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    • 9.2.2
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    InfoScale

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    • InfoScale 9.2.0 Cluster Server Configuration and Upgrade Guide - AIX
    • Section I. Configuring Cluster Server using the script-based installer
      • I/O fencing requirements
        • I/O fencing requirements
          • Coordinator disk requirements for I/O fencing
          • CP server requirements
          • Non-SCSI-3 I/O fencing requirements
      • Preparing to configure VCS clusters for data integrity
        • About planning to configure I/O fencing
          • Typical VCS cluster configuration with disk-based I/O fencing
          • Recommended CP server configurations
        • Setting up the CP server
          • Planning your CP server setup
          • Installing the CP server using the installer
          • Setting up shared storage for the CP server database
          • Configuring the CP server using the installer program
          • Configuring the CP server manually
            • Configuring the CP server manually for HTTPS-based communication
            • Generating the key and certificates manually for the CP server
            • Completing the CP server configuration
          • Configuring CP server using response files
            • Response file variables to configure CP server
            • Sample response file for configuring the CP server on single node VCS cluster
            • Sample response file for configuring the CP server on SFHA cluster
          • Verifying the CP server configuration
      • Configuring VCS
        • Overview of tasks to configure VCS using the product installer
        • Starting the software configuration
        • Specifying systems for configuration
        • Configuring the cluster name
        • Configuring private heartbeat links
        • Configuring the virtual IP of the cluster
        • Configuring VCS in secure mode
        • Setting up trust relationships for your VCS cluster
        • Configuring a secure cluster node by node
          • Configuring the first node
          • Configuring the remaining nodes
          • Completing the secure cluster configuration
        • Adding VCS users
        • Configuring SMTP email notification
        • Configuring SNMP trap notification
        • Configuring global clusters
        • Completing the VCS configuration
        • About the License Audit Tool
        • Verifying and updating licenses on the system
          • Checking licensing information on the system
          • Replacing a VCS keyless license with another keyless license
          • Replacing a VCS keyless license with a permanent license
      • Configuring VCS clusters for data integrity
        • Setting up disk-based I/O fencing using installer
          • Initializing disks as VxVM disks
          • Configuring disk-based I/O fencing using installer
          • Refreshing keys or registrations on the existing coordination points for disk-based fencing using the installer
          • Checking shared disks for I/O fencing
            • Verifying Array Support Library (ASL)
            • Verifying that the nodes have access to the same disk
            • Testing the disks using vxfentsthdw utility
        • Setting up server-based I/O fencing using installer
          • Refreshing keys or registrations on the existing coordination points for server-based fencing using the installer
          • Setting the order of existing coordination points for server-based fencing using the installer
            • About deciding the order of existing coordination points
            • Setting the order of existing coordination points using the installer
        • Setting up non-SCSI-3 I/O fencing in virtual environments using installer
        • Setting up majority-based I/O fencing using installer
        • Enabling or disabling the preferred fencing policy
    • Section III. Manual configuration
      • Manually configuring VCS
        • About configuring VCS manually
        • Configuring LLT manually
          • Setting up /etc/llthosts for a manual installation
          • Setting up /etc/llttab for a manual installation
          • About LLT directives in /etc/llttab file
          • Additional considerations for LLT for a manual installation
        • Configuring GAB manually
        • Configuring VCS manually
          • Configuring the cluster UUID when creating a cluster manually
        • Configuring VCS in single node mode
          • Disabling LLT, GAB, and I/O fencing on a single node cluster
            • Disabling LLT, GAB, and I/O fencing
          • Enabling LLT, GAB, and I/O fencing
        • Starting LLT, GAB, and VCS after manual configuration
        • About configuring cluster using VCS Cluster Configuration wizard
        • Before configuring a VCS cluster using the VCS Cluster Configuration wizard
        • Launching the VCS Cluster Configuration wizard
        • Configuring a cluster by using the VCS cluster configuration wizard
        • Adding a system to a VCS cluster
        • Modifying the VCS configuration
          • Configuring the ClusterService group
      • Manually configuring the clusters for data integrity
        • Setting up disk-based I/O fencing manually
          • Identifying disks to use as coordinator disks
          • Setting up coordinator disk groups
          • Creating I/O fencing configuration files
