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Chapter 40. Oracle Real Application Clus... > Adding Nodes and Instances to the Cl...

40.5. Adding Nodes and Instances to the Cluster

You can add nodes to an existing cluster and you can add instances to an existing RAC environment. The nodes must meet the criteria listed earlier in this chapter—they must be configured with the proper networking protocol configurations and they must support high-speed data transmissions with the other nodes in the cluster. It is generally simplest to make the operating system on the new node a copy of one of the existing nodes in the cluster. As described in Chapter 41, the nodes must be able to execute remote commands via equivalence files.

The specific installation steps for the new node vary by operating system. In general, a UNIX cluster administrator will add the new node to the clusterware configuration (based on directions from its vendor). You can then start the Oracle Universal Installer (OUI) in addNode mode (in UNIX, via <CRS_HOME>/OUI/bin/addNode.sh and in Windows via <CRS_HOME>\oui\bin\addNode.bat). OUI will then present you with a series of prompts to add the new node to the cluster as it verifies the configuration.


  

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