This course introduces and explains the IMS Database Recovery facility (DBRC). Combining both formal classroom tuition with hands-on practical sessions, this course will enable attendees to perform database recovery and protect database integrity using the tools available.


A good working knowledge of IMS and its implementation and administration within their own organisation. Familiarity with z/OS control programs and VSAM (KSDS & AMS) is also required.

Delegates will learn how to

  • describe the constituent parts of DBRC
  • process DBRC records
  • describe the data-sharing environment
  • register databases and their data sets
  • define & register data set groups, data groups & recovery groups
  • explain the interaction between utilities
  • describe HALDB implementation & migration
  • use GENJCL
  • use DBRC in a production environment
  • carry out DBRC problem identification & resolution
  • carry out RECON maintenance
  • exploit the DBRC API.


DBRC Installation & Setup

Log & Database Registration

Utility Interaction - Backup, Recovery and Reorganisation

Database Sharing Control

HALDB Implementation and Migration


DBRC in Production

RECON Maintenance, Backup and Recovery

DBRC Problem Diagnosis and Resolution

DBRC API Exploitation

Introduction to DBRC Parallel RECON Access

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