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When you specified V for RECFM parameter, LRECL value is largest record in the file plus 4 bytes. These four bytes contain the actual length of each variable length record in the file
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Joined: 09 Aug 2008 Posts: 1625 Location: Mumbai, India
Posted: Thu Aug 18, 2011 2:53 pm Post subject:
It depends on how you are invoking IMS - if you are using DFSRRC00 then U0476 menas, a DL/I call does not include a valid PCB address as you also have said. The PCB address in the DL/I call (second parameter or third, if count is the first parameter) is not one of the PCB addresses passed to the application program at its entry point.
I'm not sure if you've looked for it or not, however for such a generic question I'd say, the DFSRRC00 Parameters differ depending from the execution environment (BMP, DBB, JMP, ...). The symbols in the JCL might be different at different sites, but the meaning remains the same.
Please have a look at the IMS Installation Guide Volume 2: System Definition and Tailering. You can use the following link to get there -
Look for the procedure descriptions, e.g. IMSBATCH is the name for the BMP. Right after the sample JCL in section IMSBATCH Procedure Parameters is a list of all applicable DFSRRC00 symbols for this execution environment, for which the meaning can be looked up in section Parameter Description in the same book.
This applies to IMS V9 or earlier. _________________ Regards,
As you are sing CMPAT=YES in PSBGEN, DLI will internally use one PCB for checkpoint restart. You have to have two pcbs in linkage section. First one should be IO-PCB. Seocnd one is the pcb for your DB RETDTRAN. Similary you have to use these two pcbs in DLITCBL or PROCEDURE DIVISION USING IO-PCB,RETDTRAN-PCB statement. If you dont want IO-PCB, remove CMPAT=YES in PSBGEN. Hope this explains
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