In that case, you are taking a risk. We don't try to make SADMP upward or downward compatible across releases, so whether or not that happens to work depends mainly on what changes were made in the Real Storage Manager component.
Jim Mulder z/OS Diagnosis, Design, Development, Test IBM Corp. Poughkeepsie NY IBM Mainframe Discussion List <IBM-MAIN@LISTSERV.UA.EDU> wrote on 09/27/2017 05:11:22 PM: > From: Jesse 1 Robinson <jesse1.robin...@sce.com> > To: IBM-MAIN@LISTSERV.UA.EDU > Date: 09/27/2017 11:08 PM > Subject: Re: DLIB volume for SAD > Sent by: IBM Mainframe Discussion List <IBM-MAIN@LISTSERV.UA.EDU> > > My comment was meant more for z/OS release upgrades. In some of our > sysplexes, we run both old and new releases for some period before > full migration. I guess it's somewhat risky, but we generally > rebuild SAD when the first member gets upgraded. If we were shot at, > we were missed. ;-) > > . > . > J.O.Skip Robinson > Southern California Edison Company > Electric Dragon Team Paddler > SHARE MVS Program Co-Manager > 323-715-0595 Mobile > 626-543-6132 Office ⇐=== NEW > robin...@sce.com > > > -----Original Message----- > From: IBM Mainframe Discussion List [mailto:IBM-MAIN@LISTSERV.UA.EDU > ] On Behalf Of Jim Mulder > Sent: Wednesday, September 27, 2017 12:42 PM > To: IBM-MAIN@LISTSERV.UA.EDU > Subject: (External):Re: DLIB volume for SAD > > I don't know of any SADMP PTFs that were not downward compatible > within the same release of z/OS, and we would certainly try to avoid > creating that scenario. > > Jim Mulder z/OS Diagnosis, Design, Development, Test IBM Corp. > Poughkeepsie NY > > > In addition the SAD IPL volume should in principle be compatible with > > the level of z/OS that might use it. Periodically changes are made to > > SAD by a PTF whose ++HOLD instructs you to rebuild SAD. It could > > conceivably happen that an older level of z/OS might have trouble with > > a higher level SAD IPL volume, but I've never seen it. ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
