 






     Software
     Product
     Description

     ________________________________________________________________

     PRODUCT NAME:  Digital Cartridge Server Component   SPD 33.59.00
                    for VMS, Version 1.0

     DESCRIPTION

     The Digital Cartridge Server Component (DCSC) for VMS provides
     the software front-end interface to the StorageTek[R] 4400
     Automated Cartridge System (StorageTek ACS). It can be installed
     on either a single VAX computer or a VAXcluster.

     DCSC manages the StorageTek ACS transport assignments to a VMS
     system. This includes managing the allocation of ACS transports,
     locking and unlocking both cartridge and transport resources
     to accommodate user tape function requests, and recovering any
     unused resources (caused by a user mounting a tape and logging
     out before dismounting it).

     When a user requests a tape function such as mount, DCSC checks
     for the existence of the requested cartridge, selects an avail-
     able StorageTek ACS transport, and locks the required resources.
     DCSC ensures the tape cartridge is physically loaded onto a
     StorageTek transport and, if requested, executes a VMS tape
     mount function. Once a tape cartridge is mounted, DCSC makes it
     possible for users to request a VMS copy or backup function to
     read data from or send data to the cartridge.

     The DCSC kit includes the following:

     o  DCSC Run-Time Library (RTL) routines - A set of tools that
        let programmers design applications specific to their system
        and users.


                                  DIGITAL               February 1991

                                                          AE-PETYA-TE

 


     Digital Cartridge Server Component                  SPD 33.59.00
     for VMS, Version 1.0


     o  DCSC cartridge commands and user interface - Lets users
        request tape cartridge functions (to request a mount of
        a specific tape cartridge, for example). The user has the
        option of invoking the user interface accessed from a Dig-
        ital Video Terminal[1] or entering DCSC-specific Digital
        Command Language (DCL) cartridge commands to request these
        operations.

     o  Configuration File Editor - A menu-driven interface that lets
        system managers create the configuration file used to de-
        scribe the transport and ACS environment to DCSC. The DCSC
        reads this file when it starts up and uses it to determine
        operation, network, and StorageTek transport resource alloca-
        tions.

     o  DCSC Server - A set of processes that manage user requests by
        allocating StorageTek transport resources to users on a VAX
        computer. It also controls communications between the DCSC
        components and the VMS/ULTRIX Connection software which, in
        turn, communicate with the StorageTek ACS.

     On a VMS system consisting of a single node, the connection
     to the StorageTek transport for input and output operations is
     made, in part, through an HSC40 or HSC70 that is connected to
     one or more TC44-AA or TC44-BA controller boards. This connec-
     tion creates the data path from which tape cartridge data is
     read or written to.

     On a VAXcluster consisting of several nodes, one node called the
     master server node fields requests from the other nodes on the
     VAXcluster, which are called virtual server nodes.

     The following documentation is available:

     o  Digital Cartridge Server Component Installation Guide -
        Explains how to install the DCSC using VMSINSTAL and provides
        a sample installation log file.

     ___________________
   [1] Refer to the System Support Addendum (SSA 33.59.00-x) for a

       list of the terminals required to run this interface.

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     Digital Cartridge Server Component                  SPD 33.59.00
     for VMS, Version 1.0


     o  Digital Cartridge Server Component System Manager's Guide
        - Describes the DCSC, how it works with the StorageTek ACS,
        configuration tasks, how to use the Configuration File Editor
        system, and DCSC-specific system maintenance tasks.

     o  Digital Cartridge Server Component Programmer's Reference
        Guide - Describes the DCSC RTL routines and describes how to
        use them by providing examples of VAX C code fragments.

     o  Digital Cartridge Server Component User's Reference Guide -
        Summarizes the main functions of the DCSC, highlighting the
        functions performed by general users, such as mounting and
        dismounting tapes. In addition, it describes how to use the
        DCSC user interface and DCSC cartridge DCL commands.

     HARDWARE REQUIREMENTS

     VAX configuration as specified in the System Support Addendum
     (SSA 33.59.00-x).

     SOFTWARE REQUIREMENTS

     For Systems Using Terminals:

     VMS Operating System
     VMS/ULTRIX Connection

     For Workstations Running VWS:

     VMS Operating System
     VMS Workstation Software
     VMS/ULTRIX Connection

     For Workstations Running DECwindows:

     VMS Operating System (and necessary
        components of VMS DECwindows)
     VMS/ULTRIX Connection

     A DECwindows interface is not supported.

                                     3

 


     Digital Cartridge Server Component                  SPD 33.59.00
     for VMS, Version 1.0


     ORDERING INFORMATION

     Software Licenses: QLYWNA9-AA
     Software Media: QA-YWNAA-H*
     Software Documentation: QA-YWNAA-GZ
     Software Product Services: QT-YWNA9-AA

     *  Denotes variant fields. For additional information on avail-
        able licenses, services, and media, see the appropriate price
        book.

     SOFTWARE LICENSING

     This software is furnished under the licensing provisions of
     Digital Equipment Corporation's Standard Terms and Conditions.
     For more information about Digital's licensing terms and poli-
     cies, contact your local Digital office.

     LICENSE MANAGEMENT FACILITY SUPPORT

     This layered product supports the VMS License Management Facil-
     ity.

     License units for this product are allocated on a CPU-capacity
     basis.

     For more information on the License Management Facility, see the
     VMS Operating System Software Product Description (SPD 25.01.xx)
     or the License Management Facility manual of the VMS Operating
     System documentation set.

     SOFTWARE PRODUCT SERVICES

     A variety of service options are available from Digital. For
     more information, contact your local Digital office.




                                     4

 


     Digital Cartridge Server Component                  SPD 33.59.00
     for VMS, Version 1.0


     SOFTWARE WARRANTY

     Warranty for this software product is provided by Digital with
     the purchase of a license for the product as defined in the
     Software Warranty Addendum of this SPD.

     [R]  StorageTek is a registered trademark of Storage Technology
          Corporation.

     [TM] The DIGITAL Logo, DEC, DECwindows, MicroVAX, ULTRIX, VAX,
          VAXcluster, VAXft, VAXserver, VAXstation, VMS, and VT320
          are trademarks of Digital Equipment Corporation.



























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