ORA-00847: MEMORY_TARGET/MEMORY_MAX_TARGET and LOCK_SGA cannot be set together

1、问题描述

将Oracle LOCK_SGA参数设置为TRUE之后，报错；

SQL> show parameter LOCK_SGA;

NAME                                 TYPE        VALUE
------------------------------------ ----------- ------------------------------
lock_sga                             boolean     FALSE
SQL> alter system set LOCK_SGA=TRUE SCOPE=SPFILE;

System altered.

SQL> shutdown immediate;
Database closed.
Database dismounted.
ORACLE instance shut down.
SQL> startup
ORA-00847: MEMORY_TARGET/MEMORY_MAX_TARGET and LOCK_SGA cannot be set together
SQL> select open_mode from v$database;=
2  ;
select open_mode from v$database;=
*
ERROR at line 1:
ORA-01034: ORACLE not available
Process ID: 0
Session ID: 191 Serial number: 3

SQL> select open_mode from v$database;
select open_mode from v$database
*
ERROR at line 1:
ORA-01034: ORACLE not available
Process ID: 0
Session ID: 191 Serial number: 3

SQL> startup mount;
ORA-00847: MEMORY_TARGET/MEMORY_MAX_TARGET and LOCK_SGA cannot be set together
SQL>

2、解决办法

(a)、cp $ORACLE_BASE/admin/SID/pfile/init.ora.*********** $ORACLE_HOME/dbs/

(b)、mv init.ora.******** initSID.ora

(c)、create spfile from pfile;

(d)、alter database open;

(e)、ok