{
{    The purpose of this request is to inform device management
{  that a volume has become available to the system.  Device
{  management will initiate action to make the volume known to
{  the system, i.e., an entry will be made for the volume in
{  the active volume table.
{
{        DMP$VOLUME_ONLINE(LOGICAL_UNIT_NUMBER,P_PHYSICAL_ATTRIBUTES,
{                          STATUS)
{
{  LOGICAL_UNIT_NUMBER:(input)  This parameter specifies the logical
{                               unit number of the volume to be brought
{                               online.
{
{  P_PHYSICAL_ATTRIBUTES:(input)  This parameter specifies the physical
{                                    attributes of the volume.
{
{  STATUS:(output)  This parameter returns the request status.
{
