RMAN> switch datafile 4 to copy;
datafile 4 switched to datafile copy "+FRA/oral/datafile/users.1353.890664349"
RMAN> recover datafile '+FRA/oral/datafile/users.1353.890664349';
Starting recover at 17-SEP-20
using channel ORA_DISK_1
starting media recovery
media recovery complete, elapsed time: 00:00:00
Finished recover at 17-SEP-20