// // INS-30502 No ASM Disk Group Found.

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INS-30502 No ASM Disk Group Found.

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After successfully installing Grid Infrastructure with the “grid” user, I attempted to install Oracle Database 19c Release 3 using the “oracle” user. However, during the installation process, I encountered an issue where none of my ASM (Automatic Storage Management) disks were visible in the disk group selection menu.

Log in as root user

cd /dev/oracleasm/
ls -ltrt                

chown -R grid:oinstall oracleasm

cd /dev/oracleasm/disks

Login as grid user

cd $ORACLE_HOME/bin
ls -ltrh               

chmod 6571 oracle
ls -ltrh oracle

Login as oracle user

cd $ORACLE_HOME/bin
ls -ltrh oracle         

To ensure consistency in directory permissions between the “grid” and “oracle” users, execute the following command:

chmod 6571 oracle

No rerun the runInstaller.sh file , it will show the disk group.

Hope it helped !! 🙂