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

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Understanding Serviceguard Extension for SAP on Linux
Serviceguard Extension for SAP on Linux File structure
Chapter 1 33
Package Directory Content for the Two-Package Model
NOTE In this document, references to ${SGCONF} can be replaced by the
definition of the variable that is found in this file
/etc/cmcluster.config. The default values are:
• SGCONF=/opt/cmcluster/conf - for SUSE Linux
• SGCONF=/usr/local/cmcluster/conf - for Redhat Linux
In the two package model, the SAP functionality is separated into two
Serviceguard packages. One for the database (DB) and the other for the
SAP central instance (CI). The database package contains the file
systems for the NFS mount points. The Serviceguard Extension for SAP
on Linux scripts of the two package concept are organized as follows:
• ${SGCONF}/<SID>/db<SID>.config - Serviceguard generic package
configuration file as created with cmmakepkg -p. This file configures
the database package. It needs to be customized.
• ${SGCONF}/<SID>/db<SID>.control.script - Serviceguard
database package control file for as created with cmmakepkg -s. It
needs to be customized.
• ${SGCONF}/<SID>/ci<SID>.config - Serviceguard generic package
configuration file as created with cmmakepkg -p. This file configures
the central instance package. It needs to be customized.
• ${SGCONF}/<SID>/ci<SID>.control.script - Serviceguard SAP
central instance package control file as created with cmmakepkg -s.
It needs to be customized.
• ${SGCONF}/<SID>/d<INSTNR><SID>.config - Serviceguard generic
package configuration file as created with cmmakepkg -p. This file
configures an optional application server package. It needs to be
customized. This file is optional.
• ${SGCONF}/<SID>/d<INSTNR><SID>.control.script -
Serviceguard SAP application server package control file as created
with cmmakepkg -s. It needs to be customized. This file is optional.
• ${SGCONF}/<SID>/sap.config - SAP specific package configuration
file. It needs to be customized.