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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 27. Introduction to Parallel Sysplex

A sysplex (formed from joining the words systems and complex) is not a single product that you install in your data center, but a collection of z/OS systems that cooperate, using certain hardware, software, and microcode, to process workloads. The products that comprise a sysplex cooperate to provide higher continuous availability, easier systems management, and improved growth potential over a conventional computer system of comparable processing power. These products can be categorized as hardware, system software, networking software, data management, transaction management, and systems management.

A major difference between a sysplex and a conventional large computer system is the improved growth ...

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