Posts Tagged video
Based on the Grid Infrastructure, RAC One Node is a RAC Database with only one instance running. This architecture reduces unplanned as well as planned downtime. If the server crashes that holds the instance of a RAC One Node database, that instance can failover to another node in the cluster automatically. If we need to take down the server (or the clusterware stack there) because of a maintenance task, we can do an Online Database Relocation:
The demo was done with 11gR2 and it is very similar to what I show live during the Oracle University course Oracle Database 11g: RAC Administration about RAC One Node. Hope you like it 🙂
The little video below shows the 11gR2 New Feature Automatic Block Media Recovery in Action. I have already introduced the feature in this post, but some things are just more impressive when you actually see it happening, don’t you agree?