ORA-01102: cannot mount database in EXCLUSIVE mode

1.实例名：

select instance_name from v$instance;

2.服务名：

select global_name from global_name;

ORA-01102: cannot mount database in EXCLUSIVE mode

(1) cd $ORACLE_HOME/dbs
(2) ls
(3) fuser -u lkWWL
(4) fuser -k lkWWL