id oracle Look at the output. You will likely see groups like oinstall and dba , but the group asmadmin might be missing. As the root user, you need to append the missing group to the user's profile. Use the usermod command. 21sexturycom Clubsandycom Kelly Divine Sandy Divine Verified Apr 2026
usermod -a -G <group_name> <user_name> To add the user oracle to the group asmadmin : Themovieflix.in Bollywood Today
In the world of Oracle Real Application Clusters (RAC), the Cluster Verification Utility (CVU) is an indispensable tool for checking system readiness and troubleshooting configuration issues. However, even the tools designed to diagnose problems can encounter errors themselves.
This error signifies a mismatch in user privileges. Specifically, it means that the OS user specified in the error message (typically oracle ) is not assigned to the OS group specified (typically asmadmin ) on the specific node mentioned.
One such common error encountered by Database Administrators (DBAs) is . What is PRVG-11134? The full error message usually appears as: PRVG-11134 : The Oracle user "oracle" is not a member of group "asmadmin" on node "node_name" This error typically occurs when running the cluvfy (Cluster Verification Utility) command, specifically during pre-installation checks, post-installation checks, or during an upgrade. The Technical Cause At its core, PRVG-11134 is a permissions and group membership error . Oracle RAC relies heavily on specific operating system groups to manage permissions between the Grid Infrastructure (ASM) and the Database software.
id -a Or specifically for the oracle user:
sudo usermod -a -G asmadmin oracle Note: The -a flag is crucial. It stands for "append." If you omit this flag, you will remove the user from all other groups currently assigned to them, causing massive system issues. After running the command, verify that the change has taken effect. You may need to log out and log back in for the changes to reflect in your current session.