How to fix the Oracle error ORA-15278: external redundancy diskgroup requires at least one regular disk?

In this post, you’ll learn more about the Oracle ErrorORA-15278: external redundancy diskgroup requires at least one regular disk with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-15278: external redundancy diskgroup requires at least one regular disk

Reason for the Error ORA-15278: external redundancy diskgroup requires at least one regular disk

An attempt was made to create an external redundancy diskgroup with only quorum disks.

How to fix the Error ORA-15278: external redundancy diskgroup requires at least one regular disk ?

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

Specify atleast one regular disk to create an external redundancy diskgroup.