Episode 36 "Telum Like It Is"

Episode 36 "Telum Like It Is"What’s Newz/OS dependencies moved from Semeru 17 to 21. EOS for Semeru 11 is 30 Nov 2025.Manual of the Moment: z/OS 3.1 Planning for Installation refresh, Software Dependencies sectionMainframe - Position z/OS for IBM z17z/OS V2.4 and higher is supported on IBM z17. Use SMP/E FIXCATs to find the necessary service.z/OS Sysplex requirements for coexistence is z15, z16, and z17.Exploitation for z17 in z/OS includes: Workload level sustainability and power consumption, Workfload classification pricing, new CL6 link technology, BCPii and HMC hardened security, CF Level 26, and more.Mainframe Also - Preview of z/OS 3.2z/OS 3.2 will IPL on z15 and higher servers. Planned GA is 3Q2025.Some new functions previewed, but stay tuned for further announcements with more complete functions.Highlights: new REST APIs for doing installation of service updates, support for direct encryption to tape, new z/OSMF Storage Management interface, RACF certificate support for multiple altnames, and more.Performance - IBM z17 highlightsTelum 2 processor has the 2nd generation on-chip AI accelerator, with 8-bit integer (INT8) and 16-bit floating point (FP16) datatypes for more thruput.5nm (from 7nm), with clock speeed of 5.5 GHz (from 5.2).DPU has 4 port cards (from 2), with energy consumption reduction. DPU accessible from other chips and DCMs.1 to 4 processor drawers. 4-drawer models are Max183 and Max 208.Memory 64 TB (from 40).Measurements with new Channel Measurement Groups 4 and 5, with SMF 73 support.TopicsMartin and Marna discuss how they prepared materials for IBM z17, with the Upgrade Workflow and Redbooks.On the blogMarna's blogMartin's blogsSo It Goes