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Guide to IBM PowerHA SystemMirror for AIX Version 7.1.3

Book Description

This IBM® Redbooks® publication for IBM Power Systems™ with IBM PowerHA® SystemMirror® Standard and Enterprise Editions (hardware, software, practices, reference architectures, and tools) documents a well-defined deployment model within an IBM Power Systems environment. It guides you through a planned foundation for a dynamic infrastructure for your enterprise applications.

This information is for technical consultants, technical support staff, IT architects, and IT specialists who are responsible for providing high availability and support for the IBM PowerHA SystemMirror Standard and Enterprise Editions on IBM POWER® systems.

Table of Contents

  1. Front cover
  2. Notices
    1. Trademarks
  3. Preface
    1. Authors
    2. Now you can become a published author, too
    3. Comments welcome
    4. Stay connected to IBM Redbooks
  4. Chapter 1. Introduction to IBM PowerHA SystemMirror for AIX 7.1.3, Standard and Enterprise Editions
    1. 1.1 How IBM PowerHA SystemMirror helps
    2. 1.2 Disaster recovery
      1. 1.2.1 High-availability criteria for designing your systems deployment
      2. 1.2.2 Differences in disaster recovery solution tiers
    3. 1.3 Storage replication and mirroring
  5. Chapter 2. Basic concepts
    1. 2.1 High availability and disaster recovery
    2. 2.2 PowerHA architecture
      1. 2.2.1 Reliable Scalable Cluster Technology
      2. 2.2.2 Cluster Aware AIX (CAA)
      3. 2.2.3 Synchronous storage-based mirroring for the repository disk
      4. 2.2.4 PowerHA cluster components
      5. 2.2.5 PowerHA cluster configurations
    3. 2.3 PowerHA SystemMirror in a virtualized environment
      1. 2.3.1 Virtualization in IBM Power Systems
      2. 2.3.2 Important considerations for VIOS
      3. 2.3.3 SAN- or FC-based heartbeat configuration in virtualized environment
  6. Chapter 3. What’s new in IBM PowerHA SystemMirror 7.1.3
    1. 3.1 New features in Version 7.1.3
    2. 3.2 Cluster Aware AIX enhancements
      1. 3.2.1 Unicast clustering
      2. 3.2.2 Dynamic host name change support
      3. 3.2.3 Scalability enhancements
    3. 3.3 Embedded hyphen and leading digit support in node labels
    4. 3.4 Native HTML report
    5. 3.5 Syntactical built-in help
    6. 3.6 Applications supported by Smart Assist
    7. 3.7 Cluster partition (split and merge policies)
      1. 3.7.1 Configuring split and merge policies
      2. 3.7.2 Responding to a cluster that uses a manual split merge policy
  7. Chapter 4. Migration
    1. 4.1 Introduction
    2. 4.2 PowerHA SystemMirror 7.1.3 requirements
      1. 4.2.1 Software requirements
      2. 4.2.2 Hardware requirements
      3. 4.2.3 Deprecated features
      4. 4.2.4 Migration options
      5. 4.2.5 AIX Technology Level (TL) equivalence table
    3. 4.3 clmigcheck explained
    4. 4.4 Migration options
      1. 4.4.1 Legacy rolling migrations to PowerHA SystemMirror 7.1.3
      2. 4.4.2 Rolling migration from PowerHA SystemMirror 6.1 to PowerHA SystemMirror 7.1.3 (AIX 7.1 TL3 or 6.1 TL9)
      3. 4.4.3 Rolling migration from PowerHA SystemMirror 7.1.0 to PowerHA SystemMirror 7.1.3 (AIX 7.1 TL3 or 6.1 TL9)
      4. 4.4.4 Rolling migration from PowerHA SystemMirror 7.1.2 to PowerHA SystemMirror 7.1.3 (AIX 6.1 TL8 or 7.1 TL2)
