oracle 19c rac install 之grid install / 憋错料

一前置检查：
安装最低要求：
Red Hat Enterprise Linux 7.4: 3.10.0-693.5.2.0.1.el7.x86_64 or later
At least 8 GB RAM for Oracle Grid Infrastructure installations. （其实4G也可以安装完成）
SWAP：4G
安装目录：grid 10G,介质安装完成6.4G
参考:grid install guide
https://docs.oracle.com/en/database/oracle/oracle-database/19/cwlin/server-hardware-checklist-for-oracle-grid-infrastructure.html#GUID-D964EF96-9C9C-4173-A919-F3CAA72180B1
这里环境概述：
IP：和11G准备一样，5个公网，2个私网；
共享存储：5GB；
操作系统：RHEL7.6 x64

二网络配置
OS安装过程略，安装完成后先启用临时网络：

nmcli con modify "System eth0" ipv4.addresses 192.168.56.102/24
nmcli con up "System eth0"
ip addr show

设置主机名：
hostnamectl set-hostname rhel6
由于rhel7的网卡名称命名变化,如需显示eth0,eth1,需在RHEL 7修改网卡参数：
1、修改/etc/sysconfig/grub或者/etc/default/grub，它们是一个文件，改谁都可以，需要添加参数，给GRUB_CMDLINE_LINUX参数中增加
net.ifnames=0 biosdevname=0
然后：
grub2-mkconfig -o /boot/grub2/grub.cfg
2、配置网卡

mv /etc/sysconfig/network-scripts/ifcfg-enp0s3 /etc/sysconfig/network-scripts/ifcfg-eth0
vi /etc/sysconfig/network-scripts/ifcfg-eth0
修改：
device=eth0
name=eth0

*3、非必须，更改/etc/udev/ruled.d/90-eno-fix.rules，将其中的NAME="enp0s3"改为eth0
最后重启主机生效：
#禁用dhcp 169.254路由表

echo "NOZEROCONF=yes">>/etc/sysconfig/network
/etc/init.d/network restart

#RHEL 7禁用防火墙

 systemctl stop firewalld
systemctl mask firewalld

三配置共享磁盘属性

vi /etc/rc.d/rc.local
/usr/bin/raw /dev/raw/raw1 /dev/sdb
/usr/bin/chown grid:asmadmin /dev/raw/raw1
/usr/bin/chmod 660 /dev/raw/raw1
chmod +x /etc/rc.d/rc.local

*四建立用户
如果先安装oracle的yum包，会自动建立

$ id oracle
uid=54321(oracle) gid=54321(oinstall) groups=54321(oinstall),54322(dba),
54323(oper),54324(backupdba),54325(dgdba),54326(kmdba),54327(asmdba),54330(racdba)
$ id grid
uid=54331(grid) gid=54321(oinstall) groups=54321(oinstall),54322(dba),
54327(asmdba),54328(asmoper),54329(asmadmin),54330(racdba)

这种用户

groupadd -g 501 oinstall
groupadd -g 502 dba
groupadd -g 504 asmadmin
groupadd -g 506 asmdba
groupadd -g 507 asmoper
useradd -u 501 -g oinstall -G asmadmin,asmdba,asmoper grid
useradd -u 502 -g oinstall -G dba,asmdba oracle
echo ‘oracle123‘ |passwd oracle --stdin;
echo ‘oracle123‘ |passwd grid --stdin;

--配置ssh信任关系
./oui/prov/resources/scripts/sshUserSetup.sh -user grid -hosts "rhel6 rhel7" -noPromptPassphrase
或者
ssh-keygen生成用户密钥,配置互信；

五配置yum 软件包
cd /etc/yum.repos.d/
mkdir bak
mv Centos ./bak
直接：
wget http://yum.oracle.com/public-yum-ol7.repo
修改其中的ol7_latest
或者新建一个repo文件：

[ol7_latest]
name=Oracle Linux $releasever Latest ($basearch)
baseurl=https://yum.oracle.com/repo/OracleLinux/OL7/latest/$basearch/
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-oracle
gpgcheck=0
enabled=1

由于最小安装，需补充包:

yum install oracle-database-preinstall-18c
yum -y install gcc*
yun -y install xhost+

