Using Serviceguard Extension for RAC, 5th Edition, June 2007

Introduction to Serviceguard Extension for RAC
Node Failure
Chapter 1 31
Node Failure
RAC cluster configuration is designed so that in the event of a node
failure, another node with a separate instance of Oracle can continue
processing transactions. Figure 1-3 shows a typical cluster with
instances running on both nodes.
Figure 1-3 Before Node Failure
Figure 1-4 shows the condition where Node 1 has failed and Package 1
has been transferred to Node 2. Oracle instance 1 is no longer operating,
but it does not fail over to Node 2. Package 1’s IP address was transferred
to Node 2 along with the package. Package 1 continues to be available