Resolving [INS-08101] Unexpected Error While Executing Action at State: 'supportedOSCheck'

Introduction
Understanding the Cause
Possible Solutions
Conclusion

Introduction

Encountering the [INS-08101] Unexpected error while executing the action at state: supportedOSCheck error during Oracle Database installation can be frustrating. This error, which arises during the 'supportedOSCheck' phase, prevents the installation from proceeding. Fortunately, this issue can be resolved with a few troubleshooting steps. In this blog post, we'll explore the cause of the error and provide detailed steps to fix it, ensuring a smooth installation process.

Understanding the Cause

The [INS-08101] error occurs because the Oracle installer performs a compatibility check to ensure the operating system is supported. If this check fails, it means that the installer does not recognize the operating system version as supported, even if it might actually be compatible. INS-08101-supportedOSCheck

Possible Solutions

There are a few methods to bypass or resolve this error:

1. Update a valid distribution ID

It is important to note that any valid distribution ID can be used.
For example, for RHEL 9.2 , you can use OEL9.2 as the distribution ID.

To temporarily disable the check at the session level, set the CV_ASSUME_DISTID environmental variable using the following command: 
[oracle@dbdocs dbhome_1]$ export CV_ASSUME_DISTID=OEL9.2
This command sets the CV_ASSUME_DISTID to 'OEL9.2' for the current session.

Alternatively, you can set the CV_ASSUME_DISTID environmental variable by editing the CVU configuration file: 

[oracle@dbdocs dbhome_1]$ vi $ORACLE_HOME/cv/admin/cvu_config

#Uncomment the line:
CV_ASSUME_DISTID=OEL9.2

2. Use the IgnoreSysPrereqs Parameter

Run the Oracle Universal Installer (OUI) with the `-ignoreSysPrereqs` parameter to bypass system checks: 

./runInstaller -ignoreSysPrereqs

Conclusion

The [INS-08101] error can halt your Oracle Database installation, but it is relatively straightforward to resolve. By editing the cvu_config file, using the -ignoreSysPrereqs parameter, or updating the Oracle inventory, you can bypass the unsupported OS check and complete your installation. With these solutions, you can ensure your Oracle Database setup proceeds smoothly, regardless of OS version discrepancies. Following these steps will help you navigate and resolve the [INS-08101] error effectively, allowing for a successful Oracle Database installation.

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Last updated in July, 2024

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