Return_Values

   Upon successful completion, the mrd_show(3mrd) function returns
   the value MRD_STATUS_SUCCESS. If mrd_show(3mrd) fails, the
   returned status value will be set to one of the following values.
   Other values that correspond to specific SCSI errors may also be
   possible, but these are the most likely.
 

Additional information available:

MRD_STATUS_PARAM                MRD_STATUS_RES_FAILED
MRD_STATUS_ROBOT_ILLEGAL_REQUEST                MRD_STATUS_SLOT_INVALID
MRD_STATUS_TRANSPORT_INVALID    MRD_STATUS_NO_ELEMENTS
MRD_STATUS_PORT_INVALID         MRD_STATUS_ROBOT_COMM_ERROR
MRD_STATUS_ROBOT_NOT_READY      MRD_STATUS_DEVICE_INVALID
MRD_STATUS_INSFMEM