Book description
This IBM® Redbooks® publication helps you install, tailor, and configure the new IBM PowerHA® SystemMirror® for AIX® 7.1.1 Standard Edition. This book gives an understanding of the Cluster Aware AIX (CAA). This book helps you design a solution to migrate from the previous version of the IBM PowerHA.
This IBM Redbooks publication is targeted toward technical professionals (consultants, technical support staff, IT architects, and IT specialists) responsible for providing continuous availability solutions and support.
Table of contents
- Notices
- Preface
- Chapter 1: Introducing IBM PowerHA SystemMirror 7.1.1
-
Chapter 2: Cluster Aware AIX
- Introduction
-
Changes and new features
- Changes
- Security
- Deadman switch (DMS)
- The central repository disk
- CAA and the IBM solidDB
- Repository disk for third-party multipathing
- Repository disk resiliency
- CAA configuration changes are synchronous
- CAA start and stop commands
- CAA tunables
- Troubleshooting CAA
- Statistics
- Gathering more cluster information
- CAA cluster commands and force option
- Restricting interfaces from clustering use (1/2)
- Restricting interfaces from clustering use (2/2)
- VLAN tagging
- Round-trip time and heartbeats
- End-to-end monitoring
- CAA daemons
- CAA multicast
-
Chapter 3: PowerHA 7.1.1 basic installation and configuration
- Introduction
- Designing your cluster
- Hardware requirements
- Important considerations for VIOS
-
Networking
- PowerHA network
- Number of Ethernet adapters per node per network
- Service network
- Private network
- Service address
- Persistent address
- Base addresses
- Why use different subnets for the two base IP addresses
- Hostname and node name
- IP subnet rules
- Multicast heartbeat
- Netmon.cf file
- Netmon.cf file configuration for virtual Ethernet environment
- Firewalls
- Disk considerations
-
PowerHA SystemMirror installation and prerequisites
- Our sample cluster
- Starting point for the installation
- Base adapter network setup
- Persistent IP and default gateway setup
- Setting up the hostname
- Preparing the /etc/hosts file and changing the name resolution order
- Check your network settings
- Time synchronization
- Installing the AIX prerequisites
- Installing the latest AIX fixes
- Setting up the required SAN zones for SAN-based heartbeat
- Configuring the physical FC adapters for SAN-based heartbeat
- Configuring SAN heartbeating in a virtual environment
- Shared storage
- Installing PowerHA filesets
- Installing PowerHA fixes
-
Configuring PowerHA SystemMirror topology
- Propagating the /etc/cluster/rhosts file
- Configuring the netmon.cf file
- Initial cluster setup
- Defining the repository disk
- Adding persistent IP labels
- Checking the cluster topology information
- Verifying and synchronizing the cluster topology
- Checking the CAA cluster
- If a problem occurs during the initial cluster configuration
-
Configuring PowerHA resources
- Configuring the service IP labels
- Configuring the service IP address distribution preference
- Verifying the service IP settings
- Creating the resource group
- Adding resources and attributes for the resource groups
- NFS cross mount
- Checking the cluster resources
- Verifying and synchronizing the cluster resource configuration
- Starting the cluster
- Verifying PowerHA services
- Testing the cluster functionality without an application
- Stopping the cluster
-
Configuring the application for PowerHA
- Creating the application startup and shutdown scripts
- Creating the application monitoring scripts
- Configuring the application control scripts in PowerHA
- Configuring the application monitor in PowerHA
- Add the application to the resource groups
- Cluster verification and synchronization
- Checking the application integration
- Dynamic LPAR and capacity on demand resources
- Test scenarios
-
Troubleshooting
- Cluster start-up problems
- Resource group errors
- Recovering from a script error
- Releasing locks that are set by dynamic reconfiguration
- Comparing active and default configurations
- Restoring the PowerHA SystemMirror configuration database from the active configuration
- The hacmp.out file
- Application monitoring log files
- Other log files
- Contacting IBM support
- Collecting PowerHA snap
-
Chapter 4: Cluster administration
- Introduction
- AIX and PowerHA SystemMirror service pack upgrade
- Reconfiguring the cluster online
- Verifying the cluster automatically
- Regularly testing your cluster
- Backing up the cluster configuration
- Monitoring the cluster
- Resource group and application management
- New application controller foreground startup
-
Disk management in PowerHA SystemMirror
- Adding a disk to the cluster nodes
- Creating a shared volume group
- Adding a disk to a shared volume group
- Importing a shared volume group
- Adding a logical volume
- Increasing the size of a logical volume
- Changing a logical volume
- Adding a file system
- Increasing the size of a file system
- Mirroring a logical volume
- Mirroring a volume group
- Synchronizing the LVM mirror
- Unmirroring a logical volume
- Unmirroring a volume group
- Removing a file system
- Removing a logical volume
- Removing a physical disk from a shared volume group
- Replacing a cluster disk
- Removing a volume group
- Showing the disk UUID
- Renaming a physical volume
-
Cross-site mirroring and AIX LVM Mirror pools
- Introducing PowerHA with Cross-site mirroring
- The multiple storage mirroring problem
- Assigning the mirror pool names
- Extending a volume group
- Checking the mirror pool assignments
- Creating a mirrored logical volume with mirror pools