          • Modifying VCS configuration to use I/O fencing
          • Verifying I/O fencing configuration
        • Setting up server-based I/O fencing manually
          • Preparing the CP servers manually for use by the VCS cluster
          • Generating the client key and certificates manually on the client nodes
          • Configuring server-based fencing on the VCS cluster manually
            • Sample vxfenmode file output for server-based fencing
          • Configuring CoordPoint agent to monitor coordination points
          • Verifying server-based I/O fencing configuration
        • Setting up non-SCSI-3 fencing in virtual environments manually
          • Sample /etc/vxfenmode file for non-SCSI-3 fencing
        • Setting up majority-based I/O fencing manually
          • Creating I/O fencing configuration files
          • Modifying VCS configuration to use I/O fencing
          • Verifying I/O fencing configuration
          • Sample /etc/vxfenmode file for majority-based fencing
    • Section IV. Upgrading VCS
      • Planning to upgrade VCS
        • About upgrading to VCS 9.2.0
        • Upgrading VCS in secure enterprise environments
        • Considerations for upgrading secure VCS 7.4.x clusters to VCS 9.2.0
        • Considerations for upgrading VCS to 9.2.0 on systems configured with an Oracle resource
        • Considerations for upgrading CP servers
        • Considerations for upgrading CP clients
        • Considerations for upgrading REST server
        • Using Install Bundles to simultaneously install or upgrade full releases (base, maintenance, rolling patch), and individual patches
      • Performing a VCS upgrade using the installer
        • Before upgrading VCS using the script-based installer
        • Upgrading VCS using the product installer
        • Upgrading to 2048 bit key and SHA256 signature certificates
        • Tasks to perform after upgrading to 2048 bit key and SHA256 signature certificates
          • Deleting certificates of non-root users after upgrading to 2048 bit key and SHA256 signature certificates
          • Re-establishing WAC communication in global clusters after upgrading to 2048 bit key and SHA256 signature certificates
          • Re-establishing CP server and CP client communication after upgrading to 2048 bit key and SHA256 signature certificates
          • Re-establishing trust with Steward after upgrading to 2048 bit key and SHA256 signature certificates
        • Upgrading Steward to 2048 bit key and SHA256 signature certificates
      • Performing an online upgrade
        • Limitations of online upgrade
        • Upgrading VCS online using the installer
      • Performing a phased upgrade of VCS
        • About phased upgrade
          • Prerequisites for a phased upgrade
          • Planning for a phased upgrade
          • Phased upgrade limitations
          • Phased upgrade example
          • Phased upgrade example overview
        • Performing a phased upgrade using the product installer
          • Moving the service groups to the second subcluster
          • Upgrading the operating system on the first subcluster
          • Upgrading the first subcluster
          • Preparing the second subcluster
          • Activating the first subcluster
          • Upgrading the operating system on the second subcluster
          • Upgrading the second subcluster
          • Finishing the phased upgrade
      • Performing an automated VCS upgrade using response files
        • Upgrading VCS using response files
        • Response file variables to upgrade VCS
        • Sample response file for full upgrade of VCS
    • Section V. Adding and removing cluster nodes
      • Adding a node to a single-node cluster
        • Adding a node to a single-node cluster
          • Setting up a node to join the single-node cluster
            • Installing VxVM or VxFS if necessary
          • Installing and configuring Ethernet cards for private network
          • Configuring the shared storage
          • Bringing up the existing node
          • Creating configuration files
          • Starting LLT and GAB
          • Reconfiguring VCS on the existing node
          • Verifying configuration on both nodes
      • Adding a node to a multi-node VCS cluster
        • Adding nodes using the VCS installer
        • Manually adding a node to a cluster
          • Setting up the hardware
          • Installing the VCS software manually when adding a node
          • Setting up the node to run in secure mode
            • Configuring the authentication broker on node sys5
          • Configuring LLT and GAB when adding a node to the cluster
          • Configuring I/O fencing on the new node
            • Preparing to configure I/O fencing on the new node
            • Configuring server-based fencing on the new node
              • Adding the new node to the vxfen service group
            • Starting I/O fencing on the new node
          • Adding the node to the existing cluster
          • Starting VCS and verifying the cluster
          • Adding a node using response files
            • Response file variables to add a node to a VCS cluster
            • Sample response file for adding a node to a VCS cluster
      • Removing a node from a VCS cluster
        • Removing a node from a VCS cluster
          • Verifying the status of nodes and service groups
          • Deleting the departing node from VCS configuration
