When 11g r2 is installed, the node cannot be displayed. Vendor Clusterware Detected. Cluster config

The node cannot be displayed when 11g r2 is installed. cluster configuration cannot be modified solves the problem that no node is displayed when rac 11.2.0.3 is installed on two AIX hosts with Oracle RAC 10g deleted today, prompting Vendor Clusterware detected. cluster configuration cannot be modified, including deleting the file set starting with cluster, as follows: cause: the oracle grid installer detects third-party Cluster software. If we do not need to use this software, or the software does not exist. So how does Oracle identify a third-party cluster? After a third-party cluster is installed, the Oracle RAC interface file is generated in a specific directory. This file is used to manage cluster members (CM ). In HPUX, the file is/opt/nmapi/nmapi2/lib/pa20_64. In AIX/Solaris/Linux, the file is/opt/ORCLcluster/lib/libskgxn2.so. You can delete/opt/ORCL *,/var/ha,/var/hacmp on AIX.