1、报错
NOTE: Loaded library: System
ORA-15025: could not open disk "/dev/asm-diske"
ORA-27041: unable to open file
Linux-x86_64 Error: 13: Permission denied
Additional information: 9
SUCCESS: diskgroup DATADG was dismounted
ERROR: diskgroup DATADG was not mounted
ORA-00210: cannot open the specified control file
ORA-00202: control file: '+DATADG/orcldg/controlfile/current.257.979554121'
ORA-17503: ksfdopn:2 Failed to open file +DATADG/orcldg/controlfile/current.257.979554121
ORA-15001: diskgroup "DATADG" does not exist or is not mounted
ORA-15040: diskgroup is incomplete
ORA-205 signalled during: ALTER DATABASE MOUNT /* db agent *//* {1:32252:359} */...
Sat Jun 23 11:44:45 2018
Shutting down instance (abort)
License high water mark = 1
USER (ospid: 6783): terminating the instance
Instance terminated by USER,pid = 6783
Sat Jun 23 11:44:45 2018
Instance shutdown complete

2、权限
[root@roidb4 ~]# su - oracle
<roidb4:orcl2:/home/oracle>$ls -l $ORACLE_HOME/bin/oracle
-rwsr-s--x 1 oracle oinstall 239626689 Jun 16 22:42 /u01/app/oracle/product/11.2.0/dbhome_1/bin/oracle
<roidb4:orcl2:/home/oracle>$

3、修改权限
Solution:
chown oracle:asmadmin /u01/app/oracle/product/11.2.0/dbhome_1/bin/oracle
chmod 6751 /u01/app/oracle/product/11.2.0/dbhome_1/bin/oracle

4、问题解决
[root@roidb4 ~]# su - oracle
<roidb4:orcl2:/home/oracle>$
<roidb4:orcl2:/home/oracle>$ls -l $ORACLE_HOME/bin/oracle
-rwsr-s--x 1 oracle asmadmin 239626689 Jun 16 22:42 /u01/app/oracle/product/11.2.0/dbhome_1/bin/oracle
<roidb4:orcl2:/home/oracle>$