Oracle11g RAC,bdca建库报错ORA-19624， ORA-19870

报错日志：
ERROR at line 1:
ORA-19624: operation failed, retry possible
ORA-19870: error reading backup piece
+DATA/rac/example01.dbfchange_on_install
LRM-00188:syntax error at '=' at the end of input
小弟刚刚接触数据库实在是搞不出来这是什么问题啊？2天了都没找到原因，重装也不行。

http://blog.sina.com.cn/s/blog_73094aef0102v999.html