CHAPTER 11. Configuring DCE for Oracle DCE Integration

Configuring DCE to Use the Oracle DCE Integration Adapter
Configuring DCE CDS for Use by Oracle DCE Integration

This chapter describes what you need to do to configure DCE to use Oracle DCE Integration, after DCE Integration has been successfully installed.

For detailed information on DCE, see the list of books and papers listed in the "Related Publications" section of this guide.

Configuring DCE to Use the Oracle DCE Integration Adapter

The following are steps with examples you need to follow to configure DCE to use DCE Integration. The steps assume that a DCE cell has been configured and the machines being used are part of that cell.

As the DCE cell administrator, you will need to do the following:

Create new principals and accounts for all users in your organization

Install the key of the server into a key file

Create Oracle directories in the CDS namespace

Give the Oracle principal permission to create objects in the CDS namespace

Load Oracle service names into CDS

Creating New Principals and Accounts

First, you need to add server principals using a procedure like the one below:

% dce_login cell_admin password
% rgy_edit
Current site is: registry server at  
  /.../cell1/subsys/dce/sec/master
rgy_edit=>do p
Domain changed to: principal 
rgy_edit=> add oracle
rgy_edit=> do a
Domain changed to: account
rgy_edit=> add oracle -g none -o none -pw oracle_password 
  -mp cell_admin_password
rgy_edit=> quit
bye

You just created a DCE principal, 'oracle'. The principal has a corresponding account with password password. The account does not belong to any DCE group or DCE profile.

You only need to do this once after DCE Integration has been installed. Also, you only need to do this procedure for the Oracle database server, not for the client.

Installing the Key of the Server into a Keytab File

In this step by step procedure, you install the key of the server into a keytab file. The keytab file contains the password of the principal under which the SQL*Net listener starts. The SQL*Net listener reads this file to authenticate itself to DCE.

You only need to do this once after DCE Integration has been installed. Also, you only need to do this procedure for the Oracle database server, not for the client.

Note: Remember to substitute the $ORACLE_HOME variable with the correct full pathname.

% dce_login cell_admin password
% rgy_edit 
Current site is: registry server at /.../cell1/subsys/dce/sec/master
rgy_edit=> ktadd -p oracle -pw Oracle_password -f
	$ORACLE_HOME/dcepa/admin/dcepa.key
rgy_edit=>quit
bye

Configuring DCE CDS for Use by Oracle DCE Integration

The /.:/subsys/oracle/names directory contains objects that map SQL*Net service names to connect descriptors, which are used by the CDS naming adapter.

The /.:/subsys/oracle/service_registry directory also contains objects that map the service name in DCE addresses to the network endpoint which is used by both DCE protocol adapter clients and servers.

Creating Oracle Directories in the CDS Namespace

You need to perform the steps in this section after installing the DCE Integration Adapter for the first time in a cell.

% dce_login cell_admin
Enter Password:   (password not displayed)

$ cdscp
cdscp> create dir /.:/subsys/oracle
cdscp> create dir /.:/subsys/oracle/names
cdscp> create dir /.:/subsys/oracle/service_registry
cdscp> exit

Note: Create these directories on all CDS replicas.

Giving Servers Permission to Create Objects in the CDS Namespace

Perform the following steps to add the principal oracle to the cds-server group.

$ dce_login cell_admin
Enter Password:   (password not displayed)
$ rgy_edit
rgy_edit=> domain group
Domain changed to: group
rgy_edit=> member subsys/dce/cds-server -a oracle
rgy_edit=> exit

Loading Oracle Service Names Into CDS

Refer to "Configuring Clients to Use the CDS Naming Adapter"

for instructions on how to configure clients, and to "Creating a TNSNAMES.ORA for Loading Oracle Connect Descriptors into CDS"

for information on how to load Oracle service names into CDS.

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