Build Your Own Oracle Extended RAC Cluster on Oracle VM and Oracle Enterprise Linux

November 7, 2008

[From OTN]

A typical Oracle Real Application Clusters (RAC) deployment is an architecture that provides fast recovery from a single or multiple-node failures. But in a typical scenario, all nodes of Oracle RAC are located in a single data center and thus prone to catastrophic data center failure. The solution for achieving disaster recovery in this scenario is to set up Oracle DataGuard between the local data center and some backup data center where standby systems are running (typically a single Oracle database or another RAC cluster).

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