Classification: Limited My trouble with JES2 is that different subparameters of the same statement can only be changed by different methods.
Take things like NJEDEF; I've seen places where it looks like the original installing lazy sysprog decided that rather than go through the trouble of increasing a value through what may have been a cold start back in the day, they'd just use a large number. NODENUM is one of those where you can increase it to your hearts content through anything beyond a hot start - but to decrease it? Cold start only. So, back to the above lazy sysprog, you're stuck with a JES2 definition of 9999 nodes without a cold start. Given the nature of the init deck vs whatever is held in (I guess) the checkpoint and when it's changed (hot start, command cold start etc), how close are the init decks to what's actually running? Andy Styles z/Series System Programmer -----Original Message----- From: IBM Mainframe Discussion List <IBM-MAIN@LISTSERV.UA.EDU> On Behalf Of Gibney, Dave Sent: 21 September 2020 04:18 To: IBM-MAIN@LISTSERV.UA.EDU Subject: Re: Is there a word for that? -- This email has reached the Bank via an external source -- I suppose dynamic would work. Today, many more of the parmlib members referenced by IEASYSxx can also be activated on the fly with seT. What I'd like would be a nice table or list showing which ones can be seT. A similar list for JES would be nice, but probably shorter to list those that can't be so changed. > -----Original Message----- > From: IBM Mainframe Discussion List <IBM-MAIN@LISTSERV.UA.EDU> On > Behalf Of Jesse 1 Robinson > Sent: Sunday, September 20, 2020 12:01 PM > To: IBM-MAIN@LISTSERV.UA.EDU > Subject: Is there a word for that? > > This is a question about categorizing JES2 commands. At one time, when > we were still buckling our knickerbockers above the knee, many/most > JES2 configuration definitions could be modified only by some kind of > restart ranging from hot start to warm start to cold start. Some years > ago JES2 developers got very busy and created command support for all > kinds of parameters that previously required some kind of disruption. > > The result is that now most JES2 configuration parameters can be > modified via $T. In fact, most changes are generally *ignored* during > JES2 restarts other than cold start. So here's my question: is there a > generally accepted term for 'changeable by command'? It would > facilitate communication regarding all kinds of changes. This weekend > we scheduled a JES2 change involving layers of administrative > rigmarole that was 'implemented' by editing the JES2 init deck. We > eventually issued a $T command after noticing that the desired change > did not take effect at IPL. I've heard 'volatile' suggested for 'changeable > by command', but I don't find documentation to support that. > Any ideas? > > . > . > 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<mailto:robin...@sce.com> > > > ---------------------------------------------------------------------- > 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 Lloyds Banking Group plc. Registered Office: The Mound, Edinburgh EH1 1YZ. Registered in Scotland no. SC95000. Telephone: 0131 225 4555. Lloyds Bank plc. Registered Office: 25 Gresham Street, London EC2V 7HN. 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