Changing Active/Passive Settings

All cluster members are added to a cluster with the ClusterCATS Server in Active state by default. In Active state, ClusterCATS Servers intercept requests to your Web resources and provide availability and failover services. From time to time, you may want to turn off these load balancing and failover services to help you troubleshoot problems. To do this, change the ClusterCATS Server's state from Active to Passive. In Passive state, ClusterCATS Servers do not actively manage load nor protect against resource failures. Any HTTP requests sent to a server that is in the Passive state are passed directly to the Web server without any ClusterCATS Server processing.

Changing active/passive settings in Windows

To change a cluster member's state:

  1. Open the ClusterCATS Explorer and select a cluster member.
  2. Select Configure > State. Alternatively, you can right-click the cluster member and select Configure > State.

    The Server Properties dialog box appears:

  3. To have the ClusterCATS Server ignore incoming HTTP requests and pass them directly to the Web server, select the Passive Member option.
  4. To have ClusterCATS Servers intercept requests to your Web resources, select the Active Member option.
  5. Click OK to apply your changes.

    The color of the cluster member's icon in the ClusterCATS Explorer turns white, indicating that the cluster is passive.

  6. Repeat steps 1 through 5 to change other members in the cluster.

Changing active/passive settings in UNIX

To change a cluster member's state:

  1. Open ClusterCATS Web Explorer if it is not already open.
  2. Click the Show Cluster link.

    The Show Cluster page appears.

  3. Enter the fully qualified host name of the server in the Web Server Name field.
  4. Click OK.

    The Cluster Member List page appears.

  5. Click the Server Attributes link under Other.

    The Connect To Server page appears.

  6. Select the server you want to connect to from the Web Server Name drop-down box.
  7. Click OK.

    The selected server's Properties page appears.

  8. Click the Administration link.

    The Server Administration page appears for the selected server.

  9. To have the ClusterCATS Server ignore incoming HTTP requests and pass them directly to the Web server, select Passive from the State drop-down box.
  10. To have ClusterCATS Servers intercept requests to your Web resources, select Active from the State drop-down box.
  11. Click OK.