ORA-07391: sftopn: fopen error, unable to open text file-->解决方法
SQL>
SQL> create pfile='/home/oracle/oracle/pfile_test.ora' from spfile;
create pfile='/home/oracle/oracle/pfile_test.ora' from spfile
*
ERROR at line 1:
ORA-07391: sftopn: fopen error, unable to open text file.