Question

Duplicating a database using RMAN... probably missing something simple

Asked by: joebednarz

I'm trying to duplicate a database using RMAN.  I'm using Oracle 10.2.0.4 on RAC with ASM.  I can use DUPLICATE TARGET when replicating my PROD database to the same RAC to create my REPORT database -- works every time!

However, same script/process used to try and copy PROD to COPY database on a different host/RAC with same OS and same Oracle version, does not work... I always get error:

starting media recovery

Oracle Error:
ORA-01547: warning: RECOVER succeeded but OPEN RESETLOGS would get error below
ORA-01152: file 1 was not restored from a sufficiently old backup
ORA-01110: data file 1: '+DATA/hrcopy/datafile/system.1258.672587551'

So, my question is this... what am I doing wrong?  I thought I could take the incremental level 0 backup from PROD, copy it the other RAC and run DUPLICATE... certainly not the case.  I've even used "BACKUP DATABASE INCLUDING ARCHIVELOG" without success.  What kind of backup of PROD should I take to make sure my DUPLICATE command works on the COPY database?

Or, does anyone have a process/script to copy a database stored on ASM to another host with a new database SID using RMAN backups?

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Asked On
2008-12-09 at 09:30:36ID23969844
Tags

Oracle

,

RMAN

Topics

Oracle 10.x

,

Oracle Database

Participating Experts
2
Points
500
Comments
5

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Answers

 

by: johnsmith1962Posted on 2008-12-09 at 14:35:27ID: 23134566

Did you try running a recover database command?  if so, what was the output.

 

by: peter991Posted on 2008-12-09 at 14:45:02ID: 23134646

Did you lookup the ORA-01152 error and tried to follow what suggested?

 

by: joebednarzPosted on 2008-12-10 at 06:28:54ID: 23139108

Yes, recover database shows:

RMAN-06054: media recovery requesting unknown log: thread 1 seq 1540 lowscn 15459664902

ORA-1152 is an error that you typically get because the database is in an inconsistent state and needs more log files to bring it to consistency.

All files, rman backups, current log files, and controlfiles are all backed up, copied over to new host before running DUPLICATE DATABASE command...

 

by: johnsmith1962Posted on 2008-12-10 at 07:51:53ID: 23139912

Is it possible you are copying in the wrong data file?  That happened to me once.

 

by: peter991Posted on 2008-12-10 at 23:31:09ID: 23146388

When you are running..
 
restore database;
set until logseq=xxx

What is your value and what is your highest scn?

Regards

20120131-EE-VQP-002

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