ORA-07391

SQL> create pfile='+DATA2/test_pfile.ora' from spfile;
create pfile='+DATA2/test_pfile.ora' from spfile
*
ERROR at line 1:
ORA-07391: sftopn: fopen error, unable to open text file.为什么向asm +DATA2下创建不了文件呢？谢谢啦！