question: public List < VolumeRestRep > findVolumesBackingDatastore ( HostSystem host , Datastore datastore ) { Set < String > luns = execute ( new FindLunsBackingDatastore ( host , datastore ) ) ; List < VolumeRestRep > volumes = Lists . newArrayList ( ) ; for ( String lun : luns ) { VolumeRestRep volume = execute ( new GetBlockVolumeByWWN ( lun ) ) ; if ( volume != null ) { volumes . add ( volume ) ; } } return volumes ; }
target:  Finds the volumes backing the datastore.