IBM Mainframe Discussion List <[email protected]> wrote on 05/04/2006 03:32:36 PM:
> According to an old doc [SSI in MVS/SP], when a user opens a DCB against a > SUBSYS dd, SAM-SI [part of the SAM access] converts it into an ACB [which > is presented to the SSI routines] and then maps the response back to the > original DCB. > > Anybody knows what happens if the user opens a VSAM ACB against a SUBSYS dd > [like when using BLSR]? The BLSR SSI Open routine is presented with a key 5 copy of the ACB being opened. I don't know what gets mapped back into the original ACB, because BLSR doesn't modify the key 5 copy, and doesn't depend on anything getting getting mapped back. My knowledge of SUBSYS processing is limited to what BLSR does. Jim Mulder z/OS System Test IBM Corp. Poughkeepsie, NY ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [EMAIL PROTECTED] with the message: GET IBM-MAIN INFO Search the archives at http://bama.ua.edu/archives/ibm-main.html