      5. 4.4.5 Snapshot migration to PowerHA SystemMirror 7.1.3
    5. 4.5 Automate the cluster migration check
      1. 4.5.1 Limitations
      2. 4.5.2 Preparation and check
      3. 4.5.3 Automated snapshot migration steps
      4. 4.5.4 Creating the clmigcheck.txt
      5. 4.5.5 Offline migration to PowerHA SystemMirror 7.1.3
      6. 4.5.6 Non-disruptive migration from SystemMirror 7.1.2 to 7.1.3
      7. 4.5.7 PowerHA SystemMirror 7.1.3 conversion from multicast to unicast
  8. Chapter 5. IBM PowerHA cluster simulator
    1. 5.1 Systems Director overview
      1. 5.1.1 IBM Systems Director components
    2. 5.2 IBM Systems Director PowerHA cluster simulator
      1. 5.2.1 Installing the PowerHA SystemMirror for Systems Director plug-in
      2. 5.2.2 Choosing the mode on which the PowerHA console runs
    3. 5.3 Using SUSE Linux as a KVM guest system
    4. 5.4 Importing configurations from stand-alone systems
      1. 5.4.1 Minimum versions and overview
      2. 5.4.2 Export and import process steps
  9. Chapter 6. Implementing DB2 with PowerHA
    1. 6.1 Introduction to the example scenario
    2. 6.2 Prepare for DB2 v10.5 installation
      1. 6.2.1 Memory parameters
      2. 6.2.2 Network parameters
      3. 6.2.3 Asynchronous I/O operations on AIX
      4. 6.2.4 Paging space area
      5. 6.2.5 DB2 groups and users
      6. 6.2.6 Cluster IP addresses
      7. 6.2.7 Cluster disks, volume groups, and file systems
    3. 6.3 Install DB2 v10.5 on AIX 7.1 TL3 SP1
      1. 6.3.1 Create a sample database for scenario validation
      2. 6.3.2 Validate DB2 accessibility
    4. 6.4 Prepare the cluster infrastructure
      1. 6.4.1 Service IP address on the DB2 PowerHA cluster
      2. 6.4.2 Configure DB2 to work on all cluster nodes
    5. 6.5 Create a PowerHA DB2 cluster
      1. 6.5.1 Create the cluster topology
      2. 6.5.2 Create a DB2 resource group
    6. 6.6 Test DB2 cluster functions
      1. 6.6.1 Test database connectivity on the primary node
      2. 6.6.2 Test the failover to secondary node and validate DB2
  10. Chapter 7. Smart Assist for SAP 7.1.3
    1. 7.1 Introduction to SAP NetWeaver high availability (HA) considerations
      1. 7.1.1 SAP NetWeaver design and requirements for clusters
      2. 7.1.2 SAP HA interface and the SAP HA certification criteria
    2. 7.2 Introduction to Smart Assist for SAP
      1. 7.2.1 SAP HA interface enablement
      2. 7.2.2 Infrastructure design: PowerHA
      3. 7.2.3 Infrastructure design: Smart Assist for SAP
    3. 7.3 Installation of SAP NetWeaver with PowerHA Smart Assist for SAP 7.1.3
      1. 7.3.1 Operating system and PowerHA software
      2. 7.3.2 Storage disk layout for SAP NetWeaver
      3. 7.3.3 Set global required OS and TCP/IP parameters
      4. 7.3.4 PowerHA basic two-node deployment
      5. 7.3.5 OS groups and users for SAP and SAP DB
      6. 7.3.6 IP alias considerations
      7. 7.3.7 Create the file systems for the SAP installation
      8. 7.3.8 Bring the IP and file system resources online
      9. 7.3.9 Final preparation
    4. 7.4 Install SAP NetWeaver as highly available (optional)
      1. 7.4.1 Identify the SAP software and SAP manuals
      2. 7.4.2 Set up the SAP installer prerequisites
      3. 7.4.3 Run the SAP Software Provisioning Manager verification tool
