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Linux安装单实例Oracle11g ASM

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풀어 주다: 2016-06-07 15:50:56
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环境: OS:Redhat 5.5 64Bit DB:Oracle 11.2.0.3 64Bit Grid/Database VM 虚拟机 说明:在Oracle10g 版本中两种是在一个介质中,11g是分为两个介质。 步骤: 1:Linux系统磁盘管理(磁盘组、裸设备等) 2:Grid软件安装 3:Database软件安装 4:ASM管理 一

环境:

OS:Redhat 5.5 64Bit

DB:Oracle 11.2.0.3 64Bit  Grid/Database

VM 虚拟机

说明:在Oracle10g 版本中两种是在一个介质中,11g是分为两个介质。


步骤:

1:Linux系统磁盘管理(磁盘组、裸设备等)

2:Grid软件安装

3:Database软件安装

4:ASM管理


一:Linux系统磁盘管理

一般情况下,我们都是在我的虚拟机做实验,所以,我一开始规划了硬盘存储比如40GB,安装完Linux操作系统,系统只有一个sda,而且默认情况下这个容量不能再分配空间了,我们需要再添加一块硬盘,使用fdisk命令如下

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[root@asm ~]# fdisk -l

 

Disk /dev/sda: 42.9 GB, 42949672960 bytes

255 heads, 63 sectors/track, 5221 cylinders

Units = cylinders of 16065 * 512 = 8225280 bytes

 

   Device Boot      Start         End      Blocks   Id  System

/dev/sda1   *           1          13      104391   83  Linux

/dev/sda2              14        5221    41833260   8e  Linux LVM

 

Disk /dev/sdb: 21.4 GB, 21474836480 bytes

255 heads, 63 sectors/track, 2610 cylinders

Units = cylinders of 16065 * 512 = 8225280 bytes

 

   Device Boot      Start         End      Blocks   Id  System

/dev/sdb1               1         974     7823623+  83  Linux

/dev/sdb2             975        1948     7823655   83  Linux

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新添加的一块磁盘 sdb 20GB ,我们就在这个磁盘上进行测试,我可以在sdb磁盘上创建分区,设置分区大小比如创建sdb1(8G),sdb2(8G)

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root@asm ~]# fdisk /dev/sdb

 

WARNING: DOS-compatible mode is deprecated. It's strongly recommended to

         switch off the mode (command 'c') and change display units to

         sectors (command 'u').

----------输入m 查看帮助

Command (m for help): m

Command action

   a   toggle a bootable flag

   b   edit bsd disklabel

   c   toggle the dos compatibility flag

   d   delete a partition

   l   list known partition types

   m   print this menu

   n   add a new partition

   o   create a new empty DOS partition table

   p   print the partition table

   q   quit without saving changes

   s   create a new empty Sun disklabel

   t   change a partition's system id

   u   change display/entry units

   v   verify the partition table

   w   write table to disk and exit

   x   extra functionality (experts only)

-------------输入p查看

Command (m for help): p

 

Disk /dev/sdb: 21.5 GB, 21474836480 bytes

255 heads, 63 sectors/track, 2610 cylinders

Units = cylinders of 16065 * 512 = 8225280 bytes

Sector size (logical/physical): 512 bytes / 512 bytes

I/O size (minimum/optimal): 512 bytes / 512 bytes

Disk identifier: 0xf9f81f26

 

   Device Boot      Start         End      Blocks   Id  System

-----------输入n新建分区(e是扩展分区,p是主要分区)

Command (m for help): n

Command action

   e   extended

   p   primary partition (1-4)

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-----------创建主分区,输入分区号1,设置大小+8G

p

Partition number (1-4): 1

First cylinder (1-2610, default 1):

Using default value 1

Last cylinder, +cylinders or +size{K,M,G} (1-2610, default 2610): +8G

 

Command (m for help): p

 

Disk /dev/sdb: 21.5 GB, 21474836480 bytes

255 heads, 63 sectors/track, 2610 cylinders

Units = cylinders of 16065 * 512 = 8225280 bytes

Sector size (logical/physical): 512 bytes / 512 bytes

I/O size (minimum/optimal): 512 bytes / 512 bytes

Disk identifier: 0xf9f81f26

 

   Device Boot      Start         End      Blocks   Id  System

/dev/sdb1               1        1045     8393931   83  Linux

 

Command (m for help): n

Command action

   e   extended

   p   primary partition (1-4)

p

Partition number (1-4): 2

First cylinder (1046-2610, default 1046):

Using default value 1046

Last cylinder, +cylinders or +size{K,M,G} (1046-2610, default 2610): +8G      

 

Command (m for help): p

 

Disk /dev/sdb: 21.5 GB, 21474836480 bytes

255 heads, 63 sectors/track, 2610 cylinders

Units = cylinders of 16065 * 512 = 8225280 bytes

Sector size (logical/physical): 512 bytes / 512 bytes

I/O size (minimum/optimal): 512 bytes / 512 bytes

Disk identifier: 0xf9f81f26

 

   Device Boot      Start         End      Blocks   Id  System

/dev/sdb1               1        1045     8393931   83  Linux

/dev/sdb2            1046        2090     8393962+  83  Linux

-----------输入w保存

Command (m for help): w

The partition table has been altered!

