[置顶] Oracle 11g ASM:如何在 ASMCMD 命令行工具中创建 Oracle ACFS 文件系统

实验环境:Oracle 11g R2 RAC (11.2.0.3.5)
               Oracle Enterprise Linux 5.6 x86

1、创建 ASM 磁盘组
在两节点挂好磁盘后,在第一节点上对磁盘进行分区
[root@rac1 ~]# fdisk -l
Disk /dev/sde: 2147 MB, 2147483648 bytes
255 heads, 63 sectors/track, 261 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

   Device Boot      Start         End      Blocks   Id  System
/dev/sde1               1         261     2096451   83  Linux

在第1节点上创建 ASM 磁盘
[root@rac1 ~]# oracleasm createdisk GOLDENGATE /dev/sde1
[root@rac1 ~]# oracleasm scandisks
[root@rac1 ~]# oracleasm listdisks
DATA
FRA
GOLDENGATE
OCR_VOTE
在第2节点上扫描ASM磁盘
[root@rac2 ~]# oracleasm listdisks
DATA
FRA
GOLDENGATE
OCR_VOTE

在第一节点上切换到 grid 用户下,执行 ASMCA 创建 ASM 磁盘组
要在 ASM diskgroup 上创建 Oracle ADVM volume ,diskgroup 的 COMPATIBLE.ASM 和 COMPATIBLE.ADVM 兼容性必须 设置为 11.2.0.2。
可以在创建磁盘组时选择“Advanced Options”设置diskgroup的该属性,也可以通过 sql 命令创建磁盘组或者修改磁盘组的该属性,
方法如下:
ALTER DISKGROUP goldengate SET ATTRIBUTE 'compatible.asm' = '11.2.0.2';
ALTER DISKGROUP goldengate SET ATTRIBUTE 'compatible.rdbms' = '11.2.0.2';
ALTER DISKGROUP goldengate SET ATTRIBUTE 'compatible.advm' = '11.2.0.2';


2、创建 Oracle  ADVM volume

切换到grid用户下,进入ASMCMD命令行界面
su - grid
[grid@rac1 ~]$ export ORACLE_SID=+ASM1
[grid@rac1 ~]$ asmcmd
核实刚刚创建的ASM磁盘组的实际大小
ASMCMD> lsdg
State    Type    Rebal  Sector  Block       AU  Total_MB  Free_MB  Req_mir_free_MB  Usable_file_MB  Offline_disks  Voting_files  Name
MOUNTED  EXTERN  N         512   4096  1048576      5114     3027                0            3027              0             N  DATA/
MOUNTED  EXTERN  N         512   4096  1048576      5114     4613                0            4613              0             N  FRA/
MOUNTED  EXTERN  N         512   4096  1048576      2047       29                0              29              0             N  GOLDENGATE/
MOUNTED  EXTERN  N         512   4096  1048576      2047     1651                0            1651              0             Y  OCR_VOTE/
创建 Oracle ADVM 卷
ASMCMD> volcreate -G GOLDENGATE -s 1900m GOLDENGATE
注意这里 -s 选项指定的大小一定不得超过lsdg 显示的实际大小值,否则会报如下错误:
ASMCMD> volcreate -G GOLDENGATE -s 1950m GOLDENGATE
ORA-15032: not all alterations performed
ORA-15041: diskgroup "GOLDENGATE" space exhausted (DBD ERROR: OCIStmtExecute)
确定Oracle ADVM 卷是否创建
ASMCMD> volinfo -G GOLDENGATE GOLDENGATE
Diskgroup Name: GOLDENGATE

         Volume Name: GOLDENGATE
         Volume Device: /dev/asm/goldengate-257
         State: ENABLED
         Size (MB): 1920
         Resize Unit (MB): 32
         Redundancy: UNPROT
         Stripe Columns: 4
         Stripe Width (K): 128
         Usage: 
         Mountpath: 
SQL> col volume_device for a30
SQL> col volume_name for a30
SQL> SELECT volume_name, volume_device FROM V$ASM_VOLUME 
  2       WHERE volume_name ='GOLDENGATE';

VOLUME_NAME                    VOLUME_DEVICE
------------------------------ ------------------------------
GOLDENGATE                     /dev/asm/goldengate-257
3、创建Oracle ACFS 文件系统
[root@rac1 ~]# /sbin/mkfs -t acfs /dev/asm/goldengate-257
mkfs.acfs: version                   = 11.2.0.3.0
mkfs.acfs: on-disk version           = 39.0
mkfs.acfs: volume                    = /dev/asm/goldengate-257
mkfs.acfs: volume size               = 2013265920
mkfs.acfs: Format complete.
在节点1和2上分别创建 ACFS 文件系统的挂载点
[root@rac1 ~]# su - oracle
[oracle@rac1 ~]$ mkdir -p /home/oracle/ggs
[root@rac2 ~]# su - oracle
[oracle@rac2 ~]$ mkdir -p /home/oracle/ggs
在集群 mount registery 中注册刚刚创建的 ACFS 文件系统,也可以不注册,直接手动挂载。
注册 ACFS 文件系统的好处是在集群每隔30秒检查 mount registery 时会在每个节点自动挂载该文件系统,同时当集群软件或系统重启后也会自动挂载该文件系统。
[root@rac1 ~]# /sbin/acfsutil registry -a /dev/asm/goldengate-257 /home/oracle/ggs
acfsutil registry: mount point /home/oracle/ggs successfully added to Oracle Registry
手动挂载命令如下:
[root@rac1 ~]# /bin/mount -t acfs /dev/asm/goldengate-257 /home/oracle/ggs
执行注册命令后等待30秒,然后在各节点查看ACFS文件系统是否挂载
[root@rac1 ~]# df -h
Filesystem            Size  Used Avail Use% Mounted on
/dev/sda1              30G   20G  7.7G  73% /
/dev/sda3            1003M   39M  914M   5% /tmp
tmpfs                 1.3G  454M  814M  36% /dev/shm
/dev/asm/goldengate-257
                      1.9G   73M  1.9G   4% /home/oracle/ggs
[oracle@rac2 ~]$ df -h
Filesystem            Size  Used Avail Use% Mounted on
/dev/sda1              30G   21G  7.3G  74% /
/dev/sda3            1003M   39M  914M   5% /tmp
tmpfs                 1.3G  450M  818M  36% /dev/shm
/dev/asm/goldengate-257
                      1.9G  137M  1.8G   8% /home/oracle/ggs
4、测试文件系统
[root@rac1 ~]# chown -R oracle:oinstall /home/oracle/ggs
第一节点
[oracle@rac1 ~]$ echo "Oracle ACFS File System" > /home/oracle/ggs/acfs.log
[oracle@rac1 ggs]$ more /home/oracle/ggs/acfs.log
Oracle ACFS File System
第二节点
[oracle@rac2 ~]$ more /home/oracle/ggs/acfs.log
Oracle ACFS File System


转载请注明作者出处及原文链接,否则将追究法律责任:

作者:xiangsir

原文链接:http://blog.csdn.net/xiangsir/article/details/10007779

QQ:444367417

MSN:xiangsir@hotmail.com

posted on 2013-08-18 21:28  you Richer  阅读(635)  评论(0编辑  收藏  举报