How do I restore and reinstantiate the NFM-P main database?

Description
CAUTION 

CAUTION

Service Disruption

A main database restore requires a shutdown of each main database and main server in the NFM-P system, which causes a network management outage.

You must perform a database restore only during a scheduled maintenance period, and contact technical support before you attempt to restore a main database.

You can restore a main database using a backup copy.

In a redundant system, you must perform one or both of the following to regain main database function and redundancy, depending on the failure type.

Both operations are required after a primary database failure. After a standby database failure, no restore operation is required, but you must reinstantiate the primary database on the standby database station to restore redundancy. You can use the NFM-P client GUI or a CLI script to reinstantiate a database.

Note: In a redundant system, you can restore a main database backup only on a primary database station. To restore a database backup on a station other than the primary station, you must do the following on the station before you attempt the restore:

In a redundant system, you can reinstantiate a database only on a standby database station. To reinstantiate a database on a station other than the standby station, you must do the following on the station before you attempt the reinstantiation:

See How do I restore a standalone main database? for information about restoring a standalone main database. See How do I restore the primary main database in a redundant system? for information about restoring a redundant main database. See How do I reinstantiate the main database from the client GUI? and How do I reinstantiate the main database from a CLI? for information about reinstantiating a primary main database on a standby database station.