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Oracle_11.2GRID_add_delete_node(v0.1).pdf
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2021-02-22
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Oracle 11.2 集群环境添加删除节点
V0.1
2013 3 24
Jian Zhang(张剑)
Oracle 全球技术支持
1 概述........................................................................................................................................... 2
2 适用范围 ................................................................................................................................... 2
3 系统环境 ................................................................................................................................... 2
4 添加节点前的准 ................................................................................................................... 3
4.1 配置新硬件服务 ....................................................................................................... 3
4.2 手动配置 SSH .............................................................................................................. 3
4.3 使用 CVU 检查新加节点的硬件 OS 环境 ............................................................. 3
4.4 备份 OCR ..................................................................................................................... 4
5 添加节点 ................................................................................................................................... 4
5.1 GRID (GI)层面添加节点 ........................................................................................ 4
5.2 RAC 层面添加节点................................................................................................. 7
5.3 运行 GRID_HOME/root.sh ....................................................................................... 10
5.4 DBCA 加数据库实例 ............................................................................................. 11
5.4.1
调整
Service ............................................................................................................ 18
6 添加节点后确认信息 ............................................................................................................. 18
6.1 Resource stat ............................................................................................................... 18
6.2 Opatch info .................................................................................................................. 19
6.3 olsnodes ....................................................................................................................... 19
6.4 undo and redo .............................................................................................................. 19
6.5 用户等效性 ................................................................................................................. 20
6.6 检查集群的完整 ..................................................................................................... 20
7 删除节点 ................................................................................................................................. 26
7.1 备份 OCR ................................................................................................................... 26
7.2 DBCA 除数据库实例 ............................................................................................. 27
7.2.1
调整
Service ............................................................................................................ 27
7.2.2 DBCA
删除实例
..................................................................................................... 27
7.3 RAC 层面删除节点............................................................................................... 33
7.4 GRID 层面删除节点 ............................................................................................. 36
8 节点删除后再添加回来 ......................................................................................................... 40
9 添加/删除节点总结 ................................................................................................................ 40
10 常见问题 ............................................................................................................................. 41
10.1 CVU 报错 PRVF-4007 .............................................................................................. 41
10.2 复制/etc/oratab 失败 ............................................................................................... 41
10.3 RDBMS_oracle_home/oui/bin/addNode.sh 报没有权限创建文件 ........................... 41
2
1 概述
本文主要测试 11.2.0.3 GRID 环境添加/删除节点。
添加/删除节点的详细步骤在 oracle 官方在线文档中有详细的描述,本文的测试就是在线
文档指导下进行的,并增加了测试过程的截图,以方便大家学习添加/删除节点的过程。如
果文档中有不清楚的地方,欢迎大家 oracle 中文社区(community) 中讨论。
在线文档:
Oracle Clusterware Administration and Deployment Guide 11g Release 2 (11.2)
>>>> 4 Adding and Deleting Cluster Nodes
http://docs.oracle.com/cd/E11882_01/rac.112/e16794/adddelclusterware.htm#CHDFIAIE
Oracle Real Application Clusters Administration and Deployment Guide 11g Release 2 (11.2)
>>>> 10 Adding and Deleting Oracle RAC from Nodes on Linux and UNIX Systems
http://docs.oracle.com/cd/E11882_01/rac.112/e16795/adddelunix.htm#BEICADHD
中文社区网址:
https://communities.oracle.com/portal/server.pt/community/%E6%95%B0%E6%8D%AE%E5%BA
%93/549
2 适用范围
+ 当现有集群节点压力过,可以增加新的节点来分担压力。
+ 当现有集群节点的重要文件损坏(比如 init 脚本等等)导致 GRID 无法启动,以通过删除/
加节点的方式修复。
+ 另外,还有一种特殊情况,当现有集群节点宕机无法开机的情况下,如何删除节点(这种
情况将在后续版本中测试)
3 系统环境
基本信息
GRID and RAC version is 11.2.0.3
ORACLE_BASE=/u01/app/oracle (本地文件系统)
GRID ORACLE_HOME=/u01/app/11.2.0/grid (本地文件系统)
RAC ORACLE_HOME =/u01/app/oracle/product/11.2.0/dbhome_1 (本地文件系统)
Scan Name/IP : rac-scan/192.0.2.202
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