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IBM zPDT Guide and Reference: System z Personal Development Tool by Bill Ogden

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Sysplex
 
Important: This chapter is not intended as an introduction to z/OS sysplex concepts or operation. We assume readers understand the basic concepts and terminology involved with z/OS sysplex use.
zPDT may be used in parallel sysplex and basic sysplex configurations. There are three key elements to both configurations:
Shared DASD
Communication among the multiple z/OS systems involved
Synchronized time-of-day clocks among the z/OS systems involved
A conceptual implementation of these three elements (for zPDT) is depicted in Figure 21-1 ...

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