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Clusters: Configuration: Migration

Configuration Options     Related Tasks     Related Topics

If a clustered server fails, Node Manager can automatically restart the server and its services on another machine. This page allows you to specify the machines where Node Manager can restart migratable servers and to specify the cluster-wide data source and table that provides access to session data.

Configuration Options

Name Description
Candidate Machines For Migratable Servers

The set of machines (and order of preference) on which Node Manager will restart failed servers. (Requires you to enable each server for automatic migration.)

Each server can specify a subset of these cluster-wide candidates, which limits the machines on which the server can be restarted. Servers can also specify their own order of preference.

MBean Attribute:
ClusterMBean.CandidateMachinesForMigratableServers

Changes take effect after you redeploy the module or restart the server.

Data Source For Automatic Migration

The data source that servers in the cluster use to restore session data after being automatically restarted (migrated) on another machine by Node Manager. (Requires you to configure each Migratable Server with this data source.)

MBean Attribute:
ClusterMBean.DataSourceForAutomaticMigration

Changes take effect after you redeploy the module or restart the server.

Auto Migration Table Name

Return the name of the table to be used for server migration.

MBean Attribute:
ClusterMBean.AutoMigrationTableName

Changes take effect after you redeploy the module or restart the server.

Related Tasks

Related Topics

 

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