On Fri, 24 Mar 2006 11:06:50 -0600, Victor Gil wrote: >David, I am not longer a fan of any smart "hooks" into MVS services >[certainly not into OPEN or SVC 99 logic] mainly because of the potential >issues with code maintenance. [Although I have to admit, 25 years ago it >was fun to take over DOS 3.x by coding your own $$B-transient module that >would merely change the new PSW address for, say, Program Interruptions, to >an address passed on the call and then just execute the $$B-module <was it >through SVC 2?> from your problem state routine and divide something by >zero]. And field-level encryption, again, requires massive changes to the >applications. > >TomW, Buying a product that allows to add SUBSYS= to a given DD would be >difficult to justify, but I'd love to learn what MVS services it uses to >perform its magic in the case of a dynamic allocation.
(see below) >TomS, I know very little about BatchPipes, but from your description they >don't sound any better than the subsystem approach in terms of the issue >with dynamic allocation. As to your question - the confidential fields >[like the social security number] would be returned scrambled. Obviuosly >they won't participate in any arithmetic computation, nor can they serve as >the "keys" to further locate any associated data. If you just want to force a SUBSYS=(blah,blah) onto associated DD statements you can use JES2 Exit 6 to do that. You might be able to use an SMF exit for it, too, but I've had better results with exit 6 personally. If you want to force a SUBSYS=(blah,blah) onto associated DYNALLOC you can use exit IEFDB401, as documented in System Exits. If it were me, I'd code a common routine with exit-specific wrappers. What BatchPipes buys you is a supported subsystem to do what you want (and a lot, lot more than that if you are looking for help justifying the expense). But if you are determined to write your own subsystem, knock yourself out. (It is fun.) -- Tom Schmidt Madison, WI ---------------------------------------------------------------------- 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