当然也可以用传统的挂载镜像来做yum源

mount -o loop /tmp/rhel-server-6.6-x86_64-dvd.iso /media
vi /etc/yum.respos.d/dvd.repo
[c6-media]
name=CentOS-$releasever - Media
baseurl=file:///media
gpgcheck=0
enabled=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-6

wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-6.repo
rpm -q --qf ‘%{NAME}-%{VERSION}-%{RELEASE} (%{ARCH})\n‘ rpm -q --qf ‘%{NAME}-%{VERSION}-%{RELEASE} (%{ARCH})\n‘ bc binutils compat-libcap1 compat-libstdc++ dtrace-modules dtrace-modules-headers dtrace-modules-provider-headers dtrace-utils elfutils-libelf elfutils-libelf-devel fontconfig-devel glibc glibc-devel ksh libaio libaio-devel libdtrace-ctf-devel libX11 libXau libXi libXtst libXrender libXrender-devel libgcc librdmacm-devel libstdc++ libstdc++-devel libxcb 

rpm -q --qf ‘%{NAME}-%{VERSION}-%{RELEASE} (%{ARCH})\n‘ binutils compat-libstdc++-33 elfutils-libelf elfutils-libelf-devel gcc gcc-c++ glibc glibc-common glibc-devel glibc-headers ksh libaio libaio-devel libgcc libstdc++ libstdc++-devel make sysstat unixODBC unixODBC-devel|grep -i "not installed"|awk ‘{print $2}‘|xargs yum install -y

以下为RHEL6存在的问题，RHEL7可以略过
##--由于6.10版本不支持2.14,得手动升级

 strings /lib64/libc.so.6 |grep GLIBC_

wget http://ftp.gnu.org/gnu/glibc/glibc-2.14.tar.gz
wget http://ftp.gnu.org/gnu/glibc/glibc-ports-2.14.tar.gz
tar -xvf  glibc-2.14.tar.gz
tar -xvf  glibc-ports-2.14.tar.gz
mv glibc-ports-2.14 glibc-2.14/ports
mkdir glibc-2.14/build
cd glibc-2.14/build
../configure  --prefix=/usr --disable-profile --enable-add-ons --with-headers=/usr/include --with-binutils=/usr/bin

make
make install

检查：

 strings /lib64/libc.so.6 |grep GLIBC_2.14

 [grid@rhel6 grid]$ strings /usr/lib64/libstdc++.so.6|grep GLIBCXX
GLIBCXX_3.4
GLIBCXX_3.4.1
GLIBCXX_3.4.2
GLIBCXX_3.4.3
GLIBCXX_3.4.4
GLIBCXX_3.4.5
GLIBCXX_3.4.6
GLIBCXX_3.4.7
GLIBCXX_3.4.8
GLIBCXX_3.4.9
GLIBCXX_3.4.10
GLIBCXX_3.4.11
GLIBCXX_3.4.12
GLIBCXX_3.4.13
GLIBCXX_FORCE_NEW
GLIBCXX_DEBUG_MESSAGE_LENGTH

#从rhle7 copy最新的lib库,删除原来软连接：
rm -rf libstdc++.so.6
#将默认库的软连接指向最新动态库：
ln -s libstdc++.so.6.0.19 libstdc++.so.6

六配置hosts

vi /etc/hosts
127.0.0.1 localhost
#eth0 - PUBLIC
192.168.56.101 rhel7
192.168.56.102 rhel6
#VIP
192.168.56.103 rhel7-vip
192.168.56.104 rhel6-vip
#eth1 - PRIVATE
10.0.2.15 rhel7-pvt
10.0.2.16  rhel6-pvt
192.168.56.105 rac-scan

七配置参数

RHEL7 yum install后可以忽略

vi /etc/sysctl.conf
kernel.shmall = 4294967296
kernel.shmmni =4096
kernel.sem = 250 32000 100 128
fs.file-max = 6815744
net.ipv4.ip_local_port_range = 9000 65000
net.core.rmem_default = 262144
net.core.rmem_max = 4194304
net.core.wmem_default = 262144
net.core.wmem_max = 1048576
fs.aio-max-nr = 1048576
kernel.panic_on_oops=1

#sysctl -p

#调整shm:

tmpfs                   /dev/shm                tmpfs   defaults,size=3000M        0 0
mount -o remount /dev/shm

修改limit参数：
/etc/security/limits.conf

grid soft nproc 4096
grid hard nproc 16384
grid soft nofile 4096
grid hard nofile 65536
oracle soft nproc 4096
oracle hard nproc 16384
oracle soft nofile 4096
oracle hard nofile 65536

RHEL6注意可能不生效的情况需修改：
/etc/security/limits.d/90-nproc.conf
来源详细参见：
http://blog.yufeng.info/archives/2568

vi /etc/pam.d/login
session required pam_limits.so

vi /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
umask 022
fi

#关闭selinux
setenforce 0
vi /etc/sysconfig/selinux，修改target参数为disabled

8 配置环境变量

export ORACLE_HOME=/data/grid
export ORACLE_BASE=/u01/grid
export ORACLE_SID=+ASM2
export DISPLAY=192.168.56.1:0.0

