAnySLOStorageGroupsCanBeReUsed ( StorageSystem forProvider , StorageSystem storage , String policyName , boolean associatedToView ) throws WBEMException { CloseableIterator < CIMInstance > groupInstanceItr = null ; CloseableIterator < CIMObjectPath > volumePathItr = null ; Map < CIMObjectPath , Set < String > > groupPaths = new ConcurrentHashMap < CIMObjectPath , Set < String > > ( ) ; try { CIMObjectPath controllerConfigSvcPath = _cimPath . getControllerConfigSvcPath ( storage ) ; _log . info ( "Trying to get all Storage Groups" ) ; groupInstanceItr = getAssociatorInstances ( forProvider , controllerConfigSvcPath , null , SE_DEVICE_MASKING_GROUP , null , null , PS_V3_STORAGE_GROUP_PROPERTIES ) ; while ( groupInstanceItr . hasNext ( ) ) { CIMInstance groupInstance = groupInstanceItr . next ( ) ; CIMObjectPath groupPath = groupInstance . getObjectPath ( ) ; String groupName = CIMPropertyFactory . getPropertyValue ( groupInstance , CP_ELEMENT_NAME ) ; String fastSetting = CIMPropertyFactory . getPropertyValue ( groupInstance , CP_FAST_SETTING ) ; String groupAssociatedToView = CIMPropertyFactory . getPropertyValue ( groupInstance , CP_ASSOCIATED_TO_VIEW ) ; Set < String > returnedNativeGuids = new HashSet < String > ( ) ; if ( fastSetting . equals ( policyName ) && associatedToView == Boolean . parseBoolean ( groupAssociatedToView ) && groupName . startsWith ( Constants . STORAGE_GROUP_PREFIX ) ) { _log . debug ( "Looping through all volumes in storage group {}" , groupName ) ; volumePathItr = getAssociatorNames ( forProvider , groupPath , null , CIM_STORAGE_VOLUME , null , null ) ; while ( volumePathItr . hasNext ( ) ) { returnedNativeGuids . add ( getVolumeNativeGuid ( volumePathItr . next ( ) ) ) ; } groupPaths . put ( groupPath , returnedNativeGuids ) ; } } } finally { closeCIMIterator ( groupInstanceItr ) ; closeCIMIterator ( volumePathItr ) ; } return groupPaths ; }
target:  This method is used for VMAX3 storage system to find exiting storage group with a specified SLO for parking volumes.