HA : Oracle Real Application Clusters - 12C RAC

  •    Linux Installation in Virtual Box

  •    IP Configure for RAC in Linux Machine

  •    Storage options to maintain RAC databases

  •    NAS configure for RAC storage

Introduction to Grid Infrastructure
  •    What is a Cluster?

  •    What is a Flex Cluster?

  •    Clusterware Characteristics

  •    Oracle Clusterware

  •    Hardware and Software Concepts (High level)

  •    Shared Storage Overview

Oracle Clusterware Architecture
  •    Cluster Storage Requirements

  •    Clusterware Initialization and OHASD

  •    Clusterware Process Architecture

  •    Location Independent Names, Addresses and Name Resolution (GNS, SCAN, VIP..)

  •    Shared GNS Background and Architecture

  •    Configuring shared GNS

  •    Migrating to shared GNS

  •    Moving GNS to Another Cluster

Flex Cluster Architecture
  •   Flex Cluster Architecture

  •   Configuring Flex Cluster

  •   Flex Clusters and Node Failure

Grid Infrastructure Pre-Installation Tasks
  •   Shared Storage for Oracle Clusterware

  •   Checking System Requirements

  •   Single Client Access Name for the Cluster

  •   Redundant Interconnect Usage

  •   Kernel Requirements

  •   Groups and Users

  •   Shell Settings

  •   Oracle Validated Configuration

Installing Grid Infrastructure
  •    Installing Oracle Grid Infrastructure

  •    Installing Flex Cluster

  •    Verifying the Oracle Clusterware Installation

Managing Cluster Nodes
  •    Adding Oracle Clusterware Homes

  •    Prerequisites for Running addNode.sh

  •    Adding a Node with addNode.sh

  •    Configuring the node role

  •    Removing a Node from the Cluster

Traditional Clusterware Management
  •    Oracle Clusterware startup and shutdown

  •    Administering the Oracle Cluster Registry Disk file

  •    Network Administration

  •    What-If Command Evaluation

  •    Clusterware Admin Tools Review

Policy-Based Cluster Management
  •    Policy-Based Cluster Management Overview

  •    Server Categorization

  •    Policy Set

  •    Patching Grid Infrastructure

  •    Out-of-Place Oracle Clusterware Upgrade

  •    Types of Patches

  •    Obtaining Oracle Clusterware Patches

  •    Rolling Patches

  •    OPatch Overview

  •    Installing a Rolling Patch with OPatch

  •    OPatch Automation

Troubleshooting Oracle Clusterware
  •   Diagnostic Framework Support for CRS

  •   Cluster Health Monitor Enhancements Overview

  •   Component level checks – cluvfy with -comp

  •   Resource Debugging – Java Tools and Dynamic Debugging

  •   Troubleshooting Node Evictions

  •   Log files and Diagnostic Collection

  •   The column Utility

Overview of Using Oracle Clusterware to Enable HA
  •   Oracle Clusterware HA Components

  •   Resource Management Options

  •   Server Pools

  •   Overall flow diagram of HA lifecycle (crs_profile, crs_register, crs_start….)

  •   Clusterware Resource Modeling

  •   Creating an Application VIP

  •   ONS and FAN overviews