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 3. Database enhancements 105
3.5.6 Elimination of OSAM U0080 Open, Close, or EOV abends
Previous versions of IMS had rare problems in OSAM open, close, or end-of-volume
processing. When they occurred, the entire IMS system terminated with the U0080 abend.
IMS 12 has changed this processing. When such problems occur, the database is closed and
marked recovery needed. The abend does not occur. Additionally, message DFS0730I is
issued for open or close problems. X is included as the first character in the reason code. The
yy and z values identify the actual problem (Example 3-30).
Example 3-30 DFS0730I message
DFS0730I UNABLE TO OPEN|CLOSE ...
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