IBM Z Hardware and Operating Systems Ideas Portal


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BCP_Supervisor

On CPU with capacity setting of 7nn (full speed), change default in IEASYSnn from BOOST=SYSTEM to BOOST=ZIIP or remove BOOST=SPEED from SYSTEM.

On hardware with capacity setting of 7nn, speed boost is not possible since the hardware is running at full speed. This is to avoid "IEA672I Recovery process speed boost is not activated - processor is already full speed" or changing the default i...
26 days ago in z/OS / BCP_Supervisor Under review

SRB. Allow user initiation of System Recovery Boost within an hour of IPL to avoid SRB period being burned performing systems checks.

Quite often there are manual systems health checks after an IPL - emergency or otherwise - before systems are handed back to the business and productive workloads are restarted. By the time system checks are compete, most of the system recovery pe...
6 months ago in z/OS / BCP_Supervisor Needs more information

Allow zIIP Eligible CPU tasks to utilize unentitled (Vertical LOW CPs) , when zIIPs need help.

Currently, only entitled (Vertical High and Medium) CP's can help zIIP s when the zIIPs are near 100% utilization. VERTICAL LOW CPs are not entitled to help with zIIP eligible work when the zIIPs need help. Most LPARs are configured a percentage o...
about 1 year ago in z/OS / BCP_Supervisor Future consideration

Stacking PCs only support 31-bit via the ETDEF service PROGRAM or ROUTINE. The hardware has supported 64-bit PCs for over twenty years. This support needs to be added.

Allows PC routines to be located above the bar.
about 1 year ago in z/OS / BCP_Supervisor Future consideration

The LOAD service does not allow load modules with SPLIT attribute to be loaded into ADDR and ADDR64 areas. This makes loading a SPLIT module into ECSA and 64-bit COMMON difficult, as one must code two separate modules.

Simplify z/OS LOAD and utilize SPLIT as intended
about 1 year ago in z/OS / BCP_Supervisor Future consideration

For the LOAD macro, it appears that the parameter EXTINFO was added wth the express purpose of avoiding a call the CSVQUERY. However, CSVQUERY must still be invoked to get module attribute information, such as RENT, who loaded it, etc. EXTINFO should return this information as well.

Finish the goal of avoiding a CSVQUERY invocation.
about 1 year ago in z/OS / BCP_Supervisor Future consideration

Sign the z/OS Customized Offerings Driver for Validated Boot

The IBM Customized Offerings Driver (IBM Program No. 5751-COD) should be digitally signed by IBM so that it can be optionally checked in the field using Validated Boot for z/OS procedures. Although IBM Z installations can already validate the inte...
over 1 year ago in z/OS / BCP_Supervisor Future consideration

Extend z/OS Validated Boot Protections to z/OS Sysplexes

Currently z/OS Validated Boot only operates within the scope of a single z/OS LPAR (or z/VM guest in limited fashion) — what I'll refer to as a "Stage 0" configuration (in Enable mode). Thus it's currently possible for a z/OS Sysplex to consist of...
over 1 year ago in z/OS / BCP_Supervisor Not under consideration

Enhance Msg IEA602I ADDRESS SPACE CREATE FAILED

A Start Operator cmd or using the ASCRE Service by other methods trys to start an adress space,that may fail with IEA602I Msg START ABCDEFG,parm=xxx IEA602I ADDRESS SPACE CREATE FAILED. A STORAGE SHORTAGE EXISTS (or other reason) Automation may se...
over 1 year ago in z/OS / BCP_Supervisor Not under consideration

z/OS IPL simulation

It should be very valuable to test an upcoming IPL in case of z/OS upgrade or other system parameter change. The simulation could consist of various checks for example ipl & catalog volume address verification, IPLPARM LOADxy syntax check, var...
over 1 year ago in z/OS / BCP_Supervisor Not under consideration

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