PATH=$PATH:$HOME/.local/bin:$HOME/bin:$ORACLE_HOME/bin

9 安装
执行安装前检查
./runcluvfy.sh stage -pre crsinst -n rhel6,rhel7 -verbose

Verifying DNS/NIS name service ...FAILED
PRVG-2058 : The ‘hosts‘ entries in the existing "/etc/nsswitch.conf" files are
inconsistent.
"hosts" entry was found as "hosts: files dns myhostname" on nodes: rhel7
"hosts" entry was found as "hosts: files dns" on nodes: rhel6

Verifying Daemon "avahi-daemon" not configured and running ...FAILED
Verifying RPM Package Manager database ...INFORMATION
PRVG-11250 : The check "RPM Package Manager database" was not performed because it needs ‘root‘ user privileges.

一个是DNS解析文件的顺序不一致，一个是avahi-daemon没配置。
查看avahi解释：
Avahi允许程序在不需要进行手动网络配置的情况下，在一个本地网络中发布和获知各种服务和主机。例如，当某用户把他的计算机接入到某个局域网时，如果他的机器运行有Avahi服务，则Avahi程式自动广播，从而发现网络中可用的打印机、共享文件和可相互聊天的其他用户，这有点象他正在接收局域网中的各种网络广告一样。
如此看来，可以先忽略；
运行：
./gridSetup.sh
注意：先择网络时选择asm&private,ausize默认为4MB了,其他安装和以前基本相同；
查看安装日志:
tail -30f /data/grid/install/root_rhel7_2019-02-23_13-05-05-377719388.log
查看ohasd日志:

tail -30f  $ORACLE_BASE/diag/crs/rhel7/crs/trace/ohasd.trc
tail -30f  $ORACLE_BASE/diag/crs/rhel7/crs/trace/ohasd_orarootagent_root.trc

10 查看资源状态

[grid@rhel6 bin]$ crsctl stat res -t

Name Target State Server State details

Local Resources

ora.LISTENER.lsnr
ONLINE ONLINE rhel6 STABLE
ONLINE ONLINE rhel7 STABLE
ora.chad
ONLINE ONLINE rhel6 STABLE
ONLINE ONLINE rhel7 STABLE
ora.net1.network
ONLINE ONLINE rhel6 STABLE
ONLINE ONLINE rhel7 STABLE
ora.ons
ONLINE ONLINE rhel6 STABLE
ONLINE ONLINE rhel7 STABLE

Cluster Resources

ora.ASMNET1LSNR_ASM.lsnr(ora.asmgroup)
1 ONLINE ONLINE rhel7 STABLE
2 ONLINE ONLINE rhel6 STABLE
3 OFFLINE OFFLINE STABLE
ora.DATA.dg(ora.asmgroup)
1 ONLINE ONLINE rhel7 STABLE
2 ONLINE ONLINE rhel6 STABLE
3 OFFLINE OFFLINE STABLE
ora.LISTENER_SCAN1.lsnr
1 ONLINE ONLINE rhel7 STABLE
ora.asm(ora.asmgroup)
1 ONLINE ONLINE rhel7 Started,STABLE
2 ONLINE ONLINE rhel6 Started,STABLE
3 OFFLINE OFFLINE STABLE
ora.asmnet1.asmnetwork(ora.asmgroup)
1 ONLINE ONLINE rhel7 STABLE
2 ONLINE ONLINE rhel6 STABLE
3 OFFLINE OFFLINE STABLE
ora.cvu
1 ONLINE ONLINE rhel7 STABLE
ora.qosmserver
1 ONLINE ONLINE rhel7 STABLE
ora.rhel6.vip
1 ONLINE ONLINE rhel6 STABLE
ora.rhel7.vip
1 ONLINE ONLINE rhel7 STABLE
ora.scan1.vip
1 ONLINE ONLINE rhel7 STABLE

在安装过程中检查内存使用情况，其实4GB是可以安装完成grid的。
[grid@rhel6 bin]$ free -m
total        used        free      shared  buff/cache   available
Mem:           3789        1339         386         653        2063        1579
Swap:          2047           0        2047
检查OCR使用量：
ASMCMD&gt; lsdg
State    Type    Rebal  Sector  Logical_Sector  Block       AU  Total_MB  Free_MB  Req_mir_free_MB  Usable_file_MB  Offline_disks  Voting_files  Name
MOUNTED  EXTERN  N         512             512   4096  4194304      5120     4784                0            4784              0             Y  DATA/

原文地址：https://blog.51cto.com/snowhill/2353848

时间： 2024-10-08 14:48:08

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