Managing Serviceguard Extension for SAP on Linux (IA64 Integrity and x86_64), February 2008

About this Manual...

This document describes how to configure and install highly available

SAP systems on Linux using Linux Serviceguard. To get further

information regarding SAP and High Availability in general, please refer

to the SAP documents:

• SAP Web Application Server in Switchover Environments

• SAP BC High Availability

To understand this document you have to have knowledge of the basic

Serviceguard concepts and commands. Experience in the Basis

Components of SAP will also be helpful.

This manual consists of five chapters:

• Chapter 1 "Understanding Serviceguard Extension for SAP"

describes how to design a High Availability SAP Environment and

points out how SAP components can be clustered.

• Chapter 2 "Planning a File System Layout for SAP in a Serviceguard

Cluster Environment" proposes the recommended high available file

system and shared storage layout for the SAP landscape and

database systems.

• Chapter 3 "Step-by-Step Cluster Conversion" describes the

installation of Serviceguard Extension for SAP on Linux step-by-step

down to the Linux command level.

• Chapter 4 "SAP Supply Chain Management" specifically deals with

the SAP SCM and liveCache technology, gives a Storage Layout

proposal and leads through the Serviceguard Extension for SAP on

Linux cluster conversion step-by-step.

• Chapter 5 "Serviceguard Extension for SAP on Linux Cluster

Administration" gives a impression on Change Management and

general Serviceguard Extension for SAP on Linux Administration

aspects, as well as the use of different Linux platforms in a mixed

cluster environment.