      4. 7.4.4 SAP NetWeaver installation on the primary node
    5. 7.5 Smart Assist for SAP automation
      1. 7.5.1 Prerequisites
      2. 7.5.2 Prepare
      3. 7.5.3 Run Smart Assist for SAP
      4. 7.5.4 Post process
      5. 7.5.5 Customize
    6. 7.6 OS script connector
      1. 7.6.1 Plan
      2. 7.6.2 Install
      3. 7.6.3 Verify
    7. 7.7 Additional preferred practices
      1. 7.7.1 SAP executable resiliency (sapcpe)
      2. 7.7.2 Logging
      3. 7.7.3 Notification
      4. 7.7.4 Monitor node-specific IP aliases for SAP application servers
    8. 7.8 Migration
      1. 7.8.1 Migrating from PowerHA 6.1 to 7.1.3
      2. 7.8.2 Migrating from PowerHA version 7.1.0 or 7.1.2 to version 7.1.3
    9. 7.9 Administration
      1. 7.9.1 Maintenance mode of the cluster
    10. 7.10 Documentation and related information
  11. Chapter 8. PowerHA HyperSwap updates
    1. 8.1 HyperSwap concepts and terminology
    2. 8.2 HyperSwap deployment options
      1. 8.2.1 HyperSwap mirror groups
    3. 8.3 HyperSwap enhancements in PowerHA SystemMirror 7.1.3
    4. 8.4 HyperSwap reference architecture
      1. 8.4.1 In-band storage management
      2. 8.4.2 AIX support for HyperSwap
      3. 8.4.3 AIX view of HyperSwap disks
    5. 8.5 HyperSwap functions on PowerHA SystemMirror 7.1.3, Enterprise Edition
    6. 8.6 Limitations and restrictions
    7. 8.7 HyperSwap environment requirements
    8. 8.8 Planning a HyperSwap environment
    9. 8.9 Configuring HyperSwap for PowerHA SystemMirror
    10. 8.10 HyperSwap storage configuration for PowerHA node cluster
    11. 8.11 HyperSwap Metro Mirror Copy Services configuration
    12. 8.12 HyperSwap PowerHA SystemMirror cluster node configuration
      1. 8.12.1 Change the multipath driver
      2. 8.12.2 Change Fibre Channel controller protocol device attributes
    13. 8.13 Configure disks for the HyperSwap environment
    14. 8.14 Node-level unmanage mode
    15. 8.15 Single-node HyperSwap deployment
      1. 8.15.1 Single-node HyperSwap configuration steps
      2. 8.15.2 Oracle single-instance database with Automatic Storage Management in single-node HyperSwap
    16. 8.16 Dynamically adding new disk in ASM
    17. 8.17 Testing HyperSwap
    18. 8.18 Single-node HyperSwap tests
      1. 8.18.1 Single-node HyperSwap: Planned HyperSwap
      2. 8.18.2 Single-node HyperSwap: Storage migration
      3. 8.18.3 Single-node HyperSwap: Unplanned HyperSwap
    19. 8.19 System mirror group: Single-node HyperSwap
      1. 8.19.1 Planned swap system mirror group
      2. 8.19.2 Unplanned swap of a system mirror group
    20. 8.20 Oracle Real Application Clusters in a HyperSwap environment
      1. 8.20.1 Oracle Real Application Clusters: PowerHA Enterprise Edition stretched cluster configuration
      2. 8.20.2 Adding new disks to the ASM configuration: Oracle RAC HyperSwap
      3. 8.20.3 Planned HyperSwap: Oracle RAC
      4. 8.20.4 Unplanned HyperSwap: Failure of Storage A nodes in Site A
      5. 8.20.5 Unplanned HyperSwap: Storage A unavailable for both sites
      6. 8.20.6 Tie breaker considerations: Oracle RAC in a HyperSwap environment
      7. 8.20.7 Unplanned HyperSwap: Site A failure, Oracle RAC
      8. 8.20.8 CAA dynamic disk addition in a HyperSwap environment
    21. 8.21 Online storage migration: Oracle RAC in a HyperSwap configuration
