z\OS containers being crucial? Absolutely. Some z\OS, DB/2, etc. upgrades require applications, subsystems, LPARs, Sysplexes, etc. At a certain stage before proceeding to the next stage. Hopefully these requirements can be limited to one or a small subset of containers.
On Wed, Jul 19, 2023, 00:07 David Crayford <dcrayf...@gmail.com> wrote: > > On 19 Jul 2023, at 12:44 pm, kekronbekron < > 000002dee3fcae33-dmarc-requ...@listserv.ua.edu> wrote: > > > > The "gift" is not containers but container tech... layering. > > Just lifting and shifting distributed tech onto mainframe, with no > consideration of the extreme complexities is very wasteful. > > Container orchestration exists because some of those containers (or the > hosts they may run on) may have a problem. > > How likely is that to happen on Z? > > I know there's also the thing about service boundary, isolation etc. but > do we really need all of that, totally ignoring equivalent patterns that > already exist in zOS? > > There are a lot of very wise an experienced folks who have quite clearly > stated that conatainers are critical to the future of z/OS. > > > > > Yes, zCX lets you treat a container as just another address space. > > But at the added complexity of container-related setup itself that needs > to happen within/across zCX. > > With native containers being controlled with systemd (which will be > possible if LSS exists), we needn't touch kubernetes with a 100 foot poll. > > Just because everyone is jumping about K doesn't mean it makes sense as > a universal solution. > > > > Anyway, there's already a lot of work from IBM indicating that zOS will > become just another dumb box that's controllable by the kuberlords (not > using this term in a derogatory manner, just referring to container people, > usually distributed folks). > > > > I don’t have a a problem with that. I recently saw a demo from IBM where > they spun up a z/OS system running on OCP on Linux for Z. IBM has written a > large collection of Ansible modules to do useful things like define a DB2 > system, IMS system gens, CICS stuff etc. I was impressed. We have Ansible > where I work and can stand up development z/OS images on z/VM. Very handy > if you doing systems level programming and don’t want to hose the LPAR you > share with your team. This new stuff was next level. > > > > - KB > > > > ------- Original Message ------- > > On Wednesday, July 19th, 2023 at 9:39 AM, David Crayford < > dcrayf...@gmail.com> wrote: > > > > > >>> On 19 Jul 2023, at 9:52 am, kekronbekron > 000002dee3fcae33-dmarc-requ...@listserv.ua.edu wrote: > >>> > >>> Here's a dumb and bold prediction - the guts of RHEL (CoreOS) will be > laid bare within zOS. > >> > >> > >> Nice idea, but I doubt it. > >> > >>> USS becomes LSS. zOS native containers are actually normal containers > that you see in the linux world. > >>> DSFS and zCX end up helping to blur the boundaries between zOS and LSS. > >> > >> > >> Containers on their own are of limited use. You really need clusters > and orchestration for it to be useful. We have z/CX Foundation for Red Hat > OpenShift which requires 6 zIIPs just to idle. I’m sure it will get there > in the end but it’s a dog at the moment. > >> > >>> zOS is not going away. But we could all use a total re-think of zOSMF. > >>> > >>> - KB > >>> > >>> ------- Original Message ------- > >>> On Wednesday, July 19th, 2023 at 6:17 AM, Jon Perryman > jperr...@pacbell.net wrote: > >>> > >>>> IBM RHEL announced it's move to closed source (IBM RedHat Enterprise > Linux). With some changes, DB2, RACF and other z/OS products could run in > Linux on z16 in one sysplexed Linux image. We know it's possible because > IBM moved Unix and TCP into z/OS. IBM RHEL said closed source would force > non-paying customers to buy RHEL licenses but this makes no sense. > Something else must be in play. > >>>> I created a survey at https://forms.gle/ZTPXsDJo8Z4H93sv7 to gain > insights into IBM's decision to close source RHEL. You can skip the survey > if you don't want to take it and view the survey results through this > website. Feel free to pass this along. > >>>> I think IBM wants to integrate z/OS products to retain their > investments and expand their customer base.. > >>>> Why is the z/OS community ignoring IBM RHEL closed source? Are > software vendors preparing their products for Linux? > >>>> > >>>> ---------------------------------------------------------------------- > >>>> For IBM-MAIN subscribe / signoff / archive access instructions, > >>>> send email to lists...@listserv.ua.edu with the message: INFO > IBM-MAIN > >>> > >>> ---------------------------------------------------------------------- > >>> For IBM-MAIN subscribe / signoff / archive access instructions, > >>> send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN > >> > >> > >> ---------------------------------------------------------------------- > >> For IBM-MAIN subscribe / signoff / archive access instructions, > >> send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN > > > > ---------------------------------------------------------------------- > > For IBM-MAIN subscribe / signoff / archive access instructions, > > send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, > send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN > ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
