1,目前控制文件只有一个,为了安全性,计划增加到3个 SQLgt; select name from v$controlfile;NAME--------------------------
1,目前控制文件只有一个,为了安全性,计划增加到3个
SQL> select name from v$controlfile;
NAME
--------------------------------------------------------------------------------
+DATA/tyolap/controlfile/current.256.772291325
2,执行如下sql
alter system set control_files = '+DATA/tyolap/controlfile/control01.ctl','+DATA/tyolap/controlfile/control02.ctl','+DATA/tyolap/controlfile/control03.ctl' scope=spfile;
3,停止数据库
[grid@dtydb3 ~]$ srvctl stop database -d tyolap
4,复制控制文件
ASMCMD> pwd
+data/TYOLAP/CONTROLFILE
ASMCMD> ls
Current.256.772291325
test.ctl
ASMCMD> cp Current.256.772291325 control01.ctl
copying +data/TYOLAP/CONTROLFILE/Current.256.772291325 -> +data/TYOLAP/CONTROLFILE/control01.ctl
ASMCMD> cp Current.256.772291325 control02.ctl
copying +data/TYOLAP/CONTROLFILE/Current.256.772291325 -> +data/TYOLAP/CONTROLFILE/control02.ctl
ASMCMD> cp Current.256.772291325 control03.ctl
copying +data/TYOLAP/CONTROLFILE/Current.256.772291325 -> +data/TYOLAP/CONTROLFILE/control03.ctl
ASMCMD>
5,,重新启动数据库
[grid@dtydb3 ~]$ srvctl start database -d tyolap
6,验证结果
SQL> select name from v$controlfile;
NAME
--------------------------------------------------------------------------------
+DATA/tyolap/controlfile/control01.ctl
+DATA/tyolap/controlfile/control02.ctl
+DATA/tyolap/controlfile/control03.ctl

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