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Oracle RAC Software Installation

Oracle RAC Cluster Tips by Burleson Consulting

This is an excerpt from the bestselling book Oracle Grid & Real Application Clusters.  To get immediate access to the code depot of working RAC scripts, buy it directly from the publisher and save more than 30%.


The CRS services should be running, before beginning installation of the Oracle RAC Database software.

1. From the CD or from the software location, launch the runInstaller command.

2. When the OUI displays the Welcome page, click Next, and the OUI displays the Specify File Locations page as seen in Figure 6.17. In this example, Oracle Home has been set to /u01/app/oracle/product/10g/db_1. The Source field on the Specify File Locations page is pre-populated with the path to the file Oracle Database 10g products.xml.

Note:  Do not install Oracle Database 10g with RAC software into the same home in which the CRS software is installed.

Figure 6.17: Specify Oracle Home

3. Next, the Specify Hardware Cluster Installation Mode page is presented. This is where an installation mode is selected. The Cluster Installation mode is selected by default when the OUI detects that the installation is being performed on a cluster. In addition, the local node is always selected for the installation. Select additional nodes that are to be part of this installation session. In this example, three nodes in the cluster have been selected.

Figure 6.18: Specify Cluster Nodes

4. After clicking Next on the Specify Hardware Cluster Installation page, the OUI verifies that the Oracle home directory is writable on the remote nodes and that the remote nodes are operating. The OUI also re-validates user equivalence.

5. On the Install Type page, select Enterprise Edition, Standard Edition, or Custom Install type.

Figure 6.19: Specify Installation Type

6. Then the OUI displays the Prerequisite Check page. The Prerequisite Check page verifies the operating system kernel parameters or attributes and validates the ORACLE_BASE location etc.

Figure 6.20: Specify Database Configuration

7. Next, select the Database Configuration desired. Optionally, the creation of the starter database can be skipped, as shown below in Figure 6.21. We wanted to install only the software and not build a starter database at this time, therefore we selected, ?do not create a starter database? option.

Figure 6.21: Specify Database Configuration

From this point, installation progress will be indicated by a progress bar.

However, if the starter database option is selected, there will be more selection pages. In the Database Configuration Options page, enter a global database name. A global database name is a name that includes the database name and database domain, such as db.us.acme.com. SID names automatically populate.

Next, OUI displays the Database Management Option for Database Control page where Grid or Local Database Control can be specified. If Grid Control is selected, Grid Management Server should be running and be accessible. 

After that, OUI displays the Data Storage Option page. The following options are presented:

* Automatic Storage Management (ASM) where the disk partition locations can be specified.

* File System where the full path of the location for the data files destination on the shared or cluster file system can be specified.

* Raw devices - specify a location for the raw device mapping file.

Next, the progress bar is shown.

Figure 6.22: Installation in progress

In the end, the OUI displays a prompt to run the root.sh script on all the selected nodes to start the Virtual Internet Protocol Configuration Assistant (VIPCA) and display the VIPCA Welcome page. Before running root.sh, make sure that the display environment variables are properly set. It may be more convenient to launch the VIPCA later to formulate the appropriate services. However, note that the VIP has to be configured before starting the DBCA to create the Database.

Figure 6.23: Installation root.sh

Virtual IP Configuration Assistant is launched by vipca command:

Figure 6.24: VIP Configuration Welcome Page

In the next page, provide the Virtual IP address, the node name, and the Virtual IP address, which will be used later by the HA services functionality. Finally, as shown the in the next figure, VIP application resources, GSD resources, ONS application resources and Enterprise Manager Agent Application resources are created.

Figure 6.25: VIP Resources Creation

Assistants shown below (GUI interface tools) can be launched at any time.

* Net Configuration Assistant (NetCA)

* Database Configuration Assistant (DBCA)

* Virtual Internet Protocol Configuration Assistant (VIPCA)

Finally, OUI displays the completion page and also shows the port numbers associated with isqlplus and Ultra Search Tool etc.

Figure 6.26: End of Installation Page

Next will be the creation of the Database by using the DBCA.

 


This is an excerpt from the bestselling book Oracle Grid & Real Application Clusters, Rampant TechPress, by Mike Ault and Madhu Tumma.

You can buy it direct from the publisher for 30%-off and get instant access to the code depot of Oracle tuning scripts.

http://www.rampant-books.com/book_2004_1_10g_grid.htm


 

 
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