1. A method of improving utilization of a data storage system, comprising: determining one or more data storage device management functions that are applicable to one or more data storage devices; determining one or more data storage device management functions that are particular to a given one of the one or more data storage devices; assigning data storage device management functions that are particular to the given one of the one or more data storage devices to the given one of the one or more data storage devices; and assigning data storage device management functions that are not particular to the given one of the one or more data storage devices to a data storage system host layer.