 

Calling ioctl() to re-read partition table.

 

WARNING: Re-reading the partition table failed with error 16: Device or resource busy.

The kernel still uses the old table. The new table will be used at

the next reboot or after you run partprobe(8) or kpartx(8)

Syncing disks.

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创建了两个分区,我们需要进行一个操作partprobe。

原因:linux上,在安装系统之后,创建分区并且在不重新启动机器的情况下系统能够识别这些分区需要使用partprobe。

到目前为止,我们的这些分区

1:可以直接Mount路径进行文件系统的存储

使用分区,要进行格式化,比如下面是格式化为ext3的文件系统mkfs.ext3  /dev/sdb1

2:Oracle数据库挂接裸设备

下面是怎么将分区文件映射为裸设备,我们需要在如下文件添加记录

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[root@asm ~]# more /etc/udev/rules.d/60-raw.rules

# Enter raw device bindings here.

#

# An example would be:

#   ACTION=="add", KERNEL=="sda", RUN+="/bin/raw /dev/raw/raw1 %N"

# to bind /dev/raw/raw1 to /dev/sda, or

#   ACTION=="add", ENV{MAJOR}=="8", ENV{MINOR}=="1", RUN+="/bin/raw /dev/raw/raw

2 %M %m"

# to bind /dev/raw/raw2 to the device with major 8, minor 1.

 

ACTION=="add", KERNEL=="sdb1", RUN+="/bin/raw /dev/raw/raw1 %N"

ACTION=="add", KERNEL=="sdb2", RUN+="/bin/raw /dev/raw/raw2 %N"

KERNEL=="raw*", OWNER="grid" GROUP="dba", MODE="0660"

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前两行是将我新创建的分区映射为不同的raw

然后是将我的文件权限赋予grid用户(后面安装Grid需要创建)

执行完毕,保存文件需要重启一下服务 start_udev

然后查看raw路径

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[root@asm ~]# ls /dev/raw

raw1  raw2

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二:安装Grid软件

其实安装Grid软件,比较简单,如果安装过DB软件,基本上一样,在安装界面有几个需要注意

1:创建grid用户  所属dba组

2:安装软件,在安装过程中需要注意如下界面

Linux安装单实例Oracle11g ASM

创建ASM磁盘组,名字griddg,选择相关的裸设备raw1

Linux安装单实例Oracle11g ASM

剩下的基本默认安装即可

3:配置一下grid用户的环境变量


安装完毕之后,可以查看操作系统是否有asm进程

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[grid@asm ~]$ ps -ef | grep  asm

avahi     3322     1  0 11:03 ?        00:00:00 avahi-daemon: running [asm.local]

grid     26982     1  0 12:51 ?        00:00:00 asm_pmon_+ASM

grid     26984     1  0 12:51 ?        00:00:00 asm_psp0_+ASM

grid     26986     1  0 12:51 ?        00:00:00 asm_vktm_+ASM

grid     26990     1  0 12:51 ?        00:00:00 asm_gen0_+ASM

grid     26992     1  0 12:51 ?        00:00:00 asm_diag_+ASM

grid     26994     1  0 12:51 ?        00:00:00 asm_dia0_+ASM

grid     26996     1  0 12:51 ?        00:00:00 asm_mman_+ASM

grid     26998     1  0 12:51 ?        00:00:00 asm_dbw0_+ASM

grid     27000     1  0 12:51 ?        00:00:00 asm_lgwr_+ASM

grid     27002     1  0 12:51 ?        00:00:00 asm_ckpt_+ASM

grid     27004     1  0 12:51 ?        00:00:00 asm_smon_+ASM

grid     27006     1  0 12:51 ?        00:00:00 asm_rbal_+ASM

grid     27008     1  0 12:51 ?        00:00:00 asm_gmon_+ASM

grid     27010     1  0 12:51 ?        00:00:00 asm_mmon_+ASM

grid     27012     1  0 12:51 ?        00:00:00 asm_mmnl_+ASM

grid     27081 27056  0 12:56 pts/4    00:00:00 grep asm

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同样,也可以连接sqlplus,查询相关视图信息

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login as: grid

grid@192.168.100.203's password:

Last login: Wed Dec 11 12:36:47 2013 from 192.168.100.111

-----------这里面必须使用sysasm来登录而不能使用sysdba

[grid@asm ~]$ sqlplus / as sysasm

 

SQL*Plus: Release 11.2.0.3.0 Production on Wed Dec 11 13:07:41 2013

 

Copyright (c) 1982, 2011, Oracle.  All rights reserved.

