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SAP System
SAP System ArchitectureSAP System Architecture
Database Server
M
SAP Application Server(SAP Instance)
Oracle
Informix
DB2
MS SQL Server
MAX DB
G
Dispatcher
Queue
D D B V S E
SAP Buffer(Shared Mem)
SAP GUI
DIAG
Dispatcher Queue
ICM
Memory Pipe
SAP Web AS Java
Web Browser
HTTP, HTTPS
SMTP, SOAP, XML,…Web
Starting and Stopping SAP
System
Starting SAP System
Start SAP : Windows Server
Windows Service : SAP/Oracle RDBMS
SAP Start Process
Starting SAP System : Windows Server
MMC DEVStart
SAPDEV_00(service)
right-click
send message via name-pipe
Startup Profile
strdbs.cmdmsg_server.exedisp+work.exe
DB (if not)
Message Server
Dispatcher Default Profile
Instance Profile
Start
Gateway
ICM
WPs
DB
Start
Start
Start
read
readsapstart.log
dev_ms
dev_disp
dev_rd
dev_icm
dev_w0..w<n>
alert_DEV.log
Connect DB
SAPDBA (Release <= 4.6C)
BRTOOLS (Release >= 4.7)
Start SAP : Command Line
C:\startsap name=<SID> nr=<System Number> SAPDIAHOST=<Host Name>
Example :C:\startsap name=DEV nr=00
SAPDIAHOST=sap
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
Start SAP : UNIX Server
Starting SAP System : UNIX
Starting SAP System : UNIX Server
$ startsap
SAPosCOL(if not)
start
Startup Profile
msg_serverdisp+work
startdb script
Message Server
DispatcherDefault Profile
Instance Profile
Gateway
ICM
WPs
DB
Start
Start
Start
read
read
startdb.log
dev_ms
dev_disp
dev_rd
dev_icm
dev_w0..w<n>
startsap_DVEBMGS00.logsapstart
Start
alert_DEV.log
Connect DB
kill.sap
Checking Oracle Database Status using brtools
SAP Work Process : ps –ef | grep dw
Starting SAP Options : UNIX Server
Startup Database Server $ startsap db
Startup SAP Instance $ startsap r3
Stopping SAP System
Before Stopping the SAP System
• Check the status of– List users : SM04,AL08– List Active processes : SM50,SM66
• Send a system message : SM02
Stopping SAP : Windows Server
Stopping the SAP System : Windows
Stopping SAP System : Windows Server
Stopping SAP : UNIX Server
Stopping the SAP System : UNIX
Stopping SAP System : UNIX Server
Stopping SAP Options : UNIX Server
Stop SAP Instance $ stopsap r3
Startup Database Server $ stopsap db