HA : Oracle Real Application Clusters - 12C RAC
| Prerequisite |
- 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
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| 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
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| 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
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| 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
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