Oracle Real Application Clusters
This book provides comprehensive coverage of the features, technology and principles of RAC that is part of the Oracle9i release of Oracle's RDBMS product.
TABLE OF CONTENTS Oracle Real Application Clusters
Chapter 17: RAC Implementations
17.1 Introduction
In the previous chapter we discussed the various problem diagnosis scenarios. We discussed the various methods to diagnose some of the most common errors encountered during the day-to-day operations of the production environment. Subsequently, the discussion focused on some of the utilities provided by Oracle that will help diagnose the problem and help Oracle Support Services to get to the bottom of the issues much quicker.
In this chapter the discussions will be centered around RAC implementations on Linux and Windows operating systems, basically the differences and additional processes.
17.2 Linux
17.2.1 Oracle Clustered File System
The Oracle Clustered File System (OCFS) was developed by Oracle to simplify the management of RAC database data files on Linux and Windows operating systems.
Installation of the OCFS requires a private network configured and consists of these general steps:
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Like the Linux operating system, OCFS is developed by Oracle as open source software and is available with source code under the general public license (GPL). The latest version of the OCFS packages could be obtained from either of the following websites
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http://otn.oracle.com/tech/linux/content.html
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http://www.ocfs.org/ocfs/
The package comprises three files:
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Support file that contains all the generic packages required for OCFS. The file is identified with a version of the release, for example ocfs-support-1.0.9-4.i686.rpm
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Tools file that contains all packages to install the various tools required for the configuration and management of OCFS. This file is also identified with a version number of the release, for example ocfs-support-1.0.9-4.i686.rpm
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A Linux kernel module,...
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