What / which method to use for the duplicate database

Greetings, the Experts of Oracle

I'm trying to replicate a database (src) of production to another machine (dest) for developers to do some tests before applying the changes to the production environment. The src and dest running Oracle 10 g 2 RHEL 4, 5.

Due to the firewall in our environment policy, may that src and dest will not be able to see each other on the network. Also the directory structure will be different on src and dest.

Now, there seems to be several methods available to achieve this:
1. duplicate with RMAN, something like:

rman TARGET sys/password@src NOCATALOG AUXILIARY sys/password@dest
DUPLICATE TARGET DATABASE TO dest NOFILENAMECHECK;

2. backup/restore with RMAN.
3 use the Import and Export (including impdp/expdp) utilities.

From my research so far, option 1 seems to be the method for this purpose. He also manages the directory structure difference quite well. However, it requires connection to src and dest simultaneously during replication. Is there a way it could be done from a backup image instead of a connection to the database of the CBC? Other 2 options are possible? Are there any other ways I could duplicate the database given the situation?

Appreciate your help.

If the CBC and destination cannot access another, then the simplest option will be #2 (restore a database to a new host: scenario) who also address the different directory structure.

Tags: Database

Create additional Copies, rename and move the control files

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