Oracle VM虚拟机中安装Oracle Clusterware 11g步骤
很多用户都想了解Oracle RAC ,但是又缺少硬件条件来安装和了解RAC。这里我们应用Oracle VM,在XEN虚拟机上来实现安装。Oracle VM
在Oracle VM 虚拟机上安装Oracle Clusterware 11g
Ling Mei
Oracle Asia Development & Research Center
Oracle Partner Solution Center
目录
在Oracle VM 虚拟机上安装Oracle RAC 11g1 创建虚拟机
2 安装Clusterware前的准备
2.1 检查系统硬件环境 (在所有节点上)
2.2 配置和检查系统软件环境 (在所有节点上)
2.3 配置和检查网络 (在所有节点上)
2.4 配置内核参数 (在所有节点上)
2.5 创建用于安装oracle的用户和用户组 (在所有节点上)
2.6 配置ssh/rsh协议 (在所有节点上)
2.7 配置用户环境 (在所有节点上)
2.8 NFS 服务设置
2.9 创建安装目录
2.10 创建ocr和voting file文件
3 安装 Clusterware
3.1 下载并解压Oracle Clusterware安装软件
3.2 安装Clusterware
3.3 查看CRS状态
参考文档
很多用户都想了解Oracle RAC ,但是又缺少硬件条件来安装和了解RAC。这里我们应用Oracle VM,在XEN虚拟机上来实现安装。
Oracle VM于2007年11月12日正式推出,目前最新的版本是2.1.1。它是一款基于开源Xen管理器的虚拟化软件,支持Oracle和非Oracle的应用程序。在OTN 上可以免费下载到相关资源。用户可以在OVM中通过多种方式快捷地创建虚拟机和虚拟磁盘。
这里我们创建2台虚拟机作为集群里的2个节点。
·通过Oracle Virtual Machine Template创建虚拟机 RAC1_13 和 RAC2_13。
·虚拟机的内存至少为 1G
·每台机器应创建 2 块虚拟网卡,如下图所示:
Select
Virtual Network Interface Name
Virtual Network Interface MAC Address
Xen Bridge
Status
Network Interface
Select
VIF0
00:16:3E:2A:69:C6
xenbr0
Active
netfront
Select
VIF1
00:16:3E:37:80:7C
xenbr1
Active
netfront
·作为RAC节点的虚拟机的OS 版本应一致,这里我们都选择 Oracle Enterprise Linux Release 4 Update 5.
·创建完毕,“Power On”所有的节点。
2 安装Clusterware前的准备 2.1 检查系统硬件环境 (在所有节点上)系统硬件条件至少应满足
·1G RAM
# grep MemTotal /proc/meminfo·Swap 1.5G
# grep SwapTotal /proc/meminfo·/tmp >400MB
# df -k /tmp·650MB的磁盘空间作为Oracle Clusterware home
·1G磁盘空间用来放Oracle Clusterware file
如果考虑冗余的话,需要再增加分区
·至少4G磁盘空间作为Oracle Database home
·虚拟机的磁盘空间不够的话,可以通过增加虚拟磁盘的方法解决
2.2 配置和检查系统软件环境 (在所有节点上)检查系统是否已经安装以下的包
binutils-2.15.92.0.2-18elfutils-libelf-0.97-5
elfutils-libelf-devel-0.97.5
glibc-2.3.9.4-2.19
glibc-common-2.3.9.4-2.19
glibc-devel-2.3.9.4-2.19
gcc-3.4.5-2
gcc-c++-3.4.5-2
libaio-devel-0.3.105-2
libaio-0.3.105-2
libgcc-3.4.5
libstdc++-3.4.5-2
libstdc++-devel-3.4.5-2
make-3.80-5
通过模板创建的虚拟机,,OS可能没有安装全部需要的包。
用户在安装前请参照Oracle官方文档检查系统是否已经安装所需的包。
RAC2_13 eth0 10.182.108.88 eth1 192.168.0.12
·修改节点的/etc/hosts文件
127.0.0.1 localhost.localdomain localhost10.182.108.86 rac1_13.cn.oracle.com rac1_1310.182.108.87 rac1_13-vip.cn.oracle.com rac1_13-vip192.168.0.11 rac1_13-priv.cn.oracle.com rac1_13-priv
192.168.0.12 rac2_13-priv.cn.oracle.com rac2_13-priv10.182.108.88 rac2_13.cn.oracle.com rac2_13
10.182.108.89 rac2_13-vip.cn.oracle.com rac2_13-vip
·修改节点的hostname
vi /etc/sysconfig/network
设置节点的hostname分别为RAC1_13和RAC2_13。
kernel.core_uses_pid = 1
fs.file-max=327679
kernel.msgmni=2878
kernel.msgmax=8192
kernel.msgmnb=65536
kernel.sem=250 32000 100 142
kernel.shmmni=4096
kernel.shmall=3279547
kernel.sysrq=1
net.core.rmem_default=262144
net.core.rmem_max=2097152
net.core.wmem_default=262144
net.core.wmem_max=262144
fs.aio-max-nr=3145728
net.ipv4.ip_local_port_range=1024 65000
vm.lower_zone_protection=100
kernel.shmmax=536934400

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