Oracle Real Application Cluster (RAC) is a well-known product among Oracle’s solutions to maintain high availability of your business data. Oracle RAC allows the work load to be shared among all the cluster nodes, with N-1 tolerance configuration in case of node failures, where N is the total number of nodes. Oracle RAC is constantly improving on every version and this time was not different. The new version incorporates two properties called “Flex ASM” and “Flex Cluster” that gives support to the demand requirements on Cloud Computing oriented environments.

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