Also, refer if required:
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duplicate database using rman
Can anyone provide the detail steps to perform duplicate database using rman in oracle 10g?
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Answers
This sample assumes PROD is your current SID and AUX is the new one. It also assumes CAT is your RMAN catalog instance. A catalog is not required.
1) Take full backup on PROD, including archive log
RMAN> backup database plus archivelog;
2) On destination, pre-create the directories exactly the same as the original.
3) Create the initial init.ora with all correct params from the prod system. This is required, because you must start the new clone instance to nomount mode prior to running RMAN on the clone.
4) Configure TNSNAMES.ORA on clone box so you can get sqlnet connection from there to the prod box. Add the catalog alias as well if using a catalog. Test this with sqlplus.
5) On new host set ORACLE_SID environment var
6) On new host use sqlplus to startup an instance in nomount
7) On new host run rman as follows, connecting to the prod instance, but duplicating to the aux instance.
export ORACLE_SID=AUX
rman target sys/admin@PROD catalog rman/pass@CAT auxiliary /
RMAN> list backup; # verify the backups are seen
RMAN> duplicate target database to AUX nofilenamecheck;
If this succeeds, the database will be open and ready.
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by: k_murli_krishnaPosted on 2009-10-18 at 09:22:05ID: 25600342
This will provide you the detailed steps:
http://blogs.oracle.com/Al