          • Modifying configuration files on each remaining node
          • Removing the node configuration from the CP server
          • Removing security credentials from the leaving node
          • Unloading LLT and GAB and removing InfoScale Availability or Enterprise on the departing node
    • Section VI. Installation reference
      • Services and ports
        • About InfoScale Enterprise services and ports
      • Configuration files
        • About the LLT and GAB configuration files
        • About the AMF configuration files
        • About the VCS configuration files
          • Sample main.cf file for VCS clusters
          • Sample main.cf file for global clusters
        • About I/O fencing configuration files
        • Sample configuration files for CP server
          • Sample main.cf file for CP server hosted on a single node that runs VCS
          • Sample main.cf file for CP server hosted on a two-node SFHA cluster
          • Sample CP server configuration (/etc/vxcps.conf) file output
        • Tuning LLT variables for FSS environments
          • Tuning LLT variables for Ethernet links
      • Configuring LLT over UDP
        • Using the UDP layer for LLT
          • When to use LLT over UDP
        • Manually configuring LLT over UDP using IPv4
          • Broadcast address in the /etc/llttab file
          • The link command in the /etc/llttab file
          • The set-addr command in the /etc/llttab file
          • Selecting UDP ports
          • Configuring the netmask for LLT
          • Configuring the broadcast address for LLT
          • Sample configuration- direct-attached links
          • Sample configuration- links crossing IP routers
        • Manually configuring LLT over UDP using IPv6
          • The link command in the /etc/llttab file
          • The set-addr command in the /etc/llttab file
          • Selecting UDP ports
          • Sample configuration- direct-attached links
          • Sample configuration- links crossing IP routers
        • LLT over UDP sample /etc/llttab
      • Migrating LLT links from IPv4 to IPv6 or dual-stack
        • About migrating the LLT links from IPv4 to IPv6 or to a dual-stack network
        • Review the current configuration
        • Meet the prerequisites for migration
        • Adding a new node to an existing cluster
        • Migrating LLT links to IPv6 or dual-stack when LLT is configured over UDP using IPv4
      • Configuring the secure shell or the remote shell for communications
        • About configuring secure shell or remote shell communication modes before installing products
        • Manually configuring passwordless ssh
        • Setting up ssh and rsh connection using the installer -comsetup command
        • Setting up ssh and rsh connection using the pwdutil.pl utility
        • Restarting the ssh session
        • Enabling rsh for AIX
      • Installation script options
        • Installation script options
      • Troubleshooting VCS configuration
        • Restarting the installer after a failed network connection
        • Cannot launch the cluster view link
        • Starting and stopping processes for the InfoScale products
        • Installer cannot create UUID for the cluster
        • LLT startup script displays errors
        • The vxfentsthdw utility fails for Active/Passive arrays when you test disks in raw format
        • The vxfentsthdw utility fails when SCSI TEST UNIT READY command fails
        • Issues during fencing startup on VCS cluster nodes set up for server-based fencing
      • Sample VCS cluster setup diagrams for CP server-based I/O fencing
        • Configuration diagrams for setting up server-based I/O fencing
          • Two unique client clusters served by 3 CP servers
          • Client cluster served by highly available CPS and 2 SCSI-3 disks
          • Two node campus cluster served by remote CP server and 2 SCSI-3 disks
          • Multiple client clusters served by highly available CP server and 2 SCSI-3 disks
      • Changing NFS server major numbers for VxVM volumes
        • Changing NFS server major numbers for VxVM volumes
      • Upgrading the Steward process
        • Upgrading the Steward process
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    InfoScale 9.2.0 Cluster Server Configuration and Upgrade Guide - AIX
    Section VI. Installation reference

    Section VI. Installation reference

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    Last published : Sep 11, 2026
    Related information
    Services and portsConfiguration filesConfiguring LLT over UDPMigrating LLT links from IPv4 to IPv6 or dual-stackConfiguring the secure shell or the remote shell for communicationsInstallation script optionsTroubleshooting VCS configurationSample VCS cluster setup diagrams for CP server-based I/O fencingChanging NFS server major numbers for VxVM volumesUpgrading the Steward process

    Installation reference

    This section includes the following topics:
    • Services and ports
    • Configuration files
    • Configuring LLT over UDP
    • Migrating LLT links from IPv4 to IPv6 or dual-stack
    • Configuring the secure shell or the remote shell for communications
    • Installation script options
    • Troubleshooting VCS configuration
    • Sample VCS cluster setup diagrams for CP server-based I/O fencing
    • Changing NFS server major numbers for VxVM volumes
    • Upgrading the Steward process

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