What if the res volume is spreaded on two volumes ? Can we still use '******' ?
On Thu, 29 Aug, 2019, 9:17 AM Barbara Nitz, <nitz-...@gmx.net> wrote: > >I have never has a problem using &SYSR1 anywhere ****** could have been > used. > >Actually, the resolution of &SYSR1 occurs very early in the IPL, long > before CAS is initialized. > > > >The difference is that &SYSR1 is resolved by CAS, which is not yet > initialized at that moment. Until then, ****** does the built-in > substitution. > > The non-full-function CAS address space used to start way after LPA and > Linklist are built. When I had LPA and Linklist data sets catalogued on > volume &SYSR1. (z/OS 1.13), the IPL essentially failed, because LPA was > rather empty and also Linklist only had the automatically added libraries > in it. Very hard to get a system up that way. > > There used to be a gap in the asid numbers (IIRC, it was a missing number > 8) that was the non-full-function asid. When I just checked z/OS 2.3, that > gap is gone. So either there isn't an early CAS anymore (the full-function > CATALOG asid has number x'2B') or the early CAS uses REUSEASID=YES or the > startup sequence was completely rewritten. > > In any case, when I check the VOLUME parm for DEFINE NONVSAM, it still > reads to me that volume ****** covers the sysres volume and &xxxxx is > supposed to be used for *extensions* of the sysres volume. This reads: > "The symbol name is intended to represent the volume that is a logical > extension of the system residence volume. > ... IBM recommends the use of the symbol &SYSR2 for the first logical > extension to the system reference volume, &SYSR3 for the second, and so on." > > So, has anyone IPL'd z/OS 2.2 or higher with the data sets on the sysres > catalogued to volume &SYSR1. instead of volume ****** ??? > > Barbara > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, > send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN > ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
