CentOS 6.8平台Oracle 12.1.0.2.0 RAC雙節點資料庫叢集搭建

標籤：oracle 12c rac 叢集

環境準備

節點一：CentOS 6.8 x86-64

CPU：4c     記憶體：8g     SWAP：8g

業務ip：192.168.50.20 私網ip：10.98.50.20

節點二：CentOS 6.8 x86-64

CPU：4c     記憶體：8g     SWAP：8g

業務ip：192.168.60.21 私網ip：10.98.50.21

資料庫與叢集軟體：

linuxamd64_12102_grid_1of2.zip

linuxamd64_12102_grid_2of2.zip

linuxamd64_12102_database_1of2.zip

linuxamd64_12102_database_2of2.zip

 

兩個節點主機安裝CentOS 6.8 x86-64系統，並安裝處圖形化環境。

配置節點一網路

使用ifconfig命令查看對應MAC地址。

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使用nmcli命令查看網卡對應UUID

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修改網路設定檔 /etc/sysconfig/network-scripts/ifcfg-eth0 與 /etc/sysconfig/network-scripts/ifcfg-eth1對應網卡添加或修改網卡MAC地址、UUID、IP等參數。

注意添加這兩行參數

NM_CONTROLLED=no
PEERDNS=no

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停止NetworkManager服務並設定開機不啟動，重啟network服務。

/etc/init.d/NetworkManager stop

chkconfig NetworkManager off
/etc/init.d/network  restart

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配置DNS伺服器 /etc/resolv.conf

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配置host檔案 /etc/hosts 添加

# Oracle RAC Public IP
192.168.50.20   12crac1.oracle.com  12crac1
192.168.50.21   12crac2.oracle.com  12crac2

# Oracle RAC VIP
192.168.50.22   12crac1-vip.oracle.com  12crac1-vip
192.168.50.23   12crac2-vip.oracle.com  12crac2-vip

# Oracle RAC Private IP
10.98.50.20    12crac1-priv.oracle.com  12crac1-priv
10.98.50.21    12crac2-priv.oracle.com  12crac2-priv

# Oracle RAC SCAN IP
192.168.50.24   scan.oracle.com
192.168.50.25   scan.oracle.com
192.168.50.26   scan.oracle.com

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停止NTP服務並卸載。

/etc/init.d/ntpd stop

yum erase ntp -y

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使用ntpdate與NTP伺服器同步系統時間，並寫入硬體時鐘，ntpdate服務開機自啟動。

ntpdate 0.centos.pool.ntp.org

hwclock -w

chkconfig ntpdate on

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停止防火牆與selinux服務

/etc/init.d/iptables stop

chkconfig iptables off

setenforce 0

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selinux服務需要修改設定檔/etc/sysconfig/selinux來永久禁用。

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將節點二主機按照如上過程配置一次。

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CentOS 6.8平台Oracle 12.1.0.2.0 RAC雙節點資料庫叢集搭建