You are previewing IBM PowerHA SystemMirror for AIX 7.1.3 Best Practices and Migration Guide.
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IBM PowerHA SystemMirror for AIX 7.1.3 Best Practices and Migration Guide

Book Description

This IBM® Redbooks® publication positions high availability solutions for IBM Power Systems™ with IBM PowerHA® SystemMirror® Standard and Enterprise Editions (hardware, software, best practices, reference architectures, migration, and tools) with a well-defined and documented deployment model within an IBM Power Systems environment allowing customers a planned foundation for a dynamic high available infrastructure for their enterprise applications.

This Redbooks publication documents topics to leverage the strengths of IBM PowerHA SystemMirror Standard and Enterprise Editions 7.1.3 for IBM Power Systems to solve customers' application high availability challenges, and maximize systems' availability, and management.

This Redbooks publication focuses on providing the readers with technical information and references on the capabilities of each edition, functionalities, usability, and features that make IBM PowerHA SystemMirror a premier solution for high availability and disaster recovery for IBM Power Systems servers.

This Redbooks publication helps strengthen the position of the IBM PowerHA SystemMirror solution with a well-defined and documented best practices, usability, functionality, migration and deployment model within an IBM POWER® system virtualized environment allowing customers a planned foundation for business resilient infrastructure solutions.

This Redbooks publication is targeted toward technical professionals (consultants, technical support staff, IT Architects, and IT Specialists) responsible for providing high availability solutions and support with the IBM PowerHA SystemMirror on IBM POWER.

Table of Contents

  1. Front cover
  2. Notices
    1. Trademarks
  3. IBM Redbooks promotions
  4. Preface
    1. Authors
    2. Now you can become a published author, too!
    3. Comments welcome
    4. Stay connected to IBM Redbooks
  5. Chapter 1. IBM PowerHA SystemMirror for AIX best practices
    1. 1.1 Introduction
    2. 1.2 Designing high availability
      1. 1.2.1 Risk analysis
    3. 1.3 Cluster components
      1. 1.3.1 Nodes
      2. 1.3.2 Networks
      3. 1.3.3 Adapters
      4. 1.3.4 Applications
    4. 1.4 Testing
    5. 1.5 Maintenance
      1. 1.5.1 Upgrading the cluster environment
    6. 1.6 Monitoring
    7. 1.7 PowerHA in a virtualized world
      1. 1.7.1 Maintenance of the VIOS partition: Applying updates
      2. 1.7.2 Workload partitions
    8. 1.8 Summary
  6. Chapter 2. File system conversion and migration
    1. 2.1 Conversion versus migration
    2. 2.2 Volume and file system migration
      1. 2.2.1 Volume group conversion and migration
      2. 2.2.2 Limitations of migration
      3. 2.2.3 Migrating from VxVM to LVM
  7. Chapter 3. Symantec Cluster Server powered by Veritas
    1. 3.1 Executive overview
    2. 3.2 Components of a Symantec cluster
    3. 3.3 Cluster resources
    4. 3.4 Cluster configurations
    5. 3.5 Cluster communication
    6. 3.6 Cluster installation and setup
    7. 3.7 Cluster administration facilities
    8. 3.8 PowerHA and Symantec Cluster Server compared
      1. 3.8.1 Components of a PowerHA cluster
      2. 3.8.2 Cluster resources
      3. 3.8.3 Cluster configurations
      4. 3.8.4 Cluster communications
      5. 3.8.5 Cluster installation and setup
      6. 3.8.6 Cluster administration facilities
      7. 3.8.7 PowerHA and Symantec Cluster Server feature comparison summary
  8. Chapter 4. Migrating from Symantec Cluster Server powered by Veritas
    1. 4.1 Terminology
      1. 4.1.1 Cluster communication
      2. 4.1.2 Seeding
      3. 4.1.3 Coordination points
      4. 4.1.4 Fencing
      5. 4.1.5 Resources and groups
      6. 4.1.6 Storage foundation
    2. 4.2 Introduction
    3. 4.3 Daily administration
    4. 4.4 Cluster environment
    5. 4.5 Planning
      1. 4.5.1 Network considerations
      2. 4.5.2 Storage considerations
      3. 4.5.3 Application resources
    6. 4.6 Converting a Symantec Cluster Server to an IBM PowerHA cluster
    7. 4.7 Test environment overview
      1. 4.7.1 Environmental details
      2. 4.7.2 Symantec Cluster Server configuration
      3. 4.7.3 Collecting Cluster specifications
    8. 4.8 Creating the LVM volume group and the file systems
      1. 4.8.1 LVM creation
      2. 4.8.2 Add LVM to VCS
    9. 4.9 Installing the PowerHA software
      1. 4.9.1 Testing the cluster
    10. 4.10 Performing the migration
    11. 4.11 Roll-back and removal
    12. 4.12 Deleting the Symantec Cluster Server
    13. 4.13 Troubleshooting, and known issues
      1. 4.13.1 Volume Manager holds the disk
      2. 4.13.2 Volume group will not varyon with VCS after PowerHA test
    14. 4.14 Shared storage pools
    15. 4.15 Cluster migration
      1. 4.15.1 PowerHA and Storage Foundation
      2. 4.15.2 Configuring User-Defined Resources
      3. 4.15.3 Enabling Storage Foundation Resources in PowerHA
      4. 4.15.4 Mixed volume manager environment
  9. Chapter 5. Converting a local PowerHA Standard Edition cluster to a PowerHA Enterprise Edition cluster
    1. 5.1 Test environment overview
    2. 5.2 Install PowerHA Enterprise Edition software
    3. 5.3 Delete existing cluster
    4. 5.4 Creating a three node two-site GLVM linked cluster
      1. 5.4.1 Define linked cluster with sites
      2. 5.4.2 Configure GLVM
      3. 5.4.3 Create GMVG
      4. 5.4.4 Create resource group
      5. 5.4.5 Add GMVG into resource group
    5. 5.5 Defining manual site split and merge policy
    6. 5.6 Testing manual split option
      1. 5.6.1 First node failure in site dallas
      2. 5.6.2 Site split
      3. 5.6.3 Restart primary site nodes
      4. 5.6.4 Move resource group back to primary site
    7. 5.7 Testing manual merge option
  10. Related publications
    1. IBM Redbooks
    2. Online resources
    3. Help from IBM
  11. Back cover
  12. IBM System x Reference Architecture for Hadoop: IBM InfoSphere BigInsights Reference Architecture
    1. Introduction
    2. Business problem and business value
    3. Reference architecture use
    4. Requirements
    5. InfoSphere BigInsights predefined configuration
    6. InfoSphere BigInsights HBase predefined configuration
    7. Deployment considerations
    8. Customizing the predefined configurations
    9. Predefined configuration bill of materials
    10. References
    11. The team who wrote this paper
    12. Now you can become a published author, too!
    13. Stay connected to IBM Redbooks
  13. Notices
    1. Trademarks