Oracle Error Message
RMAN-06482: WARNING: proxy copy ‘string’ cannot be found on the storage medium
Reason for the Error
The CHANGE PROXY AVAILABLE command was used, but the proxy copy cannot be found on disk.
Solution
If the storage containing the proxy copy has been removed from the host, restore it and retry the command. If the proxy copy is permanently gone, then issue the CHANGE PROXY DELETE command for this proxy copy.