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Contents
Chapter 1: Overview of the Planning Process
Overview of the Planning Process Goals
Eliminating Single Points of Failure: Configuring Redundant Components Supported by HACMP
Overview of the Planning Tools
Online Planning Worksheets Application
Overview of the Planning Process
Step 1: Planning for Highly Available Applications
Step 2: Planning Cluster Topology
Step 3: Planning Cluster Network Connectivity
Step 4: Planning Shared Disk Devices
Step 5: Planning Shared LVM Components
Step 6: Planning Resource Groups
Step 7: Planning Cluster Event Processing
Step 8: Planning HACMP Clients
Chapter 2: Initial Cluster Planning
Managing User Account Security
Planning Resources and Site Policy
HACMP/XD for GLVM Mirroring Overview
HACMP/XD for Metro Mirror Overview
Completing the Cluster Site Worksheet
Planning for Capacity Upgrade on Demand
Applications Integrated with HACMP
Planning Considerations for Multi-Tiered Applications
Planning Applications and Application Servers
Completing the Application Worksheet
Completing the Application Server Worksheet
Completing the Application Monitoring Worksheet
Planning for AIX 5L Fast Connect
Planning Considerations for Fast Connect
Fast Connect as a Highly Available Resource
Completing the Fast Connect Worksheet
Planning for Highly Available Communication Links
SNA and X.25 Links Required Software and Hardware
Completing the Communication Links Worksheets
Chapter 3: Planning Cluster Network Connectivity
General Network Considerations for HACMP
General Network Connection Example
HACMP Configuration in Switched Networks
HACMP and Virtual Ethernet (VLAN)
Topology Services and Heartbeat Rings
Setting up Heartbeating over IP Aliases
How HACMP Assigns Heartbeat Rings
Viewing IP Addresses Assigned by HACMP for Heartbeating over IP Aliases
Heartbeating over Disk and Fast Method for Node Failure Detection
Designing the Network Topology
Eliminating the IP Subsystem as Single Points of Failure
Eliminating Networks as Single Points of Failure
Planning Point-to-Point Networks
Eliminating Network Interface Cards as a Single Point of Failure
Planning for IP Address Takeover via IP Aliases
Assigning IP Labels for IPAT via IP Aliases
Planning for Service IP Label Alias Placement
Types of Distribution for Service IP Label Aliases
Planning for Site-Specific Service IP Labels
Planning for IP Address Takeover via IP Replacement
Hardware Address Takeover with IPAT via IP Replacement
Planning for Other Network Conditions
Planning for VPN Firewall Network Configurations in HACMP
Setting Failure Detection Parameters
Setting Values for the Network Grace Period
Identifying Service Adapter Failure for Two-Node Clusters
Choosing IP Addresses for the netmon.cf File
Planning Networks for Inter-Node Communication with Oracle
Special SP Switch Failure Considerations
Planning for the SP Switch Network
Completing the Network Worksheets
Completing the TCP/IP Networks Worksheet
Completing the TCP/IP Network Interface Worksheet
Completing the Point-to-Point Networks Worksheet
Completing the Serial Network Interface Worksheet
Selecting an Alternate Hardware Address
Adding the Network Topology to the Cluster Diagram
Chapter 4: Planning Shared Disk and Tape Devices
Choosing a Shared Disk Technology
IBM Serial Storage Architecture Disk Subsystem
Disk Power Supply Considerations
SCSI Device Power Considerations
IBM SSA Disk Subsystem Power Considerations
Planning for Non-Shared Disk Storage
Planning a Shared SCSI Disk Installation
Sample IBM 2104 Expandable Storage Plus Configuration
Sample IBM DS4000 Storage Server Configuration
Sample IBM 2105 Enterprise Storage Server Configuration
Planning a Shared IBM SSA Disk Subsystem Installation
Using SSA Facilities for High Availability
Configuring to Minimize Single Points of Failure
Configuring for Optimal Performance
Planning for RAID and SSA Concurrent Volume Groups
SSA Disk Fencing in Concurrent Access Clusters
Completing the Disk Worksheets
Completing the Shared SCSI Disk Worksheet
Completing the Shared SCSI Disk Array Worksheet
Completing the IBM SSA Disk Subsystems Worksheet
Adding the Disk Configuration to the Cluster Diagram
