[root@rac12c1 ~]# /sbin/sysctl -p

安装 oracleasm-support and oracleasmlib，配置共享磁盘。

[root@rac12c1 ~]# rpm -qa | grep oracleasm

kmod-oracleasm-2.0.8-8.el7.x86_64

oracleasm-support-2.1.8-3.el7.x86_64

oracleasmlib-2.0.8-2.el7.x86_64

http://www.oracle.com/technetwork/server-storage/linux/asmlib/ol7-2352094.html 下载ASMLIB包。

[root@rac12c1 ~]# /etc/init.d/oracleasm configure -i

Configuring the Oracle ASM library driver.

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

driver.? The following 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 without typing an

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

Default user to own the driver interface [grid]: grid

Default group to own the driver interface [asmadmin]: asmadmin

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

Writing Oracle ASM library driver configuration: done

Initializing the Oracle ASMLib driver:? ? ? ? ? ? ? ? ? ? [? OK? ]

Scanning the system for Oracle ASMLib disks:? ? ? ? ? ? ? [? OK? ]

?

[root@rac12c1 ~]# /usr/sbin/oracleasm configure

ORACLEASM_UID=grid

ORACLEASM_GID=asmadmin

ORACLEASM_SCANBOOT=true

ORACLEASM_SCANORDER=""

ORACLEASM_SCANEXCLUDE=""

ORACLEASM_USE_LOGICAL_BLOCK_SIZE="false"

[root@rac12c1 ~]# tail -2 /etc/pam.d/login

session required /lib64/security/pam_limits.so

session required pam_limits.so

配置DNS:

[root@rac12c1 ~]# vim /etc/resolv.conf

# Generated by NetworkManager

search localdomain

禁用NTP服务：

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[root@rac12c1 ~]#/sbin/service ntpd stop

[root@rac12c1 ~]#chkconfig ntpd off

[root@rac12c1 ~]#mv /etc/ntp.conf /etc/ntp.conf.org

[root@rac12c1 ~]#rm /var/run/ntpd.pid

建立安装目录：

[root@rac12c1 ~]#mkdir -p /u01/app/12.1.0/grid

[root@rac12c1 ~]#mkdir -p /u01/app/grid

[root@rac12c1 ~]#mkdir -p /u01/app/oracle

[root@rac12c1 ~]#mkdir -p /u01/app/oracle/product/12.1.0/db_1[root@rac12c1 ~]#chown -R grid:oinstall /u01

[root@rac12c1 ~]#chown oracle:oinstall /u01/app/oracle

[root@rac12c1 ~]## chmod -R 775 /u01/

分区，配置共享磁盘：

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?

[oracle@rac12c1 ~]$ ls -l /dev/sd*

brw-rw---- 1 root disk 8,? 0 Aug 21 18:33 /dev/sda

brw-rw---- 1 root disk 8,? 1 Aug 21 18:33 /dev/sda1

brw-rw---- 1 root disk 8,? 2 Aug 21 18:33 /dev/sda2

brw-rw---- 1 root disk 8,? 3 Aug 21 18:33 /dev/sda3

brw-rw---- 1 root disk 8, 16 Aug 22 20:27 /dev/sdb

brw-rw---- 1 root disk 8, 17 Aug 22 20:27 /dev/sdb1

brw-rw---- 1 root disk 8, 32 Aug 21 22:47 /dev/sdc

brw-rw---- 1 root disk 8, 33 Aug 21 22:47 /dev/sdc1

brw-rw---- 1 root disk 8, 48 Aug 21 22:47 /dev/sdd

brw-rw---- 1 root disk 8, 49 Aug 21 22:47 /dev/sdd1

brw-rw---- 1 root disk 8, 64 Aug 21 22:47 /dev/sde

brw-rw---- 1 root disk 8, 65 Aug 21 22:47 /dev/sde1

[oracle@rac12c1 ~]$ /etc/init.d/oracleasm createdisk CRS /dev/sdc1

[oracle@rac12c1 ~]$ /etc/init.d/oracleasm createdisk DATA1 /dev/sd1

[oracle@rac12c1 ~]$ /etc/init.d/oracleasm createdisk DATA2 /dev/sde1

[root@rac12c1 ~]# /etc/init.d/oracleasm scandisks

Scanning the system for Oracle ASMLib disks:? ? ? ? ? ? ? [? OK? ]

[root@rac12c1 ~]# /etc/init.d/oracleasm listdisks

CRS

DATA1

DATA2

另外一个节点，扫描共享磁盘。

配置用户环境变量：

[root@rac12c1 ~]# cat /home/grid/.bash_profile

# .bash_profile

# Get the aliases and functions

if [ -f ~/.bashrc ]; then

?. ~/.bashrc

fi

# User specific environment and startup programs

PATH=$PATH:$HOME/.local/bin:$HOME/bin

export PATH