# add by tim.man

kernel.shmmax = 277495689510912

kernel.shmmni = 4096

kernel.sem = 250 32000 100 128

net.core.rmem_default = 262144

net.core.rmem_max = 4194304

net.core.wmem_default = 262144

net.core.wmem_max = 1048586

fs.file-max = 6815744

# Controls the maximum number of shared memory segments, in pages                                                                                                                      

kernel.shmall = 4294967296

net.ipv4.tcp_max_tw_buckets = 6000

net.ipv4.ip_local_port_range = 9000 65500

net.ipv4.tcp_tw_recycle = 0

net.ipv4.tcp_tw_reuse = 1

net.core.somaxconn = 262144

net.core.netdev_max_backlog = 262144

net.ipv4.tcp_max_orphans = 262144

net.ipv4.tcp_max_syn_backlog = 262144

net.ipv4.tcp_synack_retries = 2

net.ipv4.tcp_syn_retries = 1

net.ipv4.tcp_fin_timeout = 1

net.ipv4.tcp_keepalive_time = 30

net.ipv4.tcp_keepalive_probes = 6

net.ipv4.tcp_keepalive_intvl = 5

net.ipv4.tcp_timestamps = 0

fs.aio-max-nr = 1048576

oracle soft nproc 2047 

oracle hard nproc 16384                                                                                              

oracle soft nofile 1024

oracle hard nofile 65536

 [root@orcltest Downloads]# vim /etc/profile                                                          

# add by tim.man

if [ $USER = "oracle" ]; then

if [ $SHELL = "/bin/ksh" ]; then

   ulimit -p 16384

   ulimit -n 65536

else

   ulimit -u 16384 -n 65536

fi

fi

[oracle@orcltest ~]$ vim .bash_profile

export EDITOR=vi

export ORACLE_SID=doea5db

export ORACLE_BASE=/u01/app/oracle

export ORACLE_HOME=$ORACLE_BASE/product/10.2.0/db_1

export INVENTORY_LOCATION=/oraInventory

export LD_LIBRARY_PATH=$ORACLE_HOME/lib

export NLS_LANG="American_america.zhs16gbk"

export NLS_DATE_FORMAT='yyyy-mm-dd hh24:mi:ss'

export PATH=$ORACLE_HOME/bin:/bin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/X11R6/bin:$PATH:$HOME/bin

umask 022

[root@azure_earth_dbm1_3_112 app]# mkdir /data/oracle

[root@azure_earth_dbm1_3_112 app]# mkdir /data/oraInventory

[root@azure_earth_dbm1_3_112 app]# cd /oracle/app

[root@azure_earth_dbm1_3_112 app]# ln -s  /data/oracle oracle

[root@azure_earth_dbm1_3_112 app]# ln -s /data/oraInventory oraInventory                                                           

[root@azure_earth_dbm1_3_112 app]# chown -R oracle.oinstall /data

[root@azure_earth_dbm1_3_112 app]# chown -R oracle.oinstall /oracle

[root@azure_earth_dbm1_3_112 app]#

[root@ azure_earth_dbm1_3_112 oracle]# mkdir -p /oracle/app/oracle

[root@ azure_earth_dbm1_3_112 oracle]# chown -R oracle:oinstall /oracle/app/oracle

[root@ azure_earth_dbm1_3_112 oracle]# chmod -R 775 /oracle/app/oracle

[root@ azure_earth_dbm1_3_112 oracle]#

# 采用yum安装，如下：
yum install -y binutils*

yum install -y compat-libstdc*

yum install -y elfutils-libelf*

yum install -y gcc*

yum install -y glibc*

yum install -y ksh*

yum install -y libaio*

yum install -y libgcc*

yum install -y libstdc*

yum install -y make*

yum install -y sysstat*

yum install libXp* -y

yum install -y glibc-kernheaders

# 检查下lib是否安装齐全：

[root@powerlong4 ~]# rpm -q --queryformat %-{name}-%{version}-%{release}-%{arch}"\n" \ compat-libstdc++-33 glibc-kernheaders glibc-headers libaio libgcc glibc-devel xorg-x11-deprecated-libs

如果缺少，就继续安装缺失的组件包。

# 查找文件路径

[oracle@azure_earth_dbm1_3_111 database]$ find /data/ -name orainstRoot.sh

/data/oraInventory/orainstRoot.sh

[oracle@azure_earth_dbm1_3_111 database]$ find /data/ -name root.sh

/data/oracle/product/11.2.0/dbhome_1/inventory/Templates/root.sh

/data/oracle/product/11.2.0/dbhome_1/root.sh

[oracle@azure_earth_dbm1_3_111 database]$

# 开始执行脚本

[root@azure_earth_dbm1_3_111 soft]# sh /data/oraInventory/orainstRoot.sh

Changing permissions of /oracle/app/oraInventory.

Adding read,write permissions for group.

Removing read,write,execute permissions for world.

Changing groupname of /oracle/app/oraInventory to oinstall.

The execution of the script is complete.

[root@azure_earth_dbm1_3_111 soft]#

[root@azure_earth_dbm1_3_111 soft]# sh /data/oracle/product/11.2.0/dbhome_1/root.sh

Performing root user operation for Oracle 11g

The following environment variables are set as:

    ORACLE_OWNER= oracle

    ORACLE_HOME=  /oracle/app/oracle/product/11.2.0/dbhome_1

Enter the full pathname of the local bin directory: [/usr/local/bin]: 

   Copying dbhome to /usr/local/bin ...

   Copying oraenv to /usr/local/bin ...

   Copying coraenv to /usr/local/bin ...

Creating /etc/oratab file...

Entries will be added to the /etc/oratab file as needed by

Database Configuration Assistant when a database is created

Finished running generic part of root script.

Now product-specific root actions will be performed.

Finished product-specific root actions.

[root@azure_earth_dbm1_3_111 soft]#

# 修改spfile参数

SQL> alter system set log_archive_dest_1='location=/doea5/arch';

SQL> alter system set log_archive_format='arch_%t_%s_%r.log' scope=spfile;

SQL> alter system set db_recovery_file_dest_size=20G scope=spfile;

SQL> alter system set db_recovery_file_dest='/oracle/app/oracle/flash_recovery';                                                                                                                              

SQL> alter system set db_flashback_retention_target=10080 scope=spfile;

SQL> alter system set undo_retention=10800;

# 打开归档和闪回

SQL> shutdown immediate

SQL> startup mount

SQL> alter database archivelog ;

SQL> alter database flashback on;

SQL> alter database open;