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Preparing for Installation of Oracle Collaboration Suite

Preparing for Installation of Oracle Collaboration Suite

This module describes how to prepare for installation of Oracle Collaboration Suite Release 2 (9.0.4).

Topics

This lesson will discuss the following:

Overview
Prerequisites
Checking Hardware Requirements
Configuring the Kernel and Creating the oracle User

Overview

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Oracle Collaboration Suite can be deployed in a multitude of configurations. For the purposes of the Oracle by Example (OBE) lessons on Oracle Collaboration Suite Release 2 (9.0.4), a single-box configuration will be used. All components (the infrastructure, information storage, and middle tier) will be installed and configured on a single Linux server. The hardware requirements listed below specifically supports this configuration.

Prerequisites

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In order for this lesson to work successfully, you will need to have performed the following:

1.

Install an Oracle Collaboration Suite Release 2 (9.0.4) certified version of Linux, along with the required Linux operating system patches, onto a hardware platform certified for that version of Linux.

 

Checking Hardware Requirements

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The system must meet the following minimum hardware requirements:
2 GB of physical random access memory (RAM)
4 GB of swap space (or twice the size of RAM)
  On systems with 2 GB or more of RAM, the swap space can be between one and
two times the size of RAM
2.1 GB of disk space in the /tmp directory; 74 MB of disk space in the /var/tmp directory
6.5 GB of disk space for the Oracle Collaboration Suite software
4 GB of disk space for the information storage database (for Oracle Mail and Oracle Files)

Configure the Kernel and Creating the oracle User

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To configure the system, follow these steps:

Note these steps are written for Bourne, Korn, and bash shells.

1.

Start a session as root.

 

2.

The following local UNIX groups and user must exist on the system:

  • The oinstall group (the Oracle Inventory group)
  • The dba group (the OSDBA group)
  • The oracle user (the Oracle software owner)

 

3.

To determine whether the oinstall and dba groups exist, enter the following
commands:

grep oinstall /etc/group
grep dba /etc/group

 

4.

If either group does not exist create them now.

groupadd oinstall
groupadd dba

 

5.

To determine whether the oracle user exists and belongs to the correct groups,
enter the following command:

id oracle

If the user exists but the groups are not set to oinstall and dba then use the following command:

usermod -g oinstall -G dba

 

6.

If the oracle user does not exist, enter the following command to create it:

useradd -g oinstall -G dba -d /home/oracle oracle

 

7.

Enter the following command to set the password of the oracle user:

passwd oracle

 

8.

With an editor of your choosing, create 3 copies of the .bash_profile file then edit each to set the environment appropriately for each of the 3 Oracle Collaboration Suite. For example:

1. Name the first copy .ocs_inf_profile and add the following lines:

umask 022
        
export ORACLE_BASE=<Oracle products directory, such as /oracle>
export ORACLE_HOME=$ORACLE_BASE/<infrastructure directory, such as ocs_inf>
export ORACLE_SID=<infrastructure database SID, such as iasdb>
export PATH=$PATH:$ORACLE_HOME/bin
export TMPDIR=/tmp

2. Name the second copy .ocs_store_profile and add the following lines:

umask 022
        
export ORACLE_BASE=<Oracle products directory, such as /oracle>
export ORACLE_HOME=$ORACLE_BASE/<info store directory, such as ocs_store>
export ORACLE_SID=<info store SID, such as storedb>
export PATH=$PATH:$ORACLE_HOME/bin
export TMPDIR=/tmp

3. Name the first copy .ocs_mid_profile and add the following lines:

umask 022
        
export ORACLE_BASE=<Oracle products directory, such as /oracle>
export ORACLE_HOME=$ORACLE_BASE/<mid tier directory, such as ocs_mid>
export ORACLE_SID=<info store SID, such as storedb>
export PATH=$PATH:$ORACLE_HOME/bin
export TMPDIR=/tmp

Make these 3 files executable with the following commands:

chmod 744 .ocs_inf_profile
chmod 744 .ocs_store_profile
chmod 744 .ocs_mid_profile 

 

9.

Create the directory for the software installation and assign ownership to oracle:oinstall. In the example we will use /oracle.

mkdir /oracle
chown -R oracle:oinstall /oracle
chmod -R 755 /oracle

 

10.

Set required kernel parameters.

Parameter    Value
---------    -----------------

shmmax       2147483648
shmall       3279547

sem          250 32000 110 300
file-max     327679

Open the /etc/sysctl.conf file in any text editor and add lines similar to the following:

kernel.shmmax = 2147483648
kernel.shmall = 3279547
kernel.sem = 250 32000 110 300
fs.file-max = 327679

By specifying values for these parameters in the /etc/sysctl.conf file, these values persist when you reboot the system.

 

11.

The kernel changes made previously will take effect on reboot. Reboot the Linux box now so the kernel parameters take effect.

shutdown -r now

 

12.

Login as operating system user oracle. You are now ready to begin installation of Oracle Collaboration Suite.

 

 

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