NetBase for MPE Reference Guide

Table of Contents
iii
REBUILD........................................................................................................................................4-50
RESET ............................................................................................................................................4-51
SHADOW........................................................................................................................................4-53
SQLIN.............................................................................................................................................4-56
SQLOUT .........................................................................................................................................4-58
TABLE............................................................................................................................................4-61
UNLOAD ........................................................................................................................................4-63
XL...................................................................................................................................................4-64
Chapter 5 - NetBase Shadowing.........................................................................................................................5-1
Process Overview...................................................................................................................................5-2
Master System ...................................................................................................................................5-2
Shadow System..................................................................................................................................5-4
Configuration Parameters ......................................................................................................................5-5
Defining a File for Shadowing - NBDIR Entries....................................................................................5-8
Examples of Directory Entries for Shadowing..................................................................................5-12
Third Party Shadowing (TPS) for TurboIMAGE databases ..................................................................5-14
Setting Up Shadowing .........................................................................................................................5-16
Monitoring Shadowing........................................................................................................................5-17
Shadow Files....................................................................................................................................5-19
Checking the State of Shadowed Files..................................................................................................5-20
Synchronization Loss.......................................................................................................................5-22
Queue State......................................................................................................................................5-22
Sync or Discard State.......................................................................................................................5-23
NBSYNC Syntax .............................................................................................................................5-28
Structural Changes for Shadowed Databases........................................................................................5-30
1) NetBase ADAGER Batch Interface..............................................................................................5-30
2) NetBase DBGENERAL Interface.................................................................................................5-31
3) Manually Coordinating the Structural Changes............................................................................5-31
Flushing Shadow Updates....................................................................................................................5-33
Backups Using Shadow Data............................................................................................................5-36
User Exits............................................................................................................................................5-38
Export User Exits.............................................................................................................................5-38
Post User Exits.................................................................................................................................5-42
Dataset Shadowing ..............................................................................................................................5-51
Dataset Shadowing Considerations .................................................................................................5-52
Shadowing With TurboIMAGE Log Files............................................................................................5-53
Resetting the Logging Process..........................................................................................................5-56
Shadowing with Dynamic Rollback Recovery ......................................................................................5-57