How to fix the Oracle error KFNDG-00401: allocation unit size conflict (number, number)?

In this post, you’ll learn more about the Oracle ErrorKFNDG-00401: allocation unit size conflict (number, number) with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

KFNDG-00401: allocation unit size conflict (number, number)

Reason for the Error KFNDG-00401: allocation unit size conflict (number, number)

Allocation unit size of disk group and the disk did not match.

How to fix the Error KFNDG-00401: allocation unit size conflict (number, number) ?

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

Verify that the device is not corrupt and retry renamedg.