Oracle Database 11g Oracle Real Application Clusters Handbook, 2nd Edition, 2nd Edition
by K Gopalakrishnan
RAC ON and OFF
In some cases, you may want to disable the Oracle RAC options for testing purposes—perhaps to run a benchmark or to convert the Oracle RAC binaries to single-instance binaries.
In such a case, you can use the following procedure to convert the Oracle RAC installation to non–Oracle RAC. Disabling and enabling Oracle RAC options are available only for UNIX platforms. Windows installations do not support relinking binaries with Oracle RAC ON and OFF.
Use the following steps to disable Oracle RAC (known as RAC OFF):
1. Log in as the Oracle software owner (which is typically the UNIX account oracle) in all nodes.
2. Shut down all the instances from all the nodes using a NORMAL or IMMEDIATE option.
3. Change the working directory to ...
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