Specifications

Appendix D. SAP R/3 Sizing and Installation Planning

IBM offers a facility to existing SAP customers on sizing of Netfinity Servers,

according to their environment. This facility is offered through Internet. To make

use of this facility and get help on Netfinity sizing, you need to go through

Quick

Sizer

. Quick Sizer is a online sizing tool available from SAP that help customers

perform quick sizing for their environment. This chapter covers in detail how to

access

Quick Sizer

and how to submit a request to IBM for Netfinity Servers

sizing.

The Quicksizer calculates hardware requirements (CPU, disk and memory

resource) based on the number of users working with the different components of

the R/3 system in a hardware and database independent format. The tool intends

to give customers an idea about the size of the system necessary to run the

required workload and therefore input for initial budget planning.

User-based sizing is only possible and practical up to a certain limit and heavily

depends on many factors for example, the following:

• R/3 Version

• Database Version

•OS Version

• Hardware

• Number of users

• Amount of Reporting/Batch

• Load Profile

This tool delivers a hardware and database independent output in categories and

classes measured in SAPS (SAP Application Benchmark Performance Standard).

D.1 How to Access the Quick Sizer Tool

To access the Quick Sizer Tool, use the following steps:

1. Start your Web browser.

2. Go to the Web Site at http://sapnet.sap-ag.de.

3. It will prompt you to enter your OSS user ID and password, which customers

can get from SAP. After that you will see a screen as shown in Figure 81.