This question is related with CICS-DB2 Connection. We have a CICS Application Owning region running in system A....
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However, the DB2 is running in system B. Is it possible to connect to DB2 from the cics region?.
CICS TS must be running in the same OS/390 image as the DB2 subsystem instance it connects to because CICS and DB2 communicate via cross-memory mechanisms. However you could have a DB2 subsystem (in the same OS/390 image as CICS TS) that manages no data of its own but uses DRDA (Distributed Relational Database Architecture) to pass the SQL request to the DB2 subsystem in a second OS/390 image. For information about this approach see "Reference for Remote DRDA Requesters and Servers" (SC26-9942).
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