IBM Z Hardware and Operating Systems Ideas Portal


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Core Infrastructure

To capture the SC's LOCK SET NAME from the DCOLLECT

Today, DCOLLECT does not provide the lock structure information, which limits our ability to validate the definitions between the Current SCDS and the New SCDS. The below records are being generated from the DCOLLECT and used for the comparison be...
about 1 month ago in z/OS / DFSMS ISMF/Naviquest Under review

Append dataset API

Add an API to append to a dataset. This is already a feature in batch programs. At present, to append the entire dataset has to be downloaded, appended on the device, then overwritten. This is substantial traffic for something like logging.
about 1 month ago in z/OS / z/OSMF Under review

Add REFVVDS(volser) parm to DEF CLUSTER with RECATALOG

We have ZFS datasets in the SYSRES (&SYSR2, in our case).We're upgrading z/OS and we need to catalog new ZFSs indirectly using &SYSR2 - we're not using SSA.When we try to use a DEF CLUSTER with RECATALOG the job fails as the VVDS in the cu...
about 2 months ago in z/OS / DFSMS VSAM Under review

Enhance D SSI to include the initrnh

Someone asked on a forum how they could tell which subsystems were db2 and which were mq etc. The easiest way would be to provide the information used to configure the SSI.So a command D SSI,I,SUBSYS=SS1 would give INITRTN(CSQ3INI) INITPARM('CSQ3E...
6 days ago in z/OS / BCP_Scheduler Under review

RRSF - segment-level control for command propagation

Background / Current behavior We use RRSF automatic command direction to synchronize RACF profiles across multiple systems. This works well operationally. However, IBM Documentation describes AUTODIRECT control in the RRSFDATA class strictly at th...
20 days ago in z/OS / RACF Under review

Clear SSL session ID for specific port and/or IP address

Hi IBM development team, We have been requested to clear the SSL Session ID in the session cache (GSKSRVR). The server certificates are updated every year and our operations team would like to confirm if new certificates are used immediately after...
3 months ago in z/OS / SSL Under review

Store number of volumes in status MASTER and USER in the DFSMSrmm control record

Today only the number of rack numbers, number of empty rack numbers, number of bin numbers and number of empty bin numbers are stored in the DFSMSrmm control record. From my point of view, the total number of volumes, the number of volumes in MAST...
18 days ago in z/OS / DFSMS RMM Under review

zOS CFRM - Structure size change requires access to CSFSERV resources

When Coupling Facility (CF) structures are encrypted, any user executing the IXCMIAPU utility to write or update a CFRM policy currently requires access to CSFSERV resources such as CSFKGN (Key Generate) and CSFKYT (Key Test)—even in scenarios whe...
about 2 months ago in z/OS / BCP_XCF/XES Under review

PFS UDS MAXSOCKETS for AF_UNIX

Currently, our application development department is using the C syslog() API to send logs to SYSLOGD. SYSLOGD forwards these messages to another syslog server which puts the data into Splunk. During our load and performance test, we hit the barri...
3 months ago in z/OS / Communications Server Under review

IBM zEDC to increase max length of output buffer to more than 1 MB

In IBM cloud tape connector(CTC) product , we use the zEDC callable service FPZ4ABC to compress data. This service supports a maximum input and output buffer size of 1 MB. For performance reasons, CTC always invokes this service with the maximum i...
2 months ago in z/OS / BCP_IOS Under review

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