1 從磁盤組中的spfile生成一個pfile
SQL> create pfile from spfile='+DGDATA1/orcl/PARAMETERFILE/spfile.256.1028992457';
2 修改不當得參數
cd $ORACLE_HOME/dbs
vi initorcl.ora
修改操作不當得參數。
3 按照pfile啓動數據庫到mount並生成新的spfile
[oracle@orclrac01 dbs]$ sqlplus / as sysdba
SQL*Plus: Release 19.0.0.0.0 - Production on Mon Jan 20 14:47:06 2020
Version 19.5.0.0.0
Copyright (c) 1982, 2019, Oracle. All rights reserved.
Connected to an idle instance.
SQL> startup mount pfile='/u01/app/oracle/product/19.3/db_1/dbs/initorcl1.ora';
ORACLE instance started.
Total System Global Area 3.7581E+11 bytes
Fixed Size 30159800 bytes
Variable Size 3.7044E+10 bytes
Database Buffers 2.5233E+11 bytes
Redo Buffers 506707968 bytes
In-Memory Area 8.5899E+10 bytes
Database mounted.
SQL> create spfile='+DGDATA1' from pfile;
File created.
SQL>
4 查看數據庫配置信息
[grid@orclrac01 ~]$ srvctl config database -d orcl
Database unique name: orcl
Database name: orcl
Oracle home: /u01/app/oracle/product/19.3/db_1
Oracle user: oracle
Spfile: +DGDATA1/orcl/PARAMETERFILE/spfile.348.1030200507
Password file: +DGDATA1/orcl/PASSWORD/pwdorcl
Domain:
Start options: open
Stop options: immediate
Database role: PRIMARY
Management policy: AUTOMATIC
Server pools:
Disk Groups: REDO,DGDATA1
Mount point paths:
Services: orclapp
Type: RAC
Start concurrency:
Stop concurrency:
OSDBA group: dba
OSOPER group: oper
Database instances: orcl1,orcl2
Configured nodes: orclrac01,orclrac02
CSS critical: no
CPU count: 0
Memory target: 0
Maximum memory: 0
Default network number for database services:
Database is administrator managed‘
5 啓動數據庫
[grid@orclrac01 ~]$ srvctl start database -d orcl