Um. I'm sure that's all 100% accurate, but all I get out of it is "It's not that easy". Correct?
-----Original Message----- From: IBM Mainframe Discussion List <[email protected]> On Behalf Of Mike Schwab Sent: Wednesday, November 12, 2025 2:45 PM To: [email protected] Subject: Re: SMS and SMP/E: Naive questions https://www.ibm.com/docs/en/zos/3.1.0?topic=commands-define-cluster DEFINE CLUSTER includes DATACLASS(), MANAGEMENTCLASS(), and STORAGECLASS() but not STORAGEGROUP(), requiring ACS updates. https://www.ibm.com/docs/en/zos/2.5.0?topic=guide-smpe-primer https://www.ibm.com/docs/en/zos/3.1.0?topic=guide-preparing-use-smpe DDDEF configures the output of the load module editor. On Wed, Nov 12, 2025 at 1:10 PM Phil Smith III <[email protected]> wrote: > We install our product via SMP/E, and of course provide sample JCL to > do so. Those jobs currently specify VOLSERs everywhere via a VOLSER > variable, with the expectation that customers will further configure > the jobs for their installation, especially if using SMS. > > I'd like to make it simpler. Looking at the jobs, there are three > places that the VOLSER gets used. > > The ALLOC job contains: > // VOL=SER=&VOLSER., > (on a bunch of DDs) and > VOLUMES(&VOLSER) + > (on a bunch of DEFINE CLUSTER statements) and > VOLUME(&VOLSER). > (on a bunch of ADD DDDEF statements) > > and the RECEIVE jobs each have a single instance of: > //SMPTLIB DD UNIT=&UNIT,VOL=SER=&VOLSER,SPACE=(CYL,(10,10,100)) > > I'm wondering if it seems plausible to do something like add a > variable named (say) VSORSC (that's "VolSer OR StorClas"). The value > of this would be (doh) a VOLSER or storage class name, plus another > variable indicating whether it's a VOLSER or storage class. Then our > code would set and use more variables in the appropriate places,e.g.: > > If using VOLSERs: > SD1 gets set to VOL=SER=&VSORSC > SD2 gets set to VOLUMES(&VSORSC) > SD3 gets set to VOLUME(&VSORSC) > > If using STORCLAS: > SD1 gets set to STORCLAS(&VSORSC) > SD2 gets set to ?? > SD3 gets set to ?? > > The question is what SD2 and SD3 should be set to when using STORCLAS; > I don't know (maybe just STORCLAS(&VSORSC) again??). And those with > more knowledge of SMS and SMP/E than me (I can spell both about two > out of three > times) may say "Nah, this is pointless because there are too many > other possibilities for this to even come close to making sense". > > Obviously I'm ignoring the case of them wanting to use VOLSERs but > with stuff spread across multiple volumes, or using SMS but wanting > stuff in different storage classes; those are possible but seem like > the advanced class--those folks won't have a problem just updating the jobs > directly. > > Plausible? Or fool's errand? > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, send > email to [email protected] with the message: INFO IBM-MAIN > -- Mike A Schwab, Springfield IL USA Where do Forest Rangers go to get away from it all? ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
