Monitoring the Operational State 

You can use the Database Manager GUI to monitor the operational state of each database instance.

Prerequisites

       1.      Make sure that the database instance has been included in the list of database instances (see Managing the List of Database Instances).

       2.      Connect to the DBM server.

Displaying the Operational State

Check the indicator assigned to the general icon for the database instance in the list of database instances.

You can use displays View ® Large Icons/Small Icons/List for this purpose.

	General database instance icon
	Database instance is in the OFFLINE operational state
	Database instance is in the ADMIN operational state
	Database instance is in the ONLINE operational state

Hot standby database instances have the following icons:

	Master instance or standby instance is in the OFFLINE operational state.
	Master instance is in the ADMIN operational state or standby instance is in the STANDBY operational state.
	Master instance is in the ONLINE operational state.

Changing the Operational State

Select a database instance in the list of database instances by double-clicking it.

Choose Actions ® OFFLINE / ADMIN / ONLINE to change to the relevant operational state.

You cannot change the operational state of standby instances in a hot standby system directly. Standby instances are controlled by the master instance.

See also:

Starting (Restarting) the Database Instance

Stopping the Database Instance (Shutdown)