Content Comparison

Online

It means that the Oracle database is running.
If the DoQuery attribute is set to 'true', the instance status is 'OPEN'.

Terminates the Oracle database processes.
Ex) sqlplus /as sysdba shutdown

 If there is an ongoing backup process, terminate it first.

Monitors whether the Oracle database process is running..

If the DoQuery attribute is set to 'true', the Oracle database is still? running

If the FaultOnQueryFailure attribute is set to 'true', "no response" is handled as a trouble. If the FaultOnQueryFailure attribute is set to 'false',

Offline

It means that all the processes composing the Oracle database service are terminated.

Starts the Oracle database service.
Ex) sqlplus /as sysdba startup 

If there is any ongoing backup process. If so, terminate it and try to open the instance again.

Monitors whether the Oracle database process is running.

 If the DoQuery attribute is set to 'true', Identify the OPEN state. 

TroubleFault

It means that it went offline from online without a termination process.

Starts the Oracle database processes.
Ex) sqlplus /as sysdba startup 

If there is any ongoing backup process. If so, terminate it and try to open the instance again.

Terminates the Oracle database processes.
If there is an ongoing backup process, terminate it first.

If the monitoring results indicate the case of trouble, run the following finish process.

1. If all the Oracle database processes are running, run the termination command.
2. If there is any process not terminated after running the termination command, terminate it forcibly.
3. If there is any IPC resource not finished, delete them all.