-f dbstart
This BRSPACE function starts the database instance. For more information, see Starting Up the Database with BR*Tools.
Function options:
· -f|-force: If the database is running, forces an immediate shutdown then restarts the instance, even if SAP users are connected
Default: does not force a restart.
· -i|-instance: Defines which database instances are to be started
Syntax: -i|-instance all_inst|all_down|<instance>|<instance_list>
¡ all_inst starts or restarts all instances of an Oracle Real Application Cluster (RAC) database
¡ all_down starts all database instances that are currently down, that is, stopped
¡ <instance> starts the specified instance
¡ <instance_list> starts the specified instances
Default: the database instance defined by the ORACLE_SID environment variable

You only need to specify database instances for Oracle RAC
· -m|-mode: Defines the mode in which the database instance starts
Syntax: -m|-mode normal|restrict|force
¡ normal starts the database instance normally
¡ restrict starts the database in restricted mode for database administration only
¡ force forces a shutdown abort and then a restart
Default: normal
· -s|-state: Defines the state of the database after startup
Syntax: -s|-state open|mount|nomount
¡ open opens the database for normal user access
¡ mount associates the database with its instance and evaluates control files
¡ nomount builds up the database instance and allocates operating system resources
For more information on database states, see the Oracle documentation.
Default: open