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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30 IBM IMS Version 12 Technical Overview
2.3.5 Considerations for the ACB online change
Use the Global Online Change utility with caution, so that you do not inadvertently destroy
valid OLCSTAT data set contents. If you do destroy valid OLCSTAT data set contents, global
online change and initialization of additional IMS systems fail until the OLCSTAT data set is
re-initialized.
Establish an OLCSTAT data set recovery procedure to deal with the loss of the OLCSTAT
data set. After every successful global online change, record the modify ID, the active online
change library suffixes, and the list of IMS systems that are current with the online change
libraries. If the OLCSTAT data set is destroyed, run the initialize function of the Global Online ...
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