March 2003
Intermediate to advanced
282 pages
9h 13m
English
book
IMS in the Parallel Sysplex Volume I: Reviewing the IMSplex Technology
by Jouko Jantti, Juan Jesœs Iniesta Mart’nez, Knut Kubein, Bill Stillwell, Gary Wicks
Content preview from IMS in the Parallel Sysplex Volume I: Reviewing the IMSplex Technology
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36 IMS in the Parallel Sysplex, Volume I: Reviewing the IMSplex Technology
Details regarding these structures can be located in 1.6.1, “Structures, connectors, and
services” on page 9.
2.2.3 Sysplex services for data sharing
Cross-system Coupling Facility (XCF) is a component of OS/390 and z/OS and was provided
with the original base sysplex components. It is necessary in the block level data sharing
environment to provide group, signalling, and status monitoring services to OS/390
components and authorized applications.
The OS/390 feature called Cross-system Extended Services® (XES) allows multiple
instances of an authorized application or subsystem, running on different systems in a
sysplex, to implement high performance, high availability ...
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