How to fix the Oracle error RMAN-06478: WARNING: datafile copy ‘string’ cannot be found on disk?

In this post, you’ll learn more about the Oracle ErrorRMAN-06478: WARNING: datafile copy ‘string’ cannot be found on disk with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

RMAN-06478: WARNING: datafile copy ‘string’ cannot be found on disk

Reason for the Error RMAN-06478: WARNING: datafile copy ‘string’ cannot be found on disk

The CHANGE DATAFILECOPY AVAILABLE command was used, but the datafile copy cannot be found on disk.

How to fix the Error RMAN-06478: WARNING: datafile copy ‘string’ cannot be found on disk ?

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

If the storage containing the datafile copy has been removed from the host, restore it and retry the command. If the datafile copy is permanently gone, then issue the CHANGE DATAFILECOPY DELETE command for this datafile.