Abstract: Various exemplary embodiments relate to a method and related network node including one or more of the following: retrieving, by the database controller, a record to be stored; identifying a record type associated with the record; identifying at least one storage device of the plurality of storage devices that stores records of the identified record type; and storing the record in a storage device of the plurality of storage devices other than the at least one storage device identified as storing records of the identified record type. Various embodiments additionally include one or more of the following: identifying a record type associated with the record by identifying a record type of at least one other record upon which the record depends.