ovm-sparc-install-rac11gr2 - 墨天轮文档

ovm-sparc-install-rac11gr2

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2019-08-09

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An Oracle Technical White Paper

July 2012

Installing Oracle RAC 11gR2 on the Oracle Solaris

11 OS by Using Oracle VM Server for SPARC

This paper describes how to install Oracle Real Application Clusters (RAC) on an Oracle Solaris 11 server by

using the Oracle VM Server for SPARC software.

Introduction

Oracle Real Application Clusters (RAC) is a cluster database with a shared cache architecture that

overcomes the limitations of traditional “shared-nothing” and “shared-disk” approaches to provide

highly scalable and available database solutions for all your business applications.

The shared-nothing approach assumes that each node in a cluster has sole ownership of the data

on that node. The shared-disk approach, also known as the “shared-everything” approach, assumes

that one array of disks holds all of the data in that database. Each server or node in the cluster acts

on that single collection of data in real time. The “shared-cache” approach is based on the shared-

disk architecture. The overhead of sharing data by means of the disk, which is the slowest

component in the system, in introduces a significant performance penalty. The shared-cache

approach uses a high-speed cache to share information between nodes, which is much faster than

sharing by means of the disk.

Oracle VM Server for SPARC (previously called Sun Logical Domains) is Oracle's server

virtualization and partitioning technology for Oracle's SPARC T-Series servers. Oracle VM Server

for SPARC leverages the SPARC hypervisor to subdivide the resources (CPU, memory, I/O, and

storage) of each supported platform by creating partitions called logical domains (or virtual

machines). These logical domains can take advantage of the massive thread scale that is offered by

SPARC T-Series servers and the Oracle Solaris 11 operating system.

Oracle RAC is always deployed in to a virtualized environment in the following ways:

• Development environment. Deploy multiple Oracle RAC nodes on the same physical server

to reduce hardware costs.

• Production environment. Place each Oracle RAC node on a separate physical server for

increased availability

This paper describes how to deploy four Oracle RAC 11g Release 2 (11gR2) nodes in a guest

domain on separate SPARC T-Series servers to simulate a production environment. Both the

control domains and the guest domains are installed with the Oracle Solaris 11 OS.

This paper covers the following topics:

• Configuring a logical domain on a SPARC T-Series System that runs the Oracle Solaris 11 OS

• Configuring the Oracle RAC 11g R2 software in a logical domain

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