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

Oracle Error Message

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

Reason for the Error

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

Solution

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.