ORA-19669: proxy copy functions cannot be

admin

ORA-19669: proxy copyfunctions cannot be run on DISK channel
Cause: A proxy copy procedure was called, but the devicewhich is allocated to
the current session has type DISK.
Action: Allocatea non-DISK channel and retry the operation. Note that proxy
copy requires a 3rd-party media management software product that supports the
this backup/restore feature.