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