October 2011
Intermediate to advanced
510 pages
18h 48m
English
book
IBM IMS Version 12 Technical Overview
by Paolo Bruni, Isabelle Bruneel, Angie Greenhaw, Dougie Lawson, Jorge Alberto Luz Ribeiro, Egide Van Aershot
Content preview from IBM IMS Version 12 Technical Overview
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Chapter 2. System enhancements 25
2.3 ACB online change
The global online change function modifies resources online for all IMS systems in an
IMSplex. With IMS, you can perform an online change only for the DBDs and PSBs that are
specified in the appropriated command.
The benefit is that in an IMSplex environment, you can use the application control block
(ACB) member online change (OLC) function with OPTION(NAMEONLY) specified on the
appropriated command to process only the DBDs and PSBs that are specified.
2.3.1 Background information about online change
The global online change function changes resources online for all IMS systems in an
IMSplex, bringing the following benefits:
Simplified process for changing resources online for all IMS systems ...
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