IBM Z Hardware and Operating Systems Ideas Portal


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Core Infrastructure

Showing 2925

CELAAUTH not supported on existing LE enclave

Java application that performs threading is unable to use z/OS Communications Server AT-TLS to protect TCP connections owned by the IPT. The z/OS Communications Server AT-TLS support switches to a CELAAUTH environment running on the application un...
almost 4 years ago in z/OS / LE 0 Future consideration

Clarify use of UID(0) and BPX.SUPERUSER for osnmpd

The z/OS server osnmpd (SNMP daemon) is documented as needing either UID(0) or to have read access to BPX.SUPERUSER in FACILITY class. Empirical evidence shows that it work satisfactorily with neither. Please clarify the security requirement for o...
over 2 years ago in z/OS / Communications Server 1 Not under consideration

DSS should support all functions for the cloud too

Within HSM I recognized that DSS is not migrating some datasets to the cloud because of its limitations. In my case: ADR600E, RC=7, The data set is a VSAM data set where the high used RBA equals the high allocated HBA. First I thought it's an erro...
over 1 year ago in z/OS / DFSMS DSS 0 Planned for future release

Fixing the CICS-LE Recovery Loops

When there is an overlay of either an LE or CICS control block in a CICS environment, CICS & LE can get into a loop trying to abend/recover from the failure.
over 4 years ago in z/OS / LE 0 Planned for future release

zEDC Authorized Services Managing Module Dynamic Area and History Buffer + Update Documentation

While testing out zEDC authorized services running in synchronous mode on a z15, we noticed pairs of STORAGE OBTAINS/RELEASES surrounding each call to FPZ4ABC, leading to increased CPU time. After opening a PMR, it was revealed that these requests...
over 3 years ago in z/OS / BCP_IOS 1 Future consideration

RMF details about ECSA consuption by %MVS and VTAM address space

%MVS and VTAM represent one of the biggest consumers of ECSA memory, and as we often have shortage alerts, it would be interesting to know which processes are consuming more ECSA. With more details we could prevent system interruptions and transac...
almost 2 years ago in z/OS / RMF 4 Not under consideration

Sizing IXGBRWSE BUFFLEN / System Logger IXGBRWSE Performance Enhancement

RC08 RSN80F (IXGRSNCODEBADBUFSIZE) is returned by System Logger when the data result of an IXGBRWSE invocation is too large to fit into the buffer provided by the caller. Currently, the recommended method to determine the BUFFLEN necessary for an ...
almost 3 years ago in z/OS / BCP_Logger 2 Not under consideration

Try other connection paths when one fails

Currently when a connection path fails, if it is best path it will be attempted to be used the next time a session is attempted to the same end point. That is unless you set UNRCHTIM. UNRCHTIM is the amount of time it is deemed unreachable. There ...
12 months ago in z/OS / Communications Server 1 Not under consideration

z/OSMF: Make IZUG.log messages eligible to be sent to the operlog by parmlib member

z/OSMF messages (of all types; informational, warning, error, severe) are currently all writen to the IZUG0.log in its own unix directory /global/var/zosmf/data/logs/.z/OSMF currently does not issue any messages to the syslog/operlog. (with a few ...
over 5 years ago in z/OS / z/OSMF 0 Future consideration

SMF recording type lacking indicator

Currently when switching recording modes from LOGSTREAM to DATASET no message is produced that is unique to the recording mode/type.There is also no easy way to Display the SMF recording mode. Suggestion: We would like to request such a command li...
almost 5 years ago in z/OS / BCP_SMF 3 Not under consideration

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