Start & Stop SAP System in UNIX, Linux OS Environment

Starting the SAP System

1. Log on in your OS level as a user with SAP administrator authorization (<SID>adm).

2. Enter the command startsap [DB|R3|ALL]. The following applies to this command:

• DB starts the database system:

# startsap DB

• R3 starts the instances & associated processes of the SAP System:

# startsap R3

• ALL starts both the database system & the SAP System:

# startsap ALL

Stopping the SAP System

1. Log on in your OS level as a user with SAP administrator authorization (<SID>adm).

2. Enter the command stopsap [DB|R3|ALL]. The following applies to this command:

• DB stops the database system:

# stopsap DB

• R3 stops the instances & associated processes of the SAP System:

# stopsap R3

• ALL stops both the database system & the SAP System.

# stopsap ALL

Note

• The dw process in Unix indicates the dispatcher and work processes.
• The ms process in Unix indicates the message server.
• icman – This process is started in both Unix and Windows as icman , visible with the Task Manager and with the ps -ef command
• gwrd – You can find the Gateway process by seeing gwrd.exe in the Task Manager or using ps –ef | grep gwrd command in unix
• saposcol –  Visible in Task Manager and Unix OS with the same name