 

 

Connected to:

Oracle Database 11g Enterprise Edition Release 11.2.0.3.0 - 64bit Production

With the Automatic Storage Management option

 

SQL> set line 2000

SQL> set long 2000

---------查看磁盘状态,现在是两个裸设备Raw1和raw2,raw1已经被使用了创建griddg磁盘组了

SQL> select name,path from v$asm_disk;

 

NAME                           PATH

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

                               /dev/raw/raw2

GRIDDG_0000                    /dev/raw/raw1

 

 

-----------查看磁盘组状态,可以看到griddg是mounted状态

SQL> select name ,state from v$asm_diskgroup;

 

NAME                           STATE

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

GRIDDG                         MOUNTED

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关于ASM的相关视图,可以参考如下

Linux安装单实例Oracle11g ASM


同样,ASM也提供了ASMCMD命令来让用户更好的管理ASM

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[grid@asm ~]$ asmcmd

ASMCMD> help

 

            asmcmd [-V] [-v <errors>] [--privilege <s ysasm>] [-p] [command]

asmcmd_no_conn_str

 

        Starts asmcmd or executes the command

 

        asmcmd [-V] [-v <errors>] [--privilege <sysas m>] [-p] [command]

 

        The environment variables ORACLE_HOME and ORACLE_SID determine the

        instance to which the program connects, and ASMCMD establishes a

        bequeath connection to it, in the same manner as a SQLPLUS / AS

        SYSASM.  The user must be a member of the OSASM group.

 

        Specifying the -V option prints the asmcmd version number and

        exits immediately.

 

        Specifying the -v option prints extra information that can help

        advanced users diagnose problems.

 

        Specify the --privilege option to choose the type of connection. There a                                                                                                              re

        only two possibilities: connecting as SYSASM or as SYSDBA.

        The default value if this option is unspecified is SYSASM.

 

        Specifying the -p option allows the current directory to be displayed

        in the command prompt, like so:

 

        ASMCMD [+DATA/ORCL/CONTROLFILE] >

 

        [command] specifies one of the following commands, along with its

        parameters.

 

        Type "help [command]" to get help on a specific ASMCMD command.';

 

        commands:

        --------

 

        md_backup, md_restore

 

        lsattr, setattr

 

        cd, cp, du, find, help, ls, lsct, lsdg, lsof, mkalias

        mkdir, pwd, rm, rmalias

 

        chdg, chkdg, dropdg, iostat, lsdsk, lsod, mkdg, mount

        offline, online, rebal, remap, umount

 

        dsget, dsset, lsop, shutdown, spbackup, spcopy, spget

        spmove, spset, startup

 

        chtmpl, lstmpl, mktmpl, rmtmpl

 

        chgrp, chmod, chown, groups, grpmod, lsgrp, lspwusr, lsusr

        mkgrp, mkusr, orapwusr, passwd, rmgrp, rmusr

 

        volcreate, voldelete, voldisable, volenable, volinfo

        volresize, volset, volstat

</sysas></errors></s></errors>

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三:安装DB软件

在安装DB软件之前,需要使用ASMCA来创建数据磁盘组

Linux安装单实例Oracle11g ASM


点击创建

Linux安装单实例Oracle11g ASM

创建完毕之后,我们就可以安装DB软件了

安装DB软件,我们选择先安装软件,后建库的模式

Linux安装单实例Oracle11g ASM

安装完软件,配置好oracle用户的环境变量,然后执行dbca,选择自定义建库模式

Linux安装单实例Oracle11g ASM

在选择数据库存储的时候 选择ASM,然后选择区域即可

Linux安装单实例Oracle11g ASM

我们可以使用sqlplus连接,查看文件存储位置来确认是否建库完毕

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[oracle@asm ~]$ sqlplus / as sysdba

 

SQL*Plus: Release 11.2.0.3.0 Production on Wed Dec 11 17:58:29 2013

 

Copyright (c) 1982, 2011, Oracle.  All rights reserved.

 

 

Connected to:

Oracle Database 11g Enterprise Edition Release 11.2.0.3.0 - 64bit Production

With the Partitioning, Automatic Storage Management, OLAP, Data Mining

and Real Application Testing options

 

SQL> select name from v$datafile;

 

NAME

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

+DATADG/orcl/datafile/system.260.833896429

+DATADG/orcl/datafile/sysaux.261.833896455

+DATADG/orcl/datafile/undotbs1.262.833896477

+DATADG/orcl/datafile/users.264.833896499

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