数据库|mysql教程
ASM,Oracle 11g在ASM磁盘组上添加控制文件,数
数据库-mysql教程
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ORACLE使用ASM存储，建库时默认只有一个控制文件，如果想多加几个控制文件，需要通过手工来添加，以下是具体步骤：
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1. 查看现在的控制文件
[oracle@Oracle-LAB dbs]$sqlplus /nolog
SQL> conn /assystem
SQL> conn /assysdba
SQL> set line 200
SQL> column nameformat a50
SQL> select * from v$controlfile;
STATUS NAME IS_ BLOCK_SIZE FILE_SIZE_BLKS
———- ———————————————— ———- —-
+DATA/orcl/controlfile/current.259.833372337 NO 16384 594
2.
SQL> alter system setcontrol_files=’+DATA/orcl/controlfile/current.259.833372337′,’+DATA’,’+FRA’scope=spfile sid=’*’;
System altered.
3.
SQL> shutdown immediate
Database closed.
Database dismounted.
ORACLEinstance shut down.
[oracle@Oracle-LAB/]$ rman target/
Recovery Manager:Release 11.2.0.3.0 – Production on Thu Dec 5 11:49:47
Copyright (c)1982, , Oracle and/or its affiliates. All rights reserved.
connected to target database (not started)
RMAN> startup nomount
Oracle instancestarted
Total SystemGlobal Area 1653518336 bytes
Fixed Size 2228904 bytes
VariableSize 973081944 bytes
DatabaseBuffers 671088640 bytes
Redo Buffers 7118848 bytes
RMAN> restore controlfile from ‘+DATA/orcl/controlfile/current.259.833372337’;
Starting restore at 05-DEC-13
using target database control fileinstead of recovery catalog
allocated channel: ORA_DISK_1
channel ORA_DISK_1: SID=14 devicetype=DISK
channel ORA_DISK_1: copied controlfile copy
output filename=+DATA/orcl/controlfile/current.259.833372337
output filename=+DATA/orcl/controlfile/current.261.833376309
output filename=+FRA/orcl/controlfile/current.256.833376309
Finishedrestore at 05-DEC-13
4. 打开数据库
RMAN> sql ‘ alter database mount’;
sqlstatement: alter database mount
released channel:ORA_DISK_1
RMAN> sql ‘alter database open’;
sql statement: alter database open
5. 验证控制文件是否添加成功
SQL> select name from v$controlfile;
NAME
——————————————————————————–
+DATA/orcl/controlfile/current.259.833372337
+DATA/orcl/controlfile/current.261.833376309
+FRA/orcl/controlfile/current.256.833376309
6.
SQL> alter system set control_files=’+DATA/orcl/controlfile/current.261.833376309′,’+DATA/orcl/controlfile/current.259.833372337′,’+FRA/orcl/controlfile/current.256.833376309′ scope=spfile sid=’*’;
System altered.
7.
SQL> shutdown immediate
SQL> startup
SQL> select name, value fromV$PARAMETER where name like ‘%control%’;
SQL> select * fromv$controlfile;
How to duplicate a controlfilewhen ASM is involved [ID 345180.1]
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