Any possibility of licensing one zIIP on a z14 or earlier with zero zIIPs so z/OS 2.5 z/OSMF installation method can be run once installed?
On Thu, May 19, 2022 at 7:51 AM Timothy Sipples <sipp...@sg.ibm.com> wrote: > > Mike Schwab asked: > >Doesn't IBM also allow software capping to a lower capacity than the > >slowest uniprocessor through the operating system? > > Yes, but usually you wouldn’t do that for IBM software licensing reasons. > That’s because the A01 capacity model uniquely qualifies for IBM zSystems > Entry License Charges (“zELC”) from IBM. > > https://www.ibm.com/it-infrastructure/z/pricing-licensing > > Andrew Rowley wrote: > >I did say "a small" system in the 1990s, not the smallest available. But > >your 28X illustrates the point. Over the same period, other platforms > >have increased what, 1000X? More? > > That’s even more difficult to characterize, but (eyeballing it) 1000X must be > too high. > > To back up a couple steps, if you have either of these machines: > > any IBM zSystems machine with at least one zIIP > any IBM z15 machine or higher > > then you should be fine, right? Having a zIIP gives you plenty of horsepower > for z/OSMF, and having an IBM z15 gives you System Recovery Boost which gives > you…plenty of horsepower for z/OSMF at least during the first 60 minutes. > (It’s the z/OSMF startup that can take a long time on a low capacity > configuration. One or more zIIPs is still a REALLY good idea, including for > SRB as it happens. But for z/OSMF specifically, for getting z/OS installed, > SRB should fit the bill.) > > OK, so what’s left? It’s specifically small capacity IBM z13s and IBM z14 ZR1 > machines without zIIPs. z/OS 2.5 doesn’t run on any machine prior to IBM > z13s, so this pending change doesn’t affect any prior models. But (good > news!) you can still order and install z/OS 2.5 without z/OSMF for these > particular machines. That’s the whole purpose of this thread, to alert you to > the last CustomPac ordering date. And you could still start and run z/OSMF on > a small capacity zIIP-less machine without SRB, but it can take a long time > (wall clock time). > > Please talk with your “friendly IBM representative” if you’re going to have > any difficulties here. But if you fit this profile: > > * run z/OS > * small capacity IBM z13s or IBM z14 ZR1 > * no zIIPs > > then please order z/OS 2.5 with CustomPac before the deadline, just in case > you need it. There shouldn’t be any additional charge to place an order if > you’re already a z/OS licensee. > > If that’s STILL not enough, please “talk with your friendly IBM > representative.” These people are generally reasonable. > > — — — — — > Timothy Sipples > Senior Architect > Digital Assets, Industry Solutions, and Cyber Security > IBM zSystems and LinuxONE > sipp...@sg.ibm.com > > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, > send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN -- Mike A Schwab, Springfield IL USA Where do Forest Rangers go to get away from it all? ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
