How to fix the Oracle error INS-30503: Unknown ASM disk group.?

In this post, you’ll learn more about the Oracle ErrorINS-30503: Unknown ASM disk group. with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

INS-30503: Unknown ASM disk group.

Reason for the Error INS-30503: Unknown ASM disk group.

Cause: There was no disk groups named string managed by ASM instance string

How to fix the Error INS-30503: Unknown ASM disk group. ?

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

Action: Enter a valid existing ASM disk group or use Automatic Storage Management Configuration Assistant to add the desired ASM disk group.