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About this guide

This guide contains instructions for installing and configuring Micro Focus Databridge DMSII Client. This preface includes information to help you use this guide.

To install, configure, and run Databridge, you should be a system administrator familiar with the following:

  • Standard Unisys® operations for MCP-hosted mainframes such as the CS7xxx series, Libra series, ClearPath® NX/LX or A Series

  • DMSII databases and Data And Structure Definition Language (DASDL)


The following conventions and terms may be used in this guide.

This convention or term Is used to indicate this
this type style text that you type, filenames and directory names, onscreen messages
italic variables emphasis document titles
square brackets
( [ ] )
optional items in a command For example, [ true / false ]. (Do not type the brackets.)
pipe ( | ) a choice between items in a command or parameter. When enclosed in braces ( { } ), the choice is mandatory.
UPPERCASE DMSII data set and data item names
MCP server host mainframe Unisys ClearPath NX, LX or A Series mainframe
DBEngine Databridge Engine
DBEnterprise Databridge Enterprise Server
DBServer Databridge Server


The following abbreviations are used throughout this guide and are provided here for quick reference.

This convention or term Is used to indicate this
AA Absolute Address
ABSN Audit Block Serial Number
AFN Audit File Number
API Application Programming Interface
DASDL Data and Structure Definition Language
DMSII Data Management System II
IDX Word Index (offset)
IPC Inter-Process Communications
MCP Master Control Program
RPC Remote Procedure Call
SEG 30-word disk segment
WFL Work Flow Language

The following is a list of the documentation you might need to consult when using Databridge Twin.

Databridge Host Before you can use Databridge DMSII Client, the Databridge Host database replication software must be installed and operating on the primary system. Complete instructions are in the Databridge Installation Guide, which is located in the DOCS folder on the Databridge installation image or DVD.
Unisys Mainframe You should have available documentation for the Unisys ClearPath NX/LX series or A Series, DMSII, WFL, and CANDE. This guide lists only general instructions. If you are not completely familiar with DMSII configuration, for example, you may need to refer to the Unisys documentation.