I am also a small site, and I am shutting down within the year. Stopping
at z/OS 2.3. I am not sure what I'd have done if I had to do another z/OS
upgrade, usually every other release. It's clear that IBM plans to make z/OSMF
a requirement. And for zIIP-less shops, on small machines or low sub-capacity
caps, that overhead is going to be crippling.
For large shops and those who are using more features I guess I understand
the direction. And, I guess it's the larger shops that pay the bills....
> -----Original Message-----
> From: IBM Mainframe Discussion List <[email protected]> On
> Behalf Of Brian Westerman
> Sent: Friday, January 15, 2021 9:13 PM
> To: [email protected]
> Subject: Re: clarification please - is z/OSMF required for migrating z/OS from
> v2.3 to v2.4 ?
>
> The only real problem I have with z/OSMF is the overhead. Several of the
> sites I manage have very small z13s systems, without zIIPs or even multiple
> CPUs, so the overhead is beyond what they can live with.
>
> I doubt that z/OSMF will ever be the installation vehicle for z/OS, but it's
> nice
> to have. Also, the installation workflow is very flawed. Luckily I looked
> at it
> AFTER the first time I installed z/OS 2.4 or it would have taken me a lot
> longer. Instead it was over in a day.
>
> Brian
>
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