1. I have my reasons that I do not wish to go into in public. They are valid 
reasons, and no, the reason does not involve bypassing any restriction.

2. I do not want to use the CPU machine type for the exact reasons you 
describe. I know IBM has done this with other models from time to time. I am 
looking for a software flag. 

Remember z/OS.e? Was there an in-memory flag for that?

Right: what is "production"? If you are a software development shop, aren't 
compiles your "production"? I used to try (with limited success) to make that 
argument with IBM support to justify a Sev 1: all my developers are dead in the 
water  -- development is my "production."

Charles


-----Original Message-----
From: IBM Mainframe Discussion List [mailto:[email protected]] On Behalf 
Of Dave Jousma
Sent: Monday, April 5, 2021 11:36 AM
To: [email protected]
Subject: Re: Machine-readable flag for "development-only z/OS'

So, this question got me thinking.....

We have a few ZD&T instances running here.   I was not fully involved with the 
group bringing it in, other than setting some ground rules regarding 
customization, and "who" would be supporting.   

My recollection though, is that the Terms & Conditions of ZD&T state "no 
production workload".    However, to my knowledge there is no mechanical 
enforcement of that?   I mean what constitutes production workloads?

I'm only asking a theoretical question, in that since IBM doesn't enforce via 
mechanical means, why bother at your end Charles to try to code something for 
that?   You know darn well the machine type will change one day, and if you 
code off of that, it will break your code?   What if someone is testing your 
code validly in zD&T, but not using it for production?

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