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.oraINSTANCE_TYPE=ASM"/tmp/init+ASM.ora"6L, 225C 已写入 [oracle@gtser1~]$ cat /tmp/init+ASM.oraINSTANCE_TYPE=ASM*.instance_name="+ASM"*.asm_diskstring="/dev/raw/raw*"background_dump_dest=/u01/oracle/10g/admin/+ASM/bdumpcore_dump_dest=/u01/oracle/10g/admin/+ASM/cdumpuser_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 bytesFixedSize 2094512 bytesVariableSize 98568784 bytesASMCache 25165824 bytesORA-15110:no diskgroups mounted 创建spfileSQL>create spfile from pfile;createspfile from pfile*ERROR atline 1:ORA-01078:failure in processing system parametersLRM-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>exitDisconnectedfrom Oracle Database 10g Enterprise Edition Release 10.2.0.5.0 - 64bitProductionWith thePartitioning, OLAP, Data Mining and Real Application Testing options
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