An Introduction to IMS: Your Complete Guide to IBM Information Management System

Chapter 23. Database Recovery Control Facility

This chapter describes the Database Recovery Control (DBRC) facility, an integral function of IMS that does the following:

• Ensures IMS system and database integrity

• Controls log and database recovery

• Controls access to databases by various IMS subsystems sharing those databases

In This Chapter

• Overview of DBRC

• DBRC Tasks

• DBRC Components

• When to Use DBRC

• Communicating with DBRC

• DBRC Functions

• Overview of the RECON Data Sets

• Defining and Creating the RECON Data Sets

• Initializing the RECON Data Sets

• Allocating the RECON Data Sets to an IMS System

• Maintaining the RECON Data Sets

• Reorganizing RECON Data Sets

• Re-Creating the RECON Data Sets

• Recommendations for RECON Data ...