Oracle 11gR2构建RAC之（3）--安装grid前环境检测

Oracle 11gR2构建RAC之（3）--安装grid前环境检测

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]# lsrhel-debuginfo.repo  yum.repo[root@node1 yum.repos.d]# cat yum.repo [Base]name=Red Hat Enterprise Linux baseurl=file:///media/Serverenabled=1gpgcheck=0gpgkey=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-2.2.11-7.1unixODBC-devel-2.2.11-7.1unixODBC-kde-2.2.11-7.12、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 rsaGenerating 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 dsaGenerating 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@node12）配置信任关系[oracle@node1 ~]$ ls .sshid_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_keysoracle@node2's password: [oracle@node1 ~]$ ssh node2  cat .ssh/id_dsa.pub >>.ssh/authorized_keysoracle@node2's password: [oracle@node1 ~]$ scp .ssh/authorized_keys node2:~/.sshoracle@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 dateThu May  2 14:46:30 CST 2013[oracle@node1 ~]$ ssh node2-priv dateThe 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)? yesWarning: 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 dateThu May  2 14:48:19 CST 2013[oracle@node1 ~]$ ssh node1-priv dateThe 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)? yesWarning: 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。