Different databases with the same name in 1 cluster?

Hello classmates of dba,.

I wish to discuss with you the following situation:

We have a 4 RAC Cluster node.

Databases node 1 and 2 contain the 11.2.0.3 (Enterprise Edition)

Databases node 3 and 4 contain 11.2.0.4 (Standard edition)

12.1 GI on all nodes and all are part of the 1 cluster.

OS: Oracle Linux 6.5 (with + ASM)

Our company wants to migrate databases EE 1 and 2 to 3 and 4 nodes node:

-Downgrade of EA to itself

-Upgrade 11.2.0.3 to 11.2.0.4

Normally I do this by creating databases with DBCA under a new name and migrate data using Data Pump.

The problem is that the company wants to have the same name of database on all nodes.

Is it possible to have the same name of database on all 4 nodes simultaneously (from 2 houses of Oracle RDBMS different with different versions while all 4 nodes share 1GI?

It is a method of support?

Let's see if I can describe it more in detail.

You have a database named ORCL in your RAC environment. Create a new blank database named SLAVE_PORT_NUM. Perform a dump of export of ORCL and import in SLAVE_PORT_NUM. At this point, you have the data in the new database. The original database to stop now:

srvctl stop database orcl immediate o d

ORCL is no longer running on all nodes. We just need to allow users to connect to this database with a service name. But before I can do, I need to remove the Cluster registry ORCL:

srvctl remove the d orcl database

Now create a service named ORCL that connects to SLAVE_PORT_NUM

srvctl add service d slave_port_num s orcl r - newdb1, newdb2, newdb3, newdb4

Your application always tries to connect to "orcl" on this same group. They don't know the PB has changed its name.

When you change only the name of the service for the new database. I guess that the path of the ASM will have different name right?

It cares ASM. ASM paths come into play when you create the new db.

HTH,

Brian

Tags: Database

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