I don't think it is hidden information, I just found: z/OS MVS Using the Subsystem Interface SA38-0679-00 One chapter is called: Why Write Your Own Subsystem?
Each subsystem can deliver support for SUBSYS= in the JCL to handle DD statements if it is useful, like Panvalet, Librarian, LOGR and others mentioned. They have to document the interface for their SUBSYS= JCL parameter. Kees. > -----Original Message----- > From: IBM Mainframe Discussion List [mailto:IBM-MAIN@LISTSERV.UA.EDU] On > Behalf Of Peter Hunkeler > Sent: 07 November, 2017 12:19 > To: IBM-MAIN@LISTSERV.UA.EDU > Subject: AW: Re: SUBSYS= ? > > > >My comment about deprecation was limited to the SUBSYS= keyword. I saw > from other replies that Panvalet and Librarian use the keyword. > > > > Just to remember: z/OS MVS's system logger provides support for SUBSYS > JCL keyword to read either logrec or SMF directly from the logstream: > > > From the z/OS MVS Tools and Service Aids manual: > SUBSYS=(LOGR[,exit_routine_name][,'SUBSYS-options1'][,'SUBSYS- > options2']) Specifies that processing of this DD is to be handled by the > LOGR subsystem. The exit_routine_name is the second positional parameter > and specifies the name of the exit routine to receive control from the > LOGR subsystem. > o Specify or use the default value to IXGSEXIT to use the log stream > subsystem exit routine. > o Specify IFBSEXIT to access records from the logrec log stream. See > SUBSYS-options2 for logrec-specific paramters. > o Specify IFASEXIT to access records from SMF log streams. See SUBSYS- > options2 for SMF-specific parameters. > > > I guess (I'm not a vendor) that vendors might get access to > documentation related to SUBSYS= SSI function under some nondisclosure > agreement or what ever. > Curious to understand where the problems with SUBSYS= lie. > > > -- > Peter Hunkeler > > > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, > send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN ******************************************************** For information, services and offers, please visit our web site: http://www.klm.com. This e-mail and any attachment may contain confidential and privileged material intended for the addressee only. If you are not the addressee, you are notified that no part of the e-mail or any attachment may be disclosed, copied or distributed, and that any other action related to this e-mail or attachment is strictly prohibited, and may be unlawful. If you have received this e-mail by error, please notify the sender immediately by return e-mail, and delete this message. Koninklijke Luchtvaart Maatschappij NV (KLM), its subsidiaries and/or its employees shall not be liable for the incorrect or incomplete transmission of this e-mail or any attachments, nor responsible for any delay in receipt. Koninklijke Luchtvaart Maatschappij N.V. (also known as KLM Royal Dutch Airlines) is registered in Amstelveen, The Netherlands, with registered number 33014286 ******************************************************** ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
