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。