Planning for Tape Drives as Cluster Resources
Reserving and Releasing Shared Tape Drives
Chapter 5: Planning Shared LVM Components
Using Quorum and Varyon to Increase Data Availability
Forced Varyon and Cluster Partitioning
Relinquishing Control over NFS filesystems in an HACMP Cluster
Reliable NFS Server Capability
NFS Exporting Filesystems and Directories
Completing the Shared LVM Components Worksheets
Completing the Non-Shared Volume Group Worksheet
Completing the Shared Volume Group and Filesystem Worksheet
Completing the NFS-Exported Filesystem Worksheet
Completing Concurrent Access Worksheets
Adding LVM Information to the Cluster Diagram
Chapter 6: Planning Resource Groups
General Rules for Resources and Resource Groups
Two Types of Resource Groups: Concurrent and Non-Concurrent
Non-Concurrent Resource Groups
Resource Group Policies for Startup, Fallover and Fallback
How Resource Group Attributes Relate to Startup, Fallover, and Fallback
Moving Resource Groups to Another Node
Using clRGmove to Move Resource Groups
Planning Cluster Networks and Resource Groups
Aliased Networks and Resource Groups
IPAT via IP Replacement Networks and Resource Groups
Planning Service IP Labels in Resource Groups
Planning Parallel or Serial Order for Processing Resource Groups
Dependent Resource Groups and Parallel or Serial Order
Planning Resource Groups in Clusters with Sites
Concurrent Resource Groups and Sites
Non-Concurrent Resource Groups and Sites
General Resource Group Behavior in Clusters with Sites
Special Considerations for Using Sites
Resource Group Behavior Examples in Clusters with Sites
Customizing Inter-Site Resource Group Recovery
Planning for Replicated Resources
Configuration of Replicated Resources
Processing of Replicated Resources
Moving Resource Groups with Replicated Resources
Recovering Resource Groups on Node Startup
About Workload Manager Classes
Workload Manager Reconfiguration, Startup, and Shutdown
Limitations and Considerations
Assigning WLM Classes to HACMP Resource Groups
Completing the Resource Group Worksheet
Chapter 7: Planning for Cluster Events
Planning node_up and node_down Events
Establishing Initial Cluster Membership
node_up Events with Dependent Resource Groups or Sites
Failure of a Single Network Interface Does Not Generate Events
Resource Group Event Handling and Recovery
Customizing Cluster Event Processing
Pre- and Post-Event Scripts May No Longer Be Needed
Dependent Resource Groups and Pre- and Post-Event Scripts
Custom Remote Notification of Events
Planning for Custom Remote Notification
Customizing Event Duration Time Until Warning
Completing the Cluster Event Worksheet
Chapter 8: Planning for HACMP Clients
Customizing the clinfo.rc Script
Chapter 9: Using Online Planning Worksheets
Overview of the Online Planning Worksheets Application
Installing the Online Planning Worksheets Application
Downloading the Application on an AIX 5L System
Installing the Application on a Windows System
Starting and Stopping the Application
Running the Application from an AIX 5L Installation
Running the Application from a Windows Installation
Running the Application from the IBM Website
Using the Online Planning Worksheets Application
Navigating Your Cluster Configuration
Viewing Standard and Extended Configuration Panels
Entering Data in the Configuration Panels
Creating a New Cluster Definition File
Opening an Existing Cluster Definition File
Adding, Modifying, and Deleting Cluster Information
Adding Notes about the Cluster Configuration
Validating a Cluster Definition
Saving a Cluster Definition File
Creating an HTML Configuration Report
Overview of the Planning Process
Specifying TTY Node/Port Pairs
File Collections Global Settings
Specifying Verification Options
Understanding the Cluster Definition File
Cluster Definition File Format
Sample Cluster Definition File
Cluster Definition Schema Files
Converting an HACMP Cluster Configuration into OLPW
Exporting a Cluster Definition File from SMIT
Converting a Snapshot to a Cluster Definition File
Applying Worksheet Data to Your HACMP Cluster
Applying Your Cluster Configuration File
Troubleshooting Cluster Definition File Problems
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