以CentOS 6.8系统为例部署Oracle 11g RAC和DNS配置

在virtual box创建虚拟机时，网卡1为桥接网卡，网卡二为仅主机模式

创建两块磁盘，模式设置为可共享，都添加到两个虚拟机中

在虚拟介质管理中进行设置

虚拟机的创建明细如下

在两个系统安装完成后，进入network connection配置

把动态地址改为静态地址，手动输入地址、子网掩码及网关

将两个节点的公共网卡地址写入DNS server

进入 /etc/hosts 写入两个节点的网卡信息

[root@rac01 ~]# vi /etc/hosts
127.0.0.1 localhost localhost.localdomain localhost4 localhost4.localdomain4
::1 localhost localhost.localdomain localhost6 localhost6.localdomain6

192.168.56.101 rac01

192.168.56.102 rac02

192.168.56.111 rac01-vip

192.168.56.112 rac02-vip

192.168.1.142 rac01-priv

192.168.1.109 rac02-priv

192.168.56.156 cluster-scan

配置本地Yum源

[root@rac01 Packages]# cd /etc/yum.repos.d/
[root@rac01 yum.repos.d]# ls
CentOS-Base.repo CentOS-Debuginfo.repo CentOS-fasttrack.repo CentOS-Media.repo CentOS-Vault.repo
[root@rac01 yum.repos.d]# rm -rf *

[root@rac01 yum.repos.d]# vi local.repo
[kingsql]
name=This is kingsql repo
baseurl=file:///rpm/
enabled=1
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-6
[root@rac01 yum.repos.d]# mkdir -p /rpm
[root@rac01 yum.repos.d]# cd /rpm

[root@rac01 rpm]cp /root/Packages/* /rpm/

rpm -ivh vsftpd-2.2.2-12.el6_5.1.x86_64.rpm
rpm -ivh deltarpm-3.5-0.5.20090913git.el6.x86_64.rpm
rpm -ivh Python-deltarpm-3.5-0.5.20090913git.el6.x86_64.rpm
rpm -ivh libxml2-2.7.6-14.el6_5.2.x86_64.rpm
rpm -ivh libxml2-python-2.7.6-14.el6_5.2.x86_64.rpm
rpm -ivh createrepo-0.9.9-22.el6.noarch.rpm

[root@rac01 rpm]# createrepo ./
[root@rac01 rpm]# yum clean all
[root@rac01 rpm]# yum makecache

[root@rac01 rpm]#yum install -y libXp* xterm* unixODBC* sysstat* make* libstdc++* libgomp* libgcc* libaio* kernel-headers* glibc* gcc* elfutils* binutils* bind bind-devel bind-chroot caching-nameserver compat-libcap1* compat-libstdc++-33* openssh* xdpyinfo vi unzip

进行DNS配置

vi /etc/named.conf

options {
listen-on port 53 { any; };
directory "/var/named";
dump-file "/var/named/data/cache_dump.db";
statistics-file "/var/named/data/named_stats.txt";
memstatistics-file "/var/named/data/named_mem_stats.txt";
allow-query { any; };
recursion yes;

dnssec-enable yes;
dnssec-validation yes;

/* Path to ISC DLV key */
bindkeys-file "/etc/named.iscdlv.key";

managed-keys-directory "/var/named/dynamic";
};

logging {
channel default_debug {
file "data/named.run";
severity dynamic;
};
};

zone "." IN {
type hint;
file "/dev/null";
};

zone "kingsql.org" IN {
type master;
file "kingsql.org.zone";
};

zone "56.168.192.in-addr.arpa" {
type master;
file "192.168.56.rev";
};

[root@rac01 named]# cd /var/named
[root@rac01 named]# pwd
/var/named
[root@rac01 named]# vi kingsql.org.zone
$TTL 1D
@ IN SOA kingsql.org. hostmaster.kingsql.org. (
0 ; serial
1D ; refresh
1H ; retry
1W ; expire
3H ) ; minimum
@ IN NS ns1.kingsql.org.
ns1 IN A 192.168.56.101

ns2 IN A 192.168.56.102
cluster-scan IN A 192.168.56.156
cluster-scan IN A 192.168.56.157
cluster-scan IN A 192.168.56.158
--------------------------------------------------------------------------------------------
[root@rac01 named]# vi 192.168.56.rev
$TTL 1D
@ IN SOA kingsql.org. hostmaster.kingsql.org. (
0 ; serial
1D ; refresh
1H ; retry
1W ; expire
3H ) ; minimum
@ IN NS ns1.kingsql.org.
ns1 IN A 192.168.56.101