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安装dns 机子ip地址是192.168.10.252yum install -y caching-nameserver* system-config-bind* bind*[root@localhost etc]# cd /var/named/chroot/etc/[root@localhost etc]# cp -p named.caching-nameserver.conf named.conf(1)配置named有5出需要配置成any[root@localhost etc]# vim named.conflisten-on port 53 { any; };allow-query .. 阅读全文
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(1)安装和配置集群的网络基本结构(2)选择高级安装(3)将中文添加到右侧边框,添加中文可避免在使用 em 时乱码(4)填写集群名称和scan的解析名称及端口,点击next(5)在弹出界面,点击add,填写节点2的信息(6)接口用法,公用 专用(7)为OCR和表决盘选择 ASM 存储方式(8)选择crsvol,并填写磁盘组名称,点击下一步(9)填写密码(10)不配置IPMI(11)默认组(12)指定安装位置 与环境变量中目录相同(13)产品清单 与环境变量中目录相同(14)开始安装(15)执行脚本顺序不能错[root@rac1 ~]# /oracle/app/oraInventory/orai 阅读全文
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ORACLE 高可用性(RAC)技术解决方案及实现过程目录一、基础知识介绍 41. RAC是什么 42. RAC的优缺点 43. Oracle RAC原理 5二、 RAID存储技术介绍 6三、 RAC系统结构设计 91. RAC系统拓扑结构基本如下图所示: 92. 主机操作系统系统 101) 用户组规划 102) 用户规划 113) 主机文件系统规划 113. 存储规划 114. 数据库RAC环境数据库规划 121) RAC环境信息 122) Oracle RAC软件组件 123) Oracle RAC网络规划 124) Oracle用户组信息 135) 表空间规划 136) 数据库备份规划 阅读全文
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#!/bin/sh#http://www.idevelopment.info/data/Oracle/DBA_tips/Oracle11gRAC/CLUSTER_12.shtml#iSCSISELFE_PRC=$0; export $SELFE_PRCservice iptalbes stopservice ip6tables stopservice ntpd stopservice sendmail stop#iscsiadm -m node -p 172.16.1.70 -T iqn.openfiler:70 -l -d 10#iscsiadm -m discovery -t sen... 阅读全文
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硬件要求三台node节点服务器一台DNS解析服务器一台openfile共享存储服务器配置好openfile和DNS后操作如下。本文以2个节点为例cd /usr/localunzip linux_11gR2_grid.zipunzip linux.x64_11gR2_database_1of2.zipunzip linux.x64_11gR2_database_2of2.ziprpm -ivh --nodeps oracleasmlib-2.0.4-1.el5.x86_64.rpmrpm -ivh --nodeps oracleasm-support-2.1.7-1.el5.x86_64.rpm 阅读全文
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The information in this guide is not validated by Oracle, is not supported by Oracle, and should only be used at your own risk; it is for educational purposes only.21. Install Oracle Grid Infrastructure for a ClusterPerform the following installation procedures from only one of the Oracle RAC nodes 阅读全文
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Build Your Own Oracle RAC 11gCluster on Oracle Linux and iSCSI (Continued)The information in this guide is not validated by Oracle, is not supported by Oracle, and should only be used at your own risk; it is for educational purposes only.13. Create Job Role Separation Operating System Privileges Gro 阅读全文
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Build Your Own Oracle RAC 11gCluster on Oracle Linux and iSCSIby Jeffrey Hunter Learn how to set up and configure an Oracle RAC 11gRelease 2 development cluster on Oracle Linux for less than US$2,700.The information in this guide is not validated by Oracle, is not supported by Oracle, and should on. 阅读全文
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[root@localhost ~]# su - oracle[oracle@localhost ~]$ lsnrctl startSQL> conn /as sysdbaConnected to an idle instance.SQL> select file_name from sys.dba_data_files;FILE_NAME--------------------------------------------------------------------------------/u01/app/oracle/oradata/yuchunju/users01.db 阅读全文
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--------------------对表的操作-------------------------- --创建表 create table classes ( id number(9) not null primary key, classname varchar2(40) not null ) --查询表 select * from classes;--删除表 drop table students;--修改表的名称 rename alist_table_copy to alist_table;--显示表结构 describe test --不对没查到------... 阅读全文