Logical_Names

                                  CAUTION

   Define logical names only within the context of a user process if you
   use any Compaq Storage Management Software product that includes the
   Media and Device Management Services (MDMS) software.

   If you use MDMS software and define any of these logicals so they are
   set for any MDMS process (i.e. any group or system logical table 
   accessible by MDMS, you could cause failures in MDMS operations.


   $ DEFINE MRU_LOG file_name

      Creates a log file of MRU operations named file_name in the
      current default directory.  Deassign this logical if no log
      file is desired.

   $ DEFINE MRU_VERBOSE 1

      Provides more detailed information in response to some MRU 
      commands. Deassign this logical to disable this feature.

      When enabled, this option captures reports SCSI Sense Data.
      You must refer to the media robot hardware documentation to
      interpret this data.

   $ DEFINE MRU_OLD_STATUS 1

      This causes MRU, Version 1.4-1 to exit using the Version 1.4 
      exit status behavior; success or failure.  

   $ DEFINE MRU_ROBOT robot_name

      Defines a default robot against which all commands are
      executed, unless a different robot is specified as a parameter
      to a command.  Deassign this logical if no default robot is
      needed.

   $ DEFINE MRU_WAIT n

      Defines the number of seconds delay you can tolerate
      waiting for a current robot operation to finish before
      taking action on a command you enter.  Deassign this
      logical if an indefinite wait is acceptable.

   $ DEFINE MRU_UNLOAD_DELAY n

      Defines the number of times that an unload operation is tried.
      An unload retry can take from one to approximately seven
      seconds to complete depending on the media robot.

      The default value is 180 attempts.  Define this logical if you
      want to change the number of unload attempts.

   $ DEFINE MRU_READY_DELAY n

      Defines the amount of time you will take to place a cartridge into
      a TL820 class ATL inport and close the inport door, after you issue
      the READY command.  If you fail to close the inport door within the
      specified time, MRU may report an error on the following command.

      The default value is 65 seconds.

   $ DEFINE MRU_CASE_SENSITIVE 1

      When defined to any value, this causes the volume tag comparisons
      used with the CARTRIDGE keyword to be made in a case senseitive
      manner.

   $ DEFINE MRU_OLD_STATUS 1

      When defined to any value, this causes the ROBOT command to revert
      to the exit status behavior present in V1.2; a single success status
      and a single failure status.