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|Oracle Solaris Cluster Data Service for Oracle Real Application Clusters Guide Oracle Solaris Cluster|
For detailed instructions for installing the UNIX Distributed Lock Manager (UDLM), see the Oracle RAC documentation.
Caution - Before you install the UDLM, ensure that you have created the DBA group and DBA user accounts. For more information, see How to Create the DBA Group and the DBA User Accounts.
If your Oracle RAC release requires UDLM, you must install the UDLM software on the local disk of each node. To support Oracle RAC on a zone cluster node, install UDLM software on each zone cluster node.
Note - On Oracle RAC 11g release 2 only, to use native SKGXN instead of UDLM, do not install the UDLM software. Native SKGXN is automatically used if UDLM software is not installed in the cluster.
See the appropriate Oracle RAC installation documentation for instructions.
Note - Ensure that you did not receive any error messages when you installed the UDLM packages. If an error occurred during package installation, correct the problem before you install the UDLM software.