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Configure server migration in a cluster

Before you begin

Ensure that you have created a machine and have assigned managed servers to it. For more information on configuring a machine, see Create and configure machines. For more information on assigning servers to a machine, see Assign server instances to machines.

Ensure that you have configured Node Manager and that you have enabled automatic migration for at least one clustered server. For more information, see Node Manager Administrator's Guide.

Also ensure that you have configured a data source that can be used by each migratable server to restore session data after being restarted on another machine. You must configure each migratable server in the cluster with this data source. For more information on configuring a data source, see Configure JDBC data sources.

  1. If you have not already done so, in the Change Center of the Administration Console, click Lock & Edit (see Use the Change Center).
  2. In the Administration Console, expand Environment and select Clusters.
  3. Click the name of a cluster for which you want to configure migration.
  4. Click the Migration tab.
  5. In the Available field, select the machine you want to allow migration to and click the right arrow. Repeat this step for each machine.
  6. Select the data source used for automatic migration.
  7. Click Save.
  8. To activate these changes, in the Change Center of the Administration Console, click Activate Changes.
    Not all changes take effect immediately—some require a restart (see Use the Change Center).

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