Oracle B32100-01 ユーザーズマニュアル

Requirements for High Availability Configurations

Installing in High Availability Environments: Overview

OracleAS Metadata Repository

Oracle Identity Management components

If you are distributing the Oracle Identity Management components, you install 
them in the following order:

Oracle Internet Directory and Oracle Directory Integration Platform

OracleAS Single Sign-On and Oracle Delegated Administration Services

Middle tiers

Note that you can install middle tiers before the other components and reassociate 
them with the high availability configuration following installation of the other 
components.

This section describes the requirements common to all high availability configurations. 
In addition to these common requirements, each configuration has its own specific 
requirements. See the individual chapters for details.

The common requirements are:

■

■

■

■

You need at least two nodes in a high availability configuration. If a node fails for any 
reason, the second node takes over.

Check that the /etc/group file on all nodes in the cluster contains the operating 
system groups that you plan to use. You should have one group for the oraInventory 
directory, and one or two groups for database administration. The group names and 
the group IDs must be the same for all nodes.

 for details.

Check that the oracle operating system user, which you log in as to install Oracle 
Application Server, has the following properties:

■

Belongs to the oinstall group and to the osdba group. The oinstall group is 
for the oraInventory directory, and the osdba group is a database administration 
group. See 

 for details.

You still need to meet the requirements listed in 

, plus requirements specific to the high availability 

configuration that you plan to use.