How to fix the Oracle error ORA-15121: ASM file name ‘string’ contains an invalid diskgroup name?

In this post, you’ll learn more about the Oracle ErrorORA-15121: ASM file name ‘string’ contains an invalid diskgroup name with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-15121: ASM file name ‘string’ contains an invalid diskgroup name

Reason for the Error ORA-15121: ASM file name ‘string’ contains an invalid diskgroup name

A file name was specified that did not contain a valid diskgroup name. The diskgroup name follows immediately after the ASM prefix character. It must start with an alphabetic character, and consist of up to 30 characters which are alphabetic, numeric, or the characters ‘$’ and ‘_’.

How to fix the Error ORA-15121: ASM file name ‘string’ contains an invalid diskgroup name ?

You can fix this error in Oracle by following the below steps

Correct the file name specification.