3.5. Configuring Fence Devices

Configuring fence devices consists of creating, modifying, and deleting fence devices. Creating a fence device consists of selecting a fence device type and entering parameters for that fence device (for example, name, IP address, login, and password). Modifying a fence device consists of selecting an existing fence device and changing parameters for that fence device. Deleting a fence device consists of selecting an existing fence device and deleting it.

Note

If you are creating a new cluster, you can create fence devices when you configure cluster nodes. Refer to Section 3.6, “Configuring Cluster Members”.
With Conga you can create shared and non-shared fence devices. For information on supported fence devices and their parameters, refer to Appendix B, Fence Device Parameters.
This section provides procedures for the following tasks:
The starting point of each procedure is at the cluster-specific page that you navigate to from Choose a cluster to administer displayed on the cluster tab.

3.5.1. Creating a Shared Fence Device

To create a shared fence device, follow these steps:
  1. At the detailed menu for the cluster (below the clusters menu), click Shared Fence Devices. Clicking Shared Fence Devices causes the display of the fence devices for a cluster and causes the display of menu items for fence device configuration: Add a Fence Device and Configure a Fence Device.

    Note

    If this is an initial cluster configuration, no fence devices have been created, and therefore none are displayed.
  2. Click Add a Fence Device. Clicking Add a Fence Device causes the Add a Sharable Fence Device page to be displayed (refer to Figure 3.1, “Fence Device Configuration”).
    Fence Device Configuration

    Figure 3.1. Fence Device Configuration

  3. At the Add a Sharable Fence Device page, click the drop-down box under Fencing Type and select the type of fence device to configure.
  4. Specify the information in the Fencing Type dialog box according to the type of fence device. Refer to Appendix B, Fence Device Parameters for more information about fence device parameters.
  5. Click Add this shared fence device.
    Clicking Add this shared fence device causes a progress page to be displayed temporarily. After the fence device has been added, the detailed cluster properties menu is updated with the fence device under Configure a Fence Device.

3.5.2. Modifying or Deleting a Fence Device

To modify or delete a fence device, follow these steps:
  1. At the detailed menu for the cluster (below the clusters menu), click Shared Fence Devices. Clicking Shared Fence Devices causes the display of the fence devices for a cluster and causes the display of menu items for fence device configuration: Add a Fence Device and Configure a Fence Device.
  2. Click Configure a Fence Device. Clicking Configure a Fence Device causes the display of a list of fence devices under Configure a Fence Device.
  3. Click a fence device in the list. Clicking a fence device in the list causes the display of a Fence Device Form page for the fence device selected from the list.
  4. Either modify or delete the fence device as follows:
    • To modify the fence device, enter changes to the parameters displayed. Refer to Appendix B, Fence Device Parameters for more information about fence device parameters. Click Update this fence device and wait for the configuration to be updated.
    • To delete the fence device, click Delete this fence device and wait for the configuration to be updated.

      Note

      You can create shared fence devices on the node configuration page, also. However, you can only modify or delete a shared fence device via Shared Fence Devices at the detailed menu for the cluster (below the clusters menu).