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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 11. The Database Recovery Process

This chapter provides a general overview of IMS database backup and recovery concepts, and describes the database recovery and backup processes.

In This Chapter

Determining When Recovery Is Needed

Overview of the Database Recovery Process

IMS Backup and Recovery Utilities

Determining When Recovery Is Needed

Database recovery is normally performed only when there has been a failure of some sort. Most of the time, recovery is done as a result of a system, hardware, or application failure. However, you can also use recovery procedures to return a database to a previous point in time, and to recover from application logic failures.

In general, a database might need to be recovered under the following ...

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