Complete operating system configuration requirements and checks for IBM AIX on POWER Systems (64–Bit) operating systems before you start installation.

• Guidelines for IBM AIX on POWER Systems (64-Bit) Operating System Installation
  Operating system guidelines to be aware of before proceeding with an Oracle installation.
• Reviewing Operating System and Software Upgrade Best Practices
  These topics provide general planning guidelines and platform-specific information about upgrades and migration.
• Reviewing Operating System Security Common Practices
  Secure operating systems are an important basis for general system security.
• About Installation Fixup Scripts
  Oracle Universal Installer detects when the minimum requirements for an installation are not met, and creates shell scripts, called fixup scripts, to finish incomplete system configuration steps.
• About Operating System Requirements
  Depending on the products that you intend to install, verify that you have the required operating system kernel and packages installed.
• Operating System Requirements for IBM AIX on POWER Systems (64-Bit)
  The versions, filesets, and Authorized Problem Analysis Reports (APARs) listed in this section are supported for this release on IBM AIX on POWER Systems (64-Bit).
• Additional Drivers and Software Packages for IBM AIX on POWER Systems (64-Bit)
  Information about optional drivers and software packages.
• Checking the Software Requirements
  Check your software to see if they meet the minimum version, filesets, and Authorized Problem Analysis Reports (APARs) requirements for installation:
• Enabling I/O Completion Ports
  To ensure successful database, client, and grid infrastructure installation, set IOCP to Available using this procedure.
• Checking Resource Limits for AIX
  Set control and limit resources for users on the system to prevent denial of service attacks.
• Tuning AIX System Environment
  Perform the following system tuning and configuration all cluster nodes.
• Using Automatic SSH Configuration During Installation
  To install Oracle software, configure secure shell (SSH) connectivity between all cluster member nodes.
• Setting Network Time Protocol for Cluster Time Synchronization
  Use either the Oracle Cluster Time Synchronization or network time protocol (NTP) option for time synchronization.
• Running the rootpre.sh Script
  Run the rootpre.sh script only the first time you install Oracle Database on IBM AIX on POWER Systems (64-Bit).