      1. 8.21.1 Online storage migration for Oracle RAC in a HyperSwap configuration
    22. 8.22 Troubleshooting HyperSwap
  12. Chapter 9. RBAC integration and implementation
    1. 9.1 PowerHA SystemMirror federated security
    2. 9.2 Components and planning
      1. 9.2.1 Components
      2. 9.2.2 Planning
    3. 9.3 Installation and configuration
      1. 9.3.1 Peer-to-peer replicated LDAP server scenario
      2. 9.3.2 External LDAP server scenario
    4. 9.4 Testing and administration
    5. 9.5 Customized method to achieve basic RBAC functions
  13. Chapter 10. Dynamic host name change (host name takeover)
    1. 10.1 Why changing the host name might be necessary
    2. 10.2 Choosing the dynamic host name change type
    3. 10.3 Changing the host name
      1. 10.3.1 Using the command line to change the host name
      2. 10.3.2 Using SMIT to change the host name information
      3. 10.3.3 Cluster Aware AIX (CAA) dependencies
    4. 10.4 Initial setup and configuration
      1. 10.4.1 New system setup
      2. 10.4.2 Adding and configuring PowerHA in an existing environment
    5. 10.5 Temporary host name change
    6. 10.6 Permanent host name change
      1. 10.6.1 Scenario 1: Host name changes but IP address does not
      2. 10.6.2 Scenario 2: Both the host name and IP address change
    7. 10.7 Changing the host name in earlier PowerHA 7.1 versions
    8. 10.8 Migrating a host name takeover environment
    9. 10.9 PowerHA hostname change script
  14. Chapter 11. PowerHA cluster monitoring
    1. 11.1 Obtaining the cluster status
    2. 11.2 Custom monitoring
      1. 11.2.1 Custom example 1: Query HA (qha)
      2. 11.2.2 Custom example 2: Remote multi-cluster status monitor (qha_rmc)
      3. 11.2.3 Custom example 3: Remote SNMP status monitor (liveHA)
    3. 11.3 PowerHA cluster log monitoring
      1. 11.3.1 IBM Tivoli Monitoring agent for UNIX logs
      2. 11.3.2 PowerHA cluster log
      3. 11.3.3 Installing and configuring cluster monitoring
      4. 11.3.4 IBM Tivoli Monitoring situations for PowerHA event monitoring
    4. 11.4 PowerHA cluster SNMP trap monitoring
      1. 11.4.1 IBM Tivoli Universal Agent
      2. 11.4.2 Tivoli Universal Agent data provider
      3. 11.4.3 PowerHA SNMP support
      4. 11.4.4 Installing and configuring PowerHA SNMP trap monitoring
    5. 11.5 SNMPv1 daemon support for PowerHA trap monitoring
      1. 11.5.1 SNMP v1
      2. 11.5.2 SNMP v1 daemon configuration
  15. Appendix A. Repository disk recovery procedure
    1. Outage scenario
    2. Recovering from a failure with PowerHA 7.1.3 and later
    3. Reintegrating a failed node
  16. Appendix B. Custom monitoring scripts
    1. Custom monitoring query script example 1: # qha
    2. Custom monitoring query script example 2: # qha_remote
    3. Custom monitoring query script example 3: # qha_rmc
    4. Custom monitoring query script example 4: # liveHA
    5. PowerHA MIB file
    6. Tivoli Monitoring Universal Agent metafile for PowerHA
    7. Tivoli Monitoring Universal Agent TRAPCNFG for PowerHA SNMP monitoring
  17. Related publications
    1. IBM Redbooks
    2. Other publications
    3. Online resources
    4. Help from IBM
  18. Back cover
  19. 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
  20. Notices
    1. Trademarks