How to fix the Oracle error ORA-15031: disk specification ‘string’ matches no disks?

In this post, you’ll learn more about the Oracle ErrorORA-15031: disk specification ‘string’ matches no disks with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-15031: disk specification ‘string’ matches no disks

Reason for the Error ORA-15031: disk specification ‘string’ matches no disks

The device specification string to a CREATE DISKGROUP command did not match any devices which could be discovered.

How to fix the Error ORA-15031: disk specification ‘string’ matches no disks ?

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

Check the device specification string matches a disk on the system.