How to fix the Oracle error ORA-15202: cannot create additional ASM internal change segment?

In this post, you’ll learn more about the Oracle ErrorORA-15202: cannot create additional ASM internal change segment with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-15202: cannot create additional ASM internal change segment

Reason for the Error ORA-15202: cannot create additional ASM internal change segment

The mount of a diskgroup by an additional instance in a RAC cluster required more space for internal use by ASM than was available in the diskgroup.

How to fix the Error ORA-15202: cannot create additional ASM internal change segment ?

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

Delete unused files from the diskgroup or add additional disks to the diskgroup and retry the operation.