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

Planning a File System Layout for SAP in a Serviceguard/LX Cluster Environment
Overview Serviceguard packages
Chapter 268
The disadvantage is that any time one of the package components (db or
ci) has to be stopped, the other package component also has to be
stopped.
SGeSAP/LX Implementations
The following diagram gives an overview of a Serviceguard cluster and
its packages.
Figure 2-4 Necessary components for configuring and running a
Serviceguard packages in and SAP environment
The diagram demonstrates what components are necessary for
configuring and running a Serviceguard packages in an SAP
environment. The components for this SAP instance with SID = “RIS”
are:
• Four Serviceguard packages with the names dbRIS, ciRIS, d01RIS
and sapNFS
IP=Hostname 1
IP=Hostname 2
package=dbRIS
package=d01RIS
package=sapNFS
package=ciRIS
IP=dbris IP=d01ris
IP=nfsris
IP=ciris
EXCLUSIVE=
/sapdb/RIS
EXCLUSIVE=
/usr/sap/RIS/D01
EXCLUSIVE=
/export/data
EXCLUSIVE=
/usr/sap/RIS\
/DVEBMGS00
NFS=nfsris:
/sapdb/data
/sapdb/programs
/sapmnt/RIS
…
NFS=nfsris:
/sapdb/data
/sapdb/programs
/sapmnt/RIS
…
LOCAL=
/usr/sap/tmp
/usr/sap/RIS/SYS
LOCAL=
/usr/sap/tmp
/usr/sap/RIS/SYS
/export programs
/export/RIS...