- Mirroring a volume group
- Mirroring a logical volume by using mirror pools
- Critical volume groups (voting disks) for Oracle RAC
- File collections
- Replacing the repository disk
-
C-SPOC cluster user and group management
- Setting up cluster-wide password management with C-SPOC
- Enabling cluster-wide password management for a user
- Listing users to use cluster-wide password management
- Adding a user to the cluster
- Changing a cluster user
- Removing a user from the cluster
- Listing users in the cluster
- Adding a group in the cluster
- Changing a group in the cluster
- Removing a group from the cluster
- Listing groups from the cluster
- Changing a user password in the cluster
- Changing your password in the cluster
- Federated security for cluster-wide security management
- IBM System Director plug-in update
- Chapter 5: Smart Assists for PowerHA SystemMirror
-
Chapter 6: Migration scenarios
- Considerations before you migrate to PowerHA 7.1.1
-
Migration from pre-7.1 versions
- Requirements
- Stages of migration and the clmigcheck command
- Offline migration from PowerHA 5.5 (1/4)
- Offline migration from PowerHA 5.5 (2/4)
- Offline migration from PowerHA 5.5 (3/4)
- Offline migration from PowerHA 5.5 (4/4)
- Snapshot migration from PowerHA 5.5 (1/3)
- Snapshot migration from PowerHA 5.5 (2/3)
- Snapshot migration from PowerHA 5.5 (3/3)
- Rolling migration from PowerHA 6.1 (1/6)
- Rolling migration from PowerHA 6.1 (2/6)
- Rolling migration from PowerHA 6.1 (3/6)
- Rolling migration from PowerHA 6.1 (4/6)
- Rolling migration from PowerHA 6.1 (5/6)
- Rolling migration from PowerHA 6.1 (6/6)
- Migration from PowerHA 7.1.0
-
Chapter 7: IBM PowerHA SystemMirror Smart Assist for SAP
- PowerHA SystemMirror Smart Assist for SAP
- Standard steps for all clusters in this chapter
-
Simple cluster solution with IBM PowerHA SystemMirror Smart Assist for monolithic installed SAP systems
- Overview
- Installation and configuration steps before you use Smart Assist for SAP (1/2)
- Installation and configuration steps before you use Smart Assist for SAP (2/2)
- Starting Smart Assist for SAP: Global file system (NFS)
- Alternative B only: Starting Smart Assist for SAP with the database instance
- Starting Smart Assist for SAP: Application server instance (AS)
- Completing the configuration
- Scenario for a complete SAP and liveCache environment
-
Cluster 1: SAP Supply Chain Management
- Overview
- Installation and configuration steps before you use Smart Assist for SAP (1/3)
- Installation and configuration steps before you use Smart Assist for SAP (2/3)
- Installation and configuration steps before you use Smart Assist for SAP (3/3)
- Starting the Smart Assist for SAP: Global file system (GFS) (1/2)
- Starting the Smart Assist for SAP: Global file system (GFS) (2/2)
- Starting Smart Assist for SAP: Central services (SCS)
- Starting Smart Assist for SAP: Enqueue replication server instance (ERS)
- Starting Smart Assist for SAP: Application server instance (AS)
- Completing the configuration (1/2)
- Completing the configuration (2/2)
- Cluster 2: Database instance
-
Cluster 3: liveCache
- Overview
- Prerequisites for the hot-standby liveCache Smart Assist
- PowerHA SystemMirror supported disk configurations
- Installation and configuration steps before you use Smart Assist for MaxDB
- Preliminary steps
- Starting SAP liveCache Hot Standby Wizard
- Configuring the cluster by using the Smart Assist
- Verifying the Smart Assist settings
- Completing the configuration
-
DB2 HADR cluster solution
- Overview
- Installation and configuration steps before you set up PowerHA
- Installing the DB2 HADR database instance
- Configuring the DB2 fault monitor
- Configuring the base IBM PowerHA SystemMirror
- Cluster configuration (1/3)
- Cluster configuration (2/3)
- Cluster configuration (3/3)
- Completing the configuration
- Chapter 8: Workload partition and PowerHA scenario
- Appendix A: AIX upgrades and PowerHA SystemMirror 7.1.0
- Appendix B: Configuring the PowerHA cluster by using clmgr
- Appendix C: Creating the hardware environment by using command-line tools
- Appendix D: Replacing the failed repository disk if any nodes are not joined to the cluster
-
Appendix E: IBM PowerHA SystemMirror Smart Assist for SAP additional materials for Chapter 7
- Scripts to create the SAP users
- Script to create users and groups for sapsma_cluster
- Script to create users and groups for sapci_cluster, sapdb_cluster, and saplc_cluster
- Scripts to create the volume groups, logical volumes, and file systems
-
SAPinst installation
- sapci_cluster: Installing the SAP ASCS instance on the first node
- sapdb_cluster: Installing the SAP database instance on the first node (1/2)
- sapdb_cluster: Installing the SAP database instance on the first node (2/2)
- sapci_cluster: Installing the SAP Enqueue Replication Service (ERS) instance on the second node
- sapci_cluster: Installing the SAP central instance on the first node (1/2)
- sapci_cluster: Installing the SAP central instance on the first node (2/2)
- saplc_cluster: Installing the SAP liveCache in the first node (1/2)
- saplc_cluster: Installing the SAP liveCache in the first node (2/2)
- sapdbhr_cluster: Installing DB2 high availability disaster recovery
- Cluster scripts for DB2 HADR
- Appendix F: PowerHA and workload partition examples
- Related publications
- Back cover
Product information
- Title: IBM PowerHA SystemMirror Standard Edition 7.1.1 for AIX Update
- Author(s):
- Release date: October 2012
- Publisher(s): IBM Redbooks
- ISBN: None
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