ORA-19693

RMAN restore database fails with ORA-19693: backup piece XXX already included.

Yesterday I was recreating DR database with production database backup, when restore database command failed with error:¬†ORA-19693 RMAN> restore database; Starting restore at 05-AUG-15 using channel ORA_DISK_1 channel ORA_DISK_1: starting datafile backup set restore channel ORA_DISK_1: specifying datafile(s) to restore from backup set channel ORA_DISK_1: restoring datafile 00001 to G:\OPDB\REPOSITORY\DATABASE112_SE_X64\ORADATA\OPDB\SYSTEM01.DBF […]