Deploying highly available Oracle databases with Sun Cluster 3.2

One of my favorite data services was the Oracle HA data service, which allows Sun cluster to monitor and failover databases in response to system and application failures.

Configuring the Oracle HA data service is amazingly easy, and it took me all of about 5 minutes (plus two hours reading through the Oracle data service documentation, installing Oracle and creating a database). Here are the steps I used to configure Sun Cluster 3.2 to failover an Oracle 10G database between two nodes:

Step 1. Run sccheck

Step 2. Create a resource group for the Oracle resources

Step 3. Register resource types with the cluster framework

Step 4. Configure HAStoragePlus resource

Step 5. Configure a logical hostname resource

Step 6. Configure Oracle monitoring user

Step 7. Create Oracle server and listener resources

Step 8: Verify the cluster configuration

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