ORA-12705: Cannot access NLS data files or invalid environment specified

ASM实例无法启动

[grid@data ~]$ sqlplus / as sysasm

SQL*Plus: Release 11.2.0.4.0 Production on Fri Sep 11 09:00:34 2015

Copyright (c) 1982, 2013, Oracle. All rights reserved.

ERROR:

ORA-12705: Cannot access NLS data files or invalid environment specified

无法访问NLS数据或者非法的环境，检查grid用户的环境变量，发现NLS_LANG设置错误了

export NLS_LANG=AMERICAN_AMERICAN.AL32UTF8

正确的应该是

export NLS_LANG=AMERICAN_AMERICA.AL32UTF8

更正之后，就能连接ASM实例了

[grid@data ~]$ sqlplus / as sysasm

SQL*Plus: Release 11.2.0.4.0 Production on Fri Sep 11 09:04:15 2015

Copyright (c) 1982, 2013, Oracle. All rights reserved.

Connected to:
Oracle Database 11g Enterprise Edition Release 11.2.0.4.0 - 64bit Production
With the Automatic Storage Management option

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