创建ASM With Oracle 10g


由于后文会相关的演示操作会用到ASM实例，因此在文章的开始就先创建一个简单的ASM实例，后面再开始详细的介绍ASM。

下面是创建一个ASM Instance的具体操作过程：

创建ASM实例的相关目录

[Oracle@gtser1~]$ mkdir -p $ORACLE_BASE/admin/+ASM/bdump

[oracle@gtser1~]$ mkdir -p $ORACLE_BASE/admin/+ASM/cdump

[oracle@gtser1~]$ mkdir -p $ORACLE_BASE/admin/+ASM/hdump

[oracle@gtser1~]$ mkdir -p $ORACLE_BASE/admin/+ASM/pfile

[oracle@gtser1~]$ mkdir -p $ORACLE_BASE/admin/+ASM/udump

准备pfile的初始化参数

[oracle@gtser1~]$ vi /tmp/init+ASM.ora

INSTANCE_TYPE=ASM

"/tmp/init+ASM.ora"6L, 225C 已写入                                                                                                                                       

[oracle@gtser1~]$ cat /tmp/init+ASM.ora

INSTANCE_TYPE=ASM

*.instance_name='+ASM'

*.asm_diskstring='/dev/raw/raw*'

background_dump_dest=/u01/oracle/10g/admin/+ASM/bdump

core_dump_dest=/u01/oracle/10g/admin/+ASM/cdump

user_dump_dest=/u01/oracle/10g/admin/+ASM/udump

启动ASM实例

[oracle@gtser1~]$ export ORACLE_SID=+ASM

[oracle@gtser1~]$ sqlplus "/as sysdba"

 

SQL*Plus:Release 10.2.0.5.0 - Production on Sat Feb 23 15:20:17 2013

 

Copyright(c) 1982, 2010, Oracle.  All RightsReserved.

 

Connectedto an idle instance.

 

SQL>startup pfile='/tmp/init+ASM.ora'

ASMinstance started

 

TotalSystem Global Area  125829120 bytes

FixedSize                  2094512 bytes

VariableSize              98568784 bytes

ASMCache                  25165824 bytes

ORA-15110:no diskgroups mounted

 

创建spfile

SQL>create spfile from pfile;

createspfile from pfile

*

ERROR atline 1:

ORA-01078:failure in processing system parameters

LRM-00109:could not open parameter file

'/u01/oracle/10g/product/10.2.0/db_1/dbs/init+ASM.ora'

 

 

SQL>create spfile from pfile='/tmp/init+ASM.ora';

 

Filecreated.

查看实例信息

SQL>select instance_name,host_name,version,database_status from v$instance;

 

INSTAHOST_NAM VERSION    DATABASE

------------- ---------- --------

+ASM  gtser1  10.2.0.5.0 ACTIVE

查看磁盘信息

GROUP_NUMBERDISK_NUMBER NAME  HEADER_STATUS            FAILGROUP CREATE_DATE    PATH

----------------------- ----- ------------------------ --------- ----------------------------

          0          0      CANDIDATE                                        /dev/raw/raw4

          0          1      CANDIDATE                                        /dev/raw/raw2

          0          2      CANDIDATE                                        /dev/raw/raw3

          0          0      CANDIDATE                                        /dev/raw/raw1

查看磁盘组信息

SQL>select group_number,name,state,type,total_mb,free_mb from v$asm_diskgroup orderby 1,2;

 

no rowsselected

 

SQL>exit

Disconnectedfrom Oracle Database 10g Enterprise Edition Release 10.2.0.5.0 - 64bitProduction

With thePartitioning, OLAP, Data Mining and Real Application Testing options

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