描述：用NBU无法还原数据库到ASM磁盘，却可以还原到数据库本地磁盘
错误提示：
ORA-15025: could not open disk "/dev/mapper/DATA1"
ORA-27041: unable to open file
Linux-x86_64 Error: 13: Permission denied
Additional information: 9
ORA-15025: could not open disk "/dev/mapper/DATA3"
ORA-27041: unable to open file
Linux-x86_64 Error: 13: Permission denied
Additional information: 9
SUCCESS: diskgroup DATA was mounted
ORA-15025: could not open disk "/dev/mapper/DATA2"
ORA-27041: unable to open file
Linux-x86_64 Error: 13: Permission denied
Additional information: 9
ORA-15025: could not open disk "/dev/mapper/DATA4"
ORA-27041: unable to open file
Linux-x86_64 Error: 13: Permission denied
Additional information: 9
SUCCESS: diskgroup FRA was mounted
SUCCESS: diskgroup FRA was dismounted
Errors in file /home/u01/app/oracle/diag/rdbms/middb/middb1/trace/middb1_ora_53718.trc (incident=9929):
ORA-00600: internal error code, arguments: [kfioTranslateIO03], [], [], [], [], [], [], [], [], [], [], []
Incident details in: /home/u01/app/oracle/diag/rdbms/middb/middb1/incident/incdir_9929/middb1_ora_53718_i9929.trc
Use ADRCI or Support Workbench to package the incident.
See Note 411.1 at My Oracle Support for error and packaging details.
Tue Mar 13 23:13:16 2018
Dumping diagnostic data in directory=[cdmp_20180313231316], requested by (instance=1, osid=53718), summary=[incident=9929].
Errors in file /home/u01/app/oracle/diag/rdbms/middb/middb1/trace/middb1_ora_53718.trc (incident=9930):
ORA-00600: internal error code, arguments: [17090], [], [], [], [], [], [], [], [], [], [], []
Incident details in: /home/u01/app/oracle/diag/rdbms/middb/middb1/incident/incdir_9930/middb1_ora_53718_i9930.trc
Use ADRCI or Support Workbench to package the incident.
See Note 411.1 at My Oracle Support for error and packaging details.
Dumping diagnostic data in directory=[cdmp_20180313231317], requested by (instance=1, osid=53718), summary=[incident=9930].
ERROR: unrecoverable error ORA-600 raised in ASM I/O path; terminating process 53718
原因：权限问题
在安装oracle soft之后：
$ORACLE_HOME/bin/oracle文件属性权限为oracle:oninstall 751(-rwxr-x--x)
在用安装ASM建库(DBCA)时：
此文件属性会自动被修改为oracle:asmadmin6751(-rwsr-s--x)
在PSU apply之后：
此文件属性又被自动被修改为oracle:oinstall751(-rwxr-x--x)
解决方法：
hown oracle:asmadmin $ORACLE_HOME/bin/oracle
chmod 6751 $ORACLE_HOME/bin/oracle
参考大侠的blog：http://blog.csdn.net/tw7752/article/details/47023803