1 hardware requirement
1g memory
2g swap
400m tmp

2 network requirement
two adapters
rdb1
rdb2
rdb1-priv
rdb2-priv
rdb1-vip
rdb2-vip

3 ntp

4 software requirement
package
/etc/issue

5 kernal parameter

6 ssh
ssh dbs4.achievo.com cat /home/oracle/.ssh/id_rsa.pub >> authorized_keys
ssh dbs2.achievo.com cat /home/oracle/.ssh/id_rsa.pub >> authorized_keys
ssh dbs4.achievo.com cat /home/oracle/.ssh/id_dsa.pub >> authorized_keys
ssh dbs2.achievo.com cat /home/oracle/.ssh/id_dsa.pub >> authorized_keys
scp authorized_keys dbs2.achievo.com:/home/oracle/.ssh/

如果有known_hosts文件的话,可能出现错误：
Warning: the RSA host key for '' differs from the key for the IP address ''
删除这个文件就可以了。

7 oracle directory

8 hangcheck-time module
/etc/modprobe.conf
options hangcheck-timer hangcheck_tick=30 hangcheck_margin=180

modprobe hangcheck-timer

9 user/group (same id for groups and users)
osdba
dba
oracle
nobody

10 environment
ORACLE_BASE
ORACLE_HOME
PATH
DISPLAY
TMP
LD_LIBRARY_PATH
umask 022

vnc server 配置
/root/.vnc/xstartup

gnome-session gnome          

11 raw partition
fdisk

分区：
                
ocr              256m  sdb1
voting disk      256m  sdb2

DATA    sdc1, sdd1
FRA              sde1

mkfs.ocfs2 -b 4K -C 32K -N 4 -L  /u02/oracle/orcl /dev/sdb1

/etc/sysconfig/rawservices

/etc/udev/permissions.d/50-udev.permissions

./runcluvfy.sh stage -pre crsinst -n rdb1,rdb2

机器死掉了
一定要检查线路