Mainframe, MVS and zOS Discussion

Has anyone here faced something similar or have a suggestion? when data definitions change, how do you ensure no corruption after deploy? Appreciate any ideas or examples you can share.

I have a situation in which Sane to rewrite REXX utilities as Python on USS? What about performance and dependencies? Thanks in advance for your help and insights.

As part of my current work, I happened to run into a scenario where Anyone mapping COBOL programs to REST with z/OS Connect? Tips for payload mapping and session management. Appreciate any ideas or examples you can share.

I have been working on Hundreds of programs share the same copybooks. How do you manage versioning—branching, includes, central repos? Thanks in advance for any pointers.

Hi All - I have data with packed decimals and inconsistent signs. What's your safest pattern to parse/validate COMP‑3 before business logic? Sample snippets welcome. Thanks in advance for any pointers.

Has anyone here faced something similar or have a suggestion? when data definitions change, how do you ensure no corruption after deploy? Appreciate any ideas or examples you can share.

We want analytics in the cloud while IMS remains the system of record.
What CDC/connect strategies have worked to keep lag below a few minutes? Kafka? MQ? z/OS Connect?
 

Hi All,

In our CI/CD setup (using DBB with Jenkins), we are trying to run multiple COBOL builds in parallel to reduce build time. The issue is — sometimes the builds clash because they are trying to access the same copybooks or load libraries at the same time. We get locking problems or mismatched ...

Hi,

I had to leave job in 2018 and now restarting my career. I used to work with mainframes, could you please guide with some practical questions on mainframes, like:

If you get -811 error in production then how would you fix it
I said I would delete a row in the table
How would you decide which ...

I also think so. I have searched a lot, but I cannot find a hint for it. 

Thank you enrico, I figured that too but rocketsoftware website does not really tell if they have discontinued the software or rebranded it. As I could not find any direction on documentation on the site. 

Hi,

I had been looking for the documents on Proteus(Fundi). And the only relevant post, on the intrnet, I could find was the below one: What is Proteus(Fundi)? - Mainframe, MVS and zOS Discussion (zmainframes.com) Are there any more documentation someone can share please? Or direct to a link? This ...

Thanks. Then what is best way to do it? Please advise.

There is no limit on number fo records because of JOINKEYS, I've used it for millions of records.

Thanks Anuj. This is very helpful.

Hi,

This is a great Forum for DevOps and some of the threads are interesting. But do we need to really go in the direction of DevOps of mainframes and where are the programs to learn it our own from IBM or other companies?

Thanks, I can understand that but Can FUNCTIONS like other language be used in COBOL. I mean it gets confusing even today that we think about calling a program in memory?