IBM Z Hardware and Operating Systems Ideas Portal


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BCP_Supervisor

Showing 21 of 3748

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...
2 months ago in z/OS / BCP_Supervisor 0 Under review

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.
4 months ago in z/OS / BCP_Supervisor 2 Under review

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
4 months ago in z/OS / BCP_Supervisor 2 Under review

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.
4 months ago in z/OS / BCP_Supervisor 0 Under review

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...
6 months ago in z/OS / BCP_Supervisor 0 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...
6 months ago in z/OS / BCP_Supervisor 1 Needs more information

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...
7 months ago in z/OS / BCP_Supervisor 1 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...
8 months ago in z/OS / BCP_Supervisor 1 Not under consideration

Add additional filtering keywords to IEASYMxx

If IEASYMxx supported a SYSDEF SYSRES(volser) parameter it would be possible to set other symbols based on the volser of the sysres. This would eliminate the need for the system programmer to change IEASYMxx each time the IPL volume changed. Reduc...
10 months ago in z/OS / BCP_Supervisor 1 Not under consideration

VLF SMF 41 SUBTYPE 3 - MISSING COFPURGE statistics

Currently VLF statistics tracks ADD, DELETES, TRIM activity. One of the most important activity in terms of VLF CPU usage is the PURGE activity (COFPURGE). SMF 41 should track also COFPURGE. The purge activity consumes when the cache has many entr...
10 months ago in z/OS / BCP_Supervisor 2 Not under consideration

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