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必要留意的是ORACLE_UNQNAME是数据库名（这里用orcl），建设数据库时指定多个节点是会建设多个实例，ORACLE_SID指的是数据库实例名
#su - oracle
$vi .bash_profile
export TMP=/tmp
export TMPDIR=$TMP
export ORACLE_SID=orcl1 # RAC1行使这个设置
export ORACLE_SID=orcl2 # RAC2行使这个设置
export ORACLE_UNQNAME=orcl
export ORACLE_BASE=/u01/app/oracle
export ORACLE_HOME=$ORACLE_BASE/product/11.2.0/db_1
export TNS_ADMIN=$ORACLE_HOME/network/admin
export PATH=/usr/sbin:$PATH
export PATH=$ORACLE_HOME/bin:$PATH
export LD_LIBRARY_PATH=$ORACLE_HOME/lib:/lib:/usr/lib
$ source .bash_profile使设置文件见效（修改情形变量都是在最末行追加，生涯后都要source使设置见效）
7.设置oracle、grid用户ssh互信
#su – oracle
$mkdir ~/.ssh
$chmod 755 .ssh
$/usr/bin/ssh-keygen -t rsa
$/usr/bin/ssh-keygen -t dsa
下面步调只在节点1执行，将全部的key文件汇总到一个总的认证文件中
$ssh rac1 cat ~/.ssh/id_rsa.pub >> authorized_keys
$ssh rac2 cat ~/.ssh/id_rsa.pub >> authorized_keys
$ssh rac1 cat ~/.ssh/id_dsa.pub >> authorized_keys
$ssh rac2 cat ~/.ssh/id_dsa.pub >> authorized_keys
$ cd ~/.ssh/
$ scp authorized_keys rac2:~/.ssh/ 拷贝完备的key到节点2
[[email?protected] .ssh]chmod 600 authorized_keys 此处留意是登岸到节点2修改权限
下面步调2个节点都要执行，不然后续安装会报错，相等重要，获得的功效应该是一个时刻
$ssh rac1 date
$ssh rac2 date
$ssh rac1-priv date
$ssh rac2-priv date
grid的互信参照oracle用户处理赏罚即可
8.设置裸盘
(1)fdisk -l 通过该呼吁查察磁盘，可看到我们后头添加上去的磁盘信息，磁盘从sdb到sdf
(2)分区、名目化磁盘。因为是共享磁盘，以是只必要在一个节点上执行即可
在节点1上名目化，以/dev/sdb为例：
#fdisk /dev/sdb
The number of cylinders for this disk is set to 3824.
There is nothing wrong with that,but this is larger than 1024,
and could in certain setups cause problems with:
1) software that runs at boot time (e.g.,old versions of LILO)
2) booting and partitioning software from other OSs
(e.g.,DOS FDISK,OS/2 FDISK)
Command (m for help): n
Command action
e extended
p primary partition (1-4)
p
Partition number (1-4): 1
First cylinder (1-3824,default 1):
Using default value 1
Last cylinder or +size or +sizeM or +sizeK (1-3824,default 3824):
Command (m for help): w
The partition table has been altered!
Calling ioctl() to re-read partition table.
Syncing disks.
名目化完毕后获得如下分区
#ls /dev/sd*
/dev/sda /dev/sda2 /dev/sdb1 /dev/sdc1 /dev/sdd1 /dev/sde1 /dev/sdf1 /dev/sda1 /dev/sdb /dev/sdc /dev/sdd /dev/sde /dev/sdf
(3)在节点上添加裸装备，留意2个节点都要执行
#vi /etc/udev/rules.d/99-oracle-asmdevices.rules
ACTION=="add",KERNEL=="sdb1",RUN+="/bin/raw /dev/raw/raw1 %N"
ACTION=="add",KERNEL=="sdc1",RUN+="/bin/raw /dev/raw/raw2 %N"
ACTION=="add",KERNEL=="sdd1",RUN+="/bin/raw /dev/raw/raw3 %N"
ACTION=="add",KERNEL=="sde1",RUN+="/bin/raw /dev/raw/raw4 %N"
ACTION=="add",KERNEL=="sdf1",RUN+="/bin/raw /dev/raw/raw5 %N"
KERNEL=="raw[1]",MODE="0660",OWNER="grid",GROUP="asmadmin"
KERNEL=="raw[2]",GROUP="asmadmin"
KERNEL=="raw[3]",GROUP="asmadmin"
KERNEL=="raw[4]",GROUP="asmadmin"
KERNEL=="raw[5]",GROUP="asmadmin"
(4)启动裸装备，2个节点都执行
#start_udev
(5)查察裸装备，2个节点都要查察
#raw -qa
/dev/raw/raw1: bound to major 8,minor 17
/dev/raw/raw2: bound to major 8,minor 33
/dev/raw/raw3: bound to major 8,minor 49
/dev/raw/raw4: bound to major 8,minor 65
/dev/raw/raw5: bound to major 8,minor 81
9.挂载安装软件文件夹
这里是主机windows体系开启文件夹共享，将压缩包解压后供假造机挂载即可 ，这里的用户名暗码目次仅供参考
mkdir -p /home/grid/db
mount -t cifs -o username=share,password=123456 //192.168.248.1/DB /home/grid/db
mkdir -p /home/oracle/db
mount -t cifs -o username=share,password=123456 //192.168.248.1/DB /home/oracle/db
10.安装用于情形搜查的cvuqdisk（双机）
#cd /home/grid/db/rpm
#rpm -ivh cvuqdisk-1.0.7-1.rpm
11.手动运行cvu行使验证措施验证Oracle集群要求
#su - grid
$cd /home/grid/db/
$./runcluvfy.sh stage -pre crsinst -n rac1,rac2 -fixup -verbose
注：这里搜查见过呈现许多32位（i386或i686）的软件包校验不通过，我直接忽略不处理赏罚也没有影响体系行使，因此可以忽略，其它NTP、pdksh的报错也可以忽略，校验时2机报 glibc不存在，因此只能从头打包，从网上下载包
glibc-2.17-260.el7_6.4.i686.rpm ，直接安装存在依靠
error: Failed dependencies:
libfreebl3.so is needed by glibc-2.17-260.el7_6.4.i686
libfreebl3.so(N×××AWHASH_3.12.3) is needed by glibc-2.17-260.el7_6.4.i686
百度查询必要打包 nss-softokn-freebl-3.36.0-5.el7_5.i686.rpm ，直接打包报错：
error: Failed dependencies:
libc.so.6 is needed by nss-softokn-freebl-3.36.0-5.el7_5.i686
libc.so.6(GLIBC_2.0) is needed by nss-softokn-freebl-3.36.0-5.el7_5.i686
libc.so.6(GLIBC_2.1) is needed by nss-softokn-freebl-3.36.0-5.el7_5.i686
libc.so.6(GLIBC_2.1.3) is needed by nss-softokn-freebl-3.36.0-5.el7_5.i686
libc.so.6(GLIBC_2.3) is needed by nss-softokn-freebl-3.36.0-5.el7_5.i686
libc.so.6(GLIBC_2.3.4) is needed by nss-softokn-freebl-3.36.0-5.el7_5.i686
libc.so.6(GLIBC_2.4) is needed by nss-softokn-freebl-3.36.0-5.el7_5.i686
libdl.so.2 is needed by nss-softokn-freebl-3.36.0-5.el7_5.i686
libdl.so.2(GLIBC_2.0) is needed by nss-softokn-freebl-3.36.0-5.el7_5.i686
libdl.so.2(GLIBC_2.1) is needed by nss-softokn-freebl-3.36.0-5.el7_5.i686
通过2个包一路安装办理：
#rpm -ivh glibc-2.17-260.el7_6.4.i686.rpm nss-softokn-freebl-3.36.0-5.el7_5.i686.rpm
Preparing... ################################# [100%]
Updating / installing...
1:nss-softokn-freebl-3.36.0-5.el7_5################################# [ 50%]
2:glibc-2.17-260.el7_6.4 ################################# [100%]
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