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2. ERP
• Planning the resources in an organization is
called ERP
• ERP stands for Enterprise Resource Planning
which is used to integrate one or more
departments in an organization and it is also
used to minimize paper work in the
organizations.

3. Examples for ERP’s
– Oracle Apps
–BAAN
– Siebel
– People Soft
– SAP

4. Why sap?
• Rich set of modules
• Data integrity
• Data sharing between modules is easy
• Easy administration
• Only one database
• It supports all available databases and OS
• Upgrade from time to time
• 24x7x365 global support
• User friendly

5. • Secured and reliable
• Supports interface to other sap/non sap
systems
• Sap supports Multilanguage available using
Unicode
• Easy add-ons to add functionality to existing
system
• Common programming language which
supports oops and ABAP. SAP supports JAVA

6. 6
SAP AG
• SAP AG is a German software corporation that
provides enterprise software applications and
support to businesses of all sizes globally.
Headquartered in Waldorf, Germany, with
regional offices around the world.
• SAP is the largest enterprise software company
in the world (as of 2009).
• It is also the largest software company in Europe
and the fourth largest globally. The company's
best known products are its SAP Enterprise
Resource Planning (SAP ERP) and SAP Business
Objects software.

7. Evaluation of SAP
• SAP was founded in June 1972 as System
Analysis and Program development by five
former IBM engineers, later it named as
Systems, Applications and Products in Data
Processing

8. • In 1973, the SAP R/1 solution was launched
• Six years later, in 1979, SAP launched SAP R/2
• In 1981, SAP brought a completely re-designed
solution to market. However, SAP
didn't significantly improve until the period
between 1985 and 1990. The most major
improvements came not from the founders or
employees, but from a partnership with an
educational institution, "Chico State".

9. • Chico State remained SAP's only educational
partner for the first few years, vastly
improving and extending modules within R/2,
which led to the development of R/3 with a
few new modules. SAP and Chico State
developed and released several versions of
R/3 in 1992 through 1995.

10. WHAT IS R/3
• 3 TIER LAND SCAPE SYSTEM
• DATABASE LAYER
• APPLICATION LAYER
• PRESENTATION LAYER

11. Sap releases
• SAP R/3 Release 3.1I
• SAP R/3 Release 4.0B Release Date June 1998
• SAP R/3 Release 4.5B Release Date March 1999
• SAP R/3 Release 4.6A Release Date 1999
• SAP R/3 Release 4.6B Release Date Dec 1999
• SAP R/3 Release 4.6C Release Date April 2001
• SAP R/3 Enterprise Release 4.70 Release Date March- Dec
2003
• SAP R/3 Enterprise Edition 4.7
• SAP Enterprise Central Component 5.0
• SAP Enterprise Central Component 6.0
• SAP R/3 ENTERPRISE PORTAL 7.0

12. • ECC 5.0
• ECC 6.0
• ECC 6.0 with EHP-5

13. SAP MODULES
• Sap is a set of integrated modules
• Namely sales, finance, planning and
management, material, production, quality
etc.,
• Sap is available as an integrated pack

14. • Technical
• Functional

15. Technical consultant
• ABAP
• BASIS

16. FUNCTIONAL CONSULTANT
• SALES
• CRM
• FICO
• HR
• ETC.,

17. BASIS
• BUSINESS APPLICATION SOFTWARE FOR
INTEGRATED SOLUTIONS

18. BASIS CONSULTANT JOB
• INSTALLATION
• POST INSTALLATION
• MOVING PRODUCTS FROM ONE SERVER TO
ANOTHER
• MIGRATION
• UPGRADATION
• FIXING THE ERRORS
• MONITORING SAP
• SUPPORT

19. Hardware Sizing
• To analyse the business requirements of an organization level depending
upon the users data will allocate the hardware resources. We can give over
business time, standby time, legacy data, o/s and DB version, data
archiving. Steps for Hardware sizing:
1. Contact SAP
2. Get OSSID (Online SAP Service ID)
3. Login to www.service.sap.com/qsizing (It is sap official site)
4. Go to Quick Sizer Tool
5. Enter project name/Customer Number
6. Create Project
7. No. of Users (Low/Medium/High Activities)
8. Amt. of legacy data.
9. No. of modules.
10.I) user based ii) object based.
11.Select operating system of SAP
12.Select database and its version.
13.Select the peak load time.
14.High availability.
15.Data Security[Mirroring/Raid/Clustering ….etc.,]
16.Save the details.
17.Calculate the Results.

20. 20
Output of Hardware Sizing
• Disk size.
• Memory requirement in MB
• CPU requirement in SAPS [System
Application Benchmarks for Performance
standards]
• SAPS are calculated based on the usage of
processors.
• Analysis says that each 1500 saps we require
one CPU.

21. 21
Installation

22. 22
Pre-Requisites:
1. Proper hardware is received according to H/W Sizing.
2. Verify SAP Software.
3. Installation document from SAP  www.service.sap.com
4. Read the document and highlight the steps involved inst. guides.
5. Internet connection to resolve the runtime issues.
6. Install o/s and patches
7. Get a static IP address from N/W team
8. Assign the IP address
9. Specify an IP address and Host name entry in etchosts
10. Dump the s/w into server
11. Setup Virtual Memory VM=3*RAM+500
12. Install current version of JAVA because SAP Installation too requires
JAVA Runtime Environment [JRE]
13. Set the environment variable JAVA_HOME & Path
14. Install Oracle and Patches.

23. 23
There are 2 installation tools:
R/3 setup <= 4.6C
sapinst >=4.7 EE
SAP Installation consists of 3 Types:
1. Central Instance Installation
2. Database Instance Installation
3. Dialog Instance Installation:

24. 24
SAP Architecture
Process Flow (LOGON)
1. User requests
2. Dispatcher handles the request
3. Keeps in queue and assign WP
based on FIFO
4. The work process gets the
username, password, client, logon
language and the task handler
interprets and hand over the task
to the database process.
5. The DB process checks the
credentials of the user and
provides the necessary
authorizations to the process.
6. The entire information is copied
into the user context which is
referred as
ROLL OUT. (The information is
copied into Roll Area which is
subsequently available for all the
requests made by the user)
It Consists 3 Layers.
1. Presentation Layer
2. Application Layer
3. Database Layer.

25. 25
Instances is of various types
• 1. Database Instance .
• 2. Central Instance.
• 3. Dialogue Instance.
• 1. Database Instance: This is the Instance where database is installed.
2. Central Instance: This is the Instance where Application Server/ Tier/ Layer are
installed. There will be only one instance in the entire system.
3. Dialogue Instance: These are the instances which are used to handle the load on
the central instances. We can install as many instances as possible assuming that each
instance can serve up to 200 - 500 users depending upon the type of the users.
Installation Logs:
Sapinst.log - Specifies the installation success / failure
Sapinst_dev.log - also provides similar log in case of installation is aborted

26. 26
Types of Work Processes
Even though the processes are unique at OS level SAP differentiated between the
work processes based on the nature of work.
The process are determined by the instance name
DVEBMGS<Instance_No>
For Dialogue instances the work process will be denoted as D01, D02....
D - Dialogue
V - Update
E - Enqueue
B - Back ground
M - Message
G - Gateway
S - Spool
DVEBMGS is only available in the Central instance.
D01 to DN-1 for Dialogue instances.

27. 27
Central Instance DVEBMGS - 2112111
It hosts all the process and their will be
only one central instance in the entire
system.
1. DIALOGUE 'D'
It is only the process
which communicates interactively with
the users. There should be atleast 2
Dialogue work process per instance.
Dialogue work process initiates
Update, Background and Spool.
2. UPDATE 'V'
It is used to update
the transactions in the database. It is
initiated by Dialogue process. There
should be atleast 1 Update in the
entire system. It is also recommended
to have an update process for every 5
Dialogue.
3. ENQUEUE 'E'
It is used to provide locks for
the records that are going to be
updated. It ensures consistency for
updates. There will be only 1 Enqueue
configured in the system during the
installation. It is possible to have more
than one enqueue provided they are
installed or configured on the central
instance.
4. BACKGROUND 'B'
The tasks which are expensive or
time consuming are scheduled to run in the
background mode non-interactively. There
should be atleast 2 background work
process in the system
• 5. MESSAGE 'M'
• There should be only 1
message server in the entire R/3 system.
It is used to manage all the dispatchers. It is
used to load balance the requests to identify
the least loaded dispatcher.
• It is also used to provide
locks to the request that are coming from
Dialogue instances.
• 6. GATEWAY 'G'
• It is used to provide a
means of communication with SAP and
NON-SAP systems. There will be only 1
gateway for each instance.
• 7. SPOOL 'S'
• It is used to print the
documents to a printer or output to a fax
machine etc. There should be atleast 1
Spool process in the entire system. It is
also possible to configure more spool
process depending on the print/ spool
volume.

28. Types of Work Processes
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