首先是在两个节点的ORA_CRS_HOME目录下，以root身份分别执行./install/rootdelete.sh remote nosharedhome –force命令。
节点2上：
root@newtrade2 # cd /data/oracle/product/11.1/crs
root@newtrade2 # ./install/rootdelete.sh remote nosharedhome -force
Getting local node name
NODE = newtrade2
NAME=ora.rac11g.rac11g2.inst
TYPE=application
TARGET=OFFLINE STATE=OFFLINE
The database instance is still configured _disibledevent="/data/oracle/product/11.1/crs"
最后可以使用SILENT模式进行CLUSTER的卸载：
$ ./runInstaller -removeallfiles -silent -deinstall -responseFile /data/clusterware/response/crs_del.rsp
Starting Oracle Universal Installer...
Checking Temp space: must be greater than 180 MB. Actual 56149 MB Passed
Checking swap space: must be greater than 150 MB. Actual 57281 MB Passed
Preparing to launch Oracle Universal Installer from /tmp/OraInstall2008-09-22_04-13-07PM. Please wait ...$ Oracle Universal Installer, Version 11.1.0.6.0 Production
Copyright (C) 1999, 2007, Oracle. All rights reserved.
Starting deinstall

Deinstall in progress (Mon Sep 22 16:13:15 CST 2008)
WARNING:The directory: /data/oracle/product/11.1/crs will be deleted after deinstall.
Click on "Yes" to continue.
Click on "No" to perform deinstall without deleting the directory.

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