Posting to both RPG and COBOL lists because, although I'm trying this in COBOL, the environment uses both languages and I could do it in either.


I'm working on a proof-of-concept for a client.  They want an embedded SQL program (CBLLE or RPGLE) to connect to a z/OS DB2 instance, read data from a table and bring it back to the IBM i.

I wrote the IBM i program (ILE COBOL), successfully connected to the z/OS DB2, and attempted to open a cursor on a remote table.  I got a failure code because of no package.  On the IBM i side, I eventually was seemingly able to create a package on z/OS by using CRTSQLPKG and specifying the IBM i program and the z/OS remote database name.

When I tried running the program again, I got a different error when I attempted to open the cursor.  This time, the error indicated the z/OS user ID that made the connection was not authorized to the SQL package. That's odd, because the same user ID was used via a server authorization entry when I ran the CRTSQLPKG command.

At my last job, I helped to make this happen going in the other direction:  COBOL program on z/OS making connection to IBM i and reading data from IBM i DB2 tables using SQL.  The mainframe developers had some initial trouble with their BINDs, but eventually we got it to work.

Does anyone here have any experience connecting _from_ IBM i _to_ z/OS? If so, do you have any tips, and can you point me to any IBM documentation on this?

Thanks in advance.

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