Reorganizing a database in one job step

The following topics explain how to reorganize a database in one job step by using the Smart Reorg utility.

Smart Reorg utility
The Smart Reorg utility provides the database status evaluation, exception reporting, and reorganization functions for IMS full-function databases.
Conditional Reorganization Support Service
The Conditional Reorganization Support Service (CRSS) evaluates a database, determines if the database needs to be reorganized, and reports the database status.
Parallel Reorganization Service
The Parallel Reorganization Service is the database reorganization service provided by the Reorganization Manager of the Smart Reorg utility. This service enables you to reorganize HISAM, SHISAM, HDAM, HIDAM, PHDAM, or PHIDAM database in a single job step.
Using the Smart Reorg utility
You can run the Smart Reorg utility in four different runtime modes; Conditional Reorganization mode, Unconditional Reorganization mode, Reorganization Diagnosis mode, and Diagnosis-only mode.
Smart Reorg JCL requirements
To run a Smart Reorg job, code JCL statements that satisfy the following EXEC and DD statement requirements.
Smart Reorg control statements
Control statements for the Smart Reorg utility are specified in the HPSIN data set and the ICEIN data set.
Smart Reorg examples
The following topics provide examples for using the Smart Reorg utility.
Working with policies and database exceptions
When you run a Smart Reorg utility job in Conditional Reorganization mode, Reorganization Diagnosis mode, or Diagnosis-only mode, you must prepare a reorganization policy before running the job and check the job result after the job is complete.
Preparing and completing reorganization
When you run a Smart Reorg utility job in Conditional Reorganization mode, in Reorganization Diagnosis mode, or in Unconditional Reorganization mode, you must configure pre-reorganization processing and post-reorganization processing.
Smart Reorg reports
The Smart Reorg utility generates reports and messages, which help you understand the database health and troubleshoot problems.