RMAN restore validate database reported to ORA-19693
Environment
Windows server2012
Oracle 11204
Phenomenon RMAN > restore validate database
Error ORA-19693
Reason
Repeated use of catalog start with causes multiple backuppiece to be re-registered.
Solve RMAN > change backuppiece 6658 uncatalog; # backuppiece before uncatalog,backupset cannot.
Ps:Linux has never encountered this mistake, it is really magical windows server.