Thread: Python on z/OS

ZOAU datasets.write vs handing everything in JCL

Started by Nina • user4 replies102 viewsLast activity 2 weeks ago
Post #1
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Nina
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Joined: Dec 3, 2025, 4:18 PM
Posted: Jul 28, 2026, 8:22 AM

Came from distributed. Writing a small automation that creates a PDS member and submits a job. ZOAU datasets.write / job submit APIs look perfect.

Ops folks keep saying "just use JCL." Is ZOAU actually used in prod shops or mostly demos?

Post #2
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Priya
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Joined: Aug 17, 2025, 2:03 PM
Posted: Jul 28, 2026, 10:22 AM

We use it in prod for glue work - dataset checks, light submits, health reports. Not replacing the core payroll JCL. Think of it as REXX with a friendlier ecosystem.

Post #3
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Bill
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Joined: Aug 28, 2024, 7:08 AM
Posted: Jul 28, 2026, 3:22 PM

As long as the ID has the same RACF rights as the batch user and you log what you submit, I am fine with it. Wild west personal HLQs submitting to prod is a no.

Post #4
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Nina
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Joined: Dec 3, 2025, 4:18 PM
Posted: Jul 29, 2026, 11:22 AM

Fair. Keeping it under the automation ID with the same controls as the old REXX.

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