I'm sure that Ed and Phoenix have the necessary talent.... A viable business 
case and RTOI would be a different question.

> -----Original Message-----
> From: IBM Mainframe Discussion List <[email protected]> On
> Behalf Of Jesse 1 Robinson
> Sent: Monday, June 14, 2021 11:34 AM
> To: [email protected]
> Subject: Re: How to compare parameters in one z/Os with parameters in
> another z/OS
> 
> Like Ed, I recently questioned the availability of automatic JES2 parm back-
> generation. Seems that I had catapulted a long-standing requirement into a
> fait accompli. Does not exist, sadly. JES2 is especially complicated, as 
> others
> have noted, because a change edited into the init deck will not likely take
> effect until some time in the future--perhaps unexpectedly.
> 
> All parms, JES included, are even further complicated by the effect of
> defaults, which figure into pretty much all products from z/OS forward. There
> are historically two different attitudes toward defaults. IBM generally
> recommends taking available defaults (unless documentation recommends
> otherwise) in order to take advantage of developer updates. But many
> sysprogs prefer to hard code values to minimize poking around for effective
> values. So it can easily happen that a parm value can differ by whether it's
> hard coded on any or all systems and if not, what the default value is for any
> given release and APAR level.
> 
> All in all, the prospect of automating parm back-generation is pretty dim.
> 
> .
> .
> J.O.Skip Robinson
> Southern California Edison Company
> Electric Dragon Team Paddler
> SHARE MVS Program Co-Manager
> 323-715-0595 Mobile
> 
> -----Original Message-----
> From: IBM Mainframe Discussion List <[email protected]> On
> Behalf Of Seymour J Metz
> Sent: Monday, June 14, 2021 8:56 AM
> To: [email protected]
> Subject: (External):Re: How to compare parameters in one z/Os with
> parameters in another z/OS
> 
> *** EXTERNAL EMAIL - Use caution when opening links or attachments ***
> 
> A lot can be automated, but the task is not as simple as it seems. In addition
> to the issue of order, there's also the issue of symbols and the IPL
> parameters from the HMC. As others have mentioned, good configuration
> control processes will help to avoid the need to frequently compare
> parameters.
> 
> 
> --
> Shmuel (Seymour J.) Metz
> https://urldefense.com/v3/__http://mason.gmu.edu/*smetz3__;fg!!JmPEg
> BY0HMszNaDT!7g4prHcU81Z_cvPb9q99W1-
> NY97Q58h4mWA5oyNP6nM_irw5MN_zjgo-vxK2Sg$
> 
> ________________________________________
> From: IBM Mainframe Discussion List [[email protected]] on
> behalf of Arthur [[email protected]]
> Sent: Monday, June 14, 2021 9:29 AM
> To: [email protected]
> Subject: Re: How to compare parameters in one z/Os with parameters in
> another z/OS
> 
> On 13 Jun 2021 16:50:55 -0700, in bit.listserv.ibm-main
> (Message-
> ID:<[email protected]>)
> [email protected] (ibmmain) wrote:
> 
>  >&nbsp;We want to make sure two z/OS use the same
> parameters(PARMLIB,VTAMLST,and so on)&nbsp;  >  >  >Because there is
> some parameter which is multiline in member, it isn't easy to compare them.
>  >&nbsp;&nbsp;
>  >Is there any way to compare&nbsp; parameters in one z/Os with
> parameters in another z/OS
> 
> Others have suggested a good start of display commands, IPLINFO,
> SHOWZOS, etc. This is a good way to compare running systems because the
> output will be in predictable order and format. BUT....
> 
> Most parms can be overridden by commands. If/when a system is IPLed, it
> will revert to the parms as specified in parmlib. If you have proper change
> control, those parms have been updated, too. But, if you had that level of
> change control, you probably would not be in the situation of trying to
> compare parms from one system to another.
> 
> So it probably does make sense to start with the easy techniques, but you
> may still have to slog through checking the parmlibs against each other the
> hard way.
> 
> But I have two thoughts on the above:
> 
> Do you have a sandbox where you can IPL those systems in a test mode and
> compare the displays with the running systems?
> 
> Are there (supported?) ways to generate parmlib members from what's
> actually in effect? (ISTR that JES2 does.) If so, they'll probably be in he 
> same
> formats and orders, thus easy to compare.
> 
> 
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