On Fri, 28 Jul 2006 10:42:03 +0200, Hunkeler Peter (KIUB 34) <[EMAIL PROTECTED]> wrote: <snip>
>My colleague claimes that he once was told by an ISV that in a JES2 >environment two jobs can be serialized on a certain step by >coding a DISP=OLD/MOD DD for a data set in the step to be seriallzed. >The jobs would then execute in parallel until they come to that >specific step. They also said that this will not work in a JES3 >environment because JES3 behaves as I described above. This >contradicts my understanding (and experience). > > >Can anybody enlighten me if this has changed in either JES2 or >JES3, and if so when this change happended. I seem to remember >as far back as MVS/XA that the job-level-ENQ behaviour is how >it works. Am I wrong? > The first MVS I worked on was SP 1.3 + JES2 and it worked the way it does now. Perhaps an "older-timer" can tell you how it was before that. Mark -- Mark Zelden Sr. Software and Systems Architect - z/OS Team Lead Zurich North America / Farmers Insurance Group mailto: [EMAIL PROTECTED] z/OS and OS390 expert at http://searchDataCenter.com/ateExperts/ Mark's MVS Utilities: http://home.flash.net/~mzelden/mvsutil.html ---------------------------------------------------------------------- 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
