linux下Oracle11g RAC搭建(四)

linux下Oracle11g RAC搭建(四)

三、配置共享存储 

配置ASM管理准备

 

1)OCRDISK :存储CRS资源配置信息

2)VOTEDISK:仲裁盘,记录节点状态

3)DataDisk:存放datafile、controlfile、redologfile、spfile等

4)RecoveryArea:存放flashbackdatabase log、archivelog、rmanbackup等

 

安装asm软件包

分别在node1node2安装

 

node1下:

[root@node1 ~]# cd /soft

[root@node1 soft]# ls

 

asm linux_11gR2_database_1of2.zip linux_11gR2_database_2of2.zip linux_11gR2_grid.zip

 

[root@node1 asm]# cd asm

[root@node1 asm]# ls

oracleasm-2.6.18-194.el5-2.0.5-1.el5.i686.rpm

oracleasmlib-2.0.4-1.el5.i386.rpm

oracleasm-support-2.1.3-1.el5.i386.rpm

 

注意和内核版本的匹配

 说明:

1、查看到asm软件包版本2.6.18-194.el5,系统内核版本2.6.18-194.el5,两者匹配,可以继续安装;

2、i386代表32位。

 

[root@node1 asm]# uname-a  uname -r

//检查系统内核版本是否和asm版本相同

Linux node1 2.6.18-194.el5 #1 SMP Tue Mar 16 21:52:43 EDT 2010 i686 i686i386 GNU/Linux


linux下Oracle11g RAC搭建(四)

node1下安装软件包

[root@node1 asm]# rpm -ivh *

//安装3个软件包,i-install,v-安装过程,h-显示安装信息,*-全部软件包


linux下Oracle11g RAC搭建(四)


 [root@node1 asm]# rpm -qa |grep asm    //查看安装完成的信息


linux下Oracle11g RAC搭建(四)


node2下安装软件包

node2下:

[root@node1 /]# scp/soft/asm/* node2:/home/oracle/

 //把asm下的软件包从node1拷贝到node2下面

[root@node1 soft]# scp -r asm  node2:/home/oracle/


linux下Oracle11g RAC搭建(四)


[root@node2 ~]#cd/home/oracle

[root@node2 oracle]# ls

 

oracleasm-2.6.18-194.el5-2.0.5-1.el5.i686.rpm

oracleasmlib-2.0.4-1.el5.i386.rpm

oracleasm-support-2.1.3-1.el5.i386.rpm

 

[root@node2 asm]# rpm -ivh *


linux下Oracle11g RAC搭建(四)


1)在共享阵列上建立分区

node1分区,完成后在node2查看

 

OCR+VOTE盘:31G

DATABASE 盘:25G

RECOVERY盘:24G

 

31G的为OCR_VOTE1      其中两个为镜像

25G的为ASM_DATA1     其中一个为镜像

24G的为ASM_RCY1        其中一个为镜像

 

[root@node1 ~]# fdisk -l

 //查看磁盘信息

Disk /dev/sda: 21.4 GB, 21474836480bytes

255 heads, 63 sectors/track, 2610cylinders

Units = cylinders of 16065 * 512 =8225280 bytes

 

  Device Boot      Start         End      Blocks  Id  System

/dev/sda1   *          1          13      104391  83  Linux

/dev/sda2              14        2610   20860402+  8e  Linux LVM

 

Disk /dev/sdc: 22.7 GB, 22769827840bytes

255 heads, 63 sectors/track, 2768cylinders

Units = cylinders of 16065 * 512 =8225280 bytes

 

Disk /dev/sdc doesn‘t contain avalid partition table

 

#fdisk/dev/sdc                                               //对sdc分区

 

OCR+VOTE

Command (m for help): n

Command action

  e   extended

  p   primary partition (1-4)

p                                               //先创建第一个主分区

Partition number (1-4): 1

First cylinder (1-2610, default 1): 1

Last cylinder or +size or +sizeM or+sizeK (1-2610, default 2610): +1024M        

//表示主分区的大小为1024M,OCR盘分1G

 

OCR+VOTE

Command (m for help): n

Command action

  e   extended

  p   primary partition (1-4)

p                                               //创建第二个主分区

Partition number (1-4): 2

First cylinder (126-2610, default1):

Last cylinder or +size or +sizeM or+sizeK (126-2610, default 2610): +1024M

 

OCR+VOTE

Command (m for help): n

Command action

  e   extended

  p   primary partition (1-4)

p                                               //创建第三个主分区

Partition number (1-4): 3

First cylinder (251-2610, default 251):

Last cylinder or +size or +sizeM or+sizeK (251-2610, default 2610): +1024M

 

创建扩展分区

Command (m for help): n

Command action

  e   extended

  p   primary partition (1-4)

e                                            //在创建一个扩展分区,大小为剩下的全部容量

Partition number (1-4): 4

First cylinder (376-2610, default 376):

Using default value 126

Last cylinder or +size or +sizeM or+sizeK (376-2610, default 2610):              

Using default value 2610

 

databasearea

Command (m for help): n

Command action

  l   logical (5 or over)                                                        //再创建逻辑分区

  p   primary partition (1-4)

l

First cylinder (376-3916, default 376):

Using default value 376

Last cylinder or +size or +sizeM or+sizeK (376-3916, default 3916): +5G

 

databasearea

Command (m for help): n

Command action       

  l   logical (5 or over)                                                        //再创建逻辑分区

  p   primary partition (1-4)

l

First cylinder (985-3916, default 985):

Using default value 985

Last cylinder or +size or +sizeM or+sizeK (985-3916, default 3916): +5G

 

recoveryarea

Command (m for help): n

Command action       

  l   logical (5 or over)                                                        //再创建逻辑分区

  p   primary partition (1-4)

l

First cylinder (1594-3916, default 1594):

Using default value 1594

Last cylinder or +size or +sizeM or+sizeK (1594-3916, default 3916): +4G

 

recoveryarea

Command (m for help): n

Command action       

  l   logical (5 or over)                                                        //再创建逻辑分区

  p   primary partition (1-4)

l

First cylinder (2081-3916, default 2081):

Using default value 2081

Last cylinder or +size or +sizeM or+sizeK (2081-3916, default 3916): +4G

 

剩余一些空间,单独分了一个区

Command (m for help): n

Command action       

  l   logical (5 or over)                                                        //再创建逻辑分区

  p   primary partition (1-4)

l

First cylinder (2568-3916, default 2568):

Using default value 2568

Last cylinder or +size or +sizeM or+sizeK (2568-3916, default 3916):

 

Command (m for help): p                       //查看分区结果


linux下Oracle11g RAC搭建(四)


 Command (m for help): w                       //保存退出

 [root@node1 ~]# fdisk -l                              //分区结果

2)创建asm盘

配置asm 磁盘(node1、node2)

node1

[root@node1 soft]# serviceoracleasm configure

Configuring the Oracle ASM library driver.

 

This will configure the on-boot properties of theOracle ASM library

driver.  Thefollowing questions will determine whether the driver is

loaded on boot and what permissions it will have.  The current values

will be shown in brackets (‘[]‘).  Hitting <ENTER> without typing an

answer will keep that current value.  Ctrl-C will abort.

 

Default user to own the driver interface []: grid

Default group to own the driver interface []: asmadmin

Start Oracle ASM library driver on boot (y/n) [n]: y

Scan for Oracle ASM disks on boot (y/n) [y]:

Writing Oracle ASM library driver configuration: done

Initializing the Oracle ASMLib driver: [  OK  ]

Scanning the system for Oracle ASMLib disks: [  OK  ]

 

node2

[root@node2 asm]# serviceoracleasm configure

Configuring the Oracle ASM library driver.

 

This will configure the on-boot properties of theOracle ASM library

driver.  Thefollowing questions will determine whether the driver is

loaded on boot and what permissions it will have.  The current values

will be shown in brackets (‘[]‘).  Hitting <ENTER> without typing an

answer will keep that current value.  Ctrl-C will abort.

 

Default user to own the driver interface []: grid

Default group to own the driver interface []: asmadmin

Start Oracle ASM library driver on boot (y/n) [n]: y

Scan for Oracle ASM disks on boot (y/n) [y]:

Writing Oracle ASM library driver configuration: done

Initializing the Oracle ASMLib driver: [  OK  ]

Scanning the system for Oracle ASMLib disks: [  OK  ]

建立asm 磁盘(node1)

node1

[root@node1 soft]# serviceoracleasm

Usage: /etc/init.d/oracleasm{start|stop|restart|enable|disable|configure|createdisk|deletedisk|querydisk|listdisks|scandisks|status}

[root@node1 soft]# serviceoracleasm createdisk OCR_VOTE1 /dev/sdc1 

//磁盘名用大写

Marking disk "OCR_VOTE1" as an ASM disk:[  OK ]

[root@node1 soft]# serviceoracleasm createdisk OCR_VOTE2 /dev/sdc2

Marking disk "OCR_VOTE2" as an ASM disk:[  OK ]

[root@node1 soft]# serviceoracleasm createdisk OCR_VOTE3 /dev/sdc3

Marking disk "OCR_VOTE3" as an ASM disk:[  OK ]

[root@node1 soft]# serviceoracleasm createdisk ASM_DATA1  /dev/sdc5

Marking disk "ASM_DATA1" as an ASM disk:[  OK ]

[root@node1 soft]# serviceoracleasm createdisk ASM_DATA2  /dev/sdc6

Marking disk "ASM_DATA2" as an ASM disk:[  OK ]

[root@node1 soft]# serviceoracleasm createdisk ASM_RCY1   /dev/sdc7

Marking disk "ASM_RCY1" as an ASM disk:[  OK ]

[root@node1 soft]# serviceoracleasm createdisk ASM_RCY2   /dev/sdc8

Marking disk "ASM_RCY2" as an ASM disk:[  OK ]

[root@node1 soft]# serviceoracleasm listdisks       //查看asm创建结果

ASM_DATA1

ASM_DATA2

ASM_RCY1

ASM_RCY2

OCR_VOTE1

OCR_VOTE2      

OCR_VOTE3

 

验证ASM磁盘信息(node2)

在node2节点扫描出磁盘,查看共享磁盘信息

[root@node2 asm]# serviceoracleasm scandisks      //扫描共享磁盘asm

Scanning the system for Oracle ASMLib disks: [  OK  ]

[root@node2 asm]# serviceoracleasm listdisks        //查看共享盘信息

ASM_DATA1

ASM_DATA2

ASM_RCY1

ASM_RCY2

OCR_VOTE1

OCR_VOTE2

OCR_VOTE3



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