1. 15 Copyright © Oracle Corporation, 2002. All rights reserved. RMAN Incomplete Recovery

2. 15-2 Copyright © Oracle Corporation, 2002. All rights reserved. Objectives After completing this lesson, you should be able to do the following: Perform an incomplete database recovery by using UNTIL TIME Perform an incomplete database recovery by using UNTIL SEQUENCE

3. 15-3 Copyright © Oracle Corporation, 2002. All rights reserved. Incomplete Recovery of a Database Using RMAN 1.Mount the database. 2.Allocate multiple channels for parallelization. 3.Restore all datafiles. 4.Recover the database by using UNTIL TIME, UNTIL SEQUENCE, or UNTIL SCN. 5.Open the database by using RESETLOGS. 6.Perform a whole database backup.

4. 15-4 Copyright © Oracle Corporation, 2002. All rights reserved. Specifying the Restore Time

5. 15-5 Copyright © Oracle Corporation, 2002. All rights reserved. RMAN Incomplete Recovery UNTIL TIME : Example RMAN> RUN { 2> ALLOCATE CHANNEL c1 TYPE DISK; 3> ALLOCATE CHANNEL c2 TYPE DISK; 4> SET UNTIL TIME = ‘2001-12-09:11:44:00'; 5> RESTORE DATABASE; 6> RECOVER DATABASE; 7> ALTER DATABASE OPEN RESETLOGS; }

6. 15-6 Copyright © Oracle Corporation, 2002. All rights reserved.

7. 15-7 Copyright © Oracle Corporation, 2002. All rights reserved. Specifying the Sequence

8. 15-8 Copyright © Oracle Corporation, 2002. All rights reserved. RMAN Incomplete Recovery UNTIL SEQUENCE : Example RMAN> RUN { 2> SET UNTIL SEQUENCE 120 THREAD 1; 3> ALTER DATABASE MOUNT; 4> RESTORE DATABASE; 5> RECOVER DATABASE; # recovers through log 119 6> ALTER DATABASE OPEN RESESTLOGS; 7> }

9. 15-9 Copyright © Oracle Corporation, 2002. All rights reserved. Summary In this lesson, you should have learned how to: Perform an incomplete database recovery by using UNTIL TIME Perform an incomplete database recovery by using UNTIL SEQUENCE

10. 15-10 Copyright © Oracle Corporation, 2002. All rights reserved. Practice 15 Overview This practice covers recovery with lost archived redo log files.

11. 15-11 Copyright © Oracle Corporation, 2002. All rights reserved.

12. 15-12 Copyright © Oracle Corporation, 2002. All rights reserved.