Managing Serviceguard Extension for SAP, December 2007

Step-by-Step Cluster Conversion
HP-UX Configuration
Chapter 3118
IS020 Installation Step:
Verify that the existing volume group layout is compliant with the needs
of the Serviceguard package(s) as specified in the tables of Chapter 2.
1. Make sure that database specific file systems and Central Instance
and/or System Central Services specific file systems are separated
onto different volume groups. All directories that are labeled shared
in these tables need to reside on logical volumes on a shared external
storage system. The recommended separation in different volume
groups can also be taken from these tables.
A default mount point for SAP applications is /usr/sap/<SID>. For
Serviceguard, change this to /usr/sap/<SID>/<component><INR>. If
/usr/sap/<SID> is the mount point you have to move some files to a
local logical volume and change the mount point.
For example for a SAP Central Instance:
mkdir /usr/sap/<SID>.new
cd /usr/sap/<SID>
bdf . # Remember the filesystem column.
# It will be referred to as <dev_path> later.
find . -depth -print|cpio -pd /usr/sap/<SID>.new
cd /
umount /usr/sap/<SID>
rmdir /usr/sap/<SID>
mv /usr/sap/<SID>.new /usr/sap/<SID>
chmod 751 /usr/sap/<SID>
chown <SID>adm:sapsys /usr/sap/<SID>
cd /usr/sap/<SID>/DVEBMGS<INSTNR>
rm -r * # be careful with this
cd ..
mount <dev_path> /usr/sap/<SID>/DVEBMGS<INSTNR>
cd DVEBMGS<INSTNR>