Oracle 10g RAC (Linux) ASM 共享存储的管理详解

Oracle 10g RAC (Linux) ASM 共享存储的管理详解

ASM 的管理（共享磁盘的管理）
1、以 instance 的方式管理 ASM，启动 database 之前必须先启动 ASM instance，，ASM instance 启动后，挂载 ASM 磁盘组。
———安装 ASM 管理软件、驱动
1、查看操作系统内核版本（OS Kernel 版本）
[root@rac11 ~]# uname -a
Linux rac11 2.6.9-67.ELsmp #1 SMP Wed Nov 7 13:58:04 EST 2007 i686 i686 i386 GNU/Linux
2、查看OS上是否安装ASM相关的软件
[root@rac01 ~]# rpm -qa |grep asm
Oracleasm-2.6.9-67.EL-2.0.3-1（注意和os kernel 版本一致）
oracleasmlib-2.0.4-1.el4
oracleasm-support-2.1.4-1.el4
安装ASM软件包
[root@rac22 asm]# rpm -Uvh oracleasm-support-2.1.4-1.el4.i386.rpm

[root@rac22 asm]# rpm -Uvh oracleasm-2.6.9-67.EL-2.0.3-1.i686.rpm

[root@rac22 asm]# rpm -Uvh oracleasmlib-2.0.4-1.el4.i386.rpm

[root@rac22 asm]# rpm -Uvh oracleasm-2.6.9-67.ELsmp-2.0.3-1.i686.rpm

[root@rac11 ~]# service oracleasm
Usage: /etc/init.d/oracleasm {start|stop|restart|enable|disable|configure|createdisk|deletedisk|querydisk|listdisks|scandisks|status}

[root@rac22 asm]# service oracleasm status
Checking if ASM is loaded: no
Checking if /dev/oracleasm is mounted: no
[root@rac22 asm]# service oracleasm enable
Writing Oracle ASM library driver configuration: done
Initializing the Oracle ASMLib driver: [ OK ]
Scanning the system for Oracle ASMLib disks: [ OK ]
[root@rac22 asm]# service oracleasm status
Checking if ASM is loaded: yes
Checking if /dev/oracleasm is mounted: yes
[root@rac11 ~]# chkconfig oracleasm on

———-查看 ASM instance 初始化参数文件

[oracle@rac22 dbs]$ cat init+ASM2.ora | grep -v ‘^#’

cluster_database=true

background_dump_dest=/u01/app/oracle/本文来源gaodai$ma#com搞$代*码*网(admin/+ASM/bdump
core_dump_dest=/u01/app/oracle/admin/+ASM/cdump
user_dump_dest=/u01/app/oracle/admin/+ASM/udump

instance_type=asm

large_pool_size=12M

remote_login_passwordfile=exclusive

asm_diskgroups=’DATA1′,’FRA’

+ASM2.instance_number=2
+ASM1.instance_number=1

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