Oracle11.2.0.4 RAC GI ORA-15003: diskgroup "XXXX" already mounted in another lock name space

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安装GI,在执行root.sh时报错:

Disk Group CRSDG creation failed with the following message:
ORA-15018: diskgroup cannot be created
ORA-15017: diskgroup "CRSDG" cannot be mounted
ORA-15003: diskgroup "CRSDG" already mounted in another lock name space

原因是在两个节点上同时执行了root.sh。

解决办法 (as root):

1 [root@vdb1 /]# cd $ORACLE_HOME/crs/install/  --ORACLE_HOME=/g01/grid/app/11.2.0/grid
2 [root@vdb1 install]# ./rootcrs.pl -deconfig -force -verbose
3 [root@vdb1 install]# ./roothas.pl -deconfig -force -verbose

然后重新两边执行root.sh即可。

原文地址:https://www.cnblogs.com/mawanglin2008/p/3928380.html