RMAN Restoration Failed due to Error: RMAN-03002, RMAN-06026 and RMAN-06023

While restoring a database using RMAN CLONING, I got the following errors.

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RMAN> restore database;

Starting restore at 02-AUG-12
using channel ORA_DISK_1

RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-03002: failure of restore command at 08/02/2012 11:16:52
RMAN-06026: some targets not found - aborting restore
RMAN-06023: no backup or copy of datafile 4 found to restore
RMAN-06023: no backup or copy of datafile 3 found to restore
RMAN-06023: no backup or copy of datafile 1 found to restore

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After a thorough search, I found the command to check INCURNATION. After changing the incurnation the restore command worked.

RMAN> list incarnation of database;

List of Database Incarnations

DB Key Inc Key DB Name DB ID STATUS Reset SCN Reset Time

------- ------- -------- ---------------- --- ---------- ----------

1 1 ULTIMUS 29248347 PARENT 1 17-MAR-06

2 2 ULTIMUS 29248347 PARENT 526290 28-JUL-11

3 3 ULTIMUS 29248347 PARENT 4412812324 12-AUG-11

4 4 ULTIMUS 29248347 PARENT 4413871835 13-AUG-11

5 5 ULTIMUS 29248347 PARENT 5973604228 16-JAN-12

6 6 ULTIMUS 29248347 PARENT 6347087922 17-FEB-12

7 7 ULTIMUS 29248347 PARENT 7790199804 21-JUN-12

8 8 ULTIMUS 29248347 PARENT 7960820014 05-JUL-12

9 9 ULTIMUS 29248347 CURRENT 8047353605 12-JUL-12

As the current incarnation key is nine and its not working, so i tried the previous one, i.e. Inc Key-8.

RMAN> reset database to incarnation 8;

After issuing this command restoration was successful.

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