Oracle-11g-R2 于 Linux 上的 RAC 卸载

安装环境:
SuSE Linux Enterprise Server 11 SP3
Oracle 11g 11.2.0.3
 
卸载步骤:
1.卸载 Database 软件(oracle,第一节点)
(1).运行  $ORACLE_HOME/deinstall/deinstall 脚本。
(2).按照导航执行如下。
(2-1).Specify the list of database names that are configured in this Oracle home []: 
注意:输入数据库名称,如果还未建库,则可缺省。
(2-2).Oracle Grid Infrastructure Home is: /u01/11.2.0/grid
The cluster node(s) on which the Oracle home deinstallation will be performed are:anxeccora01,anxeccora02
Oracle Home selected for deinstall is: /u01/app/oracle/product/11.2.0/db_1
Inventory Location where the Oracle home registered is: /u01/app/oraInventory
No Enterprise Manager configuration to be updated for any database(s)
No Enterprise Manager ASM targets to update
No Enterprise Manager listener targets to migrate
Checking the config status for CCR
anxeccora01 : Oracle Home exists with CCR directory, but CCR is not configured
anxeccora02 : Oracle Home exists with CCR directory, but CCR is not configured
CCR check is finished
Do you want to continue (y - yes, n - no)? [n]:
注意:  环境检查正常,输入 y 则继续删除操作。
2.检查 Database 软件卸载结果(oracle,每个节点)
查看 $ORACLE_HOME 目录是否已经被删除。如删除则说明卸载完毕。
3.卸载 Grid Infrastructure 软件(grid & root,第一节点 & 每个节点)
a.运行卸载脚本(grid,第一节点)
运行 $GI_HOME/deinstall/deinstall 脚本。
b.删除监听、ASM(grid,第一节点)
按照导航执行如下。
(1).Specify all RAC listeners (do not include SCAN listener) that are to be de-configured [LISTENER]:
注意:输入监听名称,请勿输入 SCAN 监听名称。
(2).Automatic Storage Management (ASM) instance is detected in this Oracle home /u01/11.2.0/grid.
ASM Diagnostic Destination : /u01/app/oracle
ASM Diskgroups : +ARCH,+DATA,+OCR_VOTE
ASM diskstring :
Diskgroups will be dropped
De-configuring ASM will drop all the diskgroups and it's contents at cleanup time. This will affect all of the databases and ACFS that use this ASM instance(s).
 If you want to retain the existing diskgroups or if any of the information detected is incorrect, you can modify by entering 'y'. Do you  want to modify above information (y|n) [n]: 
注意: 检查 ASM 配置,输入 n 则按当前参数删除 ASM。
(3).Oracle Grid Infrastructure Home is: /u01/11.2.0/grid
The cluster node(s) on which the Oracle home deinstallation will be performed are:anxeccora01,anxeccora02
Oracle Home selected for deinstall is: /u01/11.2.0/grid
Inventory Location where the Oracle home registered is: /u01/app/oraInventory
Following RAC listener(s) will be de-configured: LISTENER
ASM instance will be de-configured from this Oracle home
Do you want to continue (y - yes, n - no)? [n]:
注意: 环境检查正常,输入 y 则继续删除操作。
c.删除 CRS 配置(root,每个节点)
注意:按照导航执行如下。
(1).The deconfig command below can be executed in parallel on all the remote nodes. Execute the command on  the local node after the execution completes on all the remote nodes.
 
Run the following command as the root user or the administrator on node "anxeccora02".
 
/tmp/deinstall2016-10-25_04-06-46PM/perl/bin/perl -I/tmp/deinstall2016-10-25_04-06-46PM/perl/lib -I/tmp/deinstall2016-10-25_04-06-46PM/crs/install /tmp/deinstall2016-10-25_04-06-46PM/crs/install/rootcrs.pl -force  -deconfig -paramfile "/tmp/deinstall2016-10-25_04-06-46PM/response/deinstall_Ora11g_gridinfrahome1.rsp"
 
Run the following command as the root user or the administrator on node "anxeccora01".
 
/tmp/deinstall2016-10-25_04-06-46PM/perl/bin/perl -I/tmp/deinstall2016-10-25_04-06-46PM/perl/lib -I/tmp/deinstall2016-10-25_04-06-46PM/crs/install /tmp/deinstall2016-10-25_04-06-46PM/crs/install/rootcrs.pl -force  -deconfig -paramfile "/tmp/deinstall2016-10-25_04-06-46PM/response/deinstall_Ora11g_gridinfrahome1.rsp" -lastnode
 
Press Enter after you finish running the above commands
注意:应先在远端节点执行脚本,最后在本地节点执行脚本。执行脚本成功后,输入回车键。
d.删除残留文件(root,每个节点)
更具导航执行。
Run 'rm -rf /etc/oraInst.loc' as root on node(s) 'anxeccora01,anxeccora02' at the end of the session.
Run 'rm -rf /opt/ORCLfmap' as root on node(s) 'anxeccora01,anxeccora02' at the end of the session.
Run 'rm -rf /etc/oratab' as root on node(s) 'anxeccora01' at the end of the session.

转载于:https://www.cnblogs.com/autopenguin/p/5997255.html

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