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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
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
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
$ 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
Starting SAP Options : UNIX Server
Startup Database Server $ startsap db
Startup SAP Instance $ startsap r3
Before Stopping the SAP System
• Check the status of– List users : SM04,AL08– List Active processes : SM50,SM66
• Send a system message : SM02