OS Pre-requisite Check on RHEL 6.X, 7.X for SAP Installation

• Check the Created Mount Points

                 $ df -h

• Check Hostname

                $ hostname -s

• Check Full Qualified Domain Name

                $ hostname -f

• Update the Linux Kernel Parameter

                 To do this append the following lines to /etc/sysctl.conf  (For EL6)

                      # SAP settings

                      kernel.msgmni=1024

                      kernel.sem=1250 256000 100 1024
                      vm.max_map_count=2000000
                      vm.swappiness=1

                To do this append the following lines to /etc/sysctl.d/sap.conf  (For EL7)

                       # SAP settings (For EL7)

                      kernel.sem=1250 256000 100 1024

                      vm.max_map_count=2000000
                      
                     

                 Note : Run the command "sysctl -p" to activate the modified kernel parameters.

• Install the OS Software Package for SAP Application Server (EL6 and EL7)

                   libuuid-2.17.2-12.24.el6.x86_64 or Latest

                   uuidd-2.17.2-12.24.el6.x86_64 or Latest

                   libstdc++-4.4.7-17.el6.x86_64 or Latest

                   libstdc++-devel-4.4.7-17.el6.x86_64 or Latest

                   gcc-4.4.7-17.el6.x86_64 or Latest

                   glibc-2.17.2-12.24.el6.x86_64 or Latest

                   xorg-x11-apps-7.7-6.el6.x86_64 or Latest

                   compat-sap-c++-6 6.3.1 x86_64 or Latest
                   gcc-c++-4.4.7-23.el6.x86_64 or Latest
                   compat-libstdc++-33-3.2.3-69.el6.x86_64 or Latest

• Update the user and group limit

                   To do this append the following lines to /etc/security/limits.conf  (For EL6)

                  @sapsys           hard              nofile             32800

                  @sapsys           soft               nofile             32800

                   To do this append the following lines to /etc/security/limits.d/90.nproc.conf

                  @sapsys          soft              nproc            unlimited

                  To do this append the following lines to /etc/security/limits.d/99-sap.conf  (For EL7)

                  @sapsys           hard              nofile             32800

                  @sapsys           soft               nofile             32800

                @sapsys           soft              nproc            unlimited

Suggestion

Do not installation separate JAVA jdk/jre on SAP JAVA Application Server.

Always reboot the system after completing the pre-requisite.

Do not forgot to add swap space as per the SAP guidelines before starting the OS pre-requisite.

Always use the latest Software Provisioning Manager (SWPM) version for the installation.

Hostname should not be more than 13 characters.

Note : These pre-requisite are related to SAP Application Server only for the  pre-requisite related to database please visit the Page