NetBase for MPE Reference Guide

5-1
CHAPTER 5
NetBase Shadowing
NetBase shadowing provides the ability to maintain concurrent multiple copies of files and
databases across one or more systems in a network. Since it does not rely on IMAGE logging,
NetBase can shadow all types of disk files, not only databases.
In This Chapter
Process Overview
Configuration Parameters
Defining a File for Shadowing - NBDIR Entries
Setting Up Shadowing
Third Party Shadowing (TPS) for TurboIMAGE databases
Monitoring Shadowing
Synchronization Loss
Structural Changes for Shadowed Databases
Flushing Shadow Updates
User Exits
Dataset Shadowing
Shadowing With TurboIMAGE Log Files
Shadowing with Dynamic Rollback Recovery