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Tivoli Storage Manager for UNIX Backup-Archive Clients Installation and User's Guide


Defining the Client as an HACMP Application

The Tivoli Storage Manager client must be defined as an application to HACMP to participate in failover processing. See HACMP for AIX 4.4.1 Installation Guide, SC23-4278, for detailed instructions on how to perform this procedure. Following is a summary of this procedure:

  1. Start HACMP for AIX system management with the following command:
    smit hacmp
    
  2. Select Cluster Configuration, Cluster Resources, Define Application Servers, and Add an Application Server.
  3. Enter the following field values:

    Server Name
    Enter an ASCII text string that identifies the server. You use this name to refer to the application server when you define it as a resource during node configuration. The server name can include alphabetic and numeric characters and underscores. Use no more than 31 characters.

    Start Script
    Enter the full path name of the script that starts the server. This script is called by the cluster event scripts and must reside on a local disk. This script must be in the same location on each cluster node that might start the server. The start script is used in the following cases:
    1. when HACMP is started and resource groups are activated
    2. when a failover occurs and the resource group is started on another node
    3. when fallback occurs (a failed node re-enters the cluster) and the resource group is transferred back to the node re-entering the cluster.

    A sample start script (StartClusterTsmClient.sh.smp) is provided in the /usr/tivoli/tsm/client/ba/bin directory.

    Stop Script
    Enter the full path name of the script that stops the server. This script is called by the cluster event scripts and must reside on a local disk. This script must be in the same location on each cluster node that might stop the server. The stop script is used in the following cases:
    1. when HACMP is stopped
    2. when a failover occurs due to a component failure in a resource group, the other members are stopped so that the entire group can be restarted on the target node in the failover
    3. when a fallback occurs and the resource group is stopped on the node currently hosting it to allow transfer back to the node re-entering the cluster.

    A sample stop script (StopClusterTsmClient.sh.smp) is provided in the /usr/tivoli/tsm/client/ba/bin directory.

  4. Press Enter to add your information to the HACMP for AIX.
  5. Press F10 after the command completes to exit smit and return to the command line. Press F3 to perform other configuration tasks.

The Tivoli Storage Manager client must be in a resource group with a cascading or rotating takeover relationship. The client does not support a concurrent access resource group. See HACMP for AIX 4.4.1 Planning Guide, SC23-4277, for additional information regarding HACMP topology and strategy.


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