1. SAP System

2. SAP System Architecture
Dispatcher Queue
ICM
Memory Pipe
SAP Web AS Java
Web Browser
HTTP, HTTPS
SMTP, SOAP, XML,…
SAP GUI
DIAG
SAP Application Server(SAP Instance)
Web
Dispatcher M
Queue
SAP Buffer
(Shared Mem) D D B V S E G
Oracle
Informix
DB2
MS SQL Server
MAX DB
Database Server

3. Starting and Stopping SAP System

4. Starting SAP System

5. Start SAP : Windows Server

6. Windows Service : SAP/Oracle RDBMS

7. SAP Start Process

8. Starting SAP System : Windows Server

9. MMC DEV Start DB right-click send message via name-pipe SAPDEV_00 read
Startup Profile
strdbs.cmd
msg_server.exe
disp+work.exe
sapstart.log
SAPDEV_00
(service)
read
Start
alert_DEV.log
DB (if not)
dev_ms
Message Server
read
dev_disp
Dispatcher
Default Profile
Start
Instance Profile
Start
dev_rd
Gateway
Start
dev_icm
ICM
dev_w0..w<n>
WPs
Connect DB DB

10. SAPDBA (Release <= 4.6C)

11. BRTOOLS (Release >= 4.7)

12. Start SAP : Command Line
C:\startsap name=<SID> nr=<System Number> SAPDIAHOST=<Host Name>
Example :
C:\startsap name=DEV nr=00 SAPDIAHOST=sap

13. Remove/Reinstall SAP Service for Windows Server
Remove SAP Service
C:\usr\sap\DEV\SYS\exe\run\ntscmgr remove SAPDEV_00
Reinstall SAP Service
C:\usr\sap\DEV\SYS\exe\run\ntscmgr install SAPDEV_00
-b c:\usr\sap\DEV\SYS\exe\run\sapntstartb.exe
-p pf=c:\usr\sap\DEV\SYS\profile\START_DVEBMGS00_sap

14. Start SAP : UNIX Server

15. Starting SAP System : UNIX

16. Starting SAP System : UNIX Server

17. DB kill.sap $ startsap start startdb script read sapstart Start
SAPosCOL(if not)
alert_DEV.log
startdb.log
startdb script
Startup Profile
msg_server
disp+work
read
startsap_DVEBMGS00.log
sapstart
kill.sap
Start
dev_ms
Message Server
read
Default Profile
dev_disp
Dispatcher
Instance Profile
Start
Start
dev_rd
Gateway
Start
ICM
dev_icm
WPs
dev_w0..w<n>
Connect DB DB

18. Checking Oracle Database Status using brtools

19. SAP Work Process : ps –ef | grep dw

20. Starting SAP Options : UNIX Server
Startup Database Server
$ startsap db
Startup SAP Instance
$ startsap r3

21. Stopping SAP System

22. Before Stopping the SAP System
Check the status of
List users : SM04,AL08
List Active processes : SM50,SM66
Send a system message : SM02

23. Stopping SAP : Windows Server

24. Stopping the SAP System : Windows

25. Stopping SAP System : Windows Server

26. Stopping SAP : UNIX Server

27. Stopping the SAP System : UNIX

28. Stopping SAP System : UNIX Server

29. Stopping SAP Options : UNIX Server
Stop SAP Instance
$ stopsap r3
Startup Database Server
$ stopsap db