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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Chapter 9. Other functions utilizing CSL 211
IMS Version 8 offers an alternative to the traditional online change — global online change,
using the new Operations Manager to process commands and the new Resource Manager to
coordinate the online change across the IMSplex.
9.1.3 Overview of global online change
The processing of global online change is similar to that of local online change. The resource
preparation and staging is the same as in the past with local online change. For IMS Version
8, modifications have been made to coordinate the change across multiple IMS systems.
The online change status (OLCSTAT) data set is shared by all of the IMS systems. Its function
is similar to that of the MODSTAT data set with local online change. OL
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