How to fix the Oracle error ORA-17509: Attempt to do i/o beyond block1 offset?

In this post, you’ll learn more about the Oracle ErrorORA-17509: Attempt to do i/o beyond block1 offset with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-17509: Attempt to do i/o beyond block1 offset

Reason for the Error ORA-17509: Attempt to do i/o beyond block1 offset

When a file is identified with logical block size of 0, only i/o’s to block1 is allowed.

How to fix the Error ORA-17509: Attempt to do i/o beyond block1 offset ?

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

check additional error messages and call Oracle Support Services