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An Introduction to IMS: Your Complete Guide to IBM Information Management System by Steve Nathan, Sandy Sherrill, Rick Long, Moira McFadden Lanyi, Margaret Wilson, Kenny Blackman, John Butterweck, Diane Goff, Barbara Klein

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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 ...

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