| IMS includes many utility programs to help you run, fine tune, and monitor IMS. These utilities help you: Generate and maintain IMS system control blocks Make online changes to the IMS system Allocate, monitor, and recover the IMS log data sets Analyze system performance Generate and maintain the Message Format Service (MFS) Maintain multiple IMS systems Maintain time-controlled operations Define, maintain, recover, and reorganize[1] databases [1] To reorganize a database is to unload and reload a database to optimize physical segment adjacency or to modify the database definition (DBD). Make backup copies of databases
Some of the IMS utilities are discussed in the context of performing tasks in the following sections: "Overview of the Database Reorganization Process" on page 128 Chapter 21, "IMS Security," on page 361 "Archiving an OLDS" on page 370 "Using IMS System Log Utilities" on page 406 "Running Recovery-Related Utilities" on page 421
Related Reading: For information about all of the IMS utilities, see: |