思路来自于经典的<How to Proceed From a Failed 10g or 11.1 Oracle Clusterware (CRS) Installation (Doc ID 239998.1)>,并补充了一些11.2特有的内容. 卸载11.2 RAC的官方方法:How to Proceed from Failed 11gR2 Grid Infrastructure (CRS) Installation (Doc ID 942166.1).本次没有采用这个方法,其主要是执行de…