There are
now only two nodes in your CRS clusterware environment.
Install Operating System Software
The next step is to reinstall the server software and prepare the environment as you did in the
examples earlier in this chapter, in the section ???Operating System Configuration.??? At the end of
this process, you will have the Oracle directories created along with the oracle user account, but
without the CRS and database software installed. You will also assign the public, private, and
virtual IP addresses using the same addresses you used when this node was first created. As a
result, you will not have to change the /etc/hosts file on the remaining nodes in the cluster.
Add the Node to the Cluster with CRS
The node is ready to add to the cluster at the clusterware layer so that the other nodes in the
cluster consider it to be a part of the cluster again. From one of the remaining nodes in the cluster,
change to $CRS_HOME/oui/bin and run the addNode.sh command, which launches OUI and
prompts you for the new node as if you were specifying a third node during the initial installation.
Chapter 10: Real Application Clusters 387
After presenting a summary of the existing nodes and the node to be added, you click Next
and the CRS files are copied to the new node. To start the services on the new node, you are
prompted to run rootaddnode.sh on the active node and root.sh on the new node; the output
is very similar to what you saw when you ran /u01/app/oraInventory/orainstRoot.
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