IBM Z Hardware and Operating Systems Ideas Portal


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Core Infrastructure

Showing 2923

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

Enhancement to RACF to notify when there is a prolonged contention on critical RACF resources

We have experienced a prolonged Security Manager resources contention situation where the critical security manager resource is lockup by a low priority task while there is a higher priority task entered a spin loop and consumed all the CPUs in th...
over 1 year ago in z/OS / RACF 1 Not under consideration

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

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

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

To allow configured the parameter "revoked after unsuccessful password attempts" in the RACF user profile. Actually it is only possible as a generic rule for all the users through the SETROPTS PASSWORD(REVOKE(d)) command

To avoid a DoS (Deny of Service) due a service user revoked because a wrong use of the password causing impact in the applications & services using it.
over 1 year ago in z/OS / RACF 1 Not under consideration

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

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

Reconnecting OTIS after the corresponding Db2 was started in Maintenance Mode and later in Operating Mode ( OAM recognize this this )

When a Db2 instance is stopped and started normally the corresponding OAM and OTIS reconnect to it as expected. If this Db2 is stopped and started in Maintenance Mode OAM acknowledges this and reconnect to this Db2 when it is started afterwards in...
6 months ago in z/OS / DFSMS OAM 1 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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