question: private void updateBackendVolume ( BlockConsistencyGroup cg , Volume backendVolume , DbClient dbClient ) { if ( backendVolume != null ) { String backendCG = cg . getCgNameOnStorageSystem ( backendVolume . getStorageController ( ) ) ; if ( backendCG != null && ! backendCG . isEmpty ( ) ) { log . info ( "updating the volume {} replicationgroup {}" , backendVolume . getLabel ( ) , backendCG ) ; backendVolume . setReplicationGroupInstance ( backendCG ) ; dbClient . updateObject ( backendVolume ) ; } } }
target:  Update the backend volume with the backend replication group name