Administration InfoScale Availability Basics

High Availability Concepts

• Clustering concepts

• High availability application services

• Clustering prerequisites

Labs:

• Exercise A: Installing InfoScale Enterprise using the Common Product Installer (CPI)]

• Exercise B: Running a post-installation check

• Exercise C: Adding cluster systems to VIOM as managed hosts

VCS Building Blocks

• VCS terminology

• Cluster communication

• VCS architecture

• Multi version cluster

Labs:

• Exercise A: Displaying cluster information

• Exercise B: Displaying status and attributes

• Exercise C: Performing service group operations

• Exercise D: Manipulating resources.

VCS Operations

• Common VCS tools and operations

• Service group operations

• Resource operations

Labs

• Exercise A: Displaying cluster information

• Exercise B: Displaying status and attributes

• Exercise C: Performing service group operations

• Exercise D: Manipulating resources

VCS Configuration Methods

• Starting and stopping VCS

• Overview of configuration methods

• Online configuration

• Controlling access to VCS

Labs

• Exercise A: VCS configuration state and stopping VCS

• Exercise B: Configuring automatic backup of the VCS configuration

• Exercise C: Setting non default VCS stop options

Preparing Services for VCS

• Preparing applications for VCS

• Performing one-time configuration tasks

• Testing the application service

• Stopping and migrating a service

• Collecting configuration information

Labs

• Exercise A: Configuring and examining storage for the service

• Exercise B: Examining the application

• Exercise C: Manually starting and stopping the application

Online Configuration

• Online service group configuration

• Adding resources

• Solving common configuration errors

• Testing the service group

Labs

• Exercise A: Creating a service group for the loopy application

• Exercise B: Configuring resources for the loopy application

• Exercise C: Performing a virtual fire drill on the service group

• Exercise D: Testing the service group

• Exercise E: Setting resources to critical

• Exercise F: (Optional) Examining Veritas File System locking by VCS

Offline Configuration

• Offline configuration examples

• Offline configuration procedures

• Solving offline configuration problems

• Testing the service group.

Labs

• Exercise A: Editing a copy of the main.cf file using a system editor

• Exercise B: Stopping VCS

• Exercise C: Restarting VCS using the edited main.cf file

Configuring Notification

• Notification overview

• Configuring notification

• Overview of triggers

Labs

• Exercise A: Configuring and testing the notifier using VIOM

• Exercise B: Configuring trigger scripts

InfoScale Availability Additions

Handling Resource Faults

• VCS response to resource faults

• Determining failover duration

• Controlling fault behavior

• Recovering from resource faults

• Fault notification and event handling

Labs

• Exercise A: Observing non-critical resource faults

• Exercise B: Observing critical resource faults

• Exercise C: (Optional) Observing faults in frozen service groups

• Exercise D: (Optional) Observing ManageFaults behavior

• Exercise E: (Optional) Observing restart limit behavior

Intelligent Monitoring Framework

• IMF overview

• IMF configuration

• Faults and failover with intelligent monitoring

Labs

• Exercise A: Examining IMF monitoring on a resource

• Exercise B: (Optional) Examining the IMF default configuration

Cluster Communications

• VCS communications review

• Cluster interconnect configuration

• Cluster startup

• System and cluster interconnect failure

• Changing the interconnect configuration

Labs

• Exercise A: Reconfiguring LLT

• Exercise B: Observing jeopardy membership