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Oracle Database 12c Release 2 Oracle Real Application Clusters Handbook: Concepts, Administration, Tuning & Troubleshooting by K Gopalakrishnan

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APPENDIX

B

Adding and Removing Cluster Nodes

Oracle RAC is a highly scalable solution that allows users to add/remove nodes on demand in the existing cluster without affecting the availability of the active database services. Nodes should be homogenous and should have the same computing capacity. Though adding a node with a higher or lower capacity than the other members of the cluster is technically possible, it’s usually not recommended because it creates a logical imbalance between the nodes.

Adding a Node

Adding a node to an existing cluster is similar to installing the Oracle RAC environment. You must complete all prerequisites explained ...

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