Oracle 11gR2构建RAC之(3)--安装grid前环境检测
在城关等地区,都构建了全面的区域性战略布局,加强发展的系统性、市场前瞻性、产品创新能力,以专注、极致的服务理念,为客户提供成都网站建设、成都网站制作 网站设计制作按需搭建网站,公司网站建设,企业网站建设,品牌网站设计,网络营销推广,成都外贸网站建设公司,城关网站建设费用合理。系统环境:
操作系统:RedHat EL5
Cluster: Oracle GI(Grid Infrastructure)
Oracle: Oracle 11.2.0.1.0
如图所示:RAC 系统架构
三、安装GI之前,可以以grid用户的身份对环境进行检测。
以grid 用户的身份校验安装环境(在grid的安装软件包目录下)
[grid@node1 grid]$ ./runcluvfy.sh stage -pre crsinst -n node1,node2 -fixup -verbose ---在检测中会提示,“failed”的位置,需要fixup. 1、需要安装的软件包(all nodes) 配置yum安装环境: [root@node1 yum.repos.d]# cp rhel-debuginfo.repo yum.repo [root@node1 yum.repos.d]# ls rhel-debuginfo.repo yum.repo [root@node1 yum.repos.d]# cat yum.repo [Base] name=Red Hat Enterprise Linux baseurl=file:///media/Server enabled=1 gpgcheck=0 gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-redhat-release 挂载linux ISO 光盘: [root@node1 yum.repos.d]#mount /dev/hdc /media 安装软件: libaio-devel.i386 0:0.3.106-5 sysstat.i386 0:7.0.2-3.el5 unixODBC-2.2.11-7.1 unixODBC-devel-2.2.11-7.1 unixODBC-kde-2.2.11-7.1 2、配置用户之间的信任关系(oracle和grid) 建立节点之间oracle 、grid 用户之间的信任(通过ssh 建立公钥和私钥) =====Oracle========== 1)生成密钥对(all nodes) [oracle@node1 ~]$ ssh-keygen -t rsa Generating public/private rsa key pair. Enter file in which to save the key (/home/oracle/.ssh/id_rsa): Enter passphrase (empty for no passphrase): Enter same passphrase again: Your identification has been saved in /home/oracle/.ssh/id_rsa. Your public key has been saved in /home/oracle/.ssh/id_rsa.pub. The key fingerprint is: 64:a6:4a:77:db:33:a4:aa:6e:ca:8f:5f:2f:77:0f:40 oracle@node1 [oracle@node1 ~]$ ssh-keygen -t dsa Generating public/private dsa key pair. Enter file in which to save the key (/home/oracle/.ssh/id_dsa): Enter passphrase (empty for no passphrase): Enter same passphrase again: Your identification has been saved in /home/oracle/.ssh/id_dsa. Your public key has been saved in /home/oracle/.ssh/id_dsa.pub. The key fingerprint is: 7c:41:b5:0f:81:06:ad:30:07:4f:8b:1a:9b:94:68:14 oracle@node1 2)配置信任关系 [oracle@node1 ~]$ ls .ssh id_dsa id_dsa.pub id_rsa id_rsa.pub known_hosts [oracle@node1 ~]$ cat .ssh/id_rsa.pub >>.ssh/authorized_keys [oracle@node1 ~]$ cat .ssh/id_dsa.pub >>.ssh/authorized_keys [oracle@node1 ~]$ ssh node2 cat .ssh/id_rsa.pub >>.ssh/authorized_keys oracle@node2's password: [oracle@node1 ~]$ ssh node2 cat .ssh/id_dsa.pub >>.ssh/authorized_keys oracle@node2's password: [oracle@node1 ~]$ scp .ssh/authorized_keys node2:~/.ssh oracle@node2's password: authorized_keys 100% 1992 2.0KB/s 00:00 3)验证信任关系 (all nodes) [oracle@node1 ~]$ ssh node2 date Thu May 2 14:46:30 CST 2013 [oracle@node1 ~]$ ssh node2-priv date The authenticity of host 'node2-priv (10.10.10.2)' can't be established. RSA key fingerprint is 16:28:88:50:27:30:92:cb:49:be:55:61:f6:c2:a1:3f. Are you sure you want to continue connecting (yes/no)? yes Warning: Permanently added 'node2-priv,10.10.10.2' (RSA) to the list of known hosts. Thu May 2 14:47:03 CST 2013 [oracle@node1 ~]$ ssh node1 date Thu May 2 14:48:19 CST 2013 [oracle@node1 ~]$ ssh node1-priv date The authenticity of host 'node1-priv (10.10.10.1)' can't be established. RSA key fingerprint is 39:04:88:3b:54:34:3c:34:d2:df:74:37:fe:5f:92:2d. Are you sure you want to continue connecting (yes/no)? yes Warning: Permanently added 'node1-priv,10.10.10.1' (RSA) to the list of known hosts. Thu May 2 14:48:35 CST 2013 =========grid=========== 步骤同oracle 一样 @至此,GI安装之前的准备工作基本完成。另外有需要云服务器可以了解下创新互联cdcxhl.cn,海内外云服务器15元起步,三天无理由+7*72小时售后在线,公司持有idc许可证,提供“云服务器、裸金属服务器、高防服务器、香港服务器、美国服务器、虚拟主机、免备案服务器”等云主机租用服务以及企业上云的综合解决方案,具有“安全稳定、简单易用、服务可用性高、性价比高”等特点与优势,专为企业上云打造定制,能够满足用户丰富、多元化的应用场景需求。
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