Issues Affecting the IBM AIX on POWER Systems Platform for Oracle Database 18c

7.1 Unsupported Products for the IBM AIX on POWER Systems Platform

There are no unsupported products for the IBM AIX on POWER Systems Platform at this time. Refer to the list of unavailable products or features for all platforms in Oracle Database 18c.

7.2 Linking Applications with Oracle Client Libraries for the IBM AIX on POWER Systems Platform

You must use the dynamic Oracle client libraries to link the client code on Linux. Do not link the static Oracle client libraries.

Parent topic: Issues Affecting the IBM AIX on POWER Systems Platform for Oracle Database 18c

7.3 Preinstallation Requirements for the IBM AIX on POWER Systems Platform

Refer to the installation guides for the preinstallation requirements for Oracle Database 18c.

Parent topic: Issues Affecting the IBM AIX on POWER Systems Platform for Oracle Database 18c

7.4 Installation, Configuration, and Upgrade Issues for the IBM AIX on POWER Systems Platform

There are no installation, configuration, and upgrade issues at the time of this release of Oracle Database 18c.

Parent topic: Issues Affecting the IBM AIX on POWER Systems Platform for Oracle Database 18c

7.4.1 Bug 28745602

Creation of Grid Naming Service (GNS) client data manifest file from a standalone cluster using the command srvctl export gns -clientdata <manifest_xml_file> -role client fails with the following error:

"java.lang.StackOverflowError: operating system stack overflow
error message:
./srvctl export gns -clientdata /scratch/gnswrap.xml -role client  Exception in thread "main" java.lang.StackOverflowError: operating system  stack overflow

Workaround:

Update the srvctl command by adding -Xmso2048k to JAVA_STACK_SIZE so that JAVA_STACK_SIZE="-Xss2048k -Xmso2048k .

Parent topic: Installation, Configuration, and Upgrade Issues for the IBM AIX on POWER Systems Platform

7.4.2 Bug 28390266

Running Cluster Verification Utility (CVU) resource causes memory consumption.

Workaround:

To reduce or prevent memory leak or memory consumption in CVU resource:

Install a patch in AIX systems to address a memory leak observed in the pthread library. IBM provides a list of Authorized Program Analysis Report (APAR) numbers for different versions.

The list of APAR numbers, AIX release or Technology Levels (TLs) are:

AIX Release/ TL Number

APAR Number

AIX 6.1 TL09

IJ11198

AIX 7.1 TL04

IJ11193

AIX 7.1 TL05

IJ11195

AIX 7.2 TL01

IJ11194

AIX 7.2 TL02

IJ11196

AIX 7.2 TL03

IJ11197

Parent topic: Installation, Configuration, and Upgrade Issues for the IBM AIX on POWER Systems Platform

7.4.3 Bug 29053538

Starting with Oracle Database 18c, Oracle database instance at startup loads libora_netlib.so. This library has dependencies on IBM XL Fortran runtime libraries. If they are not installed on the system, startup fails with the following error:

ORA-40238: invalid linear algebra shared library

Workaround:

Install XL Fortran Runtime for AIX Fix Pack 10 (February 2018 PTF) for 15.1.

Download and install XL Fortran Runtime for AIX Fix Pack 10 (February 2018 PTF) for 15.1 from:

https://www-01.ibm.com/support/docview.wss?uid=swg24044611

Parent topic: Installation, Configuration, and Upgrade Issues for the IBM AIX on POWER Systems Platform

7.5 Open Bugs Affecting the IBM AIX on POWER Systems Platform

These topics contain last-minute features and changes for Oracle Database 18c.

Parent topic: Issues Affecting the IBM AIX on POWER Systems Platform for Oracle Database 18c