Oracle 11gR2 2-node RAC on VMWare Workstation 8 – Part 3.docx

Oracle 11gR2 2-node RAC on VMWare Workstation 8 – Part?IIITime Required: 20 minutesClass Materials:noneNext we need to configure the Linux kernel to support Oracle 11gR2.Before we can install Oracle 11gR2 on our new VM, we need configure the Linux kernel. The following steps modify key settings to allow Oracle to execute. These steps are taken from the Oracle install guide located at the following URL:Linux Kernel Parameters for Oracle 11gR2 on RHEL 5Edit the /etc/sysctl.conf and add following lines: # added for Oracle 11gR2kernel.shmall = 2097152kernel.shmmax = 536870912kernel.shmmni = 4096kernel.sem = 250 32000 100 128fs.file-max = 6815744fs.aio-max-nr = 1048576net.ipv4.ip_local_port_range = 9000 65500net.core.rmem_default = 262144net.core.rmem_max = 4194304net.core.wmem_default = 262144net.core.wmem_max = 1048576?Now execute “sysctl -p” command to apply the new settings:[root@localhost ~]# /sbin/sysctl -pnet.ipv4.ip_forward = 0net.ipv4.conf.default.rp_filter = 1net.ipv4.conf.default.accept_source_route = 0kernel.sysrq = 0kernel.core_uses_pid = 1net.ipv4.tcp_syncookies = 1kernel.msgmnb = 65536kernel.msgmax = 65536kernel.shmmax = 68719476736kernel.shmall = 4294967296kernel.shmall = 2097152kernel.shmmax = 536870912kernel.shmmni = 4096kernel.sem = 250 32000 100 128fs.file-max = 6815744fs.aio-max-nr = 1048576net.ipv4.ip_local_port_range = 9000 65500net.core.rmem_default = 262144net.core.rmem_max = 4194304net.core.wmem_default = 262144net.core.wmem_max = 1048576?Edit the /etc/pam.d/login file and add following line:# added for Oracle 11gR2session required pam_limits.so?Edit the /etc/security/limits.conf file and add following lines:# added for Oracle 11gR2oracle soft nproc 2047oracle hard nproc 16384oracle soft nofile 1024oracle hard nofile 65536?Check current status of SELinux:[root@localhost ~]# /usr/sbin/getenforceEnforcing?If output is Enforcing then change mode to Permissive as follows:[root@localhost ~]# /usr/sbin/setenforce 0?To make