Oracle ASMlib磁盘创建

配置环境信息

[root@node1]# oracleasm configure -iConfiguring the Oracle ASM library driver.This will configure the on-boot properties of the Oracle ASMlibrarydriver.  The followingquestions will determine whether the driver isloaded on boot and what permissions it will have.  The current valueswill be shown in brackets ('[]'). Hitting <ENTER> without typing ananswer will keep that current value.  Ctrl-C will abort.Default user to own the driver interface []: gridDefault group to own the driver interface []: oinstallStart Oracle ASM library driver on boot (y/n) [n]: yScan for Oracle ASM disks on boot (y/n) [y]: yWriting Oracle ASM library driver configuration: done

环境初始化

[root@node1]# oracleasm initCreating /dev/oracleasm mount point: /dev/oracleasmLoading module "oracleasm": oracleasmMounting ASMlib driver filesystem: /dev/oracleasm

共享磁盘分区

[root@node1 ~]# fdisk /dev/sdcDevice contains neither a valid DOS partition table, nor Sun, SGIor OSF disklabelBuilding a new DOS disklabel. Changes will remain in memory only,until you decide to write them. After that, of course, thepreviouscontent won't be recoverable.Warning: invalid flag 0x0000 of partition table 4 will becorrected by w(rite)Command (m for help): nCommand action   e   extended   p   primary partition (1-4)pPartition number (1-4): 1First cylinder (1-652, default 1):Using default value 1Last cylinder or +size or +sizeM or +sizeK (1-652, default 652):Using default value 652Command (m for help): p ...Command (m for help): wThe partition table has been altered!Calling ioctl() to re-read partition table.Syncing disks.

创建ASM磁盘

[root@node1 ~]# oracleasm createdisk asmdata1 /dev/sdb1Writing disk header: doneInstantiating disk: done[root@node1  ~]# oracleasm createdisk asmdata2 /dev/sdc1Writing disk header: doneInstantiating disk: done

扫描磁盘

[root@node1 ~]# oracleasm scandisksReloading disk partitions: doneCleaning any stale ASM disks...Scanning system for ASM disks...

查看磁盘

[root@node1 ~]# oracleasm listdisks

查看对应关系

[root@node1 init.d]# ./oracleasm querydisk -v -p ASMDISK1Disk "ASMDISK1" is a valid ASM disk/dev/sdc: LABEL="ASMDISK1" TYPE="oracleasm" /dev/sdo: LABEL="ASMDISK1" TYPE="oracleasm" /dev/mapper/ASMDISK1: LABEL="ASMDISK1" TYPE="oracleasm"