内存状况
[root@rac1 Server]# free
total used free shared buffers cached
Mem: 4043728 714236 3329492 0 38784 431684
-/+ buffers/cache: 243768 3799960
Swap: 33551744 0 33551744
存储
从openfiler上分出几个lun，划出3个1GB的分区用作ocr和voting，3个100GB的分区用于数据文件的存储，3个60GB的分区用于闪回恢复区
接下来要安装2节点RAC，安装介质可以直接使用11.2.0.3的patch
检查系统中是否安装了需要的包
新建用户组
groupadd -g 1000 oinstall
groupadd -g 1020 asmadmin
groupadd -g 1021 asmdba
groupadd -g 1031 dba
groupadd -g 1022 asmoper
创建用户
useradd -u 1100 -g oinstall -G asmadmin,asmdba,dba grid
passwd oracle
passwd grid
grid用户的环境变量
if [ -t 0 ]; then
stty intr ^C
fi
export ORACLE_BASE=/opt/app/oracle
export ORACLE_HOME=/opt/app/11.2.0/grid
export ORACLE_SID=+ASM1
export PATH=$ORACLE_HOME/bin:$PATH
umask 022
oracle用户的环境变量
if [ -t 0 ]; then
stty intr ^C
fi
export ORACLE_BASE=/opt/app/oracle
export ORACLE_HOME=/opt/app/oracle/product/11.2.0/db_1
export ORACLE_SID=oradb_1
export PATH=$ORACLE_HOME/bin:$PATH
umask 022
root用户环境变量
export PATH=/opt/app/11.2.0/grid/bin:/opt/app/oracle/product/11.2.0/db_1/bin:$PATH
修改/etc/hosts文件
# Do not remove the following line, or various programs
# that require network functionality will fail.
127.0.0.1 localhost.localdomain localhost
# Public Network - (eth0,eth1---bond0)
192.168.106.241 rac1 rac1.wildwave.com
192.168.106.242 rac2 rac2.wildwave.com
# Private Interconnect - (eth2,eth3-bond1)
10.10.10.241 rac1-priv
10.10.10.242 rac2-priv
# Public Virtual IP (VIP) addresses for - (eth0,eth1---bond0)
192.168.106.243 rac1-vip rac1-vip.wildwave.com
192.168.106.244 rac2-vip rac2-vip.wildwave.com