How to fix the error ORA-00340: IO error processing online log string of thread string?

In this post, you’ll learn more about the Oracle ErrorORA-00340: IO error processing online log string of thread string with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-00340: IO error processing online log string of thread string

Reason for the Error ORA-00340: IO error processing online log string of thread string

An IO error occurred on the named online log.

How to fix the Error ORA-00340: IO error processing online log string of thread string ?

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

Restore accessibility to file, or restore file from backup.