Mainframe, MVS and zOS Discussion

Robert Sample wrote: ↑Sun May 02, 2021 7:29 pmDepending on how your site is set up, using UNIT=DASD may be ignored -- or it may cause the allocation to use the wrong storage pool, causing various problems.

Thank you Robert.

This is what I want to know, what type of problems can it cause? Could you please guide?

That was a great, actually chip looked so compact for that time. I heard that mainframes were bigger than rooms so size mattered based on this reading I read somewhere.

Thanks Anuj.

What is SMS in your reply?

Hi, In our system we have many type of datasets. Datasets starts with different names, like some datasets start with 'T', others with 'P' or 'W'. Now how does system decides which unit parameter should be used for which qualifier? I thought it should be done by CLASS but the links I read through did...

Hi, Recently in our company they have started rejecting the JCL or PROCs which have UNIT parameter coded. The argument is that per the new 'mainframe standards' UNIT parameter is no longer required. My question is how would they control harm done by existing UNIT parameter which is in use by existin...

Happy B'day indeed!