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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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Appendix A. Glossary

abnormal end of task (abend)Termination of a task, job, or subsystem because of an error condition that recovery facilities cannot resolve during execution.

active IMS(1) In an RSR environment, an IMS that runs at an active site, performs production work, and is monitored by the tracking IMS. Contrast with tracking IMS. (2) In an Extended Recovery Facility (XRF) environment, an IMS that performs production work and is monitored by the alternate IMS. Contrast with alternate IMS. (3) If FDBR is used, the IMS that performs production work. The active IMS is monitored by a separate Fast Database Recovery IMS control region.

AIB maskA mapping that the application program uses to interpret the AIB.

alternate IMSA mapping that the ...

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