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副标题[/!--empirenews.page--]
文档说明:以#开始命令表示root用户执行，$开始命令以oracle/grid执行(前面都有切换用户的动作)
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一.基础环境准备
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1.1.操作系统检查(录屏:<nodename>_os_check.log)
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1).内存及交换分区
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a).内存大小要求至少:1GB
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# grep MemTotal /proc/meminfo
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b).交换空间大小
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Available RAM Swap Space Required
Between 1 GB and 2 GB 1.5 times the size of RAM
Between 2 GB and 16 GB Equal to the size of RAM
More than 16 GB 16 GB
# free -m
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c).共享内存段
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至少要大于MEMORY_MAX_TARGET and MEMORY_TARGET
# df -m /dev/shm/
--系统默认共享内存段为内存大小一半，可以通过以下方式调整(建议不要超过内存)
# mount -t tmpfs shmfs -o size=<7g> /dev/shm
--永久生效则在/etc/fstab里面加入:
shmfs /dev/shm tmpfs size=7g 0
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2).文件系统
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a)./tmp至少1g
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# df -h /tmp
--安装或者卸载都需要确保oracle用户在/tmp下有执行权限;
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b).安装目录40g
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# df -h
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3).操作系统版本
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a).系统详细信息
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# cat /proc/version
--确认内核版本
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b).发行版本
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# lsb_release -id
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4).补丁包安装
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binutils-2.23.52.0.1-12.el7.x86_64
compat-libcap1-1.10-3.el7.x86_64
compat-libstdc++-33-3.2.3-71.el7.i686
compat-libstdc++-33-3.2.3-71.el7.x86_64
gcc-4.8.2-3.el7.x86_64
gcc-c++-4.8.2-3.el7.x86_64
glibc-2.17-36.el7.i686
glibc-2.17-36.el7.x86_64
glibc-devel-2.17-36.el7.i686
glibc-devel-2.17-36.el7.x86_64
ksh
libaio-0.3.109-9.el7.i686
libaio-0.3.109-9.el7.x86_64
libaio-devel-0.3.109-9.el7.i686
libaio-devel-0.3.109-9.el7.x86_64
libgcc-4.8.2-3.el7.i686
libgcc-4.8.2-3.el7.x86_64
libstdc++-4.8.2-3.el7.i686
libstdc++-4.8.2-3.el7.x86_64
libstdc++-devel-4.8.2-3.el7.i686
libstdc++-devel-4.8.2-3.el7.x86_64
libXi-1.7.2-1.el7.i686
libXi-1.7.2-1.el7.x86_64
libXtst-1.2.2-1.el7.i686
libXtst-1.2.2-1.el7.x86_64
make-3.82-19.el7.x86_64
sysstat-10.1.5-1.el7.x86_64
elfutils-libelf-devel-*
yum -y install binutils-*.x86_64
compat-libcap1-*.x86_64
compat-libstdc++-*.x86_64
compat-libstdc++-*.i?86
gcc-*.x86_64
gcc-c++-*.x86_64
glibc-*.i?86
glibc-*.x86_64
glibc-devel-*.x86_64
glibc-devel-*.i?86
ksh
libaio-*.x86_64
libaio-*.i?86
libaio-devel-*.x86_64
libaio-devel-*.i?86
libgcc-*.i?86
libgcc-*.x86_64
libstdc++-*.x86_64
libstdc++-*.i?86
libstdc++-devel-*.x86_64
libstdc++-devel-*.i?86
libXi-*.i?86
libXi-*.x86_64
libXtst-*.i?86
libXtst-*.x86_64
make-*
sysstat-*.x86_64
unixODBC-*.x86_64
unixODBC-*.i?86
elfutils-libelf-devel-*.i?86
elfutils-libelf-devel-*.x86_64
unixODBC-devel-*.x86_64
--rlwrap
yum -y install rlwrap-0.37-1.el5.x86_64.rpm
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5).调整系统资源限制
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a).内核参数
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# vi /etc/sysctl.conf
--加入以下内容
fs.aio-max-nr = 1048576
fs.file-max = 6815744
kernel.shmall = 2097152
kernel.shmmax = 4294967295
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 = 1048576
--下次启动读取
# chkconfig boot.sysctl on
--当前生效
# sysctl -p
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b).资源限制
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# vi /etc/security/limits.conf
oracle soft nproc 2047
oracle hard nproc 16384
oracle soft nofile 1024
oracle hard nofile 65536
oracle soft stack 10240
oracle hard stack 32768
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1.2.配置IP地址解析(录屏:<node_name>_pre-install.log)
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# vi /etc/hosts
保留回环地址之外加入:
#public
192.168.100.111 node111
192.168.100.112 node112
#private
172.16.100.111 node111-priv
172.16.100.112 node112-priv
#vip
192.168.100.211 node111-vip
192.168.100.212 node112-vip
#scanip
192.168.100.213 11gscanip
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1.4.创建系统组、用户
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1).存在性检查
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a).检查
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# id oracle
# more /etc/passwd
# more /etc/group
//如果用户已经存在，需要确认这些参数。最好是删除重建用户和组，保证正确性
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b).删除用户方案
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# userdel -r oracle
# rm -rf /home/oracle
注:跳过步骤c)到创建用户
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