系统环境：
操作系统： AIX5.3
Cluster： Oracle 10gR2 CRS
Oracle： Oracle 10gR2
在RAC环境下重建控制文件和在单实例上类似，只是有些步骤需要注意：
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[oracle@aix211 ~]$cat mkln.sh
ln -s /dev/rsystem /u01/app/oracle/oradata/prod/system01.dbf
ln -s /dev/rsysaux /u01/app/oracle/oradata/prod/sysaux01.dbf
ln -s /dev/rusers /u01/app/oracle/oradata/prod/users01.dbf
ln -s /dev/rundotbs1 /u01/app/oracle/oradata/prod/undotbs01.dbf
ln -s /dev/rundotbs2 /u01/app/oracle/oradata/prod/undotbs02.dbf
ln -s /dev/rtemp /u01/app/oracle/oradata/prod/temp01.dbf
ln -s /dev/rcontrol1_1 /u01/app/oracle/oradata/prod/control01.ctl
ln -s /dev/rcontrol2_2 /u01/app/oracle/oradata/prod/control02.ctl
ln -s /dev/rcontrol3_3 /u01/app/oracle/oradata/prod/control03.ctl
ln -s /dev/rredo1_1 /u01/app/oracle/oradata/prod/log11.log
ln -s /dev/rredo1_2 /u01/app/oracle/oradata/prod/log12.log
ln -s /dev/rredo2_1 /u01/app/oracle/oradata/prod/log21.log
ln -s /dev/rredo2_2 /u01/app/oracle/oradata/prod/log22.log
ln -s /dev/rindex /u01/app/oracle/oradata/prod/index01.dbf
ln -s /dev/rspfile /u01/app/oracle/oradata/prod/spfile01
ln -s /dev/rexample /u01/app/oracle/oradata/prod/example01.dbf
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Database存储在在RAW上。
1、首先在一个节点备份controlfile
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[oracle@aix201 ~]$sqlplus
'/as sysdba'
SQL*Plus: Release
10.2.
0.1.
0
- Production
on
Mon Mar
23
16
:
16
:
07
2015
Copyright (c)
1982
,
2005
, Oracle. All rights reserved.
Connected to:
Oracle Database 10g Enterprise Edition Release
10.2.
0.1.
0
- 64bit Production
With the Partitioning, Real Application Clusters, OLAP
and
Data Mining options
SQL> select status
from
v$instance;
STATUS
------------
OPEN
SQL> alter database backup controlfile to trace;
Database altered.
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2、查看控制文件的trace备份（udump）
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CREATE CONTROLFILE REUSE DATABASE
"PROD"
NORESETLOGS NOARCHIVELOG
MAXLOGFILES
192
MAXLOGMEMBERS
3
MAXDATAFILES
1024
MAXINSTANCES
32
MAXLOGHISTORY
292
LOGFILE
GROUP
1
'/u01/app/oracle/oradata/prod/log11.log'
SIZE 50M,
GROUP
2
'/u01/app/oracle/oradata/prod/log12.log'
SIZE 50M,
GROUP
3
'/u01/app/oracle/oradata/prod/log21.log'
SIZE 50M,
GROUP
4
'/u01/app/oracle/oradata/prod/log22.log'
SIZE 50M
-- STANDBY LOGFILE
DATAFILE
'/u01/app/oracle/oradata/prod/system01.dbf'
,
'/u01/app/oracle/oradata/prod/undotbs01.dbf'
,
'/u01/app/oracle/oradata/prod/sysaux01.dbf'
,
'/u01/app/oracle/oradata/prod/users01.dbf'
,
'/u01/app/oracle/oradata/prod/example01.dbf'
,
'/u01/app/oracle/oradata/prod/undotbs02.dbf'
CHARACTER SET ZHS16GBK
;
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3、关闭database，启动其中一个instance到弄mount
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SQL> startup nomount;
ORACLE instance started.
Total System Global Area
612368384
bytes
Fixed Size
2022832
bytes
Variable Size
184549968
bytes
Database Buffers
423624704
bytes
Redo Buffers
2170880
bytes
SQL> @/home/oracle/cr_ctr.sql
CREATE CONTROLFILE REUSE DATABASE
"PROD"
NORESETLOGS NOARCHIVELOG
*
ERROR
at
line
1
:
ORA
-01503
: CREATE CONTROLFILE failed
ORA
-12720
: operation requires database is
in
EXCLUSIVE mode
SQL> show parameter cluster
NAME TYPE VALUE
------------------------------------ ----------- ------------------------------
cluster_database boolean TRUE
cluster_database_instances integer
2
cluster_interconnects string
---创建失败，原因是在RAC下控制文件时处于共享（share）模式，需启动到独立（
exclusive
）模式，才能重建；修改cluster_database 为
false
，然后重建
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重新建立控制文件：
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SQL> alter system set cluster_database =
false
scope=spfile;
System altered.
SQL> startup nomount
ORACLE instance started.
Total System Global Area
612368384
bytes
Fixed Size
2022832
bytes
Variable Size
184549968
bytes
Database Buffers
423624704
bytes
Redo Buffers
2170880
bytes
SQL> show parameter cluster
NAME TYPE VALUE
------------------------------------ ----------- ------------------------------
cluster_database boolean FALSE
cluster_database_instances integer
1
cluster_interconnects string
SQL> @/home/oracle/cr_ctr.sql
Control file created.
告警日志：
alter.log:
Mon Mar
23
16
:
41
:
00
2015
CREATE CONTROLFILE REUSE DATABASE
"PROD"
NORESETLOGS NOARCHIVELOG
MAXLOGFILES
192
MAXLOGMEMBERS
3
MAXDATAFILES
1024
MAXINSTANCES
32
MAXLOGHISTORY
292
LOGFILE
GROUP
1
'/u01/app/oracle/oradata/prod/log11.log'
SIZE 50M,
GROUP
2
'/u01/app/oracle/oradata/prod/log12.log'
SIZE 50M,
GROUP
3
'/u01/app/oracle/oradata/prod/log21.log'
SIZE 50M,
GROUP
4
'/u01/app/oracle/oradata/prod/log22.log'
SIZE 50M
-- STANDBY LOGFILE
DATAFILE
'/u01/app/oracle/oradata/prod/system01.dbf'
,
'/u01/app/oracle/oradata/prod/undotbs01.dbf'
,
'/u01/app/oracle/oradata/prod/sysaux01.dbf'
,
'/u01/app/oracle/oradata/prod/users01.dbf'
,
'/u01/app/oracle/oradata/prod/example01.dbf'
,
'/u01/app/oracle/oradata/prod/undotbs02.dbf'
CHARACTER SET ZHS16GBK
Mon Mar
23
16
:
41
:
00
2015
WARNING: Default Temporary Tablespace
not
specified
in
CREATE DATABASE command
Default Temporary Tablespace will be necessary
for
a locally managed database
in
future release
WARNING: You are creating/reusing datafile /u01/app/oracle/oradata/prod/control01.ctl.
WARNING: Oracle recommends creating
new
datafiles
on
devices
with
zero offset. The command
"/usr/sbin/mklv -y LVname -T O -w n -s n -r n VGname NumPPs"
can be used. Please contact Oracle customer support
for
more details.
WARNING: You are creating/reusing datafile /u01/app/oracle/oradata/prod/control01.ctl.
WARNING: Oracle recommends creating
new
datafiles
on
devices
with
zero offset. The command
"/usr/sbin/mklv -y LVname -T O -w n -s n -r n VGname NumPPs"
can be used. Please contact Oracle customer support
for
more details.
WARNING: You are creating/reusing datafile /u01/app/oracle/oradata/prod/control02.ctl.
WARNING: Oracle recommends creating
new
datafiles
on
devices
with
zero offset. The command
"/usr/sbin/mklv -y LVname -T O -w n -s n -r n VGname NumPPs"
can be used. Please contact Oracle customer support
for
more details.
WARNING: You are creating/reusing datafile /u01/app/oracle/oradata/prod/control02.ctl.
WARNING: Oracle recommends creating
new
datafiles
on
devices
with
zero offset. The command
"/usr/sbin/mklv -y LVname -T O -w n -s n -r n VGname NumPPs"
can be used. Please contact Oracle customer support
for
more details.
Setting recovery target incarnation to
1
Mon Mar
23
16
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41
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05
2015
Successful mount of redo thread
1
,
with
mount id
286981148
Mon Mar
23
16
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41
:
05
2015
Completed: CREATE CONTROLFILE REUSE DATABASE
"PROD"
NORESETLOGS NOARCHIVELOG
MAXLOGFILES
192
MAXLOGMEMBERS
3
MAXDATAFILES
1024
MAXINSTANCES
32
MAXLOGHISTORY
292
LOGFILE
GROUP
1
'/u01/app/oracle/oradata/prod/log11.log'
SIZE 50M,
GROUP
2
'/u01/app/oracle/oradata/prod/log12.log'
SIZE 50M,
GROUP
3
'/u01/app/oracle/oradata/prod/log21.log'
SIZE 50M,
GROUP
4
'/u01/app/oracle/oradata/prod/log22.log'
SIZE 50M
-- STANDBY LOGFILE
DATAFILE
'/u01/app/oracle/oradata/prod/system01.dbf'
,
'/u01/app/oracle/oradata/prod/undotbs01.dbf'
,
'/u01/app/oracle/oradata/prod/sysaux01.dbf'
,
'/u01/app/oracle/oradata/prod/users01.dbf'
,
'/u01/app/oracle/oradata/prod/example01.dbf'
,
'/u01/app/oracle/oradata/prod/undotbs02.dbf'
CHARACTER SET ZHS16GBK
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4、重建成功，启动到open
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SQL> select status
from
v$instance;
STATUS
------------
MOUNTED
SQL> alter database open;
Database altered.
添加临时表空间数据文件：
SQL> select name
from
v$tempfile;
no rows selected
SQL> select tablespace_name
from
dba_tablespaces;
TABLESPACE_NAME
------------------------------
SYSTEM
UNDOTBS1
SYSAUX
TEMP
USERS
UNDOTBS2
EXAMPLE
7
rows selected.
SQL> alter tablespace temp add
2
tempfile
'/u01/app/oracle/oradata/prod/temp01.dbf'
size 100m reuse;
Tablespace altered.
SQL> select name
from
v$tempfile;
NAME
--------------------------------------------------------------------------------
/u01/app/oracle/oradata/prod/temp01.dbf
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5、修改cluster_database参数，启动所有instance
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SQL> alter system set cluster_database =
true
scope=spfile;
System altered.
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启动所有Instance，如果所有instance启动成功，则controlfile重建成功。
本文转自 客居天涯 51CTO博客，原文链接：http://blog.51cto.com/tiany/1623515，如需转载请自行联系原作者
