How to Create the Database Administrator Group and the Oracle User Account

Perform the following steps as superuser on each cluster node.

1. On each node, create an entry for the database administrator group in the /etc/group file, and add potential users to the group.

   This group normally is named dba. Verify that root and oracle are members of the dba group, and add entries as necessary for other database administrator (DBA) users. Verify that the group IDs are the same on all of the nodes that run Sun Cluster Support for Oracle Real Application Clusters. For example, add the following entry to the /etc/group file.

   dba:*:520:root,oracle

   You can create the name service entries in a network name service, such as the Network Information Service (NIS) or NIS+, so that the information is available to the data service clients. You can also create entries in the local /etc files to eliminate dependency on the network name service.

2. On each node, create an entry for the Oracle user ID (the group and password) in the /etc/passwd file, and run the pwconv(1M) command to create an entry in the /etc/shadow file.

   This Oracle user ID is normally oracle. For example, add the following entry to the /etc/passwd file.

   # useradd -u 120 -g dba -d /oracle-home oracle

   Ensure that the user IDs are the same on all of the nodes that run Sun Cluster Support for Oracle Real Application Clusters.

Where to Go From Here

After you set up the cluster environment for Oracle Real Application Clusters, go to How to Install the Oracle UDLM to install the Oracle UDLM software on each cluster node.