VS Extended Data Management System
                                                XDMS
                                          Version 01.53.01
                                  Customer Software Release Notice



                                           December, 1998
                              Copyright  Wang Laboratories, Inc., 1998
                                               001135























                                    DISCLAIMER OF WARRANTIES AND
                                     LIMITATION OF LIABILITIES




                The staff of Wang Laboratories, Inc., has taken due care in preparing
                this manual; however, nothing contained herein modifies or alters in any
                way the standard terms and conditions of the Wang purchase, lease, or
                license agreement by which this software package was acquired, nor shall
                Wang Laboratories, Inc., or its subsidiaries be liable for incidental or
                consequential damages in connection with or arising from the use of the
                software package, the accompanying manual, or any related manuals.


                                               Notice

                All Wang Program Products are licensed to customers in accordance with
                the terms and conditions of the Wang Laboratories, Inc., Standard
                Program Products License; no ownership of Wang Software is transferred
                and any use beyond the terms of the aforesaid License, without the
                written authorization of Wang Laboratories, Inc., is prohibited.











                                              PREFACE





                 This Customer Software Release Notice (CSRN) provides important
                 information for using Release 01.53.01 of the VS Extended Data
                 Management System package.  This package runs on VS Operating System
                 version 07.53.01 or later.

                 This document describes the changes made to Release 01.53.01.  In
                 addition, it provides installation and packaging information.

                 This CSRN is organized as follows:

                 .   Chapter 1 describes any new enhancements to the VS Extended Data
                     Management System package.

                 .   Chapter 2 details the minimum hardware and software required to
                     use this release.

                 .   Chapter 3 lists problems that have been corrected since Release
                     1.52.00.

                 .   Chapter 4 lists the restrictions and special considerations.

                 .   Chapter 5 lists the files included in this release package.

                 .   Chapter 6 details instructions on installing the Extended Data
                     Management System Package on a 07.53.01 or later VS Operating
                     System.







          CHAPTER 1
          ENHANCEMENTS

                 N/A



          CHAPTER 2
          HARDWARE AND SOFTWARE REQUIREMENTS

          2.1    HARDWARE REQUIREMENTS

                 This package runs on those CP types supported by VSOS 07.53.01.


          2.2    SOFTWARE REQUIREMENTS

                 VS Operating System version 07.53.01 or later.



          CHAPTER 3
          CORRECTED PROBLEMS

                 The problems listed below have been resolved in this release:

                 PTR Number   Problem Resolution

                 E127358      PCDU in XDMS when performing a rewrite using
                              entry-ordered files.

                 M200023683   PC01 in special input over the cluster.

                 M200023680   System crash during read special input operation.




          CHAPTER 4
          RESTRICTIONS AND SPECIAL CONSIDERATIONS

                 A task crash may occur if the WSN directory file, @DIRECT@, is in XDMS
                 format.  To circumvent this problem REORG the file to DMS format.







          CHAPTER 5
          MEDIA CONTENTS

          5.1    Extended DMS and Related Files

                 Library = @SYSTEM@

                 Module     Version    Description

                 @SYSDMSE   01.53.01   Extended DMS


          5.2    Packaged Utilities and Related Files

                 Library = @SYSTEM@

                 DMSSTAT    01.53.01   DMS shared statistics
                 VERPLS     01.53.01   DMS+ Verify Utility
                 WXRDMSE    01.53.01   Rollforward recovery
                  FRMRCVR        27    Form file


                 Library = @TXUSER@

                 DEFAULT    2.0.0      Rollforward Userexit Object Code.
                 USEREXIT   2.0.0      Rollforward Userexit Source Code.


          5.3    User Documentation

                 Library = CSRNLIB

                 XDMS5301   01.53.01   Customer Software Release Notice  (this document)








          CHAPTER 6
          INSTALLATION INSTRUCTIONS


          6.1  INSTALLATION INSTRUCTIONS FOR INITIAL INSTALLATION:


               1. Using the Restore function of BACKUP, restore libraries @SYSTEM@,
                  @TXUSER@ and CSRNLIB from the distribution media to the system volume.

                  On the BACKUP Options screen, set DUPFILES = SCRATCH.

               2. After installing XDMS, several GENEDIT options should be set which
                  affect the processing of indexed-plus files.  These options are
                  explained in Chapter 7 of the VS XDMS Reference Manual.

               3. Re-IPL the system to have the GENEDIT options take effect.



          6.2  INSTALLATION INSTRUCTIONS FOR SYSTEM UPGRADES:

               1. IPL the system from an alternate IPL volume.

               2. Using the Restore function of BACKUP, restore libraries @SYSTEM@,
                  @TXUSER@ and CSRNLIB from the distribution media to the system volume.

                  On the BACKUP Options screen, set DUPFILES = SCRATCH.

               3. After restoring the XDMS files, several GENEDIT options should be set
                  which affect the processing of indexed-plus files.  These options are
                  explained in Chapter 7 of the VS XDMS Reference Manual.

               3. Re-IPL the system.