IBM Z Hardware and Operating Systems Ideas Portal


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Core Infrastructure

Showing 2923

Consistent Read from Secondary - decision making in response to poor performance/hardware health changes

Our current understanding is that to exploit the DS8K's consistent read from secondary function, IOS currently sends some queries out at Hyperswap enable time in order to determine at the LCU boundary whether reads should be directed to the PPRC p...
about 1 year ago in z/OS / BCP_IOS 1 Future consideration

BPXF029E return codes for failed ROOT mount when ZFS is not initialized

Recently, we were supposed to remove/comment the FILESYSTYPE TYPE(HFS) statement in our BPXPRMxx, but instead we made the following mistake: FILESYSTYPE TYPE(ZFS) /* Filesystem type ZFS */ ENTRYPOINT(GFUAINIT) /* Entrypoint for defining ZFS */ /* ...
over 1 year ago in z/OS / USS 1 Future consideration

Is IBM health check VSAMRLS_TVS_ENABLED still required under zOS v3.1 ?

Now that DFSMStvs is included in the base install of zOS v3.1, health check VSAMRLS_TVS_ENABLED excepts as it now finds the product installed but not enabled. I suspect the majority of zOS customers do not enable this now free product? so would ha...
3 months ago in z/OS / BCP_Healthchecker 2 Under review

LE AMODE 31/64 interoperability environment: use of ILC in parallel threads in Java

We want to be able to use the Java batch framework for parallel processing on z/OS in the same way as on other operating systems.We need to execute the batch on z/OS when we have to call COBOL modules for business functionality. The opportunity to...
3 months ago in z/OS / LE 1 Not under consideration

Separate message when configuring CHPID OFFLINE or ONLINE and CHPID is already offline or online

RBC is asking for a separate message when they CONIFG a CHIPD ONLINE or OFFLINE and the CHPID is already in that desired state. Currently, all it says is CONFIG processing is complete. For example:CHPID is ONLINE... CF CHP(85),OFFLINEIEE503I CHP(8...
about 3 years ago in z/OS / BCP_IOS 0 Future consideration

CSSMTP needs to redrive DNS lookup other than at startup

Current CSSMTP functionality only resolves DNS names to IP addresses on product startup. PMRs and questions have led to responses that indicate the implementation ignores the DNS time to live (TTL) parameters and, quoting from the PMR, "... elimin...
almost 7 years ago in z/OS / Communications Server 0 Future consideration

Clean up the DSFS dsadm query reporting

In the DSFS product the dsadm query has a number of reports. The issue is that the heading format is inconsistent. examples: compression has no header metacache has a header but no dashed line below it some have no space before the header so if mu...
about 1 year ago in z/OS / Data Set File System (DSFS) 1 Future consideration

Improve DSFS error messages

Receiving a message like this: IDFS00329E Could not set creation parameters, return code 126 reason code ED07621A. Is confusing and meaningless to the average OMVS shell user. They are not used to finding a messages and codes manual ( which is so ...
about 1 year ago in z/OS / z/OS File System (zFS) 1 Not under consideration

Maximum same GDG parallel recall

In an GDG Extended environment, concurrent recall of too many (up to 999) GDSs may cause issues, the main ones being:1) Flood HSM recall queue with too many recalls, which can be:Too fast: With BATCH_RCLMIGDS(PARALLEL) in ALLOCxx all 999 recalls w...
about 3 years ago in z/OS / DFSMS HSM 0 Future consideration

Use SAVE on LPAR View Attached Devices panel

After selecting an LPAR using the View Attached Devices (u) option it would great if the SAVE command could be used on the subsequent "View Partition / Devices" panel to allow the list to be saved to output dataset. The SAVE command is not availab...
9 months ago in z/OS / HCD 1 Future consideration

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