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Updating Workload Balancing credentials

June 3, 2019
Contributed by:  C

After initial configuration, if you need to update the credentials XenServer and the Workload Balancing appliance use to communicate, you can do so using a three-step process:

  1. Disconnect from Workload Balancing, as described below.
  2. Change the WLB credentials by editing the WlbConfig file (run the WlbConfig command in the console on the Workload Balancing virtual appliance). See the Workload Balancing Administrator’s Guide for details.
  3. Reenable Workload Balancing and specify the new credentials, as described below.

Situations when you may want to use these steps include:

  • If you need to change the user account XenServer uses to communicate with Workload Balancing
  • If you receive an error message that the Workload Balancing credentials are no longer valid
  • If the service is unavailable

If you want to modify settings for thresholds and change the priority given to specific resources, see Editing Workload Balancing Settings.

To disconnect from Workload Balancing

  1. In the Resource pane of XenCenter, select the resource pool on which you want to stop Workload Balancing.
  2. From the Pool menu, select Disconnect Workload Balancing Server. The Disconnect Workload Balancing dialog box appears.
  3. Click Disconnect to permanently stop Workload Balancing from monitoring the pool.

To reenable Workload Balancing and specify the new credentials

  1. After the progress bar completes, click Connect. The Connect to WLB Server dialog box appears.
  2. Click Update Credentials.
  3. In the Server Address section, modify the following as desired:
    • In the Address box, type the IP address or FQDN of the Workload Balancing appliance.

    • (Optional.) If you changed the port number during Workload Balancing Configuration, enter that port number. The port number you specify in this box and during Workload Balancing Configuration is the port number XenServer uses to connect to Workload Balancing.

      By default, XenServer connects to Workload Balancing on port 8012.

      Note: Do not edit this port number unless you have changed it during Workload Balancing Setup. The port number value specified during Setup and in the Workload Balancing Configuration dialog must match.

  4. In the WLB Server Credentials section, enter the user name (for example, wlbuser) and password the computers running XenServer will use to connect to the Workload Balancing server.
  5. In the XenServer Credentials section, enter the user name and password for the pool you are configuring (typically the password for the pool master). Workload Balancing will use these credentials to connect to the computers running XenServer in that pool. To use the credentials with which you are currently logged into XenServer, select the Use the current XenCenter credentials check box.

Updating Workload Balancing credentials

June 3, 2019
Contributed by:  C

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