You can use the Database Manager GUI to monitor the operational state of each database instance.
1. Make sure that the database instance has been included in the list of database instances (see Managing the List of Database Instances).
2. Set up the connection to the DBM server.
Check the indicator assigned to the general icon for the database instance in the list of database instances.
You can use the displays View ® Large Icons/Small Icons/List.
General icon for a database instance |
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Database instance is in the OFFLINE operational state. |
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Database instance is in the ADMIN operational state. |
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Database instance is in the ONLINE operational state. |
Hot standby database instances have the following icons:
Master component or standby component is in the OFFLINE operational state. |
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Master component is in the ADMIN operational state or standby component is in the STANDBY operational state. |
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Master component is in the ONLINE 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 required operational state.
You cannot change the operational state of standby components in a hot standby system directly. Standby components are controlled by the master component.
See also:
Starting the Database Instance (Restart)
Stopping the Database Instance (Shutdown)