In this post, you’ll learn more about the Oracle ErrorORA-15077: could not locate ASM instance serving a required diskgroup with the details on why you receive this error and the possible solution to fix it.
Oracle Error Description
ORA-15077: could not locate ASM instance serving a required diskgroup
Reason for the Error ORA-15077: could not locate ASM instance serving a required diskgroup
The instance failed to perform the specified operation because it could not locate a required ASM instance.
How to fix the Error ORA-15077: could not locate ASM instance serving a required diskgroup ?
You can fix this error in Oracle by following the below steps
If you want to start a database instance, start an ASM instance and mount the required diskgroup. If you want to start an ASM instance, relink the ORACLE binary with ASM_ON or explicitly set INSTANCE_TYPE initialization parameter to ASM.