In this article, we are going to have a look at ” ORA-27300″. In this article, we are going to learn how to solve this error. Let’s have fun with ORA-27300

During the creation of a new database for RAC environment using DBCA, It shows the error about invalid grid and diskgroup not mounted.

Cause

I check the permission for Grid Home/bin/oracle binary file

Solution

Stop the ASM instance and then execute following command

By Changing the permission on second node grid home oracle binary file .

Start the ASM instance and then tried to create the database using DBCA. It was successful.

Please take note your environment may be different from mine, just pay attention to the error log to determine what is the correct group for your oracle grid binary file.

Stay tuned for More articles on Oracle RAC

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