安装好oracle后，起动时报如下错误：
[oracle@Oracle-A ~]$ export ORACLE_SID=ORCL [oracle@Oracle-A ~]$ sqlplus / as sysdba SQL*Plus: Release 11.2.0.4.0 Production on Tue Jun 12 21:39:26 2018 Copyright (c) 1982, 2013, Oracle. All rights reserved. Connected to an idle instance. SQL> startup ORA-01078: failure in processing system parameters LRM-00109: could not open parameter file ‘/u01/app/oracle/product/11.2.0/dbhome_1/dbs/initORCL.ora‘
复制如下位置的文件，如：
[oracle@Oracle-A dbhome_1]$ cp /u01/app/base/admin/orcl/pfile/init.ora.582018154558 /u01/app/oracle/product/11.2.0/dbhome_1/dbs/initORCL.ora
故障排除：
SQL> startup ORACLE instance started. Total System Global Area 835104768 bytes Fixed Size 2257840 bytes Variable Size 536874064 bytes Database Buffers 289406976 bytes Redo Buffers 6565888 bytes Database mounted. Database opened.
LRM-00109: could not open parameter file '/u01/app/oracle/product/12.1.0/db_1/dbs/initepps.ora'
原文：https://www.cnblogs.com/ld1977/p/9175214.html