系统环境：
操作系统：RedHat EL5
Cluster： Oracle CRS 10.2.0.1.0
Oracle： Oracle 10.2.0.1.0
如图所示：RAC 系统架构
一、操作系统环境
1、网络配置（在所有节点）
[root@node1 ~]# cat /etc/hosts
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# Do
not
remove the following line,
or
various programs
# that require network functionality will fail.
127.0.
0.1
localhost
192.168.
8.21
node1 ；节点
1
主机名
192.168.
8.23
node1-vip
10.10.
10.21
node1-priv
192.168.
8.22
node2 ；节点
2
主机名
192.168.
8.24
node2-vip
10.10.
10.22
node2-priv
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2、共享磁盘配置（在所有节点）
对于Oracle 10g RAC，OCR和VOTE DISK、DataBase需建立在共享存储设备上；OCR和VOTE DISK必须以raw的方式管理，而存放DataBase的磁盘必须以ASM的方式管理。
[root@node1 ~]# fdisk -l
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Disk /dev/sdc:
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/sdc1
1
25
200781
83
Linux
/dev/sdc2
26
50
200812
+
83
Linux
/dev/sdc3
51
2610
20563200
5
Extended
/dev/sdc5
51
549
4008186
83
Linux
/dev/sdc6
550
1048
4008186
83
Linux
/dev/sdc7
1049
1422
3004123
+
83
Linux
/dev/sdc8
1423
1796
3004123
+
83
Linux
/dev/sdc9
1797
2046
2008093
+
83
Linux
/dev/sdc10
2047
2610
4530298
+
83
Linux
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建立RAW设备：
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[root@node1 ~]# cat /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/raw2 %M %m"
# to
bind
/dev/raw/raw2 to the device
with
major
8
, minor
1.
ACTION==
"add"
, KERNEL==
"sdc1"
, RUN+=
"/bin/raw /dev/raw/raw1 %N"
ACTION==
"add"
, KERNEL==
"sdc2"
, RUN+=
"/bin/raw /dev/raw/raw2 %N"
ACTION==
"add"
, KERNEL==
"sdc5"
, RUN+=
"/bin/raw /dev/raw/raw3 %N"
ACTION==
"add"
, KERNEL==
"sdc6"
, RUN+=
"/bin/raw /dev/raw/raw4 %N"
ACTION==
"add"
, KERNEL==
"sdc7"
, RUN+=
"/bin/raw /dev/raw/raw5 %N"
ACTION==
"add"
, KERNEL==
"sdc8"
, RUN+=
"/bin/raw /dev/raw/raw6 %N"
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设置RAW设备权限：
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[root@node1 ~]# cat /etc/udev/rules.d/
65
-raw-permissions.rules
KERNEL==
"raw1"
, OWNER=
"oracle"
, GROUP=
"oinstall"
, MODE=
"660"
KERNEL==
"raw2"
, OWNER=
"oracle"
, GROUP=
"oinstall"
, MODE=
"660"
KERNEL==
"raw3"
, OWNER=
"oracle"
, GROUP=
"oinstall"
, MODE=
"660"
KERNEL==
"raw4"
, OWNER=
"oracle"
, GROUP=
"oinstall"
, MODE=
"660"
KERNEL==
"raw5"
, OWNER=
"oracle"
, GROUP=
"oinstall"
, MODE=
"660"
KERNEL==
"raw6"
, OWNER=
"oracle"
, GROUP=
"oinstall"
, MODE=
"660"
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启动RAW设备：
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[root@node1 soft]# start_udev
Starting udev: [ OK ]
[root@node1 soft]# raw -aq
/dev/raw/raw1:
bound
to major
8
, minor
33
/dev/raw/raw2:
bound
to major
8
, minor
34
/dev/raw/raw3:
bound
to major
8
, minor
37
/dev/raw/raw4:
bound
to major
8
, minor
38
/dev/raw/raw5:
bound
to major
8
, minor
39
/dev/raw/raw6:
bound
to major
8
, minor
40
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查看RAW设备：
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[root@node1 soft]# ls -l /dev/raw
total
0
crw-rw----
1
oracle oinstall
162
,
1
May
5
17
:
12
raw1
crw-rw----
1
oracle oinstall
162
,
2
May
5
17
:
12
raw2
crw-rw----
1
oracle oinstall
162
,
3
May
5
17
:
12
raw3
crw-rw----
1
oracle oinstall
162
,
4
May
5
17
:
12
raw4
crw-rw----
1
oracle oinstall
162
,
5
May
5
17
:
12
raw5
crw-rw----
1
oracle oinstall
162
,
6
May
5
17
:
12
raw6
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建立Oracle用户和组（所有节点）：
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[root@node1 ~]# id oracle
uid=
200
(oracle) gid=
200
(oinstall) groups=
200
(oinstall),
201
(dba)
注意：所有节点user ID和group id一致！
[root@node1 ~]# su - oracle
[oracle@node1 ~]$ cat .bash_profile
# .bash_profile
# Get the aliases
and
functions
if
[ -f ~/.bashrc ];
then
. ~/.bashrc
fi
# User specific environment
and
startup programs
export EDITOR=vi
export ORACLE_SID=prod1
export ORACLE_BASE=/u01/app/oracle
export ORACLE_HOME=$ORACLE_BASE/product/
10.2.
0
/db_1
export ORA_CRS_HOME=/u01/crs_1
export LD_LIBRARY_PATH=$ORACLE_HOME/lib
export PATH=$ORACLE_HOME/bin:$ORA_CRS_HOME/bin:/bin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/X11R6/bin
umask
022
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3、配置系统内核参数（在所有节点）
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[root@node1 soft]# vi /etc/sysctl.conf
fs.aio-max-nr =
1048576
fs.file-max =
6815744
kernel.shmall =
2097152
kernel.shmmax =
536870912
kernel.shmmni =
4096
kernel.sem =
250
32000
100
128
net.ipv4.ip_local_port_range =
9000
65500
net.core.rmem_default =
262144
net.core.rmem_max =
4194304
net.core.wmem_default =
262144
net.core.wmem_max =
1048586
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内核参数修改生效：
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[root@node1 ~]# sysctl -p
net.ipv4.ip_forward =
0
net.ipv4.conf.default.rp_filter =
1
net.ipv4.conf.default.accept_source_route =
0
kernel.sysrq =
0
kernel.core_uses_pid =
1
net.ipv4.tcp_syncookies =
1
kernel.msgmnb =
65536
kernel.msgmax =
65536
kernel.shmmax =
4294967295
kernel.shmall =
268435456
fs.aio-max-nr =
1048576
fs.file-max =
6815744
kernel.shmall =
2097152
kernel.shmmax =
536870912
kernel.shmmni =
4096
kernel.sem =
250
32000
100
128
net.ipv4.ip_local_port_range =
9000
65500
net.core.rmem_default =
262144
net.core.rmem_max =
4194304
net.core.wmem_default =
262144
net.core.wmem_max =
1048586
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用户资源访问限制：
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[root@node1 ~]# cat /etc/security/limits.conf
oracle soft nproc
2047
oracle hard nproc
16384
oracle soft nofile
1024
oracle hard nofile
65536
oracle soft stack
10240
[root@node1 ~]#cat /etc/profile
if
[ $USER =
"oracle"
]||[ $USER =
"grid"
];
then
if
[ $SHELL =
"/bin/ksh"
];
then
ulimit -p
16384
ulimit -n
65536
else
ulimit -u
16384
-n
65536
fi
fi
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配置认证模块：
[root@node1 ~]# cat /etc/pam.d/login
session required /lib/security/pam_limits.so
配置节点间心跳：
[root@node1 ~]# cat /etc/rc.local
options hangcheck-timer hangcheck_tick=30 hangcheck_margin=180
4、配置时间同步（NTP)
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node1 作为ntp server ，node2 作为ntp client
配置如下：
node1：
[root@node1 ~]# chkconfig --list |grep time
daytime-dgram: off
daytime-stream: off
time-dgram: off
time-stream: off
[root@node1 ~]# chkconfig time-dgram
on
[root@node1 ~]# chkconfig time-stream
on
[root@node1 ~]# chkconfig ntpd
on
[root@node1 ~]# chkconfig xinetd
on
[root@node1 ~]# service ntpd start
Starting ntpd: [ OK ]
node2：
[root@node2 asm]# crontab -l
0
-59
/
1
* * * * /usr/bin/rdate -s
192.168.
8.21
>/dev/
null
2
>&
1
0
-59
/
1
* * * * /usr/sbin/ntpdate
192.168.
8.21
>/dev/
null
2
>&
1
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5、配置yum 安装所需的软件包（所有节点）
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以RedHat 安装光盘作为yum仓库：
[root@node1 yum.repos.d]# cat yum.repo
[base]
name=Red Hat Enterprise Linux
baseurl=file:
///media/Server
enabled=
1
gpgcheck=
0
gpgkey=
安装软件包：
[root@node1 yum.repos.d]# yum install -y libXp*
Installed:
libXp.i386
0
:
1.0.
0
-8.1.
el5 libXp-devel.i386
0
:
1.0.
0
-8.1.
el5
[root@node1 yum.repos.d]# yum install -y libaio*
[root@node1 yum.repos.d]# yum install -y sysstat*
Installed:
sysstat.i386
0
:
7.0.
2
-3.
el5
[root@node1 yum.repos.d]# yum install -y unix*
Installed:
unixODBC.i386
0
:
2.2.
11
-7.1
unixODBC-devel.i386
0
:
2.2.
11
-7.1
unixODBC-kde.i386
0
:
2.2.
11
-7.1
[root@node1 yum.repos.d]# yum install -y compat*
Installed:
compat-dapl.i386
0
:
2.0.
25
-2.
el5 compat-dapl-devel.i386
0
:
2.0.
25
-2.
el5
compat-dapl-
static
.i386
0
:
2.0.
25
-2.
el5 compat-dapl-utils.i386
0
:
2.0.
25
-2.
el5
compat-db.i386
0
:
4.2.
52
-5.1
compat-openldap.i386
0
:
2.3.
43_2
.2.29
-12.
el5
compat-readline43.i386
0
:
4.3
-3
compat-slang.i386
0
:
1.4.
9
-27.2.
2
Dependency Installed:
libibverbs.i386
0
:
1.1.
3
-2.
el5 libnes.i386
0
:
0.9.
0
-2.
el5 librdmacm.i386
0
:
1.0.
10
-1.
el5
openib.noarch
0
:
1.4.
1
-5.
el5
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--未完，待续
本文转自 客居天涯 51CTO博客，原文链接：http://blog.51cto.com/tiany/1407760，如需转载请自行联系原作者
