> If you already deliver container images that support your product that > currently run outside z/OS, or if that’s what you plan to do, it’d be a great > idea to add s390x compatibility to your container images so your customers > have greater deployment flexibility. That’s usually quite easy to do.
Honest question... adding s390x target is easy? Say if there are a bunch of open source projects that build to x86_64, arm64, etc. Can a shop that runs zLinux themselves add compat for s390x, for the projects/containers they're looking at? - KB ------- Original Message ------- On Friday, April 22nd, 2022 at 11:13 AM, Timothy Sipples <[email protected]> wrote: > David Crayford wrote: > > > Right, but zCX is not free. > > > Actually it’s no additional charge for 90 days. However, “it’s not free” is > not a meaningful argument. It’s never free to run applications in an > enterprise context at least. What matters is whether there’s sufficient or > better value-for-money compared to next best alternatives. “Money” here also > includes labor inputs and the many other cost-related ingredients. > > > You have to pay a hardware license fee... > > > No, you don’t. On IBM z14 and IBM z15 machines you have the option to order > Feature Code 0104, and then there’s no additional software charge for/with > z/OS. Or you can choose the IBM Container Hosting Foundation for z/OS > (5655-HZ1), a monthly charge software element. On IBM z16 machines there’s no > Feature Code 0104, so you would choose the IBM Container Hosting Foundation > for z/OS. For this 5655-HZ1 software element there’s a further choice of flat > or tiered pricing. And you can change your mind. For example, you can start > on tiered then switch to flat or vice versa. Obviously you should compare > (and perhaps periodically re-compare) flat and tiered then pick the lower > price. > > Another option is the IBM zCX Foundation for Red Hat OpenShift (5655-ZCX). > This IBM Program Number has zero license charge but chargeable annual > Subscription & Support. Loosely speaking you can think of this product as > “Yearly License Charge” (YLC), akin to MLC but 12 months at a time. This > product does not require either Feature Code 0104 or 5655-HZ1. As its name > indicates this product provides Red Hat OpenShift Container Platform on z/OS, > delivered and supported by IBM. > > In case anyone is wondering, IBM plans to continue offering, developing, and > supporting both the z/OS Container Extensions and IBM zCX Foundation for Red > Hat OpenShift. You can choose either or even both. One is not a replacement > for the other. If you’d like a Red Hat analogy, the z/OS Container Extensions > are analogous to Podman, and of course the IBM zCX Foundation for Red Hat > OpenShift is Red Hat OpenShift Container Platform. > > If you’re a software vendor/solution provider, and if you deliver Docker/OCI > container images as part of your solution, either the z/OS Container > Extensions or the IBM zCX Foundation for Red Hat OpenShift should support > your software. The container images need to be either s390x single > architecture or multi-architecture with s390x compatibility. If your > container image runs on Linux on IBM Z/LinuxONE (on Podman as a notable > example) or on IBM Cloud Hyper Protect Virtual Servers then it will be fine > on z/OS in either of the container runtimes as long as there are no > unsatisfied external dependencies. If you notice anything unusual that > contradicts what I just wrote, please let IBM know so IBM can (most probably) > fix it. If you already deliver container images that support your product > that currently run outside z/OS, or if that’s what you plan to do, it’d be a > great idea to add s390x compatibility to your container images so your > customers have greater deployment flexibility. That’s usually quite easy to > do. > > Please note that Feature Codes 0103 and 0104 are NOT carry forward feature > codes. Obviously they don’t carry forward to IBM z16 (since they don’t exist > on that model), but they also did not/do not carry forward from IBM z14 to > z15. > > > ...plus assign zIIP, disk and storage resources. > > > You’re not strictly required to have or use zIIPs, but IBM recommends at > least one for zCX. > > As a periodic reminder, my views are my own. Always rely first on official > IBM publications and statements if you want to know what’s official. > > — — — — — > Timothy Sipples > Senior Architect > Digital Assets, Industry Solutions, and Cyber Security > IBM zSystems and LinuxONE > [email protected] > > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, > send email to [email protected] with the message: INFO IBM-